Merge remote-tracking branch 'armlt/3.3-armlt-gator-5.10' into stable-linux-ux500-3.3ubuntu-release-12-07ubuntu-release-12-06

Conflicts:
	drivers/Kconfig

104 files changed, 20673 insertions, 0 deletions

diff --git a/drivers/Kconfig b/drivers/Kconfig
index 2101dea3534..032188148ad 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -142,5 +142,7 @@ source "drivers/devfreq/Kconfig"
 
 source "drivers/modem/Kconfig"
 
+source "drivers/gator/Kconfig"
+
 endmenu
 
diff --git a/drivers/Makefile b/drivers/Makefile
index 944c0b615e8..52c60243ac8 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -135,3 +135,5 @@ obj-$(CONFIG_VIRT_DRIVERS)	+= virt/
 obj-$(CONFIG_HYPERV)		+= hv/
 
 obj-$(CONFIG_PM_DEVFREQ)	+= devfreq/
+
+obj-$(CONFIG_GATOR)		+= gator/
diff --git a/drivers/gator/Kconfig b/drivers/gator/Kconfig
new file mode 100644
index 00000000000..14b3d619d18
--- /dev/null
+++ b/drivers/gator/Kconfig
@@ -0,0 +1,33 @@
+config GATOR
+	tristate "Gator module for ARM's Streamline Performance Analyzer"
+	default m
+	depends on PROFILING
+	depends on HIGH_RES_TIMERS
+	depends on LOCAL_TIMERS || !(ARM && SMP)
+	select TRACING
+
+config GATOR_WITH_MALI_SUPPORT
+	bool
+
+choice
+	prompt "Enable Mali GPU support in Gator"
+	depends on GATOR
+	optional
+
+config GATOR_MALI_400MP
+	bool "Mali-400MP"
+	select GATOR_WITH_MALI_SUPPORT
+
+config GATOR_MALI_T6XX
+	bool "Mali-T604 or Mali-T658"
+	select GATOR_WITH_MALI_SUPPORT
+
+endchoice
+
+config GATOR_MALI_PATH
+	string "Path to Mali driver"
+	depends on GATOR_WITH_MALI_SUPPORT
+	default "drivers/gpu/arm/mali400mp"
+	help
+	  The gator code adds this to its include path so it can get the Mali
+	  trace headers with: #include "linux/mali_linux_trace.h"
diff --git a/drivers/gator/LICENSE b/drivers/gator/LICENSE
new file mode 100644
index 00000000000..d159169d105
--- /dev/null
+++ b/drivers/gator/LICENSE
@@ -0,0 +1,339 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Lesser General Public License instead.)  You can apply it to
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+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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+
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+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
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+    but WITHOUT ANY WARRANTY; without even the implied warranty of
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+    You should have received a copy of the GNU General Public License along
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+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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+
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+    Gnomovision version 69, Copyright (C) year name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
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+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.
diff --git a/drivers/gator/Makefile b/drivers/gator/Makefile
new file mode 100644
index 00000000000..5f4ab48452e
--- /dev/null
+++ b/drivers/gator/Makefile
@@ -0,0 +1,59 @@
+ifneq ($(KERNELRELEASE),)
+
+# Uncomment the following line to enable kernel stack unwinding within gator, or update gator_backtrace.c
+# EXTRA_CFLAGS +=	-DGATOR_KERNEL_STACK_UNWINDING
+
+obj-$(CONFIG_GATOR) := gator.o
+
+gator-y :=	gator_main.o \
+		gator_events_irq.o \
+		gator_events_sched.o \
+		gator_events_net.o \
+		gator_events_block.o \
+		gator_events_meminfo.o \
+		gator_events_perf_pmu.o
+
+gator-y +=	gator_events_mmaped.o
+
+ifeq ($(CONFIG_GATOR_WITH_MALI_SUPPORT),y)
+
+ifeq ($(CONFIG_GATOR_MALI_T6XX),y)
+gator-y +=	gator_events_mali_t6xx.o
+else
+gator-y +=	gator_events_mali.o
+endif
+
+ccflags-y += -I$(CONFIG_GATOR_MALI_PATH)
+ccflags-$(CONFIG_GATOR_MALI_400MP) += -DMALI_SUPPORT=MALI_400
+ccflags-$(CONFIG_GATOR_MALI_T6XX) += -DMALI_SUPPORT=MALI_T6xx
+endif
+
+gator-$(CONFIG_ARM) +=	gator_events_armv6.o \
+			gator_events_armv7.o \
+			gator_events_l2c-310.o \
+			gator_events_scorpion.o
+
+$(obj)/gator_main.o: gator_events.h
+
+clean-files := gator_events.h
+
+       chk_events.h = :
+ quiet_chk_events.h = echo '  CHK     $@'
+silent_chk_events.h = :
+gator_events.h: FORCE
+	@$($(quiet)chk_events.h)
+	$(Q)cd $(srctree)/$(src) ; $(CONFIG_SHELL) gator_events.sh $(objtree)/$(obj)/$@
+
+else
+
+all:
+	@echo
+	@echo "usage:"
+	@echo "      make -C <kernel_build_dir> M=\`pwd\` ARCH=arm CROSS_COMPILE=<...> modules"
+	@echo
+	$(error)
+
+clean:
+	rm -f *.o .*.cmd gator_events.h modules.order Module.symvers gator.ko gator.mod.c
+
+endif
diff --git a/drivers/gator/gator.h b/drivers/gator/gator.h
new file mode 100644
index 00000000000..6b961099531
--- /dev/null
+++ b/drivers/gator/gator.h
@@ -0,0 +1,100 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef GATOR_H_
+#define GATOR_H_
+
+#include <linux/version.h>
+#include <linux/fs.h>
+#include <linux/mm.h>
+#include <linux/list.h>
+
+#define GATOR_PERF_SUPPORT		LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)
+#define GATOR_PERF_PMU_SUPPORT  GATOR_PERF_SUPPORT && defined(CONFIG_PERF_EVENTS) && defined(CONFIG_HW_PERF_EVENTS)
+#define GATOR_NO_PERF_SUPPORT   (!(GATOR_PERF_SUPPORT))
+#define GATOR_CPU_FREQ_SUPPORT  (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38)) && defined(CONFIG_CPU_FREQ)
+
+// cpu ids
+#define ARM1136		0xb36
+#define ARM1156		0xb56
+#define ARM1176		0xb76
+#define ARM11MPCORE 0xb02
+#define CORTEX_A5	0xc05
+#define CORTEX_A7	0xc07
+#define CORTEX_A8	0xc08
+#define CORTEX_A9	0xc09
+#define CORTEX_A15	0xc0f
+#define SCORPION	0x00f
+#define SCORPIONMP	0x02d
+#define KRAITSIM	0x049
+#define KRAIT       0x04d
+
+/******************************************************************************
+ * Filesystem
+ ******************************************************************************/
+int gatorfs_create_file_perm(struct super_block *sb, struct dentry *root,
+	char const *name, const struct file_operations *fops, int perm);
+
+struct dentry *gatorfs_mkdir(struct super_block *sb,
+	struct dentry *root, char const *name);
+
+int gatorfs_create_ulong(struct super_block *sb, struct dentry *root,
+	char const *name, unsigned long *val);
+
+int gatorfs_create_ro_ulong(struct super_block *sb, struct dentry *root,
+	char const *name, unsigned long *val);
+
+void gator_op_create_files(struct super_block *sb, struct dentry *root);
+
+/******************************************************************************
+ * Tracepoints
+ ******************************************************************************/
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 32)
+#	error Kernels prior to 2.6.32 not supported
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
+#	define GATOR_DEFINE_PROBE(probe_name, proto) \
+		static void probe_##probe_name(PARAMS(proto))
+#	define GATOR_REGISTER_TRACE(probe_name) \
+		register_trace_##probe_name(probe_##probe_name)
+#	define GATOR_UNREGISTER_TRACE(probe_name) \
+		unregister_trace_##probe_name(probe_##probe_name)
+#else
+#	define GATOR_DEFINE_PROBE(probe_name, proto) \
+		static void probe_##probe_name(void *data, PARAMS(proto))
+#	define GATOR_REGISTER_TRACE(probe_name) \
+		register_trace_##probe_name(probe_##probe_name, NULL)
+#	define GATOR_UNREGISTER_TRACE(probe_name) \
+		unregister_trace_##probe_name(probe_##probe_name, NULL)
+#endif
+
+/******************************************************************************
+ * Events
+ ******************************************************************************/
+struct gator_interface {
+	int  (*create_files)(struct super_block *sb, struct dentry *root);
+	int  (*start)(void);
+	void (*stop)(void);
+	int  (*online)(int** buffer);
+	int  (*offline)(int** buffer);
+	void  (*online_dispatch)(int cpu);  // called in process context but may not be running on core 'cpu'
+	void  (*offline_dispatch)(int cpu); // called in process context but may not be running on core 'cpu'
+	int  (*read)(int **buffer);
+	int  (*read64)(long long **buffer);
+	struct list_head list;
+};
+
+// gator_events_init is used as a search term in gator_events.sh
+#define gator_events_init(initfn) \
+	static inline int __gator_events_init_test(void) \
+	{ return initfn(); }
+
+int gator_events_install(struct gator_interface *interface);
+int gator_events_get_key(void);
+extern u32 gator_cpuid(void);
+
+#endif // GATOR_H_
diff --git a/drivers/gator/gator_annotate.c b/drivers/gator/gator_annotate.c
new file mode 100644
index 00000000000..b2288b3ad81
--- /dev/null
+++ b/drivers/gator/gator_annotate.c
@@ -0,0 +1,149 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/slab.h>
+#include <linux/fs.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <asm/uaccess.h>
+#include <asm/current.h>
+#include <linux/spinlock.h>
+
+static DEFINE_SPINLOCK(annotate_lock);
+static bool collect_annotations = false;
+
+static int annotate_copy(struct file *file, char const __user *buf, size_t count)
+{
+	int cpu = 0;
+	int write = per_cpu(gator_buffer_write, cpu)[ANNOTATE_BUF];
+
+	if (file == NULL) {
+		// copy from kernel
+		memcpy(&per_cpu(gator_buffer, cpu)[ANNOTATE_BUF][write], buf, count);
+	} else {
+		// copy from user space
+		if (copy_from_user(&per_cpu(gator_buffer, cpu)[ANNOTATE_BUF][write], buf, count) != 0)
+			return -1;
+	}
+	per_cpu(gator_buffer_write, cpu)[ANNOTATE_BUF] = (write + count) & gator_buffer_mask[ANNOTATE_BUF];
+
+	return 0;
+}
+
+static ssize_t annotate_write(struct file *file, char const __user *buf, size_t count_orig, loff_t *offset)
+{
+	int tid, cpu, header_size, available, contiguous, length1, length2, size, count = count_orig & 0x7fffffff;
+
+	if (*offset)
+		return -EINVAL;
+
+	if (!collect_annotations) {
+		return count_orig;
+	}
+
+	cpu = 0; // Annotation only uses a single per-cpu buffer as the data must be in order to the engine
+
+	if (file == NULL) {
+		tid = -1; // set the thread id to the kernel thread
+	} else {
+		tid = current->pid;
+	}
+
+	// synchronize between cores
+	spin_lock(&annotate_lock);
+
+	// determine total size of the payload
+	header_size = MAXSIZE_PACK32 * 3 + MAXSIZE_PACK64;
+	available = buffer_bytes_available(cpu, ANNOTATE_BUF) - header_size;
+	size = count < available ? count : available;
+
+	if (size <= 0) {
+		size = 0;
+		goto annotate_write_out;
+	}
+
+	// synchronize shared variables annotateBuf and annotatePos
+	if (collect_annotations && per_cpu(gator_buffer, cpu)[ANNOTATE_BUF]) {
+		gator_buffer_write_packed_int(cpu, ANNOTATE_BUF, smp_processor_id());
+		gator_buffer_write_packed_int(cpu, ANNOTATE_BUF, tid);
+		gator_buffer_write_packed_int64(cpu, ANNOTATE_BUF, gator_get_time());
+		gator_buffer_write_packed_int(cpu, ANNOTATE_BUF, size);
+
+		// determine the sizes to capture, length1 + length2 will equal size
+		contiguous = contiguous_space_available(cpu, ANNOTATE_BUF);
+		if (size < contiguous) {
+			length1 = size;
+			length2 = 0;
+		} else {
+			length1 = contiguous;
+			length2 = size - contiguous;
+		}
+
+		if (annotate_copy(file, buf, length1) != 0) {
+			size = -EINVAL;
+			goto annotate_write_out;
+		}
+
+		if (length2 > 0 && annotate_copy(file, &buf[length1], length2) != 0) {
+			size = -EINVAL;
+			goto annotate_write_out;
+		}
+
+		// Check and commit; commit is set to occur once buffer is 3/4 full
+		buffer_check(cpu, ANNOTATE_BUF);
+	}
+
+annotate_write_out:
+	spin_unlock(&annotate_lock);
+
+	// return the number of bytes written
+	return size;
+}
+
+#include "gator_annotate_kernel.c"
+
+static int annotate_release(struct inode *inode, struct file *file)
+{
+	int cpu = 0;
+
+	// synchronize between cores
+	spin_lock(&annotate_lock);
+
+	if (per_cpu(gator_buffer, cpu)[ANNOTATE_BUF] && buffer_check_space(cpu, ANNOTATE_BUF, MAXSIZE_PACK64 + 2 * MAXSIZE_PACK32)) {
+		uint32_t tid = current->pid;
+		gator_buffer_write_packed_int(cpu, ANNOTATE_BUF, tid);
+		gator_buffer_write_packed_int64(cpu, ANNOTATE_BUF, 0); // time
+		gator_buffer_write_packed_int(cpu, ANNOTATE_BUF, 0);   // size
+	}
+
+	spin_unlock(&annotate_lock);
+
+	return 0;
+}
+
+static const struct file_operations annotate_fops = {
+	.write		= annotate_write,
+	.release	= annotate_release
+};
+
+static int gator_annotate_create_files(struct super_block *sb, struct dentry *root)
+{
+	return gatorfs_create_file_perm(sb, root, "annotate", &annotate_fops, 0666);
+}
+
+static int gator_annotate_start(void)
+{
+	collect_annotations = true;
+	return 0;
+}
+
+static void gator_annotate_stop(void)
+{
+	collect_annotations = false;
+}
diff --git a/drivers/gator/gator_annotate_kernel.c b/drivers/gator/gator_annotate_kernel.c
new file mode 100755
index 00000000000..ffab08795b7
--- /dev/null
+++ b/drivers/gator/gator_annotate_kernel.c
@@ -0,0 +1,90 @@
+/**
+ * Copyright (C) ARM Limited 2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+static void kannotate_write(char* ptr, unsigned int size)
+{
+	int retval;
+	int pos = 0;
+	loff_t offset = 0;
+	while (pos < size) {
+		 retval = annotate_write(NULL, &ptr[pos], size - pos, &offset);
+		 if (retval < 0) {
+			 printk(KERN_WARNING "gator: kannotate_write failed with return value %d\n", retval);
+			 return;
+		 }
+		 pos += retval;
+	}
+}
+
+// String annotation
+void gator_annotate(char* string)
+{
+	kannotate_write(string, strlen(string) + 1);
+}
+EXPORT_SYMBOL(gator_annotate);
+
+// String annotation with color
+void gator_annotate_color(int color, char* string)
+{
+	kannotate_write((char*)&color, sizeof(color));
+	kannotate_write(string, strlen(string) + 1);
+}
+EXPORT_SYMBOL(gator_annotate_color);
+
+// Terminate an annotation
+void gator_annotate_end(void)
+{
+	char nul = 0;
+	kannotate_write(&nul, sizeof(nul));
+}
+EXPORT_SYMBOL(gator_annotate_end);
+
+// Image annotation with optional string
+void gator_annotate_visual(char* data, unsigned int length, char* string)
+{
+	long long visual_annotation = 0x011c | (strlen(string) << 16) | ((long long)length << 32);
+	kannotate_write((char*)&visual_annotation, 8);
+	kannotate_write(string, strlen(string));
+	kannotate_write(data, length);
+}
+EXPORT_SYMBOL(gator_annotate_visual);
+
+// Marker annotation
+void gator_annotate_marker(void)
+{
+	int marker_annotation = 0x00021c;
+	kannotate_write((char*)&marker_annotation, 3);
+}
+EXPORT_SYMBOL(gator_annotate_marker);
+
+// Marker annotation with a string
+void gator_annotate_marker_str(char* string)
+{
+	int marker_annotation = 0x021c;
+	kannotate_write((char*)&marker_annotation, 2);
+	kannotate_write(string, strlen(string) + 1);
+}
+EXPORT_SYMBOL(gator_annotate_marker_str);
+
+// Marker annotation with a color
+void gator_annotate_marker_color(int color)
+{
+	long long marker_annotation = (0x021c | ((long long)color << 16)) & 0x0000ffffffffffffLL;
+	kannotate_write((char*)&marker_annotation, 7);
+}
+EXPORT_SYMBOL(gator_annotate_marker_color);
+
+// Marker annotationw ith a string and color
+void gator_annotate_marker_color_str(int color, char* string)
+{
+	long long marker_annotation = 0x021c | ((long long)color << 16);
+	kannotate_write((char*)&marker_annotation, 6);
+	kannotate_write(string, strlen(string) + 1);
+}
+EXPORT_SYMBOL(gator_annotate_marker_color_str);
diff --git a/drivers/gator/gator_backtrace.c b/drivers/gator/gator_backtrace.c
new file mode 100644
index 00000000000..50783d69594
--- /dev/null
+++ b/drivers/gator/gator_backtrace.c
@@ -0,0 +1,114 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+/*
+ * EABI backtrace stores {fp,lr} on the stack.
+ */
+struct frame_tail_eabi {
+	unsigned long fp; // points to prev_lr
+	unsigned long lr;
+};
+
+static void arm_backtrace_eabi(int cpu, int buftype, struct pt_regs * const regs, unsigned int depth)
+{
+#if defined(__arm__)
+	struct frame_tail_eabi *tail;
+	struct frame_tail_eabi *next;
+	struct frame_tail_eabi *ptrtail;
+	struct frame_tail_eabi buftail;
+	unsigned long fp = regs->ARM_fp;
+	unsigned long sp = regs->ARM_sp;
+	unsigned long lr = regs->ARM_lr;
+	int is_user_mode = user_mode(regs);
+
+	if (!is_user_mode) {
+		return;
+	}
+
+	/* entry preamble may not have executed */
+	gator_add_trace(cpu, buftype, lr);
+
+	/* check tail is valid */
+	if (fp == 0 || fp < sp) {
+		return;
+	}
+
+	tail = (struct frame_tail_eabi *)(fp - 4);
+
+	while (depth-- && tail && !((unsigned long) tail & 3)) {
+		/* Also check accessibility of one struct frame_tail beyond */
+		if (!access_ok(VERIFY_READ, tail, sizeof(struct frame_tail_eabi)))
+			return;
+		if (__copy_from_user_inatomic(&buftail, tail, sizeof(struct frame_tail_eabi)))
+			return;
+		ptrtail = &buftail;
+
+		lr = ptrtail[0].lr;
+		gator_add_trace(cpu, buftype, lr);
+
+		/* frame pointers should progress back up the stack, towards higher addresses */
+		next = (struct frame_tail_eabi *)(lr - 4);
+		if (tail >= next || lr == 0) {
+			fp = ptrtail[0].fp;
+			next = (struct frame_tail_eabi *)(fp - 4);
+			/* check tail is valid */
+			if (tail >= next || fp == 0) {
+				return;
+			}
+		}
+
+		tail = next;
+	}
+#endif
+}
+
+#if defined(__arm__)
+static DEFINE_PER_CPU(int, backtrace_buffer);
+static int report_trace(struct stackframe *frame, void *d)
+{
+	struct module *mod;
+	unsigned int *depth = d, addr = frame->pc, cookie = NO_COOKIE, cpu = smp_processor_id();
+
+	if (*depth) {
+		mod = __module_address(addr);
+		if (mod) {
+			cookie = get_cookie(cpu, per_cpu(backtrace_buffer, cpu), current, NULL, mod, true);
+			addr = addr - (unsigned long)mod->module_core;
+		}
+		marshal_backtrace(addr & ~1, cookie);
+		(*depth)--;
+	}
+
+	return *depth == 0;
+}
+#endif
+
+// Uncomment the following line to enable kernel stack unwinding within gator, note it can also be defined from the Makefile
+// #define GATOR_KERNEL_STACK_UNWINDING
+static void kernel_backtrace(int cpu, int buftype, struct pt_regs * const regs)
+{
+#if defined(__arm__)
+#ifdef GATOR_KERNEL_STACK_UNWINDING
+	int depth = gator_backtrace_depth;
+#else
+	int depth = 1;
+#endif
+	struct stackframe frame;
+	if (depth == 0)
+		depth = 1;
+	frame.fp = regs->ARM_fp;
+	frame.sp = regs->ARM_sp;
+	frame.lr = regs->ARM_lr;
+	frame.pc = regs->ARM_pc;
+	per_cpu(backtrace_buffer, cpu) = buftype;
+	walk_stackframe(&frame, report_trace, &depth);
+#else
+	marshal_backtrace(PC_REG & ~1, NO_COOKIE);
+#endif
+}
diff --git a/drivers/gator/gator_cookies.c b/drivers/gator/gator_cookies.c
new file mode 100644
index 00000000000..7b5091696bf
--- /dev/null
+++ b/drivers/gator/gator_cookies.c
@@ -0,0 +1,401 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#define COOKIEMAP_ENTRIES	1024		/* must be power of 2 */
+#define TRANSLATE_SIZE		256
+#define MAX_COLLISIONS		2
+
+static uint32_t *gator_crc32_table;
+static uint32_t translate_buffer_mask;
+
+static DEFINE_PER_CPU(char *, translate_text);
+static DEFINE_PER_CPU(uint32_t, cookie_next_key);
+static DEFINE_PER_CPU(uint64_t *, cookie_keys);
+static DEFINE_PER_CPU(uint32_t *, cookie_values);
+static DEFINE_PER_CPU(int, translate_buffer_read);
+static DEFINE_PER_CPU(int, translate_buffer_write);
+static DEFINE_PER_CPU(unsigned int *, translate_buffer);
+
+static inline uint32_t get_cookie(int cpu, int buftype, struct task_struct *task, struct vm_area_struct *vma, struct module *mod, bool in_interrupt);
+static void wq_cookie_handler(struct work_struct *unused);
+DECLARE_WORK(cookie_work, wq_cookie_handler);
+
+static uint32_t cookiemap_code(uint64_t value64) {
+	uint32_t value = (uint32_t)((value64 >> 32) + value64);
+	uint32_t cookiecode = (value >> 24) & 0xff;
+	cookiecode = cookiecode * 31 + ((value >> 16) & 0xff);
+	cookiecode = cookiecode * 31 + ((value >> 8) & 0xff);
+	cookiecode = cookiecode * 31 + ((value >> 0) & 0xff);
+	cookiecode &= (COOKIEMAP_ENTRIES-1);
+	return cookiecode * MAX_COLLISIONS;
+}
+
+static uint32_t gator_chksum_crc32(char *data)
+{
+   register unsigned long crc;
+   unsigned char *block = data;
+   int i, length = strlen(data);
+
+   crc = 0xFFFFFFFF;
+   for (i = 0; i < length; i++) {
+      crc = ((crc >> 8) & 0x00FFFFFF) ^ gator_crc32_table[(crc ^ *block++) & 0xFF];
+   }
+
+   return (crc ^ 0xFFFFFFFF);
+}
+
+/*
+ * Exists
+ *  Pre:  [0][1][v][3]..[n-1]
+ *  Post: [v][0][1][3]..[n-1]
+ */
+static uint32_t cookiemap_exists(uint64_t key) {
+	unsigned long x, flags, retval = 0;
+	int cpu = smp_processor_id();
+	uint32_t cookiecode = cookiemap_code(key);
+	uint64_t *keys = &(per_cpu(cookie_keys, cpu)[cookiecode]);
+	uint32_t *values = &(per_cpu(cookie_values, cpu)[cookiecode]);
+
+	// Can be called from interrupt handler or from work queue
+	local_irq_save(flags);
+	for (x = 0; x < MAX_COLLISIONS; x++) {
+		if (keys[x] == key) {
+			uint32_t value = values[x];
+			for (; x > 0; x--) {
+				keys[x] = keys[x-1];
+				values[x] = values[x-1];
+			}
+			keys[0] = key;
+			values[0] = value;
+			retval = value;
+			break;
+		}
+	}
+	local_irq_restore(flags);
+
+	return retval;
+}
+
+/*
+ * Add
+ *  Pre:  [0][1][2][3]..[n-1]
+ *  Post: [v][0][1][2]..[n-2]
+ */
+static void cookiemap_add(uint64_t key, uint32_t value) {
+	int cpu = smp_processor_id();
+	int cookiecode = cookiemap_code(key);
+	uint64_t *keys = &(per_cpu(cookie_keys, cpu)[cookiecode]);
+	uint32_t *values = &(per_cpu(cookie_values, cpu)[cookiecode]);
+	int x;
+
+	for (x = MAX_COLLISIONS-1; x > 0; x--) {
+		keys[x] = keys[x-1];
+		values[x] = values[x-1];
+	}
+	keys[0] = key;
+	values[0] = value;
+}
+
+static void translate_buffer_write_int(int cpu, unsigned int x)
+{
+	per_cpu(translate_buffer, cpu)[per_cpu(translate_buffer_write, cpu)++] = x;
+	per_cpu(translate_buffer_write, cpu) &= translate_buffer_mask;
+}
+
+static unsigned int translate_buffer_read_int(int cpu)
+{
+	unsigned int value = per_cpu(translate_buffer, cpu)[per_cpu(translate_buffer_read, cpu)++];
+	per_cpu(translate_buffer_read, cpu) &= translate_buffer_mask;
+	return value;
+}
+
+static void wq_cookie_handler(struct work_struct *unused)
+{
+	struct task_struct *task;
+	struct vm_area_struct *vma;
+	int cpu = smp_processor_id();
+	unsigned int cookie, commit;
+
+	mutex_lock(&start_mutex);
+
+	if (gator_started != 0) {
+		commit = per_cpu(translate_buffer_write, cpu);
+		while (per_cpu(translate_buffer_read, cpu) != commit) {
+			task = (struct task_struct *)translate_buffer_read_int(cpu);
+			vma = (struct vm_area_struct *)translate_buffer_read_int(cpu);
+			cookie = get_cookie(cpu, BACKTRACE_BUF, task, vma, NULL, false);
+		}
+	}
+
+	mutex_unlock(&start_mutex);
+}
+
+// Retrieve full name from proc/pid/cmdline for java processes on Android
+static int translate_app_process(char** text, int cpu, struct task_struct * task, struct vm_area_struct *vma, bool in_interrupt)
+{
+	void *maddr;
+	unsigned int len;
+	unsigned long addr;
+	struct mm_struct *mm;
+	struct page *page = NULL;
+	struct vm_area_struct *page_vma;
+	int bytes, offset, retval = 0, ptr;
+	char * buf = per_cpu(translate_text, cpu);
+
+	// Push work into a work queue if in atomic context as the kernel functions below might sleep
+	// Rely on the in_interrupt variable rather than in_irq() or in_interrupt() kernel functions, as the value of these functions seems
+	//   inconsistent during a context switch between android/linux versions
+	if (in_interrupt) {
+		// Check if already in buffer
+		ptr = per_cpu(translate_buffer_read, cpu);
+		while (ptr != per_cpu(translate_buffer_write, cpu)) {
+			if (per_cpu(translate_buffer, cpu)[ptr] == (int)task)
+				goto out;
+			ptr = (ptr + 2) & translate_buffer_mask;
+		}
+
+		translate_buffer_write_int(cpu, (unsigned int)task);
+		translate_buffer_write_int(cpu, (unsigned int)vma);
+		schedule_work(&cookie_work);
+		goto out;
+	}
+
+	mm = get_task_mm(task);
+	if (!mm)
+		goto out;
+	if (!mm->arg_end)
+		goto outmm;
+	addr = mm->arg_start;
+	len = mm->arg_end - mm->arg_start;
+
+	if (len > TRANSLATE_SIZE)
+		len = TRANSLATE_SIZE;
+
+	down_read(&mm->mmap_sem);
+	while (len) {
+		if (get_user_pages(task, mm, addr, 1, 0, 1, &page, &page_vma) <= 0)
+			goto outsem;
+
+		maddr = kmap(page);
+		offset = addr & (PAGE_SIZE-1);
+		bytes = len;
+		if (bytes > PAGE_SIZE - offset)
+			bytes = PAGE_SIZE - offset;
+
+		copy_from_user_page(page_vma, page, addr, buf, maddr + offset, bytes);
+
+		kunmap(page);	// release page allocated by get_user_pages()
+		page_cache_release(page);
+
+		len -= bytes;
+		buf += bytes;
+		addr += bytes;
+
+		*text = per_cpu(translate_text, cpu);
+		retval = 1;
+	}
+
+	// On app_process startup, /proc/pid/cmdline is initially "zygote" then "<pre-initialized>" but changes after an initial startup period
+	if (strcmp(*text, "zygote") == 0 || strcmp(*text, "<pre-initialized>") == 0)
+		retval = 0;
+
+outsem:
+	up_read(&mm->mmap_sem);
+outmm:
+	mmput(mm);
+out:
+	return retval;
+}
+
+static inline uint32_t get_cookie(int cpu, int buftype, struct task_struct *task, struct vm_area_struct *vma, struct module *mod, bool in_interrupt)
+{
+	unsigned long flags, cookie;
+	struct path *path;
+	uint64_t key;
+	char *text;
+
+	if (mod) {
+		text = mod->name;
+	} else {
+		if (!vma || !vma->vm_file) {
+			return INVALID_COOKIE;
+		}
+		path = &vma->vm_file->f_path;
+		if (!path || !path->dentry) {
+			return INVALID_COOKIE;
+		}
+
+		text = (char*)path->dentry->d_name.name;
+	}
+
+	key = gator_chksum_crc32(text);
+	key = (key << 32) | (uint32_t)task->tgid;
+
+	cookie = cookiemap_exists(key);
+	if (cookie) {
+		return cookie;
+	}
+
+	if (strcmp(text, "app_process") == 0 && !mod) {
+		if (!translate_app_process(&text, cpu, task, vma, in_interrupt))
+			return INVALID_COOKIE;
+	}
+
+	// Can be called from interrupt handler or from work queue or from scheduler trace
+	local_irq_save(flags);
+
+	cookie = INVALID_COOKIE;
+	if (marshal_cookie_header(text)) {
+		cookie = per_cpu(cookie_next_key, cpu) += nr_cpu_ids;
+		cookiemap_add(key, cookie);
+		marshal_cookie(cookie, text);
+	}
+
+	local_irq_restore(flags);
+
+	return cookie;
+}
+
+static int get_exec_cookie(int cpu, int buftype, struct task_struct *task)
+{
+	unsigned long cookie = NO_COOKIE;
+	struct mm_struct *mm = task->mm;
+	struct vm_area_struct *vma;
+
+	// kernel threads have no address space
+	if (!mm)
+		return cookie;
+
+	for (vma = mm->mmap; vma; vma = vma->vm_next) {
+		if (!vma->vm_file)
+			continue;
+		if (!(vma->vm_flags & VM_EXECUTABLE))
+			continue;
+		cookie = get_cookie(cpu, buftype, task, vma, NULL, true);
+		break;
+	}
+
+	return cookie;
+}
+
+static unsigned long get_address_cookie(int cpu, int buftype, struct task_struct *task, unsigned long addr, off_t *offset)
+{
+	unsigned long cookie = NO_COOKIE;
+	struct mm_struct *mm = task->mm;
+	struct vm_area_struct *vma;
+
+	if (!mm)
+		return cookie;
+
+	for (vma = find_vma(mm, addr); vma; vma = vma->vm_next) {
+		if (addr < vma->vm_start || addr >= vma->vm_end)
+			continue;
+
+		if (vma->vm_file) {
+			cookie = get_cookie(cpu, buftype, task, vma, NULL, true);
+			*offset = (vma->vm_pgoff << PAGE_SHIFT) + addr - vma->vm_start;
+		} else {
+			/* must be an anonymous map */
+			*offset = addr;
+		}
+
+		break;
+	}
+
+	if (!vma)
+		cookie = INVALID_COOKIE;
+
+	return cookie;
+}
+
+static int cookies_initialize(void)
+{
+	uint32_t crc, poly;
+	int i, j, cpu, size, err = 0;
+
+	int translate_buffer_size = 512; // must be a power of 2
+	translate_buffer_mask = translate_buffer_size / sizeof(per_cpu(translate_buffer, 0)[0]) - 1;
+
+	for_each_present_cpu(cpu) {
+		per_cpu(cookie_next_key, cpu) = nr_cpu_ids + cpu;
+
+		size = COOKIEMAP_ENTRIES * MAX_COLLISIONS * sizeof(uint64_t);
+		per_cpu(cookie_keys, cpu) = (uint64_t*)kmalloc(size, GFP_KERNEL);
+		if (!per_cpu(cookie_keys, cpu)) {
+			err = -ENOMEM;
+			goto cookie_setup_error;
+		}
+		memset(per_cpu(cookie_keys, cpu), 0, size);
+
+		size = COOKIEMAP_ENTRIES * MAX_COLLISIONS * sizeof(uint32_t);
+		per_cpu(cookie_values, cpu) = (uint32_t*)kmalloc(size, GFP_KERNEL);
+		if (!per_cpu(cookie_values, cpu)) {
+			err = -ENOMEM;
+			goto cookie_setup_error;
+		}
+		memset(per_cpu(cookie_values, cpu), 0, size);
+
+		per_cpu(translate_buffer, cpu) = (unsigned int *)kmalloc(translate_buffer_size, GFP_KERNEL);
+		if (!per_cpu(translate_buffer, cpu)) {
+			err = -ENOMEM;
+			goto cookie_setup_error;
+		}
+
+		per_cpu(translate_buffer_write, cpu) = 0;
+		per_cpu(translate_buffer_read, cpu) = 0;
+
+		per_cpu(translate_text, cpu) = (char *)kmalloc(TRANSLATE_SIZE, GFP_KERNEL);
+		if (!per_cpu(translate_text, cpu)) {
+			err = -ENOMEM;
+			goto cookie_setup_error;
+		}
+	}
+
+	// build CRC32 table
+	poly = 0x04c11db7;
+	gator_crc32_table = (uint32_t*)kmalloc(256 * sizeof(uint32_t), GFP_KERNEL);
+	for (i = 0; i < 256; i++) {
+		crc = i;
+		for (j = 8; j > 0; j--) {
+			if (crc & 1) {
+				crc = (crc >> 1) ^ poly;
+			} else {
+				crc >>= 1;
+			}
+		}
+		gator_crc32_table[i] = crc;
+	}
+
+cookie_setup_error:
+	return err;
+}
+
+static void cookies_release(void)
+{
+	int cpu;
+
+	for_each_present_cpu(cpu) {
+		kfree(per_cpu(cookie_keys, cpu));
+		per_cpu(cookie_keys, cpu) = NULL;
+
+		kfree(per_cpu(cookie_values, cpu));
+		per_cpu(cookie_values, cpu) = NULL;
+
+		kfree(per_cpu(translate_buffer, cpu));
+		per_cpu(translate_buffer, cpu) = NULL;
+		per_cpu(translate_buffer_read, cpu) = 0;
+		per_cpu(translate_buffer_write, cpu) = 0;
+
+		kfree(per_cpu(translate_text, cpu));
+		per_cpu(translate_text, cpu) = NULL;
+	}
+
+	kfree(gator_crc32_table);
+	gator_crc32_table = NULL;
+}
diff --git a/drivers/gator/gator_ebs.c b/drivers/gator/gator_ebs.c
new file mode 100644
index 00000000000..1208d69fbfd
--- /dev/null
+++ b/drivers/gator/gator_ebs.c
@@ -0,0 +1,158 @@
+/**
+ * Copyright (C) ARM Limited 2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#if defined(__arm__) && (GATOR_PERF_PMU_SUPPORT)
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+
+#include <asm/pmu.h>
+
+static DEFINE_MUTEX(perf_mutex);
+
+extern int pmnc_counters;
+extern int ccnt;
+extern unsigned long pmnc_enabled[];
+extern unsigned long pmnc_event[];
+extern unsigned long pmnc_count[];
+extern unsigned long pmnc_key[];
+
+static DEFINE_PER_CPU(struct perf_event *, pevent);
+static DEFINE_PER_CPU(struct perf_event_attr *, pevent_attr);
+static DEFINE_PER_CPU(int, key);
+static DEFINE_PER_CPU(unsigned int, prev_value);
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 1, 0)
+static void ebs_overflow_handler(struct perf_event *event, int unused, struct perf_sample_data *data, struct pt_regs *regs)
+#else
+static void ebs_overflow_handler(struct perf_event *event, struct perf_sample_data *data, struct pt_regs *regs)
+#endif
+{
+	int cpu = smp_processor_id();
+
+	if (event != per_cpu(pevent, cpu))
+		return;
+
+	// Output backtrace
+	gator_add_sample(cpu, BACKTRACE_BUF, regs);
+
+	// Collect counters
+	collect_counters();
+}
+
+static void gator_event_sampling_online_dispatch(int cpu)
+{
+	struct perf_event * ev;
+
+	if (!event_based_sampling)
+		return;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 1, 0)
+	ev = per_cpu(pevent, cpu) = perf_event_create_kernel_counter(per_cpu(pevent_attr, cpu), cpu, 0, ebs_overflow_handler);
+#else
+	ev = per_cpu(pevent, cpu) = perf_event_create_kernel_counter(per_cpu(pevent_attr, cpu), cpu, 0, ebs_overflow_handler, 0);
+#endif
+
+	if (IS_ERR(ev)) {
+		pr_err("gator: unable to start event-based-sampling");
+		return;
+	}
+
+	if (ev->state != PERF_EVENT_STATE_ACTIVE) {
+		pr_err("gator: unable to start event-based-sampling");
+		perf_event_release_kernel(ev);
+		return;
+	}
+
+	ev->pmu->read(ev);
+	per_cpu(prev_value, cpu) = local64_read(&ev->count);
+}
+
+static void gator_event_sampling_offline_dispatch(int cpu)
+{
+	struct perf_event * pe = NULL;
+
+	mutex_lock(&perf_mutex);
+	if (per_cpu(pevent, cpu)) {
+		pe = per_cpu(pevent, cpu);
+		per_cpu(pevent, cpu) = NULL;
+	}
+	mutex_unlock(&perf_mutex);
+
+	if (pe) {
+		perf_event_release_kernel(pe);
+	}
+}
+
+static int gator_event_sampling_start(void)
+{
+	int cnt, event = 0, count = 0, ebs_key = 0, cpu;
+
+	for_each_present_cpu(cpu) {
+		per_cpu(pevent, cpu) = NULL;
+		per_cpu(pevent_attr, cpu) = NULL;
+	}
+
+	event_based_sampling = false;
+	for (cnt = 0; cnt < pmnc_counters; cnt++) {
+		if (pmnc_count[cnt] > 0) {
+			event_based_sampling = true;
+			event = pmnc_event[cnt];
+			count = pmnc_count[cnt];
+			ebs_key = pmnc_key[cnt];
+			break;
+		}
+	}
+
+	if (!event_based_sampling)
+		return 0;
+
+	for_each_present_cpu(cpu) {
+		u32 size = sizeof(struct perf_event_attr);
+		per_cpu(pevent_attr, cpu) = kmalloc(size, GFP_KERNEL);
+		if (!per_cpu(pevent_attr, cpu))
+			return -1;
+
+		memset(per_cpu(pevent_attr, cpu), 0, size);
+		per_cpu(pevent_attr, cpu)->type = PERF_TYPE_RAW;
+		per_cpu(pevent_attr, cpu)->size = size;
+		per_cpu(pevent_attr, cpu)->config = event;
+		per_cpu(pevent_attr, cpu)->sample_period = count;
+		per_cpu(pevent_attr, cpu)->pinned = 1;
+
+		// handle special case for ccnt
+		if (cnt == ccnt) {
+			per_cpu(pevent_attr, cpu)->type = PERF_TYPE_HARDWARE;
+			per_cpu(pevent_attr, cpu)->config = PERF_COUNT_HW_CPU_CYCLES;
+		}
+
+		per_cpu(key, cpu) = ebs_key;
+	}
+
+	return 0;
+}
+
+static void gator_event_sampling_stop(void)
+{
+	int cpu;
+
+	for_each_present_cpu(cpu) {
+		if (per_cpu(pevent_attr, cpu)) {
+			kfree(per_cpu(pevent_attr, cpu));
+			per_cpu(pevent_attr, cpu) = NULL;
+		}
+	}
+}
+
+#else
+static void gator_event_sampling_online_dispatch(int cpu) {}
+static void gator_event_sampling_offline_dispatch(int cpu) {}
+static int gator_event_sampling_start(void) {return 0;}
+static void gator_event_sampling_stop(void) {}
+#endif
diff --git a/drivers/gator/gator_events.sh b/drivers/gator/gator_events.sh
new file mode 100755
index 00000000000..5467dd6d17d
--- /dev/null
+++ b/drivers/gator/gator_events.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+EVENTS=`grep gator_events_init *.c | sed 's/.\+gator_events_init(\(.\+\)).\+/\1/'`
+
+(
+	echo /\* This file is auto generated \*/
+	echo
+	for EVENT in $EVENTS; do
+		echo __weak int $EVENT\(void\)\;
+	done
+	echo
+	echo static int \(*gator_events_list[]\)\(void\) = {
+	for EVENT in $EVENTS; do
+		echo \	$EVENT,
+	done
+	echo }\;
+) > $1.tmp
+
+cmp -s $1 $1.tmp && rm $1.tmp || mv $1.tmp $1
diff --git a/drivers/gator/gator_events_armv6.c b/drivers/gator/gator_events_armv6.c
new file mode 100644
index 00000000000..5f989ba4e86
--- /dev/null
+++ b/drivers/gator/gator_events_armv6.c
@@ -0,0 +1,244 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "gator.h"
+
+// gator_events_perf_pmu.c is used if perf is supported
+#if GATOR_NO_PERF_SUPPORT
+
+static const char *pmnc_name;
+
+/*
+ * Per-CPU PMCR
+ */
+#define PMCR_E			(1 << 0)	/* Enable */
+#define PMCR_P			(1 << 1)	/* Count reset */
+#define PMCR_C			(1 << 2)	/* Cycle counter reset */
+#define PMCR_OFL_PMN0	(1 << 8)	/* Count reg 0 overflow */
+#define PMCR_OFL_PMN1	(1 << 9)	/* Count reg 1 overflow */
+#define PMCR_OFL_CCNT	(1 << 10)	/* Cycle counter overflow */
+
+#define PMN0 0
+#define PMN1 1
+#define CCNT 2
+#define CNTMAX	(CCNT+1)
+
+static int pmnc_counters = 0;
+static unsigned long pmnc_enabled[CNTMAX];
+static unsigned long pmnc_event[CNTMAX];
+static unsigned long pmnc_key[CNTMAX];
+
+static DEFINE_PER_CPU(int[CNTMAX * 2], perfCnt);
+
+static inline void armv6_pmnc_write(u32 val)
+{
+	/* upper 4bits and 7, 11 are write-as-0 */
+	val &= 0x0ffff77f;
+	asm volatile("mcr p15, 0, %0, c15, c12, 0" : : "r" (val));
+}
+
+static inline u32 armv6_pmnc_read(void)
+{
+	u32 val;
+	asm volatile("mrc p15, 0, %0, c15, c12, 0" : "=r" (val));
+	return val;
+}
+
+static void armv6_pmnc_reset_counter(unsigned int cnt)
+{
+	u32 val = 0;
+	switch (cnt) {
+	case CCNT:
+		asm volatile("mcr p15, 0, %0, c15, c12, 1" : : "r" (val));
+		break;
+	case PMN0:
+		asm volatile("mcr p15, 0, %0, c15, c12, 2" : : "r" (val));
+		break;
+	case PMN1:
+		asm volatile("mcr p15, 0, %0, c15, c12, 3" : : "r" (val));
+		break;
+	}
+}
+
+int gator_events_armv6_create_files(struct super_block *sb, struct dentry *root)
+{
+	struct dentry *dir;
+	int i;
+
+	pmnc_counters = 3;
+
+	for (i = PMN0; i <= CCNT; i++) {
+		char buf[40];
+		if (i == CCNT) {
+			snprintf(buf, sizeof buf, "ARM_%s_ccnt", pmnc_name);
+		} else {
+			snprintf(buf, sizeof buf, "ARM_%s_cnt%d", pmnc_name, i);
+		}
+		dir = gatorfs_mkdir(sb, root, buf);
+		if (!dir) {
+			return -1;
+		}
+		gatorfs_create_ulong(sb, dir, "enabled", &pmnc_enabled[i]);
+		gatorfs_create_ro_ulong(sb, dir, "key", &pmnc_key[i]);
+		if (i != CCNT) {
+			gatorfs_create_ulong(sb, dir, "event", &pmnc_event[i]);
+		}
+	}
+
+	return 0;
+}
+
+static int gator_events_armv6_online(int** buffer)
+{
+	unsigned int cnt, len = 0, cpu = smp_processor_id();
+	u32 pmnc;
+
+	if (armv6_pmnc_read() & PMCR_E) {
+		armv6_pmnc_write(armv6_pmnc_read() & ~PMCR_E);
+	}
+
+	/* initialize PMNC, reset overflow, D bit, C bit and P bit. */
+	armv6_pmnc_write(PMCR_OFL_PMN0 | PMCR_OFL_PMN1 | PMCR_OFL_CCNT |
+			PMCR_C | PMCR_P);
+
+	/* configure control register */
+	for (pmnc = 0, cnt = PMN0; cnt <= CCNT; cnt++) {
+		unsigned long event;
+
+		if (!pmnc_enabled[cnt])
+			continue;
+
+		event = pmnc_event[cnt] & 255;
+
+		// Set event (if destined for PMNx counters)
+		if (cnt == PMN0) {
+			pmnc |= event << 20;
+		} else if (cnt == PMN1) {
+			pmnc |= event << 12;
+		}
+
+		// Reset counter
+		armv6_pmnc_reset_counter(cnt);
+	}
+	armv6_pmnc_write(pmnc | PMCR_E);
+
+	// return zero values, no need to read as the counters were just reset
+	for (cnt = PMN0; cnt <= CCNT; cnt++) {
+		if (pmnc_enabled[cnt]) {
+			per_cpu(perfCnt, cpu)[len++] = pmnc_key[cnt];
+			per_cpu(perfCnt, cpu)[len++] = 0;
+		}
+	}
+
+	if (buffer)
+		*buffer = per_cpu(perfCnt, cpu);
+
+	return len;
+}
+
+static int gator_events_armv6_offline(int** buffer)
+{
+	unsigned int cnt;
+
+	armv6_pmnc_write(armv6_pmnc_read() & ~PMCR_E);
+	for (cnt = PMN0; cnt <= CCNT; cnt++) {
+		armv6_pmnc_reset_counter(cnt);
+	}
+
+	return 0;
+}
+
+static void gator_events_armv6_stop(void)
+{
+	unsigned int cnt;
+
+	for (cnt = PMN0; cnt <= CCNT; cnt++) {
+		pmnc_enabled[cnt] = 0;
+		pmnc_event[cnt] = 0;
+	}
+}
+
+static int gator_events_armv6_read(int **buffer)
+{
+	int cnt, len = 0;
+	int cpu = smp_processor_id();
+
+	// a context switch may occur before the online hotplug event, thus need to check that the pmu is enabled
+	if (!(armv6_pmnc_read() & PMCR_E)) {
+		return 0;
+	}
+
+	for (cnt = PMN0; cnt <= CCNT; cnt++) {
+		if (pmnc_enabled[cnt]) {
+			u32 value = 0;
+			switch (cnt) {
+			case CCNT:
+				asm volatile("mrc p15, 0, %0, c15, c12, 1" : "=r" (value));
+				break;
+			case PMN0:
+				asm volatile("mrc p15, 0, %0, c15, c12, 2" : "=r" (value));
+				break;
+			case PMN1:
+				asm volatile("mrc p15, 0, %0, c15, c12, 3" : "=r" (value));
+				break;
+			}
+			armv6_pmnc_reset_counter(cnt);
+
+			per_cpu(perfCnt, cpu)[len++] = pmnc_key[cnt];
+			per_cpu(perfCnt, cpu)[len++] = value;
+		}
+	}
+
+	if (buffer)
+		*buffer = per_cpu(perfCnt, cpu);
+
+	return len;
+}
+
+static struct gator_interface gator_events_armv6_interface = {
+	.create_files = gator_events_armv6_create_files,
+	.stop = gator_events_armv6_stop,
+	.online = gator_events_armv6_online,
+	.offline = gator_events_armv6_offline,
+	.read = gator_events_armv6_read,
+};
+
+int gator_events_armv6_init(void)
+{
+	unsigned int cnt;
+
+	switch (gator_cpuid()) {
+	case ARM1136:
+	case ARM1156:
+	case ARM1176:
+		pmnc_name = "ARM11";
+		break;
+	case ARM11MPCORE:
+		pmnc_name = "ARM11MPCore";
+		break;
+	default:
+		return -1;
+	}
+
+	for (cnt = PMN0; cnt <= CCNT; cnt++) {
+		pmnc_enabled[cnt] = 0;
+		pmnc_event[cnt] = 0;
+		pmnc_key[cnt] = gator_events_get_key();
+	}
+
+	return gator_events_install(&gator_events_armv6_interface);
+}
+
+gator_events_init(gator_events_armv6_init);
+
+#else
+int gator_events_armv6_init(void)
+{
+	return -1;
+}
+#endif
diff --git a/drivers/gator/gator_events_armv7.c b/drivers/gator/gator_events_armv7.c
new file mode 100644
index 00000000000..590421d110c
--- /dev/null
+++ b/drivers/gator/gator_events_armv7.c
@@ -0,0 +1,319 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*  Disabling interrupts
+ *    Many of the functions below disable interrupts via local_irq_save(). This disabling of interrupts is done to prevent any race conditions
+ *    between multiple entities (e.g. hrtimer interrupts and event based interrupts) calling the same functions. As accessing the pmu involves
+ *    several steps (disable, select, read, enable), these steps must be performed atomically. Normal synchronization routines cannot be used
+ *    as these functions are being called from interrupt context.
+ */
+
+#include "gator.h"
+
+// gator_events_perf_pmu.c is used if perf is supported
+#if GATOR_NO_PERF_SUPPORT
+
+// Per-CPU PMNC: config reg
+#define PMNC_E		(1 << 0)	/* Enable all counters */
+#define PMNC_P		(1 << 1)	/* Reset all counters */
+#define PMNC_C		(1 << 2)	/* Cycle counter reset */
+#define	PMNC_MASK	0x3f		/* Mask for writable bits */
+
+// ccnt reg
+#define CCNT_REG	(1 << 31)
+
+#define CCNT 		0
+#define CNT0		1
+#define CNTMAX 		(6+1)
+
+static const char *pmnc_name;
+static int pmnc_counters;
+
+static unsigned long pmnc_enabled[CNTMAX];
+static unsigned long pmnc_event[CNTMAX];
+static unsigned long pmnc_key[CNTMAX];
+
+static DEFINE_PER_CPU(int[CNTMAX * 2], perfCnt);
+
+inline void armv7_pmnc_write(u32 val)
+{
+	val &= PMNC_MASK;
+	asm volatile("mcr p15, 0, %0, c9, c12, 0" : : "r" (val));
+}
+
+inline u32 armv7_pmnc_read(void)
+{
+	u32 val;
+	asm volatile("mrc p15, 0, %0, c9, c12, 0" : "=r" (val));
+	return val;
+}
+
+inline u32 armv7_ccnt_read(u32 reset_value)
+{
+	unsigned long flags;
+	u32 newval = -reset_value;
+	u32 den = CCNT_REG;
+	u32 val;
+
+	local_irq_save(flags);
+	asm volatile("mcr p15, 0, %0, c9, c12, 2" : : "r" (den));	// disable
+	asm volatile("mrc p15, 0, %0, c9, c13, 0" : "=r" (val));	// read
+	asm volatile("mcr p15, 0, %0, c9, c13, 0" : : "r" (newval));// new value
+	asm volatile("mcr p15, 0, %0, c9, c12, 1" : : "r" (den));	// enable
+	local_irq_restore(flags);
+
+	return val;
+}
+
+inline u32 armv7_cntn_read(unsigned int cnt, u32 reset_value)
+{
+	unsigned long flags;
+	u32 newval = -reset_value;
+	u32 sel = (cnt - CNT0);
+	u32 den = 1 << sel;
+	u32 oldval;
+
+	local_irq_save(flags);
+	asm volatile("mcr p15, 0, %0, c9, c12, 2" : : "r" (den));	// disable
+	asm volatile("mcr p15, 0, %0, c9, c12, 5" : : "r" (sel));	// select
+	asm volatile("mrc p15, 0, %0, c9, c13, 2" : "=r" (oldval));	// read
+    asm volatile("mcr p15, 0, %0, c9, c13, 2" : : "r" (newval));// new value
+	asm volatile("mcr p15, 0, %0, c9, c12, 1" : : "r" (den));	// enable
+	local_irq_restore(flags);
+
+	return oldval;
+}
+
+static inline void armv7_pmnc_disable_interrupt(unsigned int cnt)
+{
+	u32 val = cnt ? (1 << (cnt - CNT0)) : (1 << 31);
+	asm volatile("mcr p15, 0, %0, c9, c14, 2" : : "r" (val));
+}
+
+inline u32 armv7_pmnc_reset_interrupt(void)
+{
+	// Get and reset overflow status flags
+	u32 flags;
+	asm volatile("mrc p15, 0, %0, c9, c12, 3" : "=r" (flags));
+	flags &= 0x8000003f;
+	asm volatile("mcr p15, 0, %0, c9, c12, 3" : : "r" (flags));
+	return flags;
+}
+
+static inline u32 armv7_pmnc_enable_counter(unsigned int cnt)
+{
+	u32 val = cnt ? (1 << (cnt - CNT0)) : CCNT_REG;
+	asm volatile("mcr p15, 0, %0, c9, c12, 1" : : "r" (val));
+	return cnt;
+}
+
+static inline u32 armv7_pmnc_disable_counter(unsigned int cnt)
+{
+	u32 val = cnt ? (1 << (cnt - CNT0)) : CCNT_REG;
+	asm volatile("mcr p15, 0, %0, c9, c12, 2" : : "r" (val));
+	return cnt;
+}
+
+static inline int armv7_pmnc_select_counter(unsigned int cnt)
+{
+	u32 val = (cnt - CNT0);
+	asm volatile("mcr p15, 0, %0, c9, c12, 5" : : "r" (val));
+	return cnt;
+}
+
+static inline void armv7_pmnc_write_evtsel(unsigned int cnt, u32 val)
+{
+	if (armv7_pmnc_select_counter(cnt) == cnt) {
+		asm volatile("mcr p15, 0, %0, c9, c13, 1" : : "r" (val));
+	}
+}
+
+static int gator_events_armv7_create_files(struct super_block *sb, struct dentry *root)
+{
+	struct dentry *dir;
+	int i;
+
+	for (i = 0; i < pmnc_counters; i++) {
+		char buf[40];
+		if (i == 0) {
+			snprintf(buf, sizeof buf, "ARM_%s_ccnt", pmnc_name);
+		} else {
+			snprintf(buf, sizeof buf, "ARM_%s_cnt%d", pmnc_name, i-1);
+		}
+		dir = gatorfs_mkdir(sb, root, buf);
+		if (!dir) {
+			return -1;
+		}
+		gatorfs_create_ulong(sb, dir, "enabled", &pmnc_enabled[i]);
+		gatorfs_create_ro_ulong(sb, dir, "key", &pmnc_key[i]);
+		if (i > 0) {
+			gatorfs_create_ulong(sb, dir, "event", &pmnc_event[i]);
+		}
+	}
+
+	return 0;
+}
+
+static int gator_events_armv7_online(int** buffer)
+{
+	unsigned int cnt, len = 0, cpu = smp_processor_id();
+
+	if (armv7_pmnc_read() & PMNC_E) {
+		armv7_pmnc_write(armv7_pmnc_read() & ~PMNC_E);
+	}
+
+	// Initialize & Reset PMNC: C bit and P bit
+	armv7_pmnc_write(PMNC_P | PMNC_C);
+
+	// Reset overflow flags
+	armv7_pmnc_reset_interrupt();
+
+	for (cnt = CCNT; cnt < CNTMAX; cnt++) {
+		unsigned long event;
+
+		if (!pmnc_enabled[cnt])
+			continue;
+
+		// Disable counter
+		armv7_pmnc_disable_counter(cnt);
+
+		event = pmnc_event[cnt] & 255;
+
+		// Set event (if destined for PMNx counters), we don't need to set the event if it's a cycle count
+		if (cnt != CCNT)
+			armv7_pmnc_write_evtsel(cnt, event);
+
+		armv7_pmnc_disable_interrupt(cnt);
+
+		// Reset counter
+		cnt ? armv7_cntn_read(cnt, 0) : armv7_ccnt_read(0);
+
+		// Enable counter
+		armv7_pmnc_enable_counter(cnt);
+	}
+
+	// enable
+	armv7_pmnc_write(armv7_pmnc_read() | PMNC_E);
+
+	// return zero values, no need to read as the counters were just reset
+	for (cnt = 0; cnt < pmnc_counters; cnt++) {
+		if (pmnc_enabled[cnt]) {
+			per_cpu(perfCnt, cpu)[len++] = pmnc_key[cnt];
+			per_cpu(perfCnt, cpu)[len++] = 0;
+		}
+	}
+
+	if (buffer)
+		*buffer = per_cpu(perfCnt, cpu);
+
+	return len;
+}
+
+static int gator_events_armv7_offline(int** buffer)
+{
+	// disbale all counters, including PMCCNTR; overflow IRQs will not be signaled
+	armv7_pmnc_write(armv7_pmnc_read() & ~PMNC_E);
+	
+	return 0;
+}
+
+static void gator_events_armv7_stop(void)
+{
+	unsigned int cnt;
+
+	for (cnt = CCNT; cnt < CNTMAX; cnt++) {
+		pmnc_enabled[cnt] = 0;
+		pmnc_event[cnt] = 0;
+	}
+}
+
+static int gator_events_armv7_read(int **buffer)
+{
+	int cnt, len = 0;
+	int cpu = smp_processor_id();
+
+	// a context switch may occur before the online hotplug event, thus need to check that the pmu is enabled
+	if (!(armv7_pmnc_read() & PMNC_E)) {
+		return 0;
+	}
+
+	for (cnt = 0; cnt < pmnc_counters; cnt++) {
+		if (pmnc_enabled[cnt]) {
+			int value;
+			if (cnt == CCNT) {
+				value = armv7_ccnt_read(0);
+			} else {
+				value = armv7_cntn_read(cnt, 0);
+			}
+			per_cpu(perfCnt, cpu)[len++] = pmnc_key[cnt];
+			per_cpu(perfCnt, cpu)[len++] = value;
+		}
+	}
+
+	if (buffer)
+		*buffer = per_cpu(perfCnt, cpu);
+
+	return len;
+}
+
+static struct gator_interface gator_events_armv7_interface = {
+	.create_files = gator_events_armv7_create_files,
+	.stop = gator_events_armv7_stop,
+	.online = gator_events_armv7_online,
+	.offline = gator_events_armv7_offline,
+	.read = gator_events_armv7_read,
+};
+
+int gator_events_armv7_init(void)
+{
+	unsigned int cnt;
+
+	switch (gator_cpuid()) {
+	case CORTEX_A5:
+		pmnc_name = "Cortex-A5";
+		pmnc_counters = 2;
+		break;
+	case CORTEX_A7:
+		pmnc_name = "Cortex-A7";
+		pmnc_counters = 4;
+		break;
+	case CORTEX_A8:
+		pmnc_name = "Cortex-A8";
+		pmnc_counters = 4;
+		break;
+	case CORTEX_A9:
+		pmnc_name = "Cortex-A9";
+		pmnc_counters = 6;
+		break;
+	case CORTEX_A15:
+		pmnc_name = "Cortex-A15";
+		pmnc_counters = 6;
+		break;
+	default:
+		return -1;
+	}
+
+	pmnc_counters++; // CNT[n] + CCNT
+
+	for (cnt = CCNT; cnt < CNTMAX; cnt++) {
+		pmnc_enabled[cnt] = 0;
+		pmnc_event[cnt] = 0;
+		pmnc_key[cnt] = gator_events_get_key();
+	}
+
+	return gator_events_install(&gator_events_armv7_interface);
+}
+
+gator_events_init(gator_events_armv7_init);
+
+#else
+int gator_events_armv7_init(void)
+{
+	return -1;
+}
+#endif
diff --git a/drivers/gator/gator_events_block.c b/drivers/gator/gator_events_block.c
new file mode 100644
index 00000000000..a8b811413f3
--- /dev/null
+++ b/drivers/gator/gator_events_block.c
@@ -0,0 +1,175 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include "gator.h"
+#include <trace/events/block.h>
+
+#define BLOCK_RQ_WR		0
+#define BLOCK_RQ_RD		1
+
+#define BLOCK_TOTAL		(BLOCK_RQ_RD+1)
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 36)
+#define EVENTWRITE REQ_RW
+#else
+#define EVENTWRITE REQ_WRITE
+#endif
+
+static ulong block_rq_wr_enabled;
+static ulong block_rq_rd_enabled;
+static ulong block_rq_wr_key;
+static ulong block_rq_rd_key;
+static DEFINE_PER_CPU(int[BLOCK_TOTAL], blockCnt);
+static DEFINE_PER_CPU(int[BLOCK_TOTAL * 4], blockGet);
+static DEFINE_PER_CPU(bool, new_data_avail);
+
+GATOR_DEFINE_PROBE(block_rq_complete, TP_PROTO(struct request_queue *q, struct request *rq))
+{
+	unsigned long flags;
+	int write, size;
+	int cpu = smp_processor_id();
+
+	if (!rq)
+		return;
+
+	write = rq->cmd_flags & EVENTWRITE;
+	size = rq->resid_len;
+
+	if (!size)
+		return;
+
+	// disable interrupts to synchronize with gator_events_block_read()
+	// spinlocks not needed since percpu buffers are used
+	local_irq_save(flags);
+	if (write)
+		per_cpu(blockCnt, cpu)[BLOCK_RQ_WR] += size;
+	else
+		per_cpu(blockCnt, cpu)[BLOCK_RQ_RD] += size;
+	local_irq_restore(flags);
+
+	per_cpu(new_data_avail, cpu) = true;
+}
+
+static int gator_events_block_create_files(struct super_block *sb, struct dentry *root)
+{
+	struct dentry *dir;
+
+	/* block_complete_wr */
+	dir = gatorfs_mkdir(sb, root, "Linux_block_rq_wr");
+	if (!dir) {
+		return -1;
+	}
+	gatorfs_create_ulong(sb, dir, "enabled", &block_rq_wr_enabled);
+	gatorfs_create_ro_ulong(sb, dir, "key", &block_rq_wr_key);
+
+	/* block_complete_rd */
+	dir = gatorfs_mkdir(sb, root, "Linux_block_rq_rd");
+	if (!dir) {
+		return -1;
+	}
+	gatorfs_create_ulong(sb, dir, "enabled", &block_rq_rd_enabled);
+	gatorfs_create_ro_ulong(sb, dir, "key", &block_rq_rd_key);
+
+	return 0;
+}
+
+static int gator_events_block_start(void)
+{
+	int cpu;
+
+	for_each_present_cpu(cpu) 
+		per_cpu(new_data_avail, cpu) = true;
+
+	// register tracepoints
+	if (block_rq_wr_enabled || block_rq_rd_enabled)
+		if (GATOR_REGISTER_TRACE(block_rq_complete))
+			goto fail_block_rq_exit;
+	pr_debug("gator: registered block event tracepoints\n");
+
+	return 0;
+
+	// unregister tracepoints on error
+fail_block_rq_exit:
+	pr_err("gator: block event tracepoints failed to activate, please verify that tracepoints are enabled in the linux kernel\n");
+
+	return -1;
+}
+
+static void gator_events_block_stop(void)
+{
+	if (block_rq_wr_enabled || block_rq_rd_enabled)
+		GATOR_UNREGISTER_TRACE(block_rq_complete);
+	pr_debug("gator: unregistered block event tracepoints\n");
+
+	block_rq_wr_enabled = 0;
+	block_rq_rd_enabled = 0;
+}
+
+static int gator_events_block_read(int **buffer)
+{
+	unsigned long flags;
+	int len, value, cpu, data = 0;
+	cpu = smp_processor_id();
+
+	if (per_cpu(new_data_avail, cpu) == false)
+		return 0;
+
+	per_cpu(new_data_avail, cpu) = false;
+
+	len = 0;
+	if (block_rq_wr_enabled) {
+		local_irq_save(flags);
+		value = per_cpu(blockCnt, cpu)[BLOCK_RQ_WR];
+		per_cpu(blockCnt, cpu)[BLOCK_RQ_WR] = 0;
+		local_irq_restore(flags);
+		per_cpu(blockGet, cpu)[len++] = block_rq_wr_key;
+		per_cpu(blockGet, cpu)[len++] = 0; // indicates to Streamline that value bytes were written now, not since the last message
+		per_cpu(blockGet, cpu)[len++] = block_rq_wr_key;
+		per_cpu(blockGet, cpu)[len++] = value;
+		data += value;
+	}
+	if (block_rq_rd_enabled) {
+		local_irq_save(flags);
+		value = per_cpu(blockCnt, cpu)[BLOCK_RQ_RD];
+		per_cpu(blockCnt, cpu)[BLOCK_RQ_RD] = 0;
+		local_irq_restore(flags);
+		per_cpu(blockGet, cpu)[len++] = block_rq_rd_key;
+		per_cpu(blockGet, cpu)[len++] = 0; // indicates to Streamline that value bytes were read now, not since the last message
+		per_cpu(blockGet, cpu)[len++] = block_rq_rd_key;
+		per_cpu(blockGet, cpu)[len++] = value;
+		data += value;
+	}
+
+	if (data != 0)
+		per_cpu(new_data_avail, cpu) = true;
+
+	if (buffer)
+		*buffer = per_cpu(blockGet, cpu);
+
+	return len;
+}
+
+static struct gator_interface gator_events_block_interface = {
+	.create_files = gator_events_block_create_files,
+	.start = gator_events_block_start,
+	.stop = gator_events_block_stop,
+	.read = gator_events_block_read,
+};
+
+int gator_events_block_init(void)
+{
+	block_rq_wr_enabled = 0;
+	block_rq_rd_enabled = 0;
+
+	block_rq_wr_key = gator_events_get_key();
+	block_rq_rd_key = gator_events_get_key();
+
+	return gator_events_install(&gator_events_block_interface);
+}
+gator_events_init(gator_events_block_init);
diff --git a/drivers/gator/gator_events_irq.c b/drivers/gator/gator_events_irq.c
new file mode 100644
index 00000000000..435bc86fb5d
--- /dev/null
+++ b/drivers/gator/gator_events_irq.c
@@ -0,0 +1,188 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include "gator.h"
+#include <trace/events/irq.h>
+
+#define HARDIRQ		0
+#define SOFTIRQ		1
+#define TOTALIRQ	(SOFTIRQ+1)
+
+static ulong hardirq_enabled;
+static ulong softirq_enabled;
+static ulong hardirq_key;
+static ulong softirq_key;
+static DEFINE_PER_CPU(int[TOTALIRQ], irqCnt);
+static DEFINE_PER_CPU(int[TOTALIRQ * 2], irqGet);
+
+GATOR_DEFINE_PROBE(irq_handler_exit, TP_PROTO(int irq,
+		struct irqaction *action, int ret))
+{
+	unsigned long flags;
+
+	// disable interrupts to synchronize with gator_events_irq_read()
+	// spinlocks not needed since percpu buffers are used
+	local_irq_save(flags);
+	per_cpu(irqCnt, smp_processor_id())[HARDIRQ]++;
+	local_irq_restore(flags);
+}
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 37)
+GATOR_DEFINE_PROBE(softirq_exit, TP_PROTO(struct softirq_action *h, struct softirq_action *vec))
+#else
+GATOR_DEFINE_PROBE(softirq_exit, TP_PROTO(unsigned int vec_nr))
+#endif
+{
+	unsigned long flags;
+
+	// disable interrupts to synchronize with gator_events_irq_read()
+	// spinlocks not needed since percpu buffers are used
+	local_irq_save(flags);
+	per_cpu(irqCnt, smp_processor_id())[SOFTIRQ]++;
+	local_irq_restore(flags);
+}
+
+static int gator_events_irq_create_files(struct super_block *sb, struct dentry *root)
+{
+	struct dentry *dir;
+
+	/* irq */
+	dir = gatorfs_mkdir(sb, root, "Linux_irq_irq");
+	if (!dir) {
+		return -1;
+	}
+	gatorfs_create_ulong(sb, dir, "enabled", &hardirq_enabled);
+	gatorfs_create_ro_ulong(sb, dir, "key", &hardirq_key);
+
+	/* soft irq */
+	dir = gatorfs_mkdir(sb, root, "Linux_irq_softirq");
+	if (!dir) {
+		return -1;
+	}
+	gatorfs_create_ulong(sb, dir, "enabled", &softirq_enabled);
+	gatorfs_create_ro_ulong(sb, dir, "key", &softirq_key);
+
+	return 0;
+}
+
+static int gator_events_irq_online(int** buffer)
+{
+	int len = 0, cpu = smp_processor_id();
+	unsigned long flags; // not necessary as we are in interrupt context anyway, but doesn't hurt
+
+	// synchronization with the irq_exit functions is not necessary as the values are being reset
+	if (hardirq_enabled) {
+		local_irq_save(flags);
+		per_cpu(irqCnt, cpu)[HARDIRQ] = 0;
+		local_irq_restore(flags);
+		per_cpu(irqGet, cpu)[len++] = hardirq_key;
+		per_cpu(irqGet, cpu)[len++] = 0;
+	}
+
+	if (softirq_enabled) {
+		local_irq_save(flags);
+		per_cpu(irqCnt, cpu)[SOFTIRQ] = 0;
+		local_irq_restore(flags);
+		per_cpu(irqGet, cpu)[len++] = softirq_key;
+		per_cpu(irqGet, cpu)[len++] = 0;
+	}
+
+	if (buffer)
+		*buffer = per_cpu(irqGet, cpu);
+
+	return len;
+}
+
+static int gator_events_irq_start(void)
+{
+	// register tracepoints
+	if (hardirq_enabled)
+		if (GATOR_REGISTER_TRACE(irq_handler_exit))
+			goto fail_hardirq_exit;
+	if (softirq_enabled)
+		if (GATOR_REGISTER_TRACE(softirq_exit))
+			goto fail_softirq_exit;
+	pr_debug("gator: registered irq tracepoints\n");
+
+	return 0;
+
+	// unregister tracepoints on error
+fail_softirq_exit:
+	if (hardirq_enabled)
+		GATOR_UNREGISTER_TRACE(irq_handler_exit);
+fail_hardirq_exit:
+	pr_err("gator: irq tracepoints failed to activate, please verify that tracepoints are enabled in the linux kernel\n");
+
+	return -1;
+}
+
+static void gator_events_irq_stop(void)
+{
+	if (hardirq_enabled)
+		GATOR_UNREGISTER_TRACE(irq_handler_exit);
+	if (softirq_enabled)
+		GATOR_UNREGISTER_TRACE(softirq_exit);
+	pr_debug("gator: unregistered irq tracepoints\n");
+
+	hardirq_enabled = 0;
+	softirq_enabled = 0;
+}
+
+static int gator_events_irq_read(int **buffer)
+{
+	unsigned long flags; // not necessary as we are in interrupt context anyway, but doesn't hurt
+	int len, value;
+	int cpu = smp_processor_id();
+
+	len = 0;
+	if (hardirq_enabled) {
+		local_irq_save(flags);
+		value = per_cpu(irqCnt, cpu)[HARDIRQ];
+		per_cpu(irqCnt, cpu)[HARDIRQ] = 0;
+		local_irq_restore(flags);
+
+		per_cpu(irqGet, cpu)[len++] = hardirq_key;
+		per_cpu(irqGet, cpu)[len++] = value;
+	}
+
+	if (softirq_enabled) {
+		local_irq_save(flags);
+		value = per_cpu(irqCnt, cpu)[SOFTIRQ];
+		per_cpu(irqCnt, cpu)[SOFTIRQ] = 0;
+		local_irq_restore(flags);
+
+		per_cpu(irqGet, cpu)[len++] = softirq_key;
+		per_cpu(irqGet, cpu)[len++] = value;
+	}
+
+	if (buffer)
+		*buffer = per_cpu(irqGet, cpu);
+
+	return len;
+}
+
+static struct gator_interface gator_events_irq_interface = {
+	.create_files = gator_events_irq_create_files,
+	.online = gator_events_irq_online,
+	.start = gator_events_irq_start,
+	.stop = gator_events_irq_stop,
+	.read = gator_events_irq_read,
+};
+
+int gator_events_irq_init(void)
+{
+	hardirq_key = gator_events_get_key();
+	softirq_key = gator_events_get_key();
+
+	hardirq_enabled = 0;
+	softirq_enabled = 0;
+
+	return gator_events_install(&gator_events_irq_interface);
+}
+gator_events_init(gator_events_irq_init);
diff --git a/drivers/gator/gator_events_l2c-310.c b/drivers/gator/gator_events_l2c-310.c
new file mode 100644
index 00000000000..bd1c48a64e2
--- /dev/null
+++ b/drivers/gator/gator_events_l2c-310.c
@@ -0,0 +1,179 @@
+/**
+ * l2c310 (L2 Cache Controller) event counters for gator
+ *
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/io.h>
+#include <asm/hardware/cache-l2x0.h>
+
+#include "gator.h"
+
+#define L2C310_COUNTERS_NUM 2
+
+static struct {
+	unsigned long enabled;
+	unsigned long event;
+	unsigned long key;
+} l2c310_counters[L2C310_COUNTERS_NUM];
+
+static int l2c310_buffer[L2C310_COUNTERS_NUM * 2];
+
+static void __iomem *l2c310_base;
+
+
+
+static void gator_events_l2c310_reset_counters(void)
+{
+	u32 val = readl(l2c310_base + L2X0_EVENT_CNT_CTRL);
+
+	val |= ((1 << L2C310_COUNTERS_NUM) - 1) << 1;
+
+	writel(val, l2c310_base + L2X0_EVENT_CNT_CTRL);
+}
+
+
+static int gator_events_l2c310_create_files(struct super_block *sb,
+		struct dentry *root)
+{
+	int i;
+
+	for (i = 0; i < L2C310_COUNTERS_NUM; i++) {
+		char buf[16];
+		struct dentry *dir;
+
+		snprintf(buf, sizeof(buf), "L2C-310_cnt%d", i);
+		dir = gatorfs_mkdir(sb, root, buf);
+		if (WARN_ON(!dir))
+			return -1;
+		gatorfs_create_ulong(sb, dir, "enabled",
+				&l2c310_counters[i].enabled);
+		gatorfs_create_ulong(sb, dir, "event",
+				&l2c310_counters[i].event);
+		gatorfs_create_ro_ulong(sb, dir, "key",
+				&l2c310_counters[i].key);
+	}
+
+	return 0;
+}
+
+static int gator_events_l2c310_start(void)
+{
+	static const unsigned long l2x0_event_cntx_cfg[L2C310_COUNTERS_NUM] = {
+		L2X0_EVENT_CNT0_CFG,
+		L2X0_EVENT_CNT1_CFG,
+	};
+	int i;
+
+	/* Counter event sources */
+	for (i = 0; i < L2C310_COUNTERS_NUM; i++)
+		writel((l2c310_counters[i].event & 0xf) << 2,
+				l2c310_base + l2x0_event_cntx_cfg[i]);
+
+	gator_events_l2c310_reset_counters();
+
+	/* Event counter enable */
+	writel(1, l2c310_base + L2X0_EVENT_CNT_CTRL);
+
+	return 0;
+}
+
+static void gator_events_l2c310_stop(void)
+{
+	/* Event counter disable */
+	writel(0, l2c310_base + L2X0_EVENT_CNT_CTRL);
+}
+
+static int gator_events_l2c310_read(int **buffer)
+{
+	static const unsigned long l2x0_event_cntx_val[L2C310_COUNTERS_NUM] = {
+		L2X0_EVENT_CNT0_VAL,
+		L2X0_EVENT_CNT1_VAL,
+	};
+	int i;
+	int len = 0;
+
+	if (smp_processor_id())
+		return 0;
+
+	for (i = 0; i < L2C310_COUNTERS_NUM; i++) {
+		if (l2c310_counters[i].enabled) {
+			l2c310_buffer[len++] = l2c310_counters[i].key;
+			l2c310_buffer[len++] = readl(l2c310_base +
+					l2x0_event_cntx_val[i]);
+		}
+	}
+	
+	/* l2c310 counters are saturating, not wrapping in case of overflow */
+	gator_events_l2c310_reset_counters();
+
+	if (buffer)
+		*buffer = l2c310_buffer;
+
+	return len;
+}
+
+static struct gator_interface gator_events_l2c310_interface = {
+	.create_files = gator_events_l2c310_create_files,
+	.start = gator_events_l2c310_start,
+	.stop = gator_events_l2c310_stop,
+	.read = gator_events_l2c310_read,
+};
+
+static void __maybe_unused gator_events_l2c310_probe(unsigned long phys)
+{
+	if (l2c310_base)
+		return;
+
+	l2c310_base = ioremap(phys, SZ_4K);
+	if (l2c310_base) {
+		u32 cache_id = readl(l2c310_base + L2X0_CACHE_ID);
+
+		if ((cache_id & 0xff0003c0) != 0x410000c0) {
+			iounmap(l2c310_base);
+			l2c310_base = NULL;
+		}
+	}
+}
+
+int gator_events_l2c310_init(void)
+{
+	int i;
+
+	if (gator_cpuid() != CORTEX_A5 && gator_cpuid() != CORTEX_A9)
+		return -1;
+
+#if defined(CONFIG_ARCH_EXYNOS4) || defined(CONFIG_ARCH_S5PV310)
+	gator_events_l2c310_probe(0x10502000);
+#endif
+#if defined(CONFIG_ARCH_OMAP4)
+	gator_events_l2c310_probe(0x48242000);
+#endif
+#if defined(CONFIG_ARCH_TEGRA)
+	gator_events_l2c310_probe(0x50043000);
+#endif
+#if defined(CONFIG_ARCH_U8500)
+	gator_events_l2c310_probe(0xa0412000);
+#endif
+#if defined(CONFIG_ARCH_VEXPRESS)
+	// A9x4 core tile (HBI-0191)
+	gator_events_l2c310_probe(0x1e00a000);
+	// New memory map tiles
+	gator_events_l2c310_probe(0x2c0f0000);
+#endif
+	if (!l2c310_base)
+		return -1;
+
+	for (i = 0; i < L2C310_COUNTERS_NUM; i++) {
+		l2c310_counters[i].enabled = 0;
+		l2c310_counters[i].key = gator_events_get_key();
+	}
+
+	return gator_events_install(&gator_events_l2c310_interface);
+}
+gator_events_init(gator_events_l2c310_init);
diff --git a/drivers/gator/gator_events_mali.c b/drivers/gator/gator_events_mali.c
new file mode 100755
index 00000000000..e3b6e13923a
--- /dev/null
+++ b/drivers/gator/gator_events_mali.c
@@ -0,0 +1,732 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "gator.h"
+
+#include <linux/module.h>
+#include <linux/time.h>
+#include <linux/math64.h>
+
+#include "linux/mali_linux_trace.h"
+
+#if !defined(GATOR_MALI_INTERFACE_STYLE)
+/*
+ * At the moment, we only have users with the old style interface, so
+ * make our life easier by making it the default...
+ */
+#define GATOR_MALI_INTERFACE_STYLE (2)
+#endif
+
+/*
+ * There are (currently) three different variants of the comms between gator and Mali:
+ * 1 (deprecated): No software counter support
+ * 2 (deprecated): Tracepoint called for each separate s/w counter value as it appears
+ * 3 (default): Single tracepoint for all s/w counters in a bundle.
+ * Interface style 3 is the default if no other is specified.  1 and 2 will be eliminated when
+ * existing Mali DDKs are upgraded.
+ */
+
+#if !defined(GATOR_MALI_INTERFACE_STYLE)
+#define GATOR_MALI_INTERFACE_STYLE (3)
+#endif
+
+#define MALI_200     (0x0a07)
+#define MALI_300     (0x0b06) //This is not actually true; Mali-300 is also 0x0b07
+#define MALI_400     (0x0b07)
+#define MALI_T6xx    (0x0056)
+
+/*
+ * List of possible actions allowing DDK to be controlled by Streamline.
+ * The following numbers are used by DDK to control the frame buffer dumping.
+ */
+#define FBDUMP_CONTROL_ENABLE (1)
+#define FBDUMP_CONTROL_RATE (2)
+#define SW_EVENTS_ENABLE      (3)
+#define FBDUMP_CONTROL_RESIZE_FACTOR (4)
+
+/*
+ * Check that the MALI_SUPPORT define is set to one of the allowable device codes.
+ */
+#if !defined(MALI_SUPPORT)
+#error MALI_SUPPORT not defined!
+#elif (MALI_SUPPORT != MALI_200) && (MALI_SUPPORT != MALI_300) && (MALI_SUPPORT != MALI_400) && (MALI_SUPPORT != MALI_T6xx)
+#error MALI_SUPPORT set to an invalid device code
+#endif
+
+static const char *mali_name;
+
+enum counters {
+    /* Timeline activity */
+    ACTIVITY_VP = 0,
+    ACTIVITY_FP0,
+    ACTIVITY_FP1,
+    ACTIVITY_FP2,
+    ACTIVITY_FP3,
+    
+    /* L2 cache counters */
+    COUNTER_L2_C0,
+    COUNTER_L2_C1,
+
+    /* Vertex processor counters */
+    COUNTER_VP_C0,
+    COUNTER_VP_C1, 
+
+    /* Fragment processor counters */
+    COUNTER_FP0_C0,    
+    COUNTER_FP0_C1,     
+    COUNTER_FP1_C0,
+    COUNTER_FP1_C1,
+    COUNTER_FP2_C0,
+    COUNTER_FP2_C1,
+    COUNTER_FP3_C0,
+    COUNTER_FP3_C1,
+
+    /* EGL Software Counters */
+    COUNTER_EGL_BLIT_TIME,
+
+    /* GLES Software Counters */
+    COUNTER_GLES_DRAW_ELEMENTS_CALLS,
+    COUNTER_GLES_DRAW_ELEMENTS_NUM_INDICES,
+    COUNTER_GLES_DRAW_ELEMENTS_NUM_TRANSFORMED,
+    COUNTER_GLES_DRAW_ARRAYS_CALLS,
+    COUNTER_GLES_DRAW_ARRAYS_NUM_TRANSFORMED,
+    COUNTER_GLES_DRAW_POINTS,
+    COUNTER_GLES_DRAW_LINES,
+    COUNTER_GLES_DRAW_LINE_LOOP,
+    COUNTER_GLES_DRAW_LINE_STRIP,
+    COUNTER_GLES_DRAW_TRIANGLES,
+    COUNTER_GLES_DRAW_TRIANGLE_STRIP,
+    COUNTER_GLES_DRAW_TRIANGLE_FAN,
+    COUNTER_GLES_NON_VBO_DATA_COPY_TIME,
+    COUNTER_GLES_UNIFORM_BYTES_COPIED_TO_MALI,
+    COUNTER_GLES_UPLOAD_TEXTURE_TIME,
+    COUNTER_GLES_UPLOAD_VBO_TIME,
+    COUNTER_GLES_NUM_FLUSHES,
+    COUNTER_GLES_NUM_VSHADERS_GENERATED,
+    COUNTER_GLES_NUM_FSHADERS_GENERATED,
+    COUNTER_GLES_VSHADER_GEN_TIME,
+    COUNTER_GLES_FSHADER_GEN_TIME,
+    COUNTER_GLES_INPUT_TRIANGLES,
+    COUNTER_GLES_VXCACHE_HIT,
+    COUNTER_GLES_VXCACHE_MISS,
+    COUNTER_GLES_VXCACHE_COLLISION,
+    COUNTER_GLES_CULLED_TRIANGLES,
+    COUNTER_GLES_CULLED_LINES,
+    COUNTER_GLES_BACKFACE_TRIANGLES,
+    COUNTER_GLES_GBCLIP_TRIANGLES,
+    COUNTER_GLES_GBCLIP_LINES,
+    COUNTER_GLES_TRIANGLES_DRAWN,
+    COUNTER_GLES_DRAWCALL_TIME,
+    COUNTER_GLES_TRIANGLES_COUNT,
+    COUNTER_GLES_INDEPENDENT_TRIANGLES_COUNT,
+    COUNTER_GLES_STRIP_TRIANGLES_COUNT,
+    COUNTER_GLES_FAN_TRIANGLES_COUNT,
+    COUNTER_GLES_LINES_COUNT,
+    COUNTER_GLES_INDEPENDENT_LINES_COUNT,
+    COUNTER_GLES_STRIP_LINES_COUNT,
+    COUNTER_GLES_LOOP_LINES_COUNT,
+
+	COUNTER_FILMSTRIP,
+
+    NUMBER_OF_EVENTS
+};
+
+#define FIRST_ACTIVITY_EVENT    ACTIVITY_VP
+#define LAST_ACTIVITY_EVENT     ACTIVITY_FP3
+
+#define FIRST_HW_COUNTER        COUNTER_L2_C0
+#define LAST_HW_COUNTER         COUNTER_FP3_C1
+
+#define FIRST_SW_COUNTER        COUNTER_EGL_BLIT_TIME
+#define LAST_SW_COUNTER         COUNTER_GLES_LOOP_LINES_COUNT
+
+#define FIRST_SPECIAL_COUNTER   COUNTER_FILMSTRIP
+#define LAST_SPECIAL_COUNTER    COUNTER_FILMSTRIP
+
+/* gatorfs variables for counter enable state,
+ * the event the counter should count and the
+ * 'key' (a unique id set by gatord and returned
+ * by gator.ko)
+ */
+static unsigned long counter_enabled[NUMBER_OF_EVENTS];
+static unsigned long counter_event[NUMBER_OF_EVENTS];
+static unsigned long counter_key[NUMBER_OF_EVENTS];
+
+/* The data we have recorded */
+static u32 counter_data[NUMBER_OF_EVENTS];
+/* The address to sample (or 0 if samples are sent to us) */
+static u32* counter_address[NUMBER_OF_EVENTS];
+
+/* An array used to return the data we recorded
+ * as key,value pairs hence the *2
+ */
+static unsigned long counter_dump[NUMBER_OF_EVENTS * 2];
+static unsigned long counter_prev[NUMBER_OF_EVENTS];
+
+/* Note whether tracepoints have been registered */
+static int trace_registered;
+
+/**
+ * Calculate the difference and handle the overflow.
+ */
+static u32 get_difference(u32 start, u32 end)
+{
+	if (start - end >= 0)
+	{
+		return start - end;
+	}
+
+	// Mali counters are unsigned 32 bit values that wrap.
+	return (4294967295u - end) + start;
+}
+
+/**
+ * Returns non-zero if the given counter ID is an activity counter.
+ */
+static inline int is_activity_counter(unsigned int event_id)
+{
+    return (event_id >= FIRST_ACTIVITY_EVENT && 
+        event_id <= LAST_ACTIVITY_EVENT);
+}
+
+/**
+ * Returns non-zero if the given counter ID is a hardware counter.
+ */
+static inline int is_hw_counter(unsigned int event_id)
+{
+    return (event_id >= FIRST_HW_COUNTER && event_id <= LAST_HW_COUNTER);
+}
+
+/**
+ * Returns non-zero if the given counter ID is a software counter.
+ */
+static inline int is_sw_counter(unsigned int event_id)
+{
+    return (event_id >= FIRST_SW_COUNTER && event_id <= LAST_SW_COUNTER);
+}
+
+/*
+ * The Mali DDK uses s64 types to contain software counter values, but gator
+ * can only use a maximum of 32 bits. This function scales a software counter
+ * to an appopriate range.
+ */
+static u32 scale_sw_counter_value(unsigned int event_id, signed long long value)
+{
+    u32 scaled_value;
+
+    switch (event_id) {
+        case COUNTER_GLES_UPLOAD_TEXTURE_TIME:
+        case COUNTER_GLES_UPLOAD_VBO_TIME:
+            scaled_value = (u32)div_s64(value, 1000000);
+            break;
+        default:
+            scaled_value = (u32)value;
+            break;
+    }
+
+    return scaled_value;
+}
+
+/* Probe for continuously sampled counter */
+#if 0 //WE_DONT_CURRENTLY_USE_THIS_SO_SUPPRESS_WARNING
+GATOR_DEFINE_PROBE(mali_sample_address, TP_PROTO(unsigned int event_id, u32* addr))
+{
+    /* Turning on too many pr_debug statements in frequently called functions
+     * can cause stability and/or performance problems
+     */
+    //pr_debug("gator: mali_sample_address %d %d\n", event_id, addr);
+    if (event_id >= ACTIVITY_VP && event_id <= COUNTER_FP3_C1) {
+        counter_address[event_id] = addr;
+    }
+}
+#endif
+
+/* Probe for hardware counter events */
+GATOR_DEFINE_PROBE(mali_hw_counter, TP_PROTO(unsigned int event_id, unsigned int value))
+{
+    /* Turning on too many pr_debug statements in frequently called functions
+     * can cause stability and/or performance problems
+     */
+    //pr_debug("gator: mali_hw_counter %d %d\n", event_id, value);
+    if (is_hw_counter(event_id)) {
+        counter_data[event_id] = value;
+    }
+}
+
+#if GATOR_MALI_INTERFACE_STYLE == 2
+GATOR_DEFINE_PROBE(mali_sw_counter, TP_PROTO(unsigned int event_id, signed long long value))
+{
+    if (is_sw_counter(event_id)) {
+        counter_data[event_id] = scale_sw_counter_value(event_id, value);
+    }
+}
+#endif /* GATOR_MALI_INTERFACE_STYLE == 2 */
+
+
+#if GATOR_MALI_INTERFACE_STYLE == 3
+GATOR_DEFINE_PROBE(mali_sw_counters, TP_PROTO(pid_t pid, pid_t tid, void * surface_id, unsigned int * counters))
+{
+	u32 i;
+
+	/* Copy over the values for those counters which are enabled. */
+	for(i=FIRST_SW_COUNTER; i <= LAST_SW_COUNTER; i++)
+	{
+		if(counter_enabled[i])
+		{
+			counter_data[i] = (u32)(counters[i - FIRST_SW_COUNTER]);
+		}
+	}
+}
+#endif /* GATOR_MALI_INTERFACE_STYLE == 3 */
+
+//TODO need to work out how many fp units we have
+u32 gator_mali_get_n_fp(void) {
+    return 4;
+}
+
+//TODO need to work out what kind of Mali we are looking at
+u32 gator_mali_get_id(void) {
+    return MALI_SUPPORT;
+}
+
+int gator_events_mali_create_files(struct super_block *sb, struct dentry *root) {
+    struct dentry *dir;
+    int event;
+    int n_fp = gator_mali_get_n_fp();
+
+    /*
+     * Create the filesystem entries for vertex processor, fragement processor
+     * and L2 cache timeline and hardware counters. Software counters get 
+     * special handling after this block.
+     */
+    for (event = FIRST_ACTIVITY_EVENT; event <= LAST_HW_COUNTER; event++)
+    {
+        char buf[40];
+
+        /* 
+         * We can skip this event if it's for a non-existent fragment
+         * processor.
+         */
+        if (((event - ACTIVITY_FP0 >= n_fp) && (event < COUNTER_L2_C0)) ||
+            (((event - COUNTER_FP0_C0)/2 >= n_fp)))
+        {
+            continue;
+        }
+
+        /* Otherwise, set up the filesystem entry for this event. */
+        switch (event) {
+            case ACTIVITY_VP:
+                snprintf(buf, sizeof buf, "ARM_%s_VP_active", mali_name);
+                break;
+            case ACTIVITY_FP0:
+            case ACTIVITY_FP1:
+            case ACTIVITY_FP2:
+            case ACTIVITY_FP3:
+                snprintf(buf, sizeof buf, "ARM_%s_FP%d_active", 
+                    mali_name, event - ACTIVITY_FP0);
+                break;
+            case COUNTER_L2_C0:
+            case COUNTER_L2_C1:
+                snprintf(buf, sizeof buf, "ARM_%s_L2_cnt%d", 
+                    mali_name, event - COUNTER_L2_C0);
+                break;
+            case COUNTER_VP_C0:
+            case COUNTER_VP_C1:
+                snprintf(buf, sizeof buf, "ARM_%s_VP_cnt%d", 
+                    mali_name, event - COUNTER_VP_C0);
+                break;
+            case COUNTER_FP0_C0:
+            case COUNTER_FP0_C1:
+            case COUNTER_FP1_C0:
+            case COUNTER_FP1_C1:
+            case COUNTER_FP2_C0:
+            case COUNTER_FP2_C1:
+            case COUNTER_FP3_C0:
+            case COUNTER_FP3_C1:
+                snprintf(buf, sizeof buf, "ARM_%s_FP%d_cnt%d", mali_name, 
+                    (event - COUNTER_FP0_C0) / 2, (event - COUNTER_FP0_C0) % 2);
+                break;
+            default:
+                printk("gator: trying to create file for non-existent counter (%d)\n", event);
+                continue;
+        }
+
+        dir = gatorfs_mkdir(sb, root, buf);
+        
+        if (!dir) {
+            return -1;
+        }
+        
+        gatorfs_create_ulong(sb, dir, "enabled", &counter_enabled[event]);
+        
+        /* Only create an event node for counters that can change what they count */
+        if (event >= COUNTER_L2_C0) {
+            gatorfs_create_ulong(sb, dir, "event", &counter_event[event]);
+        }
+        
+        gatorfs_create_ro_ulong(sb, dir, "key", &counter_key[event]);
+    }
+
+    /* Now set up the software counter entries */
+    for (event = FIRST_SW_COUNTER; event <= LAST_SW_COUNTER; event++)
+    {
+        char buf[40];
+
+        snprintf(buf, sizeof(buf), "ARM_%s_SW_%d", mali_name, event);
+
+        dir = gatorfs_mkdir(sb, root, buf);
+
+        if (!dir) {
+            return -1;
+        }
+
+        gatorfs_create_ulong(sb, dir, "enabled", &counter_enabled[event]);
+        gatorfs_create_ro_ulong(sb, dir, "key", &counter_key[event]);
+    }
+
+	/* Now set up the special counter entries */
+    for (event = FIRST_SPECIAL_COUNTER; event <= LAST_SPECIAL_COUNTER; event++)
+    {
+        char buf[40];
+
+        snprintf(buf, sizeof(buf), "ARM_%s_Filmstrip", mali_name);
+
+        dir = gatorfs_mkdir(sb, root, buf);
+
+        if (!dir) {
+            return -1;
+        }
+
+        gatorfs_create_ulong(sb, dir, "event", &counter_event[event]);
+        gatorfs_create_ulong(sb, dir, "enabled", &counter_enabled[event]);
+        gatorfs_create_ro_ulong(sb, dir, "key", &counter_key[event]);
+    }
+
+
+    return 0;
+}
+
+//TODO
+void _mali_profiling_set_event(unsigned int, unsigned int);
+void _mali_osk_fb_control_set(unsigned int, unsigned int);
+void _mali_profiling_control(unsigned int, unsigned int);
+
+void _mali_profiling_get_counters(unsigned int*, unsigned int*, unsigned int*, unsigned int*);
+void (*_mali_profiling_get_counters_function_pointer)(unsigned int*, unsigned int*, unsigned int*, unsigned int*);
+
+/*
+ * Examine list of software counters and determine if any one is enabled.
+ * Returns 1 if any counter is enabled, 0 if none is.
+ */
+static int is_any_sw_counter_enabled(void)
+{
+	unsigned int i;
+
+	for (i = FIRST_SW_COUNTER; i <= LAST_SW_COUNTER; i++)
+	{
+		if (counter_enabled[i])
+		{
+			return 1;	/* At least one counter is enabled */
+		}
+	}
+
+	return 0;	/* No s/w counters enabled */
+}
+
+static void mali_counter_initialize(void) 
+{
+    /* If a Mali driver is present and exporting the appropriate symbol
+     * then we can request the HW counters (of which there are only 2)
+     * be configured to count the desired events
+     */
+    void (*set_hw_event)(unsigned int, unsigned int);
+	void (*set_fb_event)(unsigned int, unsigned int);
+	void (*mali_control)(unsigned int, unsigned int);
+
+    set_hw_event = symbol_get(_mali_profiling_set_event);
+
+    if (set_hw_event) {
+        int i;
+
+        pr_debug("gator: mali online _mali_profiling_set_event symbol @ %p\n",set_hw_event);
+
+        for (i = FIRST_HW_COUNTER; i <= LAST_HW_COUNTER; i++) {
+            if (counter_enabled[i]) {
+                set_hw_event(i, counter_event[i]);
+            } else {
+                set_hw_event(i, 0xFFFFFFFF);
+            }
+        }
+
+        symbol_put(_mali_profiling_set_event);
+    } else {
+        printk("gator: mali online _mali_profiling_set_event symbol not found\n");
+    }
+
+	set_fb_event = symbol_get(_mali_osk_fb_control_set);
+
+	if (set_fb_event) {
+		pr_debug("gator: mali online _mali_osk_fb_control_set symbol @ %p\n", set_fb_event);
+
+        set_fb_event(0,(counter_enabled[COUNTER_FILMSTRIP]?1:0));
+
+		symbol_put(_mali_osk_fb_control_set);
+	} else {
+		printk("gator: mali online _mali_osk_fb_control_set symbol not found\n");
+	}
+
+	/* Generic control interface for Mali DDK. */
+	mali_control = symbol_get(_mali_profiling_control);
+	if (mali_control) {
+		/* The event attribute in the XML file keeps the actual frame rate. */
+		unsigned int rate = counter_event[COUNTER_FILMSTRIP] & 0xff;
+		unsigned int resize_factor = (counter_event[COUNTER_FILMSTRIP] >> 8) & 0xff;
+
+		pr_debug("gator: mali online _mali_profiling_control symbol @ %p\n", mali_control);
+
+		mali_control(SW_EVENTS_ENABLE, (is_any_sw_counter_enabled()?1:0));
+		mali_control(FBDUMP_CONTROL_ENABLE, (counter_enabled[COUNTER_FILMSTRIP]?1:0));
+		mali_control(FBDUMP_CONTROL_RATE, rate);
+		mali_control(FBDUMP_CONTROL_RESIZE_FACTOR, resize_factor);
+
+		pr_debug("gator: sent mali_control enabled=%d, rate=%d\n", (counter_enabled[COUNTER_FILMSTRIP]?1:0), rate);
+
+		symbol_put(_mali_profiling_control);
+	} else {
+		printk("gator: mali online _mali_profiling_control symbol not found\n");
+	}
+
+	_mali_profiling_get_counters_function_pointer =  symbol_get(_mali_profiling_get_counters);
+	if (_mali_profiling_get_counters_function_pointer){
+		pr_debug("gator: mali online _mali_profiling_get_counters symbol @ %p\n", _mali_profiling_get_counters_function_pointer);
+		counter_prev[COUNTER_L2_C0] = 0;
+		counter_prev[COUNTER_L2_C1] = 0;
+	}
+	else{
+		pr_debug("gator WARNING: mali _mali_profiling_get_counters symbol  not defined");
+	}
+}
+
+static void mali_counter_deinitialize(void) 
+{
+    void (*set_hw_event)(unsigned int, unsigned int);
+	void (*set_fb_event)(unsigned int, unsigned int);
+	void (*mali_control)(unsigned int, unsigned int);
+
+    set_hw_event = symbol_get(_mali_profiling_set_event);
+
+    if (set_hw_event) {
+        int i;
+        
+        pr_debug("gator: mali offline _mali_profiling_set_event symbol @ %p\n",set_hw_event);
+        for (i = FIRST_HW_COUNTER; i <= LAST_HW_COUNTER; i++) {
+            set_hw_event(i, 0xFFFFFFFF);
+        }
+        
+        symbol_put(_mali_profiling_set_event);
+    } else {
+        printk("gator: mali offline _mali_profiling_set_event symbol not found\n");
+    }
+
+	set_fb_event = symbol_get(_mali_osk_fb_control_set);
+
+	if (set_fb_event) {
+		pr_debug("gator: mali offline _mali_osk_fb_control_set symbol @ %p\n", set_fb_event);
+
+        set_fb_event(0,0);
+
+		symbol_put(_mali_osk_fb_control_set);
+	} else {
+		printk("gator: mali offline _mali_osk_fb_control_set symbol not found\n");
+	}
+	
+	/* Generic control interface for Mali DDK. */
+	mali_control = symbol_get(_mali_profiling_control);
+
+	if (mali_control) {
+		pr_debug("gator: mali offline _mali_profiling_control symbol @ %p\n", set_fb_event);
+
+		/* Reset the DDK state - disable counter collection */
+		mali_control(SW_EVENTS_ENABLE, 0);
+
+		mali_control(FBDUMP_CONTROL_ENABLE, 0);
+
+		symbol_put(_mali_profiling_control);
+	} else {
+		printk("gator: mali offline _mali_profiling_control symbol not found\n");
+	}
+
+	if (_mali_profiling_get_counters_function_pointer){
+		symbol_put(_mali_profiling_get_counters);
+	}
+
+}
+
+static int gator_events_mali_start(void) {
+    // register tracepoints
+    if (GATOR_REGISTER_TRACE(mali_hw_counter)) {
+        printk("gator: mali_hw_counter tracepoint failed to activate\n");
+        return -1;
+    }
+
+#if GATOR_MALI_INTERFACE_STYLE == 1
+		/* None. */
+#elif GATOR_MALI_INTERFACE_STYLE == 2
+		/* For patched Mali driver. */
+    if (GATOR_REGISTER_TRACE(mali_sw_counter)) {
+        printk("gator: mali_sw_counter tracepoint failed to activate\n");
+        return -1;
+    }
+#elif GATOR_MALI_INTERFACE_STYLE == 3
+/* For Mali drivers with built-in support. */
+    if (GATOR_REGISTER_TRACE(mali_sw_counters)) {
+        printk("gator: mali_sw_counters tracepoint failed to activate\n");
+        return -1;
+    }
+#else
+#error Unknown GATOR_MALI_INTERFACE_STYLE option.
+#endif
+
+    trace_registered = 1;
+
+    mali_counter_initialize();
+    return 0;
+}
+
+static void gator_events_mali_stop(void) {
+    unsigned int cnt;
+
+    pr_debug("gator: mali stop\n");
+
+    if (trace_registered) {
+        GATOR_UNREGISTER_TRACE(mali_hw_counter);
+
+#if GATOR_MALI_INTERFACE_STYLE == 1
+    /* None. */
+#elif GATOR_MALI_INTERFACE_STYLE == 2
+    /* For patched Mali driver. */
+    GATOR_UNREGISTER_TRACE(mali_sw_counter);
+#elif GATOR_MALI_INTERFACE_STYLE == 3
+    /* For Mali drivers with built-in support. */
+    GATOR_UNREGISTER_TRACE(mali_sw_counters);
+#else
+#error Unknown GATOR_MALI_INTERFACE_STYLE option.
+#endif
+
+        pr_debug("gator: mali timeline tracepoint deactivated\n");
+        
+        trace_registered = 0;
+    }
+
+    for (cnt = FIRST_ACTIVITY_EVENT; cnt < NUMBER_OF_EVENTS; cnt++) {
+        counter_enabled[cnt] = 0;
+        counter_event[cnt] = 0;
+        counter_address[cnt] = NULL;
+    }
+
+    mali_counter_deinitialize();
+}
+
+static int gator_events_mali_read(int **buffer) {
+    int cnt, len = 0;
+
+    if (smp_processor_id()) return 0;
+
+    // Read the L2 C0 and C1 here.
+    if (counter_enabled[COUNTER_L2_C0] || counter_enabled[COUNTER_L2_C1] ) {
+        u32 src0 = 0;
+        u32 val0 = 0;
+        u32 src1 = 0;
+        u32 val1 = 0;
+
+        // Poke the driver to get the counter values
+        if (_mali_profiling_get_counters_function_pointer){
+            _mali_profiling_get_counters_function_pointer(&src0, &val0, &src1, &val1);
+        }
+
+        if (counter_enabled[COUNTER_L2_C0])
+        {
+            // Calculate and save src0's counter val0
+            counter_dump[len++] = counter_key[COUNTER_L2_C0];
+            counter_dump[len++] = get_difference(val0, counter_prev[COUNTER_L2_C0]);
+        }
+
+        if (counter_enabled[COUNTER_L2_C1])
+        {
+            // Calculate and save src1's counter val1
+            counter_dump[len++] = counter_key[COUNTER_L2_C1];
+            counter_dump[len++] = get_difference(val1, counter_prev[COUNTER_L2_C1]);
+        }
+
+        // Save the previous values for the counters.
+        counter_prev[COUNTER_L2_C0] = val0;
+        counter_prev[COUNTER_L2_C1] = val1;
+    }
+
+    // Process other (non-timeline) counters.
+    for (cnt = COUNTER_VP_C0; cnt <= LAST_SW_COUNTER; cnt++) {
+        if (counter_enabled[cnt]) {
+            counter_dump[len++] = counter_key[cnt];
+            counter_dump[len++] = counter_data[cnt];
+
+            counter_data[cnt] = 0;
+        }
+    }
+
+    if (buffer) {
+        *buffer = (int*) counter_dump;
+    }
+
+    return len;
+}
+
+static struct gator_interface gator_events_mali_interface = {
+    .create_files = gator_events_mali_create_files,
+    .start = gator_events_mali_start,
+    .stop = gator_events_mali_stop,
+    .read = gator_events_mali_read,
+};
+
+int gator_events_mali_init(void)
+{
+    unsigned int cnt;
+    u32 id = gator_mali_get_id();
+
+    switch (id) {
+    case MALI_T6xx:
+        mali_name = "Mali-T6xx";
+        break;
+    case MALI_400:
+        mali_name = "Mali-400";
+        break;
+    case MALI_300:
+        mali_name = "Mali-300";
+        break;
+    case MALI_200:
+        mali_name = "Mali-200";
+        break;
+    default:
+        printk("Unknown Mali ID (%d)\n", id);
+        return -1;
+    }
+
+    pr_debug("gator: mali init\n");
+
+    for (cnt = FIRST_ACTIVITY_EVENT; cnt < NUMBER_OF_EVENTS; cnt++) {
+        counter_enabled[cnt] = 0;
+        counter_event[cnt] = 0;
+        counter_key[cnt] = gator_events_get_key();
+        counter_address[cnt] = NULL;
+		counter_data[cnt] = 0;
+    }
+
+    trace_registered = 0;
+
+    return gator_events_install(&gator_events_mali_interface);
+}
+gator_events_init(gator_events_mali_init);
diff --git a/drivers/gator/gator_events_meminfo.c b/drivers/gator/gator_events_meminfo.c
new file mode 100644
index 00000000000..ad552ef6c6e
--- /dev/null
+++ b/drivers/gator/gator_events_meminfo.c
@@ -0,0 +1,230 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include "gator.h"
+#include <linux/workqueue.h>
+#include <trace/events/kmem.h>
+#include <linux/hardirq.h>
+
+#define MEMINFO_MEMFREE		0
+#define MEMINFO_MEMUSED		1
+#define MEMINFO_BUFFERRAM	2
+#define MEMINFO_TOTAL		3
+
+static ulong meminfo_global_enabled;
+static ulong meminfo_enabled[MEMINFO_TOTAL];
+static ulong meminfo_key[MEMINFO_TOTAL];
+static unsigned long long meminfo_buffer[MEMINFO_TOTAL * 2];
+static int meminfo_length = 0;
+static unsigned int mem_event = 0;
+static bool new_data_avail;
+
+static void wq_sched_handler(struct work_struct *wsptr);
+
+DECLARE_WORK(work, wq_sched_handler);
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0)
+GATOR_DEFINE_PROBE(mm_page_free_direct, TP_PROTO(struct page *page, unsigned int order)) {
+#else
+GATOR_DEFINE_PROBE(mm_page_free, TP_PROTO(struct page *page, unsigned int order)) {
+#endif
+	mem_event++;
+}
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0)
+GATOR_DEFINE_PROBE(mm_pagevec_free, TP_PROTO(struct page *page, int cold)) {
+#else
+GATOR_DEFINE_PROBE(mm_page_free_batched, TP_PROTO(struct page *page, int cold)) {
+#endif
+	mem_event++;
+}
+
+GATOR_DEFINE_PROBE(mm_page_alloc, TP_PROTO(struct page *page, unsigned int order, gfp_t gfp_flags, int migratetype)) {
+	mem_event++;
+}
+
+static int gator_events_meminfo_create_files(struct super_block *sb, struct dentry *root)
+{
+	struct dentry *dir;
+	int i;
+
+	for (i = 0; i < MEMINFO_TOTAL; i++) {
+		switch (i) {
+		case MEMINFO_MEMFREE:
+			dir = gatorfs_mkdir(sb, root, "Linux_meminfo_memfree");
+			break;
+		case MEMINFO_MEMUSED:
+			dir = gatorfs_mkdir(sb, root, "Linux_meminfo_memused");
+			break;
+		case MEMINFO_BUFFERRAM:
+			dir = gatorfs_mkdir(sb, root, "Linux_meminfo_bufferram");
+			break;
+		default:
+			return -1;
+		}
+		if (!dir) {
+			return -1;
+		}
+		gatorfs_create_ulong(sb, dir, "enabled", &meminfo_enabled[i]);
+		gatorfs_create_ro_ulong(sb, dir, "key", &meminfo_key[i]);
+	}
+
+	return 0;
+}
+
+static int gator_events_meminfo_start(void)
+{
+	int i;
+
+	new_data_avail = true;
+	for (i = 0; i < MEMINFO_TOTAL; i++) {
+		if (meminfo_enabled[i]) {
+			meminfo_global_enabled = 1;
+		}
+	}
+
+	if (meminfo_global_enabled == 0)
+		return 0;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0)
+	if (GATOR_REGISTER_TRACE(mm_page_free_direct))
+#else
+	if (GATOR_REGISTER_TRACE(mm_page_free))
+#endif
+		goto mm_page_free_exit;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0)
+	if (GATOR_REGISTER_TRACE(mm_pagevec_free))
+#else
+	if (GATOR_REGISTER_TRACE(mm_page_free_batched))
+#endif
+		goto mm_page_free_batched_exit;
+	if (GATOR_REGISTER_TRACE(mm_page_alloc))
+		goto mm_page_alloc_exit;
+
+	return 0;
+
+mm_page_alloc_exit:
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0)
+	GATOR_UNREGISTER_TRACE(mm_pagevec_free);
+#else
+	GATOR_UNREGISTER_TRACE(mm_page_free_batched);
+#endif
+mm_page_free_batched_exit:
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0)
+	GATOR_UNREGISTER_TRACE(mm_page_free_direct);
+#else
+	GATOR_UNREGISTER_TRACE(mm_page_free);
+#endif
+mm_page_free_exit:
+	return -1;
+}
+
+static void gator_events_meminfo_stop(void)
+{
+	int i;
+
+	if (meminfo_global_enabled) {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0)
+		GATOR_UNREGISTER_TRACE(mm_page_free_direct);
+		GATOR_UNREGISTER_TRACE(mm_pagevec_free);
+#else
+		GATOR_UNREGISTER_TRACE(mm_page_free);
+		GATOR_UNREGISTER_TRACE(mm_page_free_batched);
+#endif
+		GATOR_UNREGISTER_TRACE(mm_page_alloc);
+	}
+
+	meminfo_global_enabled = 0;
+	for (i = 0; i < MEMINFO_TOTAL; i++) {
+		meminfo_enabled[i] = 0;
+	}
+}
+
+// Must be run in process context (work queue) as the kernel function si_meminfo() can sleep
+static void wq_sched_handler(struct work_struct *wsptr)
+{
+	struct sysinfo info;
+	int i, len;
+	unsigned long long value;
+
+	meminfo_length = len = 0;
+
+	si_meminfo(&info);
+	for (i = 0; i < MEMINFO_TOTAL; i++) {
+		if (meminfo_enabled[i]) {
+			switch (i) {
+			case MEMINFO_MEMFREE:
+				value = info.freeram * PAGE_SIZE;
+				break;
+			case MEMINFO_MEMUSED:
+				value = (info.totalram - info.freeram) * PAGE_SIZE;
+				break;
+			case MEMINFO_BUFFERRAM:
+				value = info.bufferram * PAGE_SIZE;
+				break;
+			default:
+				value = 0;
+				break;
+			}
+			meminfo_buffer[len++] = (unsigned long long)meminfo_key[i];
+			meminfo_buffer[len++] = value;
+		}
+	}
+
+	meminfo_length = len;
+	new_data_avail = true;
+}
+
+static int gator_events_meminfo_read(long long **buffer)
+{
+	static unsigned int last_mem_event = 0;
+
+	if (smp_processor_id() || !meminfo_global_enabled)
+		return 0;
+
+	if (last_mem_event != mem_event) {
+		last_mem_event = mem_event;
+		if (in_interrupt()) {
+			schedule_work(&work);
+		} else {
+			wq_sched_handler(NULL);
+		}
+	}
+
+	if (!new_data_avail)
+		return 0;
+
+	new_data_avail = false;
+
+	if (buffer)
+		*buffer = meminfo_buffer;
+
+	return meminfo_length;
+}
+
+static struct gator_interface gator_events_meminfo_interface = {
+	.create_files = gator_events_meminfo_create_files,
+	.start = gator_events_meminfo_start,
+	.stop = gator_events_meminfo_stop,
+	.read64 = gator_events_meminfo_read,
+};
+
+int gator_events_meminfo_init(void)
+{
+	int i;
+
+	meminfo_global_enabled = 0;
+	for (i = 0; i < MEMINFO_TOTAL; i++) {
+		meminfo_enabled[i] = 0;
+		meminfo_key[i] = gator_events_get_key();
+	}
+
+	return gator_events_install(&gator_events_meminfo_interface);
+}
+gator_events_init(gator_events_meminfo_init);
diff --git a/drivers/gator/gator_events_mmaped.c b/drivers/gator/gator_events_mmaped.c
new file mode 100644
index 00000000000..f81c40240d9
--- /dev/null
+++ b/drivers/gator/gator_events_mmaped.c
@@ -0,0 +1,231 @@
+/*
+ * Example events provider
+ *
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Similar entries to those below must be present in the events.xml file.
+ * To add them to the events.xml, create an events-mmap.xml with the 
+ * following contents and rebuild gatord:
+ *
+ * <counter_set name="mmaped_cntX">
+ *   <counter name="mmaped_cnt0"/>
+ *   <counter name="mmaped_cnt1"/>
+ *   <counter name="mmaped_cnt2"/>
+ * </counter_set>
+ * <category name="mmaped" counter_set="mmaped_cntX" per_cpu="no">
+ *   <event event="0x0" title="Simulated" name="Sine" display="maximum" average_selection="yes" description="Sort-of-sine"/>
+ *   <event event="0x1" title="Simulated" name="Triangle" display="maximum" average_selection="yes" description="Triangular wave"/>
+ *   <event event="0x2" title="Simulated" name="PWM" display="maximum" average_selection="yes" description="PWM Signal"/>
+ * </category>
+ */
+
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/ratelimit.h>
+
+#include "gator.h"
+
+#define MMAPED_COUNTERS_NUM 3
+
+static struct {
+	unsigned long enabled;
+	unsigned long event;
+	unsigned long key;
+} mmaped_counters[MMAPED_COUNTERS_NUM];
+
+static int mmaped_buffer[MMAPED_COUNTERS_NUM * 2];
+
+#ifdef TODO
+static void __iomem *mmaped_base;
+#endif
+
+#ifndef TODO
+static s64 prev_time;
+#endif
+
+/* Adds mmaped_cntX directories and enabled, event, and key files to /dev/gator/events */
+static int gator_events_mmaped_create_files(struct super_block *sb,
+		struct dentry *root)
+{
+	int i;
+
+	for (i = 0; i < MMAPED_COUNTERS_NUM; i++) {
+		char buf[16];
+		struct dentry *dir;
+
+		snprintf(buf, sizeof(buf), "mmaped_cnt%d", i);
+		dir = gatorfs_mkdir(sb, root, buf);
+		if (WARN_ON(!dir))
+			return -1;
+		gatorfs_create_ulong(sb, dir, "enabled",
+				&mmaped_counters[i].enabled);
+		gatorfs_create_ulong(sb, dir, "event",
+				&mmaped_counters[i].event);
+		gatorfs_create_ro_ulong(sb, dir, "key",
+				&mmaped_counters[i].key);
+	}
+
+	return 0;
+}
+
+static int gator_events_mmaped_start(void)
+{
+#ifdef TODO
+	for (i = 0; i < MMAPED_COUNTERS_NUM; i++)
+		writel(mmaped_counters[i].event,
+				mmaped_base + COUNTERS_CONFIG_OFFSET[i]);
+
+	writel(ENABLED, COUNTERS_CONTROL_OFFSET);
+#endif
+
+#ifndef TODO
+	struct timespec ts;
+	getnstimeofday(&ts);
+	prev_time = timespec_to_ns(&ts);
+#endif
+
+	return 0;
+}
+
+static void gator_events_mmaped_stop(void)
+{
+#ifdef TODO
+	writel(DISABLED, COUNTERS_CONTROL_OFFSET);
+#endif
+}
+
+#ifndef TODO
+/* This function "simulates" counters, generating values of fancy
+ * functions like sine or triangle... */
+static int mmaped_simulate(int counter, int delta_in_us)
+{
+	int result = 0;
+
+	switch (counter) {
+	case 0: /* sort-of-sine */
+		{
+			static int t = 0;
+			int x;
+
+			t += delta_in_us;
+			if (t > 2048000)
+				t = 0;
+
+			if (t % 1024000 < 512000)
+				x = 512000 - (t % 512000);
+			else
+				x = t % 512000;
+
+			result = 32 * x / 512000;
+			result = result * result;
+
+			if (t < 1024000)
+				result = 1922 - result;
+		}
+		break;
+	case 1: /* triangle */
+		{
+			static int v, d = 1;
+
+			v = v + d * delta_in_us;
+			if (v < 0) {
+				v = 0;
+				d = 1;
+			} else if (v > 1000000) {
+				v = 1000000;
+				d = -1;
+			}
+
+			result = v;
+		}
+		break;
+	case 2: /* PWM signal */
+		{
+			static int t, dc, x;
+
+			t += delta_in_us;
+			if (t > 1000000)
+				t = 0;
+			if (x / 1000000 != (x + delta_in_us) / 1000000)
+				dc = (dc + 100000) % 1000000;
+			x += delta_in_us;
+			
+			result = t < dc ? 0 : 10;
+		}
+		break;
+	}
+
+	return result;
+}
+#endif
+
+static int gator_events_mmaped_read(int **buffer)
+{
+	int i;
+	int len = 0;
+#ifndef TODO
+	int delta_in_us;
+	struct timespec ts;
+	s64 time;
+#endif
+
+	/* System wide counters - read from one core only */
+	if (smp_processor_id())
+		return 0;
+
+#ifndef TODO	
+	getnstimeofday(&ts);
+	time = timespec_to_ns(&ts);
+	delta_in_us = (int)(time - prev_time) / 1000;
+	prev_time = time;
+#endif
+
+	for (i = 0; i < MMAPED_COUNTERS_NUM; i++) {
+		if (mmaped_counters[i].enabled) {
+			mmaped_buffer[len++] = mmaped_counters[i].key;
+#ifdef TODO
+			mmaped_buffer[len++] = readl(mmaped_base +
+					COUNTERS_VALUE_OFFSET[i]);
+#else
+			mmaped_buffer[len++] = mmaped_simulate(
+					mmaped_counters[i].event, delta_in_us);
+#endif
+		}
+	}
+	
+	if (buffer)
+		*buffer = mmaped_buffer;
+
+	return len;
+}
+
+static struct gator_interface gator_events_mmaped_interface = {
+	.create_files = gator_events_mmaped_create_files,
+	.start = gator_events_mmaped_start,
+	.stop = gator_events_mmaped_stop,
+	.read = gator_events_mmaped_read,
+};
+
+/* Must not be static! */
+int __init gator_events_mmaped_init(void)
+{
+	int i;
+
+#ifdef TODO
+	mmaped_base = ioremap(COUNTERS_PHYS_ADDR, SZ_4K);
+	if (!mmaped_base)
+		return -ENOMEM;	
+#endif
+
+	for (i = 0; i < MMAPED_COUNTERS_NUM; i++) {
+		mmaped_counters[i].enabled = 0;
+		mmaped_counters[i].key = gator_events_get_key();
+	}
+
+	return gator_events_install(&gator_events_mmaped_interface);
+}
+gator_events_init(gator_events_mmaped_init);
diff --git a/drivers/gator/gator_events_net.c b/drivers/gator/gator_events_net.c
new file mode 100644
index 00000000000..9298905e626
--- /dev/null
+++ b/drivers/gator/gator_events_net.c
@@ -0,0 +1,157 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include "gator.h"
+#include <linux/netdevice.h>
+#include <linux/hardirq.h>
+
+#define NETRX		0
+#define NETTX		1
+#define TOTALNET	2
+
+static ulong netrx_enabled;
+static ulong nettx_enabled;
+static ulong netrx_key;
+static ulong nettx_key;
+static int rx_total, tx_total;
+static ulong netPrev[TOTALNET];
+static int netGet[TOTALNET * 4];
+
+static void get_network_stats(struct work_struct *wsptr) {
+	int rx = 0, tx = 0;
+	struct net_device *dev;
+
+	for_each_netdev(&init_net, dev) {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 36)
+		const struct net_device_stats *stats = dev_get_stats(dev);
+#else
+		struct rtnl_link_stats64 temp;
+		const struct rtnl_link_stats64 *stats = dev_get_stats(dev, &temp);
+#endif
+		rx += stats->rx_bytes;
+		tx += stats->tx_bytes;
+	}
+	rx_total = rx;
+	tx_total = tx;
+}
+DECLARE_WORK(wq_get_stats, get_network_stats);
+
+static void calculate_delta(int *rx, int *tx)
+{
+	int rx_calc, tx_calc;
+
+	rx_calc = (int)(rx_total - netPrev[NETRX]);
+	if (rx_calc < 0)
+		rx_calc = 0;
+	netPrev[NETRX] += rx_calc;
+
+	tx_calc = (int)(tx_total - netPrev[NETTX]);
+	if (tx_calc < 0)
+		tx_calc = 0;
+	netPrev[NETTX] += tx_calc;
+
+	*rx = rx_calc;
+	*tx = tx_calc;
+}
+
+static int gator_events_net_create_files(struct super_block *sb, struct dentry *root)
+{
+	struct dentry *dir;
+
+	dir = gatorfs_mkdir(sb, root, "Linux_net_rx");
+	if (!dir) {
+		return -1;
+	}
+	gatorfs_create_ulong(sb, dir, "enabled", &netrx_enabled);
+	gatorfs_create_ro_ulong(sb, dir, "key", &netrx_key);
+
+	dir = gatorfs_mkdir(sb, root, "Linux_net_tx");
+	if (!dir) {
+		return -1;
+	}
+	gatorfs_create_ulong(sb, dir, "enabled", &nettx_enabled);
+	gatorfs_create_ro_ulong(sb, dir, "key", &nettx_key);
+
+	return 0;
+}
+
+static int gator_events_net_start(void)
+{
+	get_network_stats(NULL);
+	netPrev[NETRX] = rx_total;
+	netPrev[NETTX] = tx_total;
+	return 0;
+}
+
+static void gator_events_net_stop(void)
+{
+	netrx_enabled = 0;
+	nettx_enabled = 0;
+}
+
+static int gator_events_net_read(int **buffer)
+{
+	int len, rx_delta, tx_delta;
+	static int last_rx_delta = 0, last_tx_delta = 0;
+
+	if (smp_processor_id() != 0)
+		return 0;
+
+	if (!netrx_enabled && !nettx_enabled)
+		return 0;
+
+	if (in_interrupt()){
+		schedule_work(&wq_get_stats);
+	} else {
+		get_network_stats(NULL);
+	}
+
+	calculate_delta(&rx_delta, &tx_delta);
+
+	len = 0;
+	if (netrx_enabled && last_rx_delta != rx_delta) {
+		last_rx_delta = rx_delta;
+		netGet[len++] = netrx_key;
+		netGet[len++] = 0; // indicates to Streamline that rx_delta bytes were transmitted now, not since the last message
+		netGet[len++] = netrx_key;
+		netGet[len++] = rx_delta;
+	}
+
+	if (nettx_enabled && last_tx_delta != tx_delta) {
+		last_tx_delta = tx_delta;
+		netGet[len++] = nettx_key;
+		netGet[len++] = 0; // indicates to Streamline that tx_delta bytes were transmitted now, not since the last message
+		netGet[len++] = nettx_key;
+		netGet[len++] = tx_delta;
+	}
+
+	if (buffer)
+		*buffer = netGet;
+
+	return len;
+}
+
+static struct gator_interface gator_events_net_interface = {
+	.create_files = gator_events_net_create_files,
+	.start = gator_events_net_start,
+	.stop = gator_events_net_stop,
+	.read = gator_events_net_read,
+};
+
+int gator_events_net_init(void)
+{
+	netrx_key = gator_events_get_key();
+	nettx_key = gator_events_get_key();
+
+	netrx_enabled = 0;
+	nettx_enabled = 0;
+
+	return gator_events_install(&gator_events_net_interface);
+}
+gator_events_init(gator_events_net_init);
diff --git a/drivers/gator/gator_events_perf_pmu.c b/drivers/gator/gator_events_perf_pmu.c
new file mode 100755
index 00000000000..da76a9cb409
--- /dev/null
+++ b/drivers/gator/gator_events_perf_pmu.c
@@ -0,0 +1,306 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/slab.h>
+#include <linux/perf_event.h>
+#include "gator.h"
+
+// gator_events_armvX.c is used for Linux 2.6.x
+#if GATOR_PERF_PMU_SUPPORT
+
+static const char *pmnc_name;
+int pmnc_counters;
+int ccnt = 0;
+
+#define CNTMAX (6+1)
+
+static DEFINE_MUTEX(perf_mutex);
+
+unsigned long pmnc_enabled[CNTMAX];
+unsigned long pmnc_event[CNTMAX];
+unsigned long pmnc_count[CNTMAX];
+unsigned long pmnc_key[CNTMAX];
+
+static DEFINE_PER_CPU(int[CNTMAX], perfCurr);
+static DEFINE_PER_CPU(int[CNTMAX], perfPrev);
+static DEFINE_PER_CPU(int[CNTMAX], perfPrevDelta);
+static DEFINE_PER_CPU(int[CNTMAX * 2], perfCnt);
+static DEFINE_PER_CPU(struct perf_event *[CNTMAX], pevent);
+static DEFINE_PER_CPU(struct perf_event_attr *[CNTMAX], pevent_attr);
+
+static void gator_events_perf_pmu_stop(void);
+
+static int gator_events_perf_pmu_create_files(struct super_block *sb, struct dentry *root)
+{
+	struct dentry *dir;
+	int i;
+
+	for (i = 0; i < pmnc_counters; i++) {
+		char buf[40];
+		if (i == 0) {
+			snprintf(buf, sizeof buf, "%s_ccnt", pmnc_name);
+		} else {
+			snprintf(buf, sizeof buf, "%s_cnt%d", pmnc_name, i-1);
+		}
+		dir = gatorfs_mkdir(sb, root, buf);
+		if (!dir) {
+			return -1;
+		}
+		gatorfs_create_ulong(sb, dir, "enabled", &pmnc_enabled[i]);
+		gatorfs_create_ulong(sb, dir, "count", &pmnc_count[i]);
+		gatorfs_create_ro_ulong(sb, dir, "key", &pmnc_key[i]);
+		if (i > 0) {
+			gatorfs_create_ulong(sb, dir, "event", &pmnc_event[i]);
+		}
+	}
+
+	return 0;
+}
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 1, 0)
+static void dummy_handler(struct perf_event *event, int unused, struct perf_sample_data *data, struct pt_regs *regs)
+#else
+static void dummy_handler(struct perf_event *event, struct perf_sample_data *data, struct pt_regs *regs)
+#endif
+{
+// Required as perf_event_create_kernel_counter() requires an overflow handler, even though all we do is poll
+}
+
+static int gator_events_perf_pmu_online(int** buffer)
+{
+	int cnt, len = 0, cpu = smp_processor_id();
+
+	// read the counters and toss the invalid data, return zero instead
+	for (cnt = 0; cnt < pmnc_counters; cnt++) {
+		struct perf_event * ev = per_cpu(pevent, cpu)[cnt];
+		if (ev != NULL && ev->state == PERF_EVENT_STATE_ACTIVE) {
+			ev->pmu->read(ev);
+			per_cpu(perfPrev, cpu)[cnt] = per_cpu(perfCurr, cpu)[cnt] = local64_read(&ev->count);
+			per_cpu(perfPrevDelta, cpu)[cnt] = 0;
+			per_cpu(perfCnt, cpu)[len++] = pmnc_key[cnt];
+			per_cpu(perfCnt, cpu)[len++] = 0;
+		}
+	}
+
+	if (buffer)
+		*buffer = per_cpu(perfCnt, cpu);
+
+	return len;
+}
+
+static void gator_events_perf_pmu_online_dispatch(int cpu)
+{
+	int cnt;
+
+	for (cnt = 0; cnt < pmnc_counters; cnt++) {
+		if (per_cpu(pevent, cpu)[cnt] != NULL || per_cpu(pevent_attr, cpu)[cnt] == 0)
+			continue;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 1, 0)
+		per_cpu(pevent, cpu)[cnt] = perf_event_create_kernel_counter(per_cpu(pevent_attr, cpu)[cnt], cpu, 0, dummy_handler);
+#else
+		per_cpu(pevent, cpu)[cnt] = perf_event_create_kernel_counter(per_cpu(pevent_attr, cpu)[cnt], cpu, 0, dummy_handler, 0);
+#endif
+		if (IS_ERR(per_cpu(pevent, cpu)[cnt])) {
+			pr_debug("gator: unable to online a counter on cpu %d\n", cpu);
+			per_cpu(pevent, cpu)[cnt] = NULL;
+			continue;
+		}
+
+		if (per_cpu(pevent, cpu)[cnt]->state != PERF_EVENT_STATE_ACTIVE) {
+			pr_debug("gator: inactive counter on cpu %d\n", cpu);
+			perf_event_release_kernel(per_cpu(pevent, cpu)[cnt]);
+			per_cpu(pevent, cpu)[cnt] = NULL;
+			continue;
+		}
+	}
+}
+
+static void gator_events_perf_pmu_offline_dispatch(int cpu)
+{
+	int cnt;
+	struct perf_event * pe;
+
+	for (cnt = 0; cnt < pmnc_counters; cnt++) {
+		pe = NULL;
+		mutex_lock(&perf_mutex);
+		if (per_cpu(pevent, cpu)[cnt]) {
+			pe = per_cpu(pevent, cpu)[cnt];
+			per_cpu(pevent, cpu)[cnt] = NULL;
+		}
+		mutex_unlock(&perf_mutex);
+
+		if (pe) {
+			perf_event_release_kernel(pe);
+		}
+	}
+}
+
+static int gator_events_perf_pmu_start(void)
+{
+	int cnt, cpu;
+	u32 size = sizeof(struct perf_event_attr);
+
+	for_each_present_cpu(cpu) {
+		for (cnt = 0; cnt < pmnc_counters; cnt++) {
+			per_cpu(pevent, cpu)[cnt] = NULL;
+			if (!pmnc_enabled[cnt]) // Skip disabled counters
+				continue;
+
+			per_cpu(perfPrev, cpu)[cnt] = 0;
+			per_cpu(perfCurr, cpu)[cnt] = 0;
+			per_cpu(perfPrevDelta, cpu)[cnt] = 0;
+			per_cpu(pevent_attr, cpu)[cnt] = kmalloc(size, GFP_KERNEL);
+			if (!per_cpu(pevent_attr, cpu)[cnt]) {
+				gator_events_perf_pmu_stop();
+				return -1;
+			}
+
+			memset(per_cpu(pevent_attr, cpu)[cnt], 0, size);
+			per_cpu(pevent_attr, cpu)[cnt]->type = PERF_TYPE_RAW;
+			per_cpu(pevent_attr, cpu)[cnt]->size = size;
+			per_cpu(pevent_attr, cpu)[cnt]->config = pmnc_event[cnt];
+			per_cpu(pevent_attr, cpu)[cnt]->sample_period = 0;
+			per_cpu(pevent_attr, cpu)[cnt]->pinned = 1;
+
+			// handle special case for ccnt
+			if (cnt == ccnt) {
+				per_cpu(pevent_attr, cpu)[cnt]->type = PERF_TYPE_HARDWARE;
+				per_cpu(pevent_attr, cpu)[cnt]->config = PERF_COUNT_HW_CPU_CYCLES;
+			}
+		}
+	}
+
+	return 0;
+}
+
+static void gator_events_perf_pmu_stop(void)
+{
+	unsigned int cnt, cpu;
+
+	for_each_present_cpu(cpu) {
+		for (cnt = 0; cnt < pmnc_counters; cnt++) {
+			if (per_cpu(pevent_attr, cpu)[cnt]) {
+				kfree(per_cpu(pevent_attr, cpu)[cnt]);
+				per_cpu(pevent_attr, cpu)[cnt] = NULL;
+			}
+		}
+	}
+
+	for (cnt = 0; cnt < pmnc_counters; cnt++) {
+		pmnc_enabled[cnt] = 0;
+		pmnc_event[cnt] = 0;
+		pmnc_count[cnt] = 0;
+	}
+}
+
+static int gator_events_perf_pmu_read(int **buffer)
+{
+	int cnt, delta, len = 0;
+	int cpu = smp_processor_id();
+
+	for (cnt = 0; cnt < pmnc_counters; cnt++) {
+		struct perf_event * ev = per_cpu(pevent, cpu)[cnt];
+		if (ev != NULL && ev->state == PERF_EVENT_STATE_ACTIVE) {
+			ev->pmu->read(ev);
+			per_cpu(perfCurr, cpu)[cnt] = local64_read(&ev->count);
+			delta = per_cpu(perfCurr, cpu)[cnt] - per_cpu(perfPrev, cpu)[cnt];
+			if (delta != per_cpu(perfPrevDelta, cpu)[cnt]) {
+				per_cpu(perfPrevDelta, cpu)[cnt] = delta;
+				per_cpu(perfPrev, cpu)[cnt] = per_cpu(perfCurr, cpu)[cnt];
+				per_cpu(perfCnt, cpu)[len++] = pmnc_key[cnt];
+				if (delta < 0)
+					delta *= -1;
+				per_cpu(perfCnt, cpu)[len++] = delta;
+			}
+		}
+	}
+
+	if (buffer)
+		*buffer = per_cpu(perfCnt, cpu);
+
+	return len;
+}
+
+static struct gator_interface gator_events_perf_pmu_interface = {
+	.create_files = gator_events_perf_pmu_create_files,
+	.start = gator_events_perf_pmu_start,
+	.stop = gator_events_perf_pmu_stop,
+	.online = gator_events_perf_pmu_online,
+	.online_dispatch = gator_events_perf_pmu_online_dispatch,
+	.offline_dispatch = gator_events_perf_pmu_offline_dispatch,
+	.read = gator_events_perf_pmu_read,
+};
+
+int gator_events_perf_pmu_init(void)
+{
+	unsigned int cnt;
+
+	switch (gator_cpuid()) {
+	case ARM1136:
+	case ARM1156:
+	case ARM1176:
+		pmnc_name = "ARM_ARM11";
+		pmnc_counters = 3;
+		ccnt = 2;
+		break;
+	case ARM11MPCORE:
+		pmnc_name = "ARM_ARM11MPCore";
+		pmnc_counters = 3;
+		break;
+	case CORTEX_A5:
+		pmnc_name = "ARM_Cortex-A5";
+		pmnc_counters = 2;
+		break;
+	case CORTEX_A7:
+		pmnc_name = "ARM_Cortex-A7";
+		pmnc_counters = 4;
+		break;
+	case CORTEX_A8:
+		pmnc_name = "ARM_Cortex-A8";
+		pmnc_counters = 4;
+		break;
+	case CORTEX_A9:
+		pmnc_name = "ARM_Cortex-A9";
+		pmnc_counters = 6;
+		break;
+	case CORTEX_A15:
+		pmnc_name = "ARM_Cortex-A15";
+		pmnc_counters = 6;
+		break;
+	case SCORPION:
+		pmnc_name = "Scorpion";
+		pmnc_counters = 4;
+		break;
+	case SCORPIONMP:
+		pmnc_name = "ScorpionMP";
+		pmnc_counters = 4;
+		break;
+	case KRAITSIM:
+	case KRAIT:
+		pmnc_name = "Krait";
+		pmnc_counters = 4;
+		break;
+	default:
+		return -1;
+	}
+
+	pmnc_counters++; // CNT[n] + CCNT
+
+	for (cnt = 0; cnt < CNTMAX; cnt++) {
+		pmnc_enabled[cnt] = 0;
+		pmnc_event[cnt] = 0;
+		pmnc_count[cnt] = 0;
+		pmnc_key[cnt] = gator_events_get_key();
+	}
+
+	return gator_events_install(&gator_events_perf_pmu_interface);
+}
+
+gator_events_init(gator_events_perf_pmu_init);
+#endif
diff --git a/drivers/gator/gator_events_sched.c b/drivers/gator/gator_events_sched.c
new file mode 100644
index 00000000000..9bed3641dbb
--- /dev/null
+++ b/drivers/gator/gator_events_sched.c
@@ -0,0 +1,114 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include "gator.h"
+#include <trace/events/sched.h>
+
+#define SCHED_SWITCH	0
+#define SCHED_TOTAL		(SCHED_SWITCH+1)
+
+static ulong sched_switch_enabled;
+static ulong sched_switch_key;
+static DEFINE_PER_CPU(int[SCHED_TOTAL], schedCnt);
+static DEFINE_PER_CPU(int[SCHED_TOTAL * 2], schedGet);
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
+GATOR_DEFINE_PROBE(sched_switch, TP_PROTO(struct rq *rq, struct task_struct *prev, struct task_struct *next))
+#else
+GATOR_DEFINE_PROBE(sched_switch, TP_PROTO(struct task_struct *prev, struct task_struct *next))
+#endif
+{
+	unsigned long flags;
+
+	// disable interrupts to synchronize with gator_events_sched_read()
+	// spinlocks not needed since percpu buffers are used
+	local_irq_save(flags);
+	per_cpu(schedCnt, smp_processor_id())[SCHED_SWITCH]++;
+	local_irq_restore(flags);
+}
+
+static int gator_events_sched_create_files(struct super_block *sb, struct dentry *root)
+{
+	struct dentry *dir;
+
+	/* switch */
+	dir = gatorfs_mkdir(sb, root, "Linux_sched_switch");
+	if (!dir) {
+		return -1;
+	}
+	gatorfs_create_ulong(sb, dir, "enabled", &sched_switch_enabled);
+	gatorfs_create_ro_ulong(sb, dir, "key", &sched_switch_key);
+
+	return 0;
+}
+
+static int gator_events_sched_start(void)
+{
+	// register tracepoints
+	if (sched_switch_enabled)
+		if (GATOR_REGISTER_TRACE(sched_switch))
+			goto sched_switch_exit;
+	pr_debug("gator: registered scheduler event tracepoints\n");
+
+	return 0;
+
+	// unregister tracepoints on error
+sched_switch_exit:
+	pr_err("gator: scheduler event tracepoints failed to activate, please verify that tracepoints are enabled in the linux kernel\n");
+
+	return -1;
+}
+
+static void gator_events_sched_stop(void)
+{
+	if (sched_switch_enabled)
+		GATOR_UNREGISTER_TRACE(sched_switch);
+	pr_debug("gator: unregistered scheduler event tracepoints\n");
+
+	sched_switch_enabled = 0;
+}
+
+static int gator_events_sched_read(int **buffer)
+{
+	unsigned long flags;
+	int len, value;
+	int cpu = smp_processor_id();
+
+	len = 0;
+	if (sched_switch_enabled) {
+		local_irq_save(flags);
+		value = per_cpu(schedCnt, cpu)[SCHED_SWITCH];
+		per_cpu(schedCnt, cpu)[SCHED_SWITCH] = 0;
+		local_irq_restore(flags);
+		per_cpu(schedGet, cpu)[len++] = sched_switch_key;
+		per_cpu(schedGet, cpu)[len++] = value;
+	}
+
+	if (buffer)
+		*buffer = per_cpu(schedGet, cpu);
+
+	return len;
+}
+
+static struct gator_interface gator_events_sched_interface = {
+	.create_files = gator_events_sched_create_files,
+	.start = gator_events_sched_start,
+	.stop = gator_events_sched_stop,
+	.read = gator_events_sched_read,
+};
+
+int gator_events_sched_init(void)
+{
+	sched_switch_enabled = 0;
+
+	sched_switch_key = gator_events_get_key();
+
+	return gator_events_install(&gator_events_sched_interface);
+}
+gator_events_init(gator_events_sched_init);
diff --git a/drivers/gator/gator_events_scorpion.c b/drivers/gator/gator_events_scorpion.c
new file mode 100644
index 00000000000..ed0d8de6b9f
--- /dev/null
+++ b/drivers/gator/gator_events_scorpion.c
@@ -0,0 +1,678 @@
+/**
+ * Copyright (C) ARM Limited 2011-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "gator.h"
+
+// gator_events_perf_pmu.c is used if perf is supported
+#if GATOR_NO_PERF_SUPPORT
+
+static const char *pmnc_name;
+static int pmnc_counters;
+
+// Per-CPU PMNC: config reg
+#define PMNC_E		(1 << 0)	/* Enable all counters */
+#define PMNC_P		(1 << 1)	/* Reset all counters */
+#define PMNC_C		(1 << 2)	/* Cycle counter reset */
+#define PMNC_D		(1 << 3)	/* CCNT counts every 64th cpu cycle */
+#define PMNC_X		(1 << 4)	/* Export to ETM */
+#define PMNC_DP		(1 << 5)	/* Disable CCNT if non-invasive debug*/
+#define	PMNC_MASK	0x3f		/* Mask for writable bits */
+
+// ccnt reg
+#define CCNT_REG	(1 << 31)
+
+#define CCNT 		0
+#define CNT0		1
+#define CNTMAX 		(4+1)
+
+static unsigned long pmnc_enabled[CNTMAX];
+static unsigned long pmnc_event[CNTMAX];
+static unsigned long pmnc_key[CNTMAX];
+
+static DEFINE_PER_CPU(int[CNTMAX * 2], perfCnt);
+
+enum scorpion_perf_types {
+	SCORPION_ICACHE_EXPL_INV                = 0x4c,
+	SCORPION_ICACHE_MISS                    = 0x4d,
+	SCORPION_ICACHE_ACCESS                  = 0x4e,
+	SCORPION_ICACHE_CACHEREQ_L2             = 0x4f,
+	SCORPION_ICACHE_NOCACHE_L2              = 0x50,
+	SCORPION_HIQUP_NOPED                    = 0x51,
+	SCORPION_DATA_ABORT                     = 0x52,
+	SCORPION_IRQ                            = 0x53,
+	SCORPION_FIQ                            = 0x54,
+	SCORPION_ALL_EXCPT                      = 0x55,
+	SCORPION_UNDEF                          = 0x56,
+	SCORPION_SVC                            = 0x57,
+	SCORPION_SMC                            = 0x58,
+	SCORPION_PREFETCH_ABORT                 = 0x59,
+	SCORPION_INDEX_CHECK                    = 0x5a,
+	SCORPION_NULL_CHECK                     = 0x5b,
+	SCORPION_EXPL_ICIALLU                   = 0x5c,
+	SCORPION_IMPL_ICIALLU                   = 0x5d,
+	SCORPION_NONICIALLU_BTAC_INV            = 0x5e,
+	SCORPION_ICIMVAU_IMPL_ICIALLU           = 0x5f,
+	SCORPION_SPIPE_ONLY_CYCLES              = 0x60,
+	SCORPION_XPIPE_ONLY_CYCLES              = 0x61,
+	SCORPION_DUAL_CYCLES                    = 0x62,
+	SCORPION_DISPATCH_ANY_CYCLES            = 0x63,
+	SCORPION_FIFO_FULLBLK_CMT               = 0x64,
+	SCORPION_FAIL_COND_INST                 = 0x65,
+	SCORPION_PASS_COND_INST                 = 0x66,
+	SCORPION_ALLOW_VU_CLK                   = 0x67,
+	SCORPION_VU_IDLE                        = 0x68,
+	SCORPION_ALLOW_L2_CLK                   = 0x69,
+	SCORPION_L2_IDLE                        = 0x6a,
+	SCORPION_DTLB_IMPL_INV_SCTLR_DACR       = 0x6b,
+	SCORPION_DTLB_EXPL_INV                  = 0x6c,
+	SCORPION_DTLB_MISS                      = 0x6d,
+	SCORPION_DTLB_ACCESS                    = 0x6e,
+	SCORPION_ITLB_MISS                      = 0x6f,
+	SCORPION_ITLB_IMPL_INV                  = 0x70,
+	SCORPION_ITLB_EXPL_INV                  = 0x71,
+	SCORPION_UTLB_D_MISS                    = 0x72,
+	SCORPION_UTLB_D_ACCESS                  = 0x73,
+	SCORPION_UTLB_I_MISS                    = 0x74,
+	SCORPION_UTLB_I_ACCESS                  = 0x75,
+	SCORPION_UTLB_INV_ASID                  = 0x76,
+	SCORPION_UTLB_INV_MVA                   = 0x77,
+	SCORPION_UTLB_INV_ALL                   = 0x78,
+	SCORPION_S2_HOLD_RDQ_UNAVAIL            = 0x79,
+	SCORPION_S2_HOLD                        = 0x7a,
+	SCORPION_S2_HOLD_DEV_OP                 = 0x7b,
+	SCORPION_S2_HOLD_ORDER                  = 0x7c,
+	SCORPION_S2_HOLD_BARRIER                = 0x7d,
+	SCORPION_VIU_DUAL_CYCLE                 = 0x7e,
+	SCORPION_VIU_SINGLE_CYCLE               = 0x7f,
+	SCORPION_VX_PIPE_WAR_STALL_CYCLES       = 0x80,
+	SCORPION_VX_PIPE_WAW_STALL_CYCLES       = 0x81,
+	SCORPION_VX_PIPE_RAW_STALL_CYCLES       = 0x82,
+	SCORPION_VX_PIPE_LOAD_USE_STALL         = 0x83,
+	SCORPION_VS_PIPE_WAR_STALL_CYCLES       = 0x84,
+	SCORPION_VS_PIPE_WAW_STALL_CYCLES       = 0x85,
+	SCORPION_VS_PIPE_RAW_STALL_CYCLES       = 0x86,
+	SCORPION_EXCEPTIONS_INV_OPERATION       = 0x87,
+	SCORPION_EXCEPTIONS_DIV_BY_ZERO         = 0x88,
+	SCORPION_COND_INST_FAIL_VX_PIPE         = 0x89,
+	SCORPION_COND_INST_FAIL_VS_PIPE         = 0x8a,
+	SCORPION_EXCEPTIONS_OVERFLOW            = 0x8b,
+	SCORPION_EXCEPTIONS_UNDERFLOW           = 0x8c,
+	SCORPION_EXCEPTIONS_DENORM              = 0x8d,
+#ifdef CONFIG_ARCH_MSM_SCORPIONMP
+	SCORPIONMP_NUM_BARRIERS                 = 0x8e,
+	SCORPIONMP_BARRIER_CYCLES               = 0x8f,
+#else
+	SCORPION_BANK_AB_HIT                    = 0x8e,
+	SCORPION_BANK_AB_ACCESS                 = 0x8f,
+	SCORPION_BANK_CD_HIT                    = 0x90,
+	SCORPION_BANK_CD_ACCESS                 = 0x91,
+	SCORPION_BANK_AB_DSIDE_HIT              = 0x92,
+	SCORPION_BANK_AB_DSIDE_ACCESS           = 0x93,
+	SCORPION_BANK_CD_DSIDE_HIT              = 0x94,
+	SCORPION_BANK_CD_DSIDE_ACCESS           = 0x95,
+	SCORPION_BANK_AB_ISIDE_HIT              = 0x96,
+	SCORPION_BANK_AB_ISIDE_ACCESS           = 0x97,
+	SCORPION_BANK_CD_ISIDE_HIT              = 0x98,
+	SCORPION_BANK_CD_ISIDE_ACCESS           = 0x99,
+	SCORPION_ISIDE_RD_WAIT                  = 0x9a,
+	SCORPION_DSIDE_RD_WAIT                  = 0x9b,
+	SCORPION_BANK_BYPASS_WRITE              = 0x9c,
+	SCORPION_BANK_AB_NON_CASTOUT            = 0x9d,
+	SCORPION_BANK_AB_L2_CASTOUT             = 0x9e,
+	SCORPION_BANK_CD_NON_CASTOUT            = 0x9f,
+	SCORPION_BANK_CD_L2_CASTOUT             = 0xa0,
+#endif
+	MSM_MAX_EVT
+};
+
+struct scorp_evt {
+	u32 evt_type;
+	u32 val;
+	u8 grp;
+	u32 evt_type_act;
+};
+
+static const struct scorp_evt sc_evt[] = {
+	{SCORPION_ICACHE_EXPL_INV, 0x80000500, 0, 0x4d},
+	{SCORPION_ICACHE_MISS, 0x80050000, 0, 0x4e},
+	{SCORPION_ICACHE_ACCESS, 0x85000000, 0, 0x4f},
+	{SCORPION_ICACHE_CACHEREQ_L2, 0x86000000, 0, 0x4f},
+	{SCORPION_ICACHE_NOCACHE_L2, 0x87000000, 0, 0x4f},
+	{SCORPION_HIQUP_NOPED, 0x80080000, 0, 0x4e},
+	{SCORPION_DATA_ABORT, 0x8000000a, 0, 0x4c},
+	{SCORPION_IRQ, 0x80000a00, 0, 0x4d},
+	{SCORPION_FIQ, 0x800a0000, 0, 0x4e},
+	{SCORPION_ALL_EXCPT, 0x8a000000, 0, 0x4f},
+	{SCORPION_UNDEF, 0x8000000b, 0, 0x4c},
+	{SCORPION_SVC, 0x80000b00, 0, 0x4d},
+	{SCORPION_SMC, 0x800b0000, 0, 0x4e},
+	{SCORPION_PREFETCH_ABORT, 0x8b000000, 0, 0x4f},
+	{SCORPION_INDEX_CHECK, 0x8000000c, 0, 0x4c},
+	{SCORPION_NULL_CHECK, 0x80000c00, 0, 0x4d},
+	{SCORPION_EXPL_ICIALLU, 0x8000000d, 0, 0x4c},
+	{SCORPION_IMPL_ICIALLU, 0x80000d00, 0, 0x4d},
+	{SCORPION_NONICIALLU_BTAC_INV, 0x800d0000, 0, 0x4e},
+	{SCORPION_ICIMVAU_IMPL_ICIALLU, 0x8d000000, 0, 0x4f},
+
+	{SCORPION_SPIPE_ONLY_CYCLES, 0x80000600, 1, 0x51},
+	{SCORPION_XPIPE_ONLY_CYCLES, 0x80060000, 1, 0x52},
+	{SCORPION_DUAL_CYCLES, 0x86000000, 1, 0x53},
+	{SCORPION_DISPATCH_ANY_CYCLES, 0x89000000, 1, 0x53},
+	{SCORPION_FIFO_FULLBLK_CMT, 0x8000000d, 1, 0x50},
+	{SCORPION_FAIL_COND_INST, 0x800d0000, 1, 0x52},
+	{SCORPION_PASS_COND_INST, 0x8d000000, 1, 0x53},
+	{SCORPION_ALLOW_VU_CLK, 0x8000000e, 1, 0x50},
+	{SCORPION_VU_IDLE, 0x80000e00, 1, 0x51},
+	{SCORPION_ALLOW_L2_CLK, 0x800e0000, 1, 0x52},
+	{SCORPION_L2_IDLE, 0x8e000000, 1, 0x53},
+
+	{SCORPION_DTLB_IMPL_INV_SCTLR_DACR, 0x80000001, 2, 0x54},
+	{SCORPION_DTLB_EXPL_INV, 0x80000100, 2, 0x55},
+	{SCORPION_DTLB_MISS, 0x80010000, 2, 0x56},
+	{SCORPION_DTLB_ACCESS, 0x81000000, 2, 0x57},
+	{SCORPION_ITLB_MISS, 0x80000200, 2, 0x55},
+	{SCORPION_ITLB_IMPL_INV, 0x80020000, 2, 0x56},
+	{SCORPION_ITLB_EXPL_INV, 0x82000000, 2, 0x57},
+	{SCORPION_UTLB_D_MISS, 0x80000003, 2, 0x54},
+	{SCORPION_UTLB_D_ACCESS, 0x80000300, 2, 0x55},
+	{SCORPION_UTLB_I_MISS, 0x80030000, 2, 0x56},
+	{SCORPION_UTLB_I_ACCESS, 0x83000000, 2, 0x57},
+	{SCORPION_UTLB_INV_ASID, 0x80000400, 2, 0x55},
+	{SCORPION_UTLB_INV_MVA, 0x80040000, 2, 0x56},
+	{SCORPION_UTLB_INV_ALL, 0x84000000, 2, 0x57},
+	{SCORPION_S2_HOLD_RDQ_UNAVAIL, 0x80000800, 2, 0x55},
+	{SCORPION_S2_HOLD, 0x88000000, 2, 0x57},
+	{SCORPION_S2_HOLD_DEV_OP, 0x80000900, 2, 0x55},
+	{SCORPION_S2_HOLD_ORDER, 0x80090000, 2, 0x56},
+	{SCORPION_S2_HOLD_BARRIER, 0x89000000, 2, 0x57},
+
+	{SCORPION_VIU_DUAL_CYCLE, 0x80000001, 4, 0x5c},
+	{SCORPION_VIU_SINGLE_CYCLE, 0x80000100, 4, 0x5d},
+	{SCORPION_VX_PIPE_WAR_STALL_CYCLES, 0x80000005, 4, 0x5c},
+	{SCORPION_VX_PIPE_WAW_STALL_CYCLES, 0x80000500, 4, 0x5d},
+	{SCORPION_VX_PIPE_RAW_STALL_CYCLES, 0x80050000, 4, 0x5e},
+	{SCORPION_VX_PIPE_LOAD_USE_STALL, 0x80000007, 4, 0x5c},
+	{SCORPION_VS_PIPE_WAR_STALL_CYCLES, 0x80000008, 4, 0x5c},
+	{SCORPION_VS_PIPE_WAW_STALL_CYCLES, 0x80000800, 4, 0x5d},
+	{SCORPION_VS_PIPE_RAW_STALL_CYCLES, 0x80080000, 4, 0x5e},
+	{SCORPION_EXCEPTIONS_INV_OPERATION, 0x8000000b, 4, 0x5c},
+	{SCORPION_EXCEPTIONS_DIV_BY_ZERO, 0x80000b00, 4, 0x5d},
+	{SCORPION_COND_INST_FAIL_VX_PIPE, 0x800b0000, 4, 0x5e},
+	{SCORPION_COND_INST_FAIL_VS_PIPE, 0x8b000000, 4, 0x5f},
+	{SCORPION_EXCEPTIONS_OVERFLOW, 0x8000000c, 4, 0x5c},
+	{SCORPION_EXCEPTIONS_UNDERFLOW, 0x80000c00, 4, 0x5d},
+	{SCORPION_EXCEPTIONS_DENORM, 0x8c000000, 4, 0x5f},
+
+#ifdef CONFIG_ARCH_MSM_SCORPIONMP
+    {SCORPIONMP_NUM_BARRIERS, 0x80000e00, 3, 0x59},
+    {SCORPIONMP_BARRIER_CYCLES, 0x800e0000, 3, 0x5a},
+#else
+	{SCORPION_BANK_AB_HIT, 0x80000001, 3, 0x58},
+	{SCORPION_BANK_AB_ACCESS, 0x80000100, 3, 0x59},
+	{SCORPION_BANK_CD_HIT, 0x80010000, 3, 0x5a},
+	{SCORPION_BANK_CD_ACCESS, 0x81000000, 3, 0x5b},
+	{SCORPION_BANK_AB_DSIDE_HIT, 0x80000002, 3, 0x58},
+	{SCORPION_BANK_AB_DSIDE_ACCESS, 0x80000200, 3, 0x59},
+	{SCORPION_BANK_CD_DSIDE_HIT, 0x80020000, 3, 0x5a},
+	{SCORPION_BANK_CD_DSIDE_ACCESS, 0x82000000, 3, 0x5b},
+	{SCORPION_BANK_AB_ISIDE_HIT, 0x80000003, 3, 0x58},
+	{SCORPION_BANK_AB_ISIDE_ACCESS, 0x80000300, 3, 0x59},
+	{SCORPION_BANK_CD_ISIDE_HIT, 0x80030000, 3, 0x5a},
+	{SCORPION_BANK_CD_ISIDE_ACCESS, 0x83000000, 3, 0x5b},
+	{SCORPION_ISIDE_RD_WAIT, 0x80000009, 3, 0x58},
+	{SCORPION_DSIDE_RD_WAIT, 0x80090000, 3, 0x5a},
+	{SCORPION_BANK_BYPASS_WRITE, 0x8000000a, 3, 0x58},
+	{SCORPION_BANK_AB_NON_CASTOUT, 0x8000000c, 3, 0x58},
+	{SCORPION_BANK_AB_L2_CASTOUT, 0x80000c00, 3, 0x59},
+	{SCORPION_BANK_CD_NON_CASTOUT, 0x800c0000, 3, 0x5a},
+	{SCORPION_BANK_CD_L2_CASTOUT, 0x8c000000, 3, 0x5b},
+#endif
+};
+
+static inline void scorpion_pmnc_write(u32 val)
+{
+	val &= PMNC_MASK;
+	asm volatile("mcr p15, 0, %0, c9, c12, 0" : : "r" (val));
+}
+
+static inline u32 scorpion_pmnc_read(void)
+{
+	u32 val;
+	asm volatile("mrc p15, 0, %0, c9, c12, 0" : "=r" (val));
+	return val;
+}
+
+static inline u32 scorpion_ccnt_read(void)
+{
+	u32 val;
+	asm volatile("mrc p15, 0, %0, c9, c13, 0" : "=r" (val));
+	return val;
+}
+
+static inline u32 scorpion_cntn_read(void)
+{
+	u32 val;
+	asm volatile("mrc p15, 0, %0, c9, c13, 2" : "=r" (val));
+	return val;
+}
+
+static inline u32 scorpion_pmnc_enable_counter(unsigned int cnt)
+{
+	u32 val;
+
+	if (cnt >= CNTMAX) {
+		pr_err("gator: CPU%u enabling wrong PMNC counter %d\n", smp_processor_id(), cnt);
+		return -1;
+	}
+
+	if (cnt == CCNT)
+		val = CCNT_REG;
+	else
+		val = (1 << (cnt - CNT0));
+
+	asm volatile("mcr p15, 0, %0, c9, c12, 1" : : "r" (val));
+
+	return cnt;
+}
+
+static inline u32 scorpion_pmnc_disable_counter(unsigned int cnt)
+{
+	u32 val;
+
+	if (cnt >= CNTMAX) {
+		pr_err("gator: CPU%u disabling wrong PMNC counter %d\n", smp_processor_id(), cnt);
+		return -1;
+	}
+
+	if (cnt == CCNT)
+		val = CCNT_REG;
+	else
+		val = (1 << (cnt - CNT0));
+
+	asm volatile("mcr p15, 0, %0, c9, c12, 2" : : "r" (val));
+
+	return cnt;
+}
+
+static inline int scorpion_pmnc_select_counter(unsigned int cnt)
+{
+	u32 val;
+
+	if ((cnt == CCNT) || (cnt >= CNTMAX)) {
+		pr_err("gator: CPU%u selecting wrong PMNC counter %d\n", smp_processor_id(), cnt);
+		return -1;
+	}
+
+	val = (cnt - CNT0);
+	asm volatile("mcr p15, 0, %0, c9, c12, 5" : : "r" (val));
+
+	return cnt;
+}
+
+static u32 scorpion_read_lpm0(void)
+{
+	u32 val;
+	asm volatile("mrc p15, 0, %0, c15, c0, 0" : "=r" (val));
+	return val;
+}
+
+static void scorpion_write_lpm0(u32 val)
+{
+	asm volatile("mcr p15, 0, %0, c15, c0, 0" : : "r" (val));
+}
+
+static u32 scorpion_read_lpm1(void)
+{
+	u32 val;
+	asm volatile("mrc p15, 1, %0, c15, c0, 0" : "=r" (val));
+	return val;
+}
+
+static void scorpion_write_lpm1(u32 val)
+{
+	asm volatile("mcr p15, 1, %0, c15, c0, 0" : : "r" (val));
+}
+
+static u32 scorpion_read_lpm2(void)
+{
+	u32 val;
+	asm volatile("mrc p15, 2, %0, c15, c0, 0" : "=r" (val));
+	return val;
+}
+
+static void scorpion_write_lpm2(u32 val)
+{
+	asm volatile("mcr p15, 2, %0, c15, c0, 0" : : "r" (val));
+}
+
+static u32 scorpion_read_l2lpm(void)
+{
+	u32 val;
+	asm volatile("mrc p15, 3, %0, c15, c2, 0" : "=r" (val));
+	return val;
+}
+
+static void scorpion_write_l2lpm(u32 val)
+{
+	asm volatile("mcr p15, 3, %0, c15, c2, 0" : : "r" (val));
+}
+
+static u32 scorpion_read_vlpm(void)
+{
+	u32 val;
+	asm volatile("mrc p10, 7, %0, c11, c0, 0" : "=r" (val));
+	return val;
+}
+
+static void scorpion_write_vlpm(u32 val)
+{
+	asm volatile("mcr p10, 7, %0, c11, c0, 0" : : "r" (val));
+}
+
+struct scorpion_access_funcs {
+	u32 (*read) (void);
+	void (*write) (u32);
+};
+
+struct scorpion_access_funcs scor_func[] = {
+	{scorpion_read_lpm0, scorpion_write_lpm0},
+	{scorpion_read_lpm1, scorpion_write_lpm1},
+	{scorpion_read_lpm2, scorpion_write_lpm2},
+	{scorpion_read_l2lpm, scorpion_write_l2lpm},
+	{scorpion_read_vlpm, scorpion_write_vlpm},
+};
+
+u32 venum_orig_val;
+u32 fp_orig_val;
+
+static void scorpion_pre_vlpm(void)
+{
+	u32 venum_new_val;
+	u32 fp_new_val;
+
+	/* CPACR Enable CP10 access*/
+	asm volatile("mrc p15, 0, %0, c1, c0, 2" : "=r" (venum_orig_val));
+	venum_new_val = venum_orig_val | 0x00300000;
+	asm volatile("mcr p15, 0, %0, c1, c0, 2" : : "r" (venum_new_val));
+	/* Enable FPEXC */
+	asm volatile("mrc p10, 7, %0, c8, c0, 0" : "=r" (fp_orig_val));
+	fp_new_val = fp_orig_val | 0x40000000;
+	asm volatile("mcr p10, 7, %0, c8, c0, 0" : : "r" (fp_new_val));
+}
+
+static void scorpion_post_vlpm(void)
+{
+	/* Restore FPEXC*/
+	asm volatile("mcr p10, 7, %0, c8, c0, 0" : : "r" (fp_orig_val));
+	/* Restore CPACR*/
+	asm volatile("mcr p15, 0, %0, c1, c0, 2" : : "r" (venum_orig_val));
+}
+
+#define COLMN0MASK 0x000000ff
+#define COLMN1MASK 0x0000ff00
+#define COLMN2MASK 0x00ff0000
+static u32 scorpion_get_columnmask(u32 setval)
+{
+	if (setval & COLMN0MASK)
+		return 0xffffff00;
+	else if (setval & COLMN1MASK)
+		return 0xffff00ff;
+	else if (setval & COLMN2MASK)
+		return 0xff00ffff;
+	else
+		return 0x80ffffff;
+}
+
+static void scorpion_evt_setup(u32 gr, u32 setval)
+{
+	u32 val;
+	if (gr == 4)
+		scorpion_pre_vlpm();
+	val = scorpion_get_columnmask(setval) & scor_func[gr].read();
+	val = val | setval;
+	scor_func[gr].write(val);
+	if (gr == 4)
+		scorpion_post_vlpm();
+}
+
+static int get_scorpion_evtinfo(unsigned int evt_type, struct scorp_evt *evtinfo)
+{
+	u32 idx;
+	if ((evt_type < 0x4c) || (evt_type >= MSM_MAX_EVT))
+		return 0;
+	idx = evt_type - 0x4c;
+	if (sc_evt[idx].evt_type == evt_type) {
+		evtinfo->val = sc_evt[idx].val;
+		evtinfo->grp = sc_evt[idx].grp;
+		evtinfo->evt_type_act = sc_evt[idx].evt_type_act;
+		return 1;
+	}
+	return 0;
+}
+
+static inline void scorpion_pmnc_write_evtsel(unsigned int cnt, u32 val)
+{
+	if (scorpion_pmnc_select_counter(cnt) == cnt) {
+		if (val < 0x40) {
+			asm volatile("mcr p15, 0, %0, c9, c13, 1" : : "r" (val));
+		} else {
+			u32 zero = 0;
+			struct scorp_evt evtinfo;
+			// extract evtinfo.grp and evtinfo.tevt_type_act from val
+			if (get_scorpion_evtinfo(val, &evtinfo) == 0) return;
+			asm volatile("mcr p15, 0, %0, c9, c13, 1" : : "r" (evtinfo.evt_type_act));
+			asm volatile("mcr p15, 0, %0, c9, c15, 0" : : "r" (zero));
+			scorpion_evt_setup(evtinfo.grp, val);
+		}
+	}
+}
+
+static void scorpion_pmnc_reset_counter(unsigned int cnt)
+{
+	u32 val = 0;
+
+	if (cnt == CCNT) {
+		scorpion_pmnc_disable_counter(cnt);
+
+		asm volatile("mcr p15, 0, %0, c9, c13, 0" : : "r" (val));
+
+		if (pmnc_enabled[cnt] != 0)
+		    scorpion_pmnc_enable_counter(cnt);
+
+	} else if (cnt >= CNTMAX) {
+		pr_err("gator: CPU%u resetting wrong PMNC counter %d\n", smp_processor_id(), cnt);
+	} else {
+		scorpion_pmnc_disable_counter(cnt);
+
+		if (scorpion_pmnc_select_counter(cnt) == cnt)
+		    asm volatile("mcr p15, 0, %0, c9, c13, 2" : : "r" (val));
+
+		if (pmnc_enabled[cnt] != 0)
+		    scorpion_pmnc_enable_counter(cnt);
+	}
+}
+
+static int gator_events_scorpion_create_files(struct super_block *sb, struct dentry *root)
+{
+	struct dentry *dir;
+	int i;
+
+	for (i = 0; i < pmnc_counters; i++) {
+		char buf[40];
+		if (i == 0) {
+			snprintf(buf, sizeof buf, "%s_ccnt", pmnc_name);
+		} else {
+			snprintf(buf, sizeof buf, "%s_cnt%d", pmnc_name, i-1);
+		}
+		dir = gatorfs_mkdir(sb, root, buf);
+		if (!dir) {
+			return -1;
+		}
+		gatorfs_create_ulong(sb, dir, "enabled", &pmnc_enabled[i]);
+		gatorfs_create_ro_ulong(sb, dir, "key", &pmnc_key[i]);		
+		if (i > 0) {
+			gatorfs_create_ulong(sb, dir, "event", &pmnc_event[i]);
+		}
+	}
+
+	return 0;
+}
+
+static int gator_events_scorpion_online(int** buffer)
+{
+	unsigned int cnt, len = 0, cpu = smp_processor_id();
+
+	if (scorpion_pmnc_read() & PMNC_E) {
+		scorpion_pmnc_write(scorpion_pmnc_read() & ~PMNC_E);
+	}
+
+	/* Initialize & Reset PMNC: C bit and P bit */
+	scorpion_pmnc_write(PMNC_P | PMNC_C);
+
+	for (cnt = CCNT; cnt < CNTMAX; cnt++) {
+		unsigned long event;
+
+		if (!pmnc_enabled[cnt])
+			continue;
+
+		// disable counter
+		scorpion_pmnc_disable_counter(cnt);
+
+		event = pmnc_event[cnt] & 255;
+
+		// Set event (if destined for PMNx counters), We don't need to set the event if it's a cycle count
+		if (cnt != CCNT)
+			scorpion_pmnc_write_evtsel(cnt, event);
+
+		// reset counter
+		scorpion_pmnc_reset_counter(cnt);
+
+		// Enable counter, do not enable interrupt for this counter
+		scorpion_pmnc_enable_counter(cnt);
+	}
+
+	// enable
+	scorpion_pmnc_write(scorpion_pmnc_read() | PMNC_E);
+
+	// read the counters and toss the invalid data, return zero instead
+	for (cnt = 0; cnt < pmnc_counters; cnt++) {
+		if (pmnc_enabled[cnt]) {
+			int value;
+			if (cnt == CCNT) {
+				value = scorpion_ccnt_read();
+			} else if (scorpion_pmnc_select_counter(cnt) == cnt) {
+				value = scorpion_cntn_read();
+			} else {
+				value = 0;
+			}
+			scorpion_pmnc_reset_counter(cnt);
+
+			per_cpu(perfCnt, cpu)[len++] = pmnc_key[cnt];
+			per_cpu(perfCnt, cpu)[len++] = 0;
+		}
+	}
+
+	if (buffer)
+		*buffer = per_cpu(perfCnt, cpu);
+
+	return len;
+}
+
+static int gator_events_scorpion_offline(int** buffer)
+{
+	scorpion_pmnc_write(scorpion_pmnc_read() & ~PMNC_E);
+	return 0;
+}
+
+static void gator_events_scorpion_stop(void)
+{
+	unsigned int cnt;
+
+	for (cnt = CCNT; cnt < CNTMAX; cnt++) {
+		pmnc_enabled[cnt] = 0;
+		pmnc_event[cnt] = 0;
+	}
+}
+
+static int gator_events_scorpion_read(int **buffer)
+{
+	int cnt, len = 0;
+	int cpu = smp_processor_id();
+
+	// a context switch may occur before the online hotplug event, thus need to check that the pmu is enabled
+	if (!(scorpion_pmnc_read() & PMNC_E)) {
+		return 0;
+	}
+
+	for (cnt = 0; cnt < pmnc_counters; cnt++) {
+		if (pmnc_enabled[cnt]) {
+			int value;
+			if (cnt == CCNT) {
+				value = scorpion_ccnt_read();
+			} else if (scorpion_pmnc_select_counter(cnt) == cnt) {
+				value = scorpion_cntn_read();
+			} else {
+				value = 0;
+			}
+			scorpion_pmnc_reset_counter(cnt);
+
+			per_cpu(perfCnt, cpu)[len++] = pmnc_key[cnt];
+			per_cpu(perfCnt, cpu)[len++] = value;
+		}
+	}
+
+	if (buffer)
+		*buffer = per_cpu(perfCnt, cpu);
+
+	return len;
+}
+
+static struct gator_interface gator_events_scorpion_interface = {
+	.create_files = gator_events_scorpion_create_files,
+	.stop = gator_events_scorpion_stop,
+	.online = gator_events_scorpion_online,
+	.offline = gator_events_scorpion_offline,
+	.read = gator_events_scorpion_read,
+};
+
+int gator_events_scorpion_init(void)
+{
+	unsigned int cnt;
+
+	switch (gator_cpuid()) {
+	case SCORPION:
+		pmnc_name = "Scorpion";
+		pmnc_counters = 4;
+		break;
+	case SCORPIONMP:
+		pmnc_name = "ScorpionMP";
+		pmnc_counters = 4;
+		break;
+	default:
+		return -1;
+	}
+
+	pmnc_counters++; // CNT[n] + CCNT
+
+	for (cnt = CCNT; cnt < CNTMAX; cnt++) {
+		pmnc_enabled[cnt] = 0;
+		pmnc_event[cnt] = 0;
+		pmnc_key[cnt] = gator_events_get_key();
+	}
+
+	return gator_events_install(&gator_events_scorpion_interface);
+}
+
+gator_events_init(gator_events_scorpion_init);
+
+#else
+int gator_events_scorpion_init(void)
+{
+	return -1;
+}
+#endif
diff --git a/drivers/gator/gator_fs.c b/drivers/gator/gator_fs.c
new file mode 100644
index 00000000000..39adfbecd06
--- /dev/null
+++ b/drivers/gator/gator_fs.c
@@ -0,0 +1,292 @@
+/**
+ * @file gatorfs.c
+ *
+ * @remark Copyright 2002 OProfile authors
+ * @remark Read the file COPYING
+ *
+ * @author John Levon
+ *
+ * A simple filesystem for configuration and
+ * access of oprofile.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/pagemap.h>
+#include <asm/uaccess.h>
+
+#define gatorfs_MAGIC 0x24051020
+#define TMPBUFSIZE 50
+DEFINE_SPINLOCK(gatorfs_lock);
+
+static struct inode *gatorfs_get_inode(struct super_block *sb, int mode)
+{
+	struct inode *inode = new_inode(sb);
+
+	if (inode) {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)
+		inode->i_ino = get_next_ino();
+#endif
+		inode->i_mode = mode;
+		inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
+	}
+	return inode;
+}
+
+static const struct super_operations s_ops = {
+	.statfs		= simple_statfs,
+	.drop_inode 	= generic_delete_inode,
+};
+
+ssize_t gatorfs_str_to_user(char const *str, char __user *buf, size_t count, loff_t *offset)
+{
+	return simple_read_from_buffer(buf, count, offset, str, strlen(str));
+}
+
+ssize_t gatorfs_ulong_to_user(unsigned long val, char __user *buf, size_t count, loff_t *offset)
+{
+	char tmpbuf[TMPBUFSIZE];
+	size_t maxlen = snprintf(tmpbuf, TMPBUFSIZE, "%lu\n", val);
+	if (maxlen > TMPBUFSIZE)
+		maxlen = TMPBUFSIZE;
+	return simple_read_from_buffer(buf, count, offset, tmpbuf, maxlen);
+}
+
+int gatorfs_ulong_from_user(unsigned long *val, char const __user *buf, size_t count)
+{
+	char tmpbuf[TMPBUFSIZE];
+	unsigned long flags;
+
+	if (!count)
+		return 0;
+
+	if (count > TMPBUFSIZE - 1)
+		return -EINVAL;
+
+	memset(tmpbuf, 0x0, TMPBUFSIZE);
+
+	if (copy_from_user(tmpbuf, buf, count))
+		return -EFAULT;
+
+	spin_lock_irqsave(&gatorfs_lock, flags);
+	*val = simple_strtoul(tmpbuf, NULL, 0);
+	spin_unlock_irqrestore(&gatorfs_lock, flags);
+	return 0;
+}
+
+static ssize_t ulong_read_file(struct file *file, char __user *buf, size_t count, loff_t *offset)
+{
+	unsigned long *val = file->private_data;
+	return gatorfs_ulong_to_user(*val, buf, count, offset);
+}
+
+static ssize_t ulong_write_file(struct file *file, char const __user *buf, size_t count, loff_t *offset)
+{
+	unsigned long *value = file->private_data;
+	int retval;
+
+	if (*offset)
+		return -EINVAL;
+
+	retval = gatorfs_ulong_from_user(value, buf, count);
+
+	if (retval)
+		return retval;
+	return count;
+}
+
+static int default_open(struct inode *inode, struct file *filp)
+{
+	if (inode->i_private)
+		filp->private_data = inode->i_private;
+	return 0;
+}
+
+static const struct file_operations ulong_fops = {
+	.read		= ulong_read_file,
+	.write		= ulong_write_file,
+	.open		= default_open,
+};
+
+static const struct file_operations ulong_ro_fops = {
+	.read		= ulong_read_file,
+	.open		= default_open,
+};
+
+static struct dentry *__gatorfs_create_file(struct super_block *sb,
+	struct dentry *root, char const *name, const struct file_operations *fops,
+	int perm)
+{
+	struct dentry *dentry;
+	struct inode *inode;
+
+	dentry = d_alloc_name(root, name);
+	if (!dentry)
+		return NULL;
+	inode = gatorfs_get_inode(sb, S_IFREG | perm);
+	if (!inode) {
+		dput(dentry);
+		return NULL;
+	}
+	inode->i_fop = fops;
+	d_add(dentry, inode);
+	return dentry;
+}
+
+int gatorfs_create_ulong(struct super_block *sb, struct dentry *root,
+	char const *name, unsigned long *val)
+{
+	struct dentry *d = __gatorfs_create_file(sb, root, name,
+						     &ulong_fops, 0644);
+	if (!d)
+		return -EFAULT;
+
+	d->d_inode->i_private = val;
+	return 0;
+}
+
+int gatorfs_create_ro_ulong(struct super_block *sb, struct dentry *root,
+	char const *name, unsigned long *val)
+{
+	struct dentry *d = __gatorfs_create_file(sb, root, name,
+						     &ulong_ro_fops, 0444);
+	if (!d)
+		return -EFAULT;
+
+	d->d_inode->i_private = val;
+	return 0;
+}
+
+static ssize_t atomic_read_file(struct file *file, char __user *buf, size_t count, loff_t *offset)
+{
+	atomic_t *val = file->private_data;
+	return gatorfs_ulong_to_user(atomic_read(val), buf, count, offset);
+}
+
+static const struct file_operations atomic_ro_fops = {
+	.read		= atomic_read_file,
+	.open		= default_open,
+};
+
+int gatorfs_create_ro_atomic(struct super_block *sb, struct dentry *root,
+	char const *name, atomic_t *val)
+{
+	struct dentry *d = __gatorfs_create_file(sb, root, name,
+						     &atomic_ro_fops, 0444);
+	if (!d)
+		return -EFAULT;
+
+	d->d_inode->i_private = val;
+	return 0;
+}
+
+int gatorfs_create_file(struct super_block *sb, struct dentry *root,
+	char const *name, const struct file_operations *fops)
+{
+	if (!__gatorfs_create_file(sb, root, name, fops, 0644))
+		return -EFAULT;
+	return 0;
+}
+
+int gatorfs_create_file_perm(struct super_block *sb, struct dentry *root,
+	char const *name, const struct file_operations *fops, int perm)
+{
+	if (!__gatorfs_create_file(sb, root, name, fops, perm))
+		return -EFAULT;
+	return 0;
+}
+
+struct dentry *gatorfs_mkdir(struct super_block *sb,
+	struct dentry *root, char const *name)
+{
+	struct dentry *dentry;
+	struct inode *inode;
+
+	dentry = d_alloc_name(root, name);
+	if (!dentry)
+		return NULL;
+	inode = gatorfs_get_inode(sb, S_IFDIR | 0755);
+	if (!inode) {
+		dput(dentry);
+		return NULL;
+	}
+	inode->i_op = &simple_dir_inode_operations;
+	inode->i_fop = &simple_dir_operations;
+	d_add(dentry, inode);
+	return dentry;
+}
+
+static int gatorfs_fill_super(struct super_block *sb, void *data, int silent)
+{
+	struct inode *root_inode;
+	struct dentry *root_dentry;
+
+	sb->s_blocksize = PAGE_CACHE_SIZE;
+	sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+	sb->s_magic = gatorfs_MAGIC;
+	sb->s_op = &s_ops;
+	sb->s_time_gran = 1;
+
+	root_inode = gatorfs_get_inode(sb, S_IFDIR | 0755);
+	if (!root_inode)
+		return -ENOMEM;
+	root_inode->i_op = &simple_dir_inode_operations;
+	root_inode->i_fop = &simple_dir_operations;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)
+	root_dentry = d_alloc_root(root_inode);
+#else
+	root_dentry = d_make_root(root_inode);
+#endif
+
+	if (!root_dentry) {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)
+		iput(root_inode);
+#endif
+		return -ENOMEM;
+	}
+
+	sb->s_root = root_dentry;
+
+	gator_op_create_files(sb, root_dentry);
+
+	// FIXME: verify kill_litter_super removes our dentries
+	return 0;
+}
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39)
+static int gatorfs_get_sb(struct file_system_type *fs_type,
+	int flags, const char *dev_name, void *data, struct vfsmount *mnt)
+{
+	return get_sb_single(fs_type, flags, data, gatorfs_fill_super, mnt);
+}
+#else
+static struct dentry *gatorfs_mount(struct file_system_type *fs_type,
+	int flags, const char *dev_name, void *data)
+{
+	return mount_nodev(fs_type, flags, data, gatorfs_fill_super);
+}
+#endif
+
+static struct file_system_type gatorfs_type = {
+	.owner		= THIS_MODULE,
+	.name		= "gatorfs",
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39)
+	 	.get_sb		= gatorfs_get_sb,
+#else
+	 	.mount		= gatorfs_mount,
+#endif
+
+	.kill_sb	= kill_litter_super,
+};
+
+int __init gatorfs_register(void)
+{
+	return register_filesystem(&gatorfs_type);
+}
+
+void gatorfs_unregister(void)
+{
+	unregister_filesystem(&gatorfs_type);
+}
diff --git a/drivers/gator/gator_hrtimer_gator.c b/drivers/gator/gator_hrtimer_gator.c
new file mode 100755
index 00000000000..846fba44cff
--- /dev/null
+++ b/drivers/gator/gator_hrtimer_gator.c
@@ -0,0 +1,97 @@
+/**
+ * Copyright (C) ARM Limited 2011-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+// gator_hrtimer_perf.c is used if perf is supported
+//   update, gator_hrtimer_gator.c always used until issues resolved with perf hrtimers
+#if 1
+
+void (*callback)(void);
+DEFINE_PER_CPU(struct hrtimer, percpu_hrtimer);
+DEFINE_PER_CPU(int, hrtimer_is_active);
+static ktime_t profiling_interval;
+static void gator_hrtimer_online(int cpu);
+static void gator_hrtimer_offline(int cpu);
+
+static enum hrtimer_restart gator_hrtimer_notify(struct hrtimer *hrtimer)
+{
+	hrtimer_forward_now(hrtimer, profiling_interval);
+	(*callback)();
+	return HRTIMER_RESTART;
+}
+
+static void gator_hrtimer_switch_cpus_online(void *unused)
+{
+	gator_hrtimer_online(smp_processor_id());
+}
+
+static void gator_hrtimer_online(int cpu)
+{
+	struct hrtimer *hrtimer = &per_cpu(percpu_hrtimer, cpu);
+
+	if (cpu != smp_processor_id()) {
+		smp_call_function_single(cpu, gator_hrtimer_switch_cpus_online, NULL, 1);
+		return;
+	}
+
+	if (per_cpu(hrtimer_is_active, cpu) || profiling_interval.tv64 == 0)
+		return;
+
+	per_cpu(hrtimer_is_active, cpu) = 1;
+	hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+	hrtimer->function = gator_hrtimer_notify;
+	hrtimer_start(hrtimer, profiling_interval, HRTIMER_MODE_REL_PINNED);
+}
+
+static void gator_hrtimer_switch_cpus_offline(void *unused)
+{
+	gator_hrtimer_offline(smp_processor_id());
+}
+
+static void gator_hrtimer_offline(int cpu)
+{
+	struct hrtimer *hrtimer = &per_cpu(percpu_hrtimer, cpu);
+
+	if (cpu != smp_processor_id()) {
+		smp_call_function_single(cpu, gator_hrtimer_switch_cpus_offline, NULL, 1);
+		return;
+	}
+
+	if (!per_cpu(hrtimer_is_active, cpu))
+		return;
+
+	per_cpu(hrtimer_is_active, cpu) = 0;
+	hrtimer_cancel(hrtimer);
+}
+
+static int gator_hrtimer_init(int interval, void (*func)(void))
+{
+	int cpu;
+
+	(callback) = (func);
+
+	for_each_present_cpu(cpu) {
+		per_cpu(hrtimer_is_active, cpu) = 0;
+	}
+
+	// calculate profiling interval
+	if (interval > 0) {
+		profiling_interval = ns_to_ktime(1000000000UL / interval);
+	} else {
+		profiling_interval.tv64 = 0;
+	}
+
+	return 0;
+}
+
+static void gator_hrtimer_shutdown(void)
+{
+	/* empty */
+}
+
+#endif
diff --git a/drivers/gator/gator_hrtimer_perf.c b/drivers/gator/gator_hrtimer_perf.c
new file mode 100755
index 00000000000..7c0333f6445
--- /dev/null
+++ b/drivers/gator/gator_hrtimer_perf.c
@@ -0,0 +1,113 @@
+/**
+ * Copyright (C) ARM Limited 2011-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+// gator_hrtimer_gator.c is used if perf is not supported
+//   update, gator_hrtimer_gator.c always used until issues resolved with perf hrtimers
+#if 0
+
+// Note: perf Cortex support added in 2.6.35 and PERF_COUNT_SW_CPU_CLOCK/hrtimer broken on 2.6.35 and 2.6.36
+//       not relevant as this code is not active until 3.0.0, but wanted to document the issue
+
+void (*callback)(void);
+static int profiling_interval;
+static DEFINE_PER_CPU(struct perf_event *, perf_hrtimer);
+static DEFINE_PER_CPU(struct perf_event_attr *, perf_hrtimer_attr);
+
+static void gator_hrtimer_shutdown(void);
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 1, 0)
+static void hrtimer_overflow_handler(struct perf_event *event, int unused, struct perf_sample_data *data, struct pt_regs *regs)
+#else
+static void hrtimer_overflow_handler(struct perf_event *event, struct perf_sample_data *data, struct pt_regs *regs)
+#endif
+{
+	(*callback)();
+}
+
+static int gator_online_single_hrtimer(int cpu)
+{
+	if (per_cpu(perf_hrtimer, cpu) != 0 || per_cpu(perf_hrtimer_attr, cpu) == 0)
+		return 0;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 1, 0)
+	per_cpu(perf_hrtimer, cpu) = perf_event_create_kernel_counter(per_cpu(perf_hrtimer_attr, cpu), cpu, 0, hrtimer_overflow_handler);
+#else
+	per_cpu(perf_hrtimer, cpu) = perf_event_create_kernel_counter(per_cpu(perf_hrtimer_attr, cpu), cpu, 0, hrtimer_overflow_handler, 0);
+#endif
+	if (IS_ERR(per_cpu(perf_hrtimer, cpu))) {
+		per_cpu(perf_hrtimer, cpu) = NULL;
+		return -1;
+	}
+
+	if (per_cpu(perf_hrtimer, cpu)->state != PERF_EVENT_STATE_ACTIVE) {
+		perf_event_release_kernel(per_cpu(perf_hrtimer, cpu));
+		per_cpu(perf_hrtimer, cpu) = NULL;
+		return -1;
+	}
+
+	return 0;
+}
+
+static void gator_hrtimer_online(int cpu)
+{
+	if (gator_online_single_hrtimer(cpu) < 0) {
+		pr_debug("gator: unable to online the hrtimer on cpu%d\n", cpu);
+	}
+}
+
+static void gator_hrtimer_offline(int cpu)
+{
+	if (per_cpu(perf_hrtimer, cpu)) {
+		perf_event_release_kernel(per_cpu(perf_hrtimer, cpu));
+		per_cpu(perf_hrtimer, cpu) = NULL;
+	}
+}
+
+static int gator_hrtimer_init(int interval, void (*func)(void))
+{
+	u32 size = sizeof(struct perf_event_attr);
+	int cpu;
+
+	callback = func;
+
+	// calculate profiling interval
+	profiling_interval = 1000000000 / interval;
+
+	for_each_present_cpu(cpu) {
+		per_cpu(perf_hrtimer, cpu) = 0;
+		per_cpu(perf_hrtimer_attr, cpu) = kmalloc(size, GFP_KERNEL);
+		if (per_cpu(perf_hrtimer_attr, cpu) == 0) {
+			gator_hrtimer_shutdown();
+			return -1;
+		}
+
+		memset(per_cpu(perf_hrtimer_attr, cpu), 0, size);
+		per_cpu(perf_hrtimer_attr, cpu)->type = PERF_TYPE_SOFTWARE;
+		per_cpu(perf_hrtimer_attr, cpu)->size = size;
+		per_cpu(perf_hrtimer_attr, cpu)->config = PERF_COUNT_SW_CPU_CLOCK;
+		per_cpu(perf_hrtimer_attr, cpu)->sample_period = profiling_interval;
+		per_cpu(perf_hrtimer_attr, cpu)->pinned = 1;
+	}
+
+	return 0;
+}
+
+static void gator_hrtimer_shutdown(void)
+{
+	int cpu;
+
+	for_each_present_cpu(cpu) {
+		if (per_cpu(perf_hrtimer_attr, cpu)) {
+			kfree(per_cpu(perf_hrtimer_attr, cpu));
+			per_cpu(perf_hrtimer_attr, cpu) = NULL;
+		}
+	}
+}
+
+#endif
diff --git a/drivers/gator/gator_main.c b/drivers/gator/gator_main.c
new file mode 100644
index 00000000000..988045f187d
--- /dev/null
+++ b/drivers/gator/gator_main.c
@@ -0,0 +1,1086 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+static unsigned long gator_protocol_version = 9;
+
+#include <linux/slab.h>
+#include <linux/cpu.h>
+#include <linux/sched.h>
+#include <linux/irq.h>
+#include <linux/vmalloc.h>
+#include <linux/hardirq.h>
+#include <linux/highmem.h>
+#include <linux/pagemap.h>
+#include <linux/suspend.h>
+#include <linux/module.h>
+#include <linux/perf_event.h>
+#include <asm/stacktrace.h>
+#include <asm/uaccess.h>
+
+#include "gator.h"
+#include "gator_events.h"
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 32)
+#error kernels prior to 2.6.32 are not supported
+#endif
+
+#if !defined(CONFIG_GENERIC_TRACER) && !defined(CONFIG_TRACING)
+#error gator requires the kernel to have CONFIG_GENERIC_TRACER or CONFIG_TRACING defined
+#endif
+
+#ifndef CONFIG_PROFILING
+#error gator requires the kernel to have CONFIG_PROFILING defined
+#endif
+
+#ifndef CONFIG_HIGH_RES_TIMERS
+#error gator requires the kernel to have CONFIG_HIGH_RES_TIMERS defined to support PC sampling
+#endif
+
+#if defined(__arm__) && defined(CONFIG_SMP) && !defined(CONFIG_LOCAL_TIMERS)
+#error gator requires the kernel to have CONFIG_LOCAL_TIMERS defined on SMP systems
+#endif
+
+#if (GATOR_PERF_SUPPORT) && (!(GATOR_PERF_PMU_SUPPORT))
+#ifndef CONFIG_PERF_EVENTS
+#warning gator requires the kernel to have CONFIG_PERF_EVENTS defined to support pmu hardware counters
+#elif !defined CONFIG_HW_PERF_EVENTS
+#warning gator requires the kernel to have CONFIG_HW_PERF_EVENTS defined to support pmu hardware counters
+#endif
+#endif
+
+/******************************************************************************
+ * DEFINES
+ ******************************************************************************/
+#define BACKTRACE_BUFFER_SIZE    (128*1024)
+#define COUNTER_BUFFER_SIZE      (128*1024)
+#define ANNOTATE_BUFFER_SIZE     (64*1024) // annotate  counters have the core as part of the data and the core value in the frame header may be discarded
+#define SCHED_TRACE_BUFFER_SIZE  (128*1024)
+#define GPU_TRACE_BUFFER_SIZE    (64*1024)
+#define COUNTER2_BUFFER_SIZE     (64*1024) // counters2 counters have the core as part of the data and the core value in the frame header may be discarded
+#define WFI_BUFFER_SIZE          (32*1024) // wfi       counters have the core as part of the data and the core value in the frame header may be discarded
+
+#define NO_COOKIE				0UL
+#define INVALID_COOKIE			~0UL
+
+#define FRAME_BACKTRACE     1
+#define FRAME_COUNTER       2
+#define FRAME_ANNOTATE      3
+#define FRAME_SCHED_TRACE   4
+#define FRAME_GPU_TRACE     5
+#define FRAME_COUNTER2      6
+#define FRAME_WFI           7
+
+#define MESSAGE_COOKIE              1
+#define MESSAGE_START_BACKTRACE     5
+#define MESSAGE_END_BACKTRACE       7
+#define MESSAGE_SUMMARY             9
+#define MESSAGE_PID_NAME            11
+
+#define MAXSIZE_PACK32		5
+#define MAXSIZE_PACK64		9
+
+#if defined(__arm__)
+#define PC_REG regs->ARM_pc
+#else
+#define PC_REG regs->ip
+#endif
+
+enum {BACKTRACE_BUF, COUNTER_BUF, SCHED_TRACE_BUF, GPU_TRACE_BUF, ANNOTATE_BUF, COUNTER2_BUF, WFI_BUF, NUM_GATOR_BUFS};
+
+/******************************************************************************
+ * Globals
+ ******************************************************************************/
+static unsigned long gator_cpu_cores;
+static unsigned long userspace_buffer_size;
+static unsigned long gator_backtrace_depth;
+
+static unsigned long gator_started;
+static unsigned long gator_buffer_opened;
+static unsigned long gator_timer_count;
+static unsigned long gator_response_type;
+static DEFINE_MUTEX(start_mutex);
+static DEFINE_MUTEX(gator_buffer_mutex);
+
+bool event_based_sampling;
+
+static DECLARE_WAIT_QUEUE_HEAD(gator_buffer_wait);
+static LIST_HEAD(gator_events);
+
+/******************************************************************************
+ * Prototypes
+ ******************************************************************************/
+static void buffer_check(int cpu, int buftype);
+static int buffer_bytes_available(int cpu, int buftype);
+static bool buffer_check_space(int cpu, int buftype, int bytes);
+static int contiguous_space_available(int cpu, int bufytpe);
+static void gator_buffer_write_packed_int(int cpu, int buftype, unsigned int x);
+static void gator_buffer_write_packed_int64(int cpu, int buftype, unsigned long long x);
+static void gator_buffer_write_bytes(int cpu, int buftype, char *x, int len);
+static void gator_buffer_write_string(int cpu, int buftype, char *x);
+static void gator_add_trace(int cpu, int buftype, unsigned int address);
+static void gator_add_sample(int cpu, int buftype, struct pt_regs * const regs);
+static uint64_t gator_get_time(void);
+
+static uint32_t gator_buffer_size[NUM_GATOR_BUFS];
+static uint32_t gator_buffer_mask[NUM_GATOR_BUFS];
+static DEFINE_PER_CPU(int[NUM_GATOR_BUFS], gator_buffer_read);
+static DEFINE_PER_CPU(int[NUM_GATOR_BUFS], gator_buffer_write);
+static DEFINE_PER_CPU(int[NUM_GATOR_BUFS], gator_buffer_commit);
+static DEFINE_PER_CPU(int[NUM_GATOR_BUFS], buffer_space_available);
+static DEFINE_PER_CPU(char *[NUM_GATOR_BUFS], gator_buffer);
+
+/******************************************************************************
+ * Application Includes
+ ******************************************************************************/
+#include "gator_marshaling.c"
+#include "gator_hrtimer_perf.c"
+#include "gator_hrtimer_gator.c"
+#include "gator_cookies.c"
+#include "gator_trace_sched.c"
+#include "gator_trace_power.c"
+#include "gator_trace_gpu.c"
+#include "gator_backtrace.c"
+#include "gator_annotate.c"
+#include "gator_fs.c"
+#include "gator_ebs.c"
+#include "gator_pack.c"
+
+/******************************************************************************
+ * Misc
+ ******************************************************************************/
+#if defined(__arm__)
+u32 gator_cpuid(void)
+{
+	u32 val;
+	asm volatile("mrc p15, 0, %0, c0, c0, 0" : "=r" (val));
+	return (val >> 4) & 0xfff;
+}
+#endif
+
+/******************************************************************************
+ * Commit interface
+ ******************************************************************************/
+static bool buffer_commit_ready(int* cpu, int* buftype)
+{
+	int cpu_x, x;
+	for_each_present_cpu(cpu_x) {
+		for (x = 0; x < NUM_GATOR_BUFS; x++)
+			if (per_cpu(gator_buffer_commit, cpu_x)[x] != per_cpu(gator_buffer_read, cpu_x)[x]) {
+				*cpu = cpu_x;
+				*buftype = x;
+				return true;
+			}
+	}
+	return false;
+}
+
+/******************************************************************************
+ * Buffer management
+ ******************************************************************************/
+static int buffer_bytes_available(int cpu, int buftype)
+{
+	int remaining, filled;
+
+	filled = per_cpu(gator_buffer_write, cpu)[buftype] - per_cpu(gator_buffer_read, cpu)[buftype];
+	if (filled < 0) {
+		filled += gator_buffer_size[buftype];
+	}
+
+	remaining = gator_buffer_size[buftype] - filled;
+
+	if (per_cpu(buffer_space_available, cpu)[buftype]) {
+		// Give some extra room; also allows space to insert the overflow error packet
+		remaining -= 200;
+	} else {
+		// Hysteresis, prevents multiple overflow messages
+		remaining -= 2000;
+	}
+
+	return remaining;
+}
+
+static int contiguous_space_available(int cpu, int buftype)
+{
+	int remaining = buffer_bytes_available(cpu, buftype);
+	int contiguous = gator_buffer_size[buftype] - per_cpu(gator_buffer_write, cpu)[buftype];
+	if (remaining < contiguous)
+		return remaining;
+	else
+		return contiguous;
+}
+
+static bool buffer_check_space(int cpu, int buftype, int bytes)
+{
+	int remaining = buffer_bytes_available(cpu, buftype);
+
+	if (remaining < bytes) {
+		per_cpu(buffer_space_available, cpu)[buftype] = false;
+	} else {
+		per_cpu(buffer_space_available, cpu)[buftype] = true;
+	}
+
+	return per_cpu(buffer_space_available, cpu)[buftype];
+}
+
+static void gator_buffer_write_bytes(int cpu, int buftype, char *x, int len)
+{
+	int i;
+	u32 write = per_cpu(gator_buffer_write, cpu)[buftype];
+	u32 mask = gator_buffer_mask[buftype];
+	char* buffer = per_cpu(gator_buffer, cpu)[buftype];
+
+	for (i = 0; i < len; i++) {
+		buffer[write] = x[i];
+		write = (write + 1) & mask;
+	}
+
+	per_cpu(gator_buffer_write, cpu)[buftype] = write;
+}
+
+static void gator_buffer_write_string(int cpu, int buftype, char *x)
+{
+	int len = strlen(x);
+	gator_buffer_write_packed_int(cpu, buftype, len);
+	gator_buffer_write_bytes(cpu, buftype, x, len);
+}
+
+static void gator_buffer_header(int cpu, int buftype)
+{
+	int frame;
+
+	if (buftype == BACKTRACE_BUF)
+		frame = FRAME_BACKTRACE;
+	else if (buftype == COUNTER_BUF)
+		frame = FRAME_COUNTER;
+	else if (buftype == ANNOTATE_BUF)
+		frame = FRAME_ANNOTATE;
+	else if (buftype == SCHED_TRACE_BUF)
+		frame = FRAME_SCHED_TRACE;
+	else if (buftype == GPU_TRACE_BUF)
+		frame = FRAME_GPU_TRACE;
+	else if (buftype == COUNTER2_BUF)
+		frame = FRAME_COUNTER2;
+	else if (buftype == WFI_BUF)
+		frame = FRAME_WFI;
+	else
+		frame = -1;
+
+	if (per_cpu(gator_buffer, cpu)[buftype]) {
+		marshal_frame(cpu, buftype, frame);
+	}
+}
+
+static void gator_commit_buffer(int cpu, int buftype)
+{
+	if (!per_cpu(gator_buffer, cpu)[buftype])
+		return;
+
+	per_cpu(gator_buffer_commit, cpu)[buftype] = per_cpu(gator_buffer_write, cpu)[buftype];
+	gator_buffer_header(cpu, buftype);
+	wake_up(&gator_buffer_wait);
+}
+
+static void buffer_check(int cpu, int buftype)
+{
+	int filled = per_cpu(gator_buffer_write, cpu)[buftype] - per_cpu(gator_buffer_commit, cpu)[buftype];
+	if (filled < 0) {
+		filled += gator_buffer_size[buftype];
+	}
+	if (filled >= ((gator_buffer_size[buftype] * 3) / 4)) {
+		gator_commit_buffer(cpu, buftype);
+	}
+}
+
+static void gator_add_trace(int cpu, int buftype, unsigned int address)
+{
+	off_t offset = 0;
+	unsigned long cookie = get_address_cookie(cpu, buftype, current, address & ~1, &offset);
+
+	if (cookie == NO_COOKIE || cookie == INVALID_COOKIE) {
+		offset = address;
+	}
+
+	marshal_backtrace(offset & ~1, cookie);
+}
+
+static void gator_add_sample(int cpu, int buftype, struct pt_regs * const regs)
+{
+	int inKernel = regs ? !user_mode(regs) : 1;
+	unsigned long exec_cookie = inKernel ? NO_COOKIE : get_exec_cookie(cpu, buftype, current);
+
+	if (!regs)
+		return;
+
+	if (!marshal_backtrace_header(exec_cookie, current->tgid, current->pid, inKernel))
+		return;
+
+	if (inKernel) {
+		kernel_backtrace(cpu, buftype, regs);
+	} else {
+		// Cookie+PC
+		gator_add_trace(cpu, buftype, PC_REG);
+
+		// Backtrace
+		if (gator_backtrace_depth)
+			arm_backtrace_eabi(cpu, buftype, regs, gator_backtrace_depth);
+	}
+
+	marshal_backtrace_footer();
+}
+
+/******************************************************************************
+ * hrtimer interrupt processing
+ ******************************************************************************/
+static void gator_timer_interrupt(void)
+{
+	struct pt_regs * const regs = get_irq_regs();
+	int cpu = smp_processor_id();
+
+	// Output backtrace
+	gator_add_sample(cpu, BACKTRACE_BUF, regs);
+
+	// Collect counters
+	collect_counters();
+}
+
+static int gator_running;
+
+// This function runs in interrupt context and on the appropriate core
+static void gator_timer_offline(void* unused)
+{
+	struct gator_interface *gi;
+	int i, len, cpu = smp_processor_id();
+	int* buffer;
+
+	gator_trace_sched_offline();
+	gator_trace_power_offline();
+
+	gator_hrtimer_offline(cpu);
+
+	// Offline any events and output counters
+	if (marshal_event_header()) {
+		list_for_each_entry(gi, &gator_events, list) {
+			if (gi->offline) {
+				len = gi->offline(&buffer);
+				marshal_event(len, buffer);
+			}
+		}
+	}
+
+	// Flush all buffers on this core
+	for (i = 0; i < NUM_GATOR_BUFS; i++)
+		gator_commit_buffer(cpu, i);
+}
+
+// This function runs in process context and may be running on a core other than core 'cpu'
+static void gator_timer_offline_dispatch(int cpu)
+{
+	struct gator_interface *gi;
+
+	list_for_each_entry(gi, &gator_events, list)
+		if (gi->offline_dispatch)
+			gi->offline_dispatch(cpu);
+
+	gator_event_sampling_offline_dispatch(cpu);
+}
+
+static void gator_timer_stop(void)
+{
+	int cpu;
+
+	if (gator_running) {
+		on_each_cpu(gator_timer_offline, NULL, 1);
+		for_each_online_cpu(cpu) {
+			gator_timer_offline_dispatch(cpu);
+		}
+
+		gator_running = 0;
+		gator_hrtimer_shutdown();
+	}
+}
+
+// This function runs in interrupt context and on the appropriate core
+static void gator_timer_online(void* unused)
+{
+	struct gator_interface *gi;
+	int len, cpu = smp_processor_id();
+	int* buffer;
+
+	gator_trace_power_online();
+
+	// online any events and output counters
+	if (marshal_event_header()) {
+		list_for_each_entry(gi, &gator_events, list) {
+			if (gi->online) {
+				len = gi->online(&buffer);
+				marshal_event(len, buffer);
+			}
+		}
+	}
+
+	gator_hrtimer_online(cpu);
+}
+
+// This function runs in interrupt context and may be running on a core other than core 'cpu'
+static void gator_timer_online_dispatch(int cpu)
+{
+	struct gator_interface *gi;
+
+	list_for_each_entry(gi, &gator_events, list)
+		if (gi->online_dispatch)
+			gi->online_dispatch(cpu);
+
+	gator_event_sampling_online_dispatch(cpu);
+}
+
+int gator_timer_start(unsigned long sample_rate)
+{
+	int cpu;
+
+	if (gator_running) {
+		pr_notice("gator: already running\n");
+		return 0;
+	}
+
+	gator_running = 1;
+
+	// event based sampling trumps hr timer based sampling
+	if (event_based_sampling)
+		sample_rate = 0;
+
+	if (gator_hrtimer_init(sample_rate, gator_timer_interrupt) == -1)
+		return -1;
+
+	for_each_online_cpu(cpu) {
+		gator_timer_online_dispatch(cpu);
+	}
+	on_each_cpu(gator_timer_online, NULL, 1);
+
+	return 0;
+}
+
+static uint64_t gator_get_time(void)
+{
+	struct timespec ts;
+	uint64_t timestamp;
+
+	getnstimeofday(&ts);
+	timestamp = timespec_to_ns(&ts);
+
+	return timestamp;
+}
+
+/******************************************************************************
+ * cpu hotplug and pm notifiers
+ ******************************************************************************/
+static int __cpuinit gator_hotcpu_notify(struct notifier_block *self, unsigned long action, void *hcpu)
+{
+	long cpu = (long)hcpu;
+
+	switch (action) {
+		case CPU_DOWN_PREPARE:
+		case CPU_DOWN_PREPARE_FROZEN:
+			smp_call_function_single(cpu, gator_timer_offline, NULL, 1);
+			gator_timer_offline_dispatch(cpu);
+			break;
+		case CPU_ONLINE:
+		case CPU_ONLINE_FROZEN:
+			gator_timer_online_dispatch(cpu);
+			smp_call_function_single(cpu, gator_timer_online, NULL, 1);
+			break;
+	}
+
+	return NOTIFY_OK;
+}
+
+static struct notifier_block __refdata gator_hotcpu_notifier = {
+	.notifier_call = gator_hotcpu_notify,
+};
+
+// n.b. calling "on_each_cpu" only runs on those that are online
+// Registered linux events are not disabled, so their counters will continue to collect
+static int gator_pm_notify(struct notifier_block *nb, unsigned long event, void *dummy)
+{
+	int cpu;
+
+	switch (event) {
+		case PM_HIBERNATION_PREPARE:
+		case PM_SUSPEND_PREPARE:
+			unregister_hotcpu_notifier(&gator_hotcpu_notifier);
+			unregister_scheduler_tracepoints();
+			on_each_cpu(gator_timer_offline, NULL, 1);
+			for_each_online_cpu(cpu) {
+				gator_timer_offline_dispatch(cpu);
+			}
+			break;
+		case PM_POST_HIBERNATION:
+		case PM_POST_SUSPEND:
+			for_each_online_cpu(cpu) {
+				gator_timer_online_dispatch(cpu);
+			}
+			on_each_cpu(gator_timer_online, NULL, 1);
+			register_scheduler_tracepoints();
+			register_hotcpu_notifier(&gator_hotcpu_notifier);
+			break;
+	}
+
+	return NOTIFY_OK;
+}
+
+static struct notifier_block gator_pm_notifier = {
+	.notifier_call = gator_pm_notify,
+};
+
+static int gator_notifier_start(void)
+{
+	int retval;
+	retval = register_hotcpu_notifier(&gator_hotcpu_notifier);
+	if (retval == 0)
+		retval = register_pm_notifier(&gator_pm_notifier);
+	return retval;
+}
+
+static void gator_notifier_stop(void)
+{
+	unregister_pm_notifier(&gator_pm_notifier);
+	unregister_hotcpu_notifier(&gator_hotcpu_notifier);
+}
+
+/******************************************************************************
+ * Main
+ ******************************************************************************/
+static void gator_summary(void)
+{
+	uint64_t timestamp, uptime = 0;
+	struct timespec uptime_ts;
+	void (*m2b)(struct timespec *ts);
+
+	timestamp = gator_get_time();
+
+	do_posix_clock_monotonic_gettime(&uptime_ts);
+	m2b = symbol_get(monotonic_to_bootbased);
+	if (m2b) {
+		m2b(&uptime_ts);
+		uptime = (long long)uptime_ts.tv_sec * 1000000000 + uptime_ts.tv_nsec;
+	}
+
+	marshal_summary(timestamp, uptime);
+}
+
+int gator_events_install(struct gator_interface *interface)
+{
+	list_add_tail(&interface->list, &gator_events);
+
+	return 0;
+}
+
+int gator_events_get_key(void)
+{
+	// key of zero is reserved as a timestamp
+	static int key = 1;
+
+	return key++;
+}
+
+static int gator_init(void)
+{
+	int i;
+
+	// events sources (gator_events.h, generated by gator_events.sh)
+	for (i = 0; i < ARRAY_SIZE(gator_events_list); i++)
+		if (gator_events_list[i])
+			gator_events_list[i]();
+
+	gator_trace_power_init();
+
+	return 0;
+}
+
+static int gator_start(void)
+{
+	unsigned long cpu, i;
+	struct gator_interface *gi;
+
+	// Initialize the buffer with the frame type and core
+	for_each_present_cpu(cpu) {
+		for (i = 0; i < NUM_GATOR_BUFS; i++) {
+			gator_buffer_header(cpu, i);
+		}
+	}
+
+	// Capture the start time  
+	gator_summary();
+
+	// start all events
+	list_for_each_entry(gi, &gator_events, list) {
+		if (gi->start && gi->start() != 0) {
+			struct list_head *ptr = gi->list.prev;
+
+			while (ptr != &gator_events) {
+				gi = list_entry(ptr, struct gator_interface, list);
+
+				if (gi->stop)
+					gi->stop();
+
+				ptr = ptr->prev;
+			}
+			goto events_failure;
+		}
+	}
+
+	// cookies shall be initialized before trace_sched_start() and gator_timer_start()
+	if (cookies_initialize())
+		goto cookies_failure;
+	if (gator_annotate_start())
+		goto annotate_failure;
+	if (gator_trace_sched_start())
+		goto sched_failure;
+	if (gator_trace_power_start())
+		goto power_failure;
+	if (gator_trace_gpu_start())
+		goto gpu_failure;
+	if (gator_event_sampling_start())
+		goto event_sampling_failure;
+	if (gator_timer_start(gator_timer_count))
+		goto timer_failure;
+	if (gator_notifier_start())
+		goto notifier_failure;
+
+	return 0;
+
+notifier_failure:
+	gator_timer_stop();
+timer_failure:
+	gator_event_sampling_stop();
+event_sampling_failure:
+	gator_trace_gpu_stop();
+gpu_failure:
+	gator_trace_power_stop();
+power_failure:
+	gator_trace_sched_stop();
+sched_failure:
+	gator_annotate_stop();
+annotate_failure:
+	cookies_release();
+cookies_failure:
+	// stop all events
+	list_for_each_entry(gi, &gator_events, list)
+		if (gi->stop)
+			gi->stop();
+events_failure:
+
+	return -1;
+}
+
+static void gator_stop(void)
+{
+	struct gator_interface *gi;
+
+	// stop all events
+	list_for_each_entry(gi, &gator_events, list)
+		if (gi->stop)
+			gi->stop();
+
+	gator_annotate_stop();
+	gator_trace_sched_stop();
+	gator_trace_power_stop();
+	gator_trace_gpu_stop();
+	gator_event_sampling_stop();
+
+	// stop all interrupt callback reads before tearing down other interfaces
+	gator_notifier_stop(); // should be called before gator_timer_stop to avoid re-enabling the hrtimer after it has been offlined
+	gator_timer_stop();
+}
+
+/******************************************************************************
+ * Filesystem
+ ******************************************************************************/
+/* fopen("buffer") */
+static int gator_op_setup(void)
+{
+	int err = 0;
+	int cpu, i;
+
+	mutex_lock(&start_mutex);
+
+	gator_buffer_size[BACKTRACE_BUF] = BACKTRACE_BUFFER_SIZE;
+	gator_buffer_mask[BACKTRACE_BUF] = BACKTRACE_BUFFER_SIZE - 1;
+
+	gator_buffer_size[COUNTER_BUF] = COUNTER_BUFFER_SIZE;
+	gator_buffer_mask[COUNTER_BUF] = COUNTER_BUFFER_SIZE - 1;
+
+	gator_buffer_size[SCHED_TRACE_BUF] = SCHED_TRACE_BUFFER_SIZE;
+	gator_buffer_mask[SCHED_TRACE_BUF] = SCHED_TRACE_BUFFER_SIZE - 1;
+
+	gator_buffer_size[GPU_TRACE_BUF] = GPU_TRACE_BUFFER_SIZE;
+	gator_buffer_mask[GPU_TRACE_BUF] = GPU_TRACE_BUFFER_SIZE - 1;
+
+	gator_buffer_size[ANNOTATE_BUF] = ANNOTATE_BUFFER_SIZE;
+	gator_buffer_mask[ANNOTATE_BUF] = ANNOTATE_BUFFER_SIZE - 1;
+
+	gator_buffer_size[COUNTER2_BUF] = COUNTER2_BUFFER_SIZE;
+	gator_buffer_mask[COUNTER2_BUF] = COUNTER2_BUFFER_SIZE - 1;
+
+	gator_buffer_size[WFI_BUF] = WFI_BUFFER_SIZE;
+	gator_buffer_mask[WFI_BUF] = WFI_BUFFER_SIZE - 1;
+
+	// Initialize percpu per buffer variables
+	for (i = 0; i < NUM_GATOR_BUFS; i++) {
+		// Verify buffers are a power of 2
+		if (gator_buffer_size[i] & (gator_buffer_size[i] - 1)) {
+			err = -ENOEXEC;
+			goto setup_error;
+		}
+
+		for_each_present_cpu(cpu) {
+			per_cpu(gator_buffer_read, cpu)[i] = 0;
+			per_cpu(gator_buffer_write, cpu)[i] = 0;
+			per_cpu(gator_buffer_commit, cpu)[i] = 0;
+			per_cpu(buffer_space_available, cpu)[i] = true;
+
+			// Annotation is a special case that only uses a single buffer
+			if (cpu > 0 && i == ANNOTATE_BUF) {
+				per_cpu(gator_buffer, cpu)[i] = NULL;
+				continue;
+			}
+
+			per_cpu(gator_buffer, cpu)[i] = vmalloc(gator_buffer_size[i]);
+			if (!per_cpu(gator_buffer, cpu)[i]) {
+				err = -ENOMEM;
+				goto setup_error;
+			}
+		}
+	}
+
+setup_error:
+	mutex_unlock(&start_mutex);
+	return err;
+}
+
+/* Actually start profiling (echo 1>/dev/gator/enable) */
+static int gator_op_start(void)
+{
+	int err = 0;
+
+	mutex_lock(&start_mutex);
+
+	if (gator_started || gator_start())
+		err = -EINVAL;
+	else
+		gator_started = 1;
+
+	mutex_unlock(&start_mutex);
+
+	return err;
+}
+
+/* echo 0>/dev/gator/enable */
+static void gator_op_stop(void)
+{
+	mutex_lock(&start_mutex);
+
+	if (gator_started) {
+		gator_stop();
+
+		mutex_lock(&gator_buffer_mutex);
+
+		gator_started = 0;
+		cookies_release();
+		wake_up(&gator_buffer_wait);
+
+		mutex_unlock(&gator_buffer_mutex);
+	}
+
+	mutex_unlock(&start_mutex);
+}
+
+static void gator_shutdown(void)
+{
+	int cpu, i;
+
+	mutex_lock(&start_mutex);
+
+	for_each_present_cpu(cpu) {
+		mutex_lock(&gator_buffer_mutex);
+		for (i = 0; i < NUM_GATOR_BUFS; i++) {
+			vfree(per_cpu(gator_buffer, cpu)[i]);
+			per_cpu(gator_buffer, cpu)[i] = NULL;
+			per_cpu(gator_buffer_read, cpu)[i] = 0;
+			per_cpu(gator_buffer_write, cpu)[i] = 0;
+			per_cpu(gator_buffer_commit, cpu)[i] = 0;
+			per_cpu(buffer_space_available, cpu)[i] = true;
+		}
+		mutex_unlock(&gator_buffer_mutex);
+	}
+
+	mutex_unlock(&start_mutex);
+}
+
+static int gator_set_backtrace(unsigned long val)
+{
+	int err = 0;
+
+	mutex_lock(&start_mutex);
+
+	if (gator_started)
+		err = -EBUSY;
+	else
+		gator_backtrace_depth = val;
+
+	mutex_unlock(&start_mutex);
+
+	return err;
+}
+
+static ssize_t enable_read(struct file *file, char __user *buf, size_t count, loff_t *offset)
+{
+	return gatorfs_ulong_to_user(gator_started, buf, count, offset);
+}
+
+static ssize_t enable_write(struct file *file, char const __user *buf, size_t count, loff_t *offset)
+{
+	unsigned long val;
+	int retval;
+
+	if (*offset)
+		return -EINVAL;
+
+	retval = gatorfs_ulong_from_user(&val, buf, count);
+	if (retval)
+		return retval;
+
+	if (val)
+		retval = gator_op_start();
+	else
+		gator_op_stop();
+
+	if (retval)
+		return retval;
+	return count;
+}
+
+static const struct file_operations enable_fops = {
+	.read		= enable_read,
+	.write		= enable_write,
+};
+
+static int userspace_buffer_open(struct inode *inode, struct file *file)
+{
+	int err = -EPERM;
+
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
+	if (test_and_set_bit_lock(0, &gator_buffer_opened))
+		return -EBUSY;
+
+	if ((err = gator_op_setup()))
+		goto fail;
+
+	/* NB: the actual start happens from userspace
+	 * echo 1 >/dev/gator/enable
+	 */
+
+	return 0;
+
+fail:
+	__clear_bit_unlock(0, &gator_buffer_opened);
+	return err;
+}
+
+static int userspace_buffer_release(struct inode *inode, struct file *file)
+{
+	gator_op_stop();
+	gator_shutdown();
+	__clear_bit_unlock(0, &gator_buffer_opened);
+	return 0;
+}
+
+static ssize_t userspace_buffer_read(struct file *file, char __user *buf,
+				 size_t count, loff_t *offset)
+{
+	int retval = -EINVAL;
+	int commit = 0, length, length1, length2, read, byte, type_length;
+	char *buffer1;
+	char *buffer2 = NULL;
+	int cpu, buftype;
+
+	/* do not handle partial reads */
+	if (count != userspace_buffer_size || *offset)
+		return -EINVAL;
+
+	// sleep until the condition is true or a signal is received
+	// the condition is checked each time gator_buffer_wait is woken up
+	buftype = cpu = -1;
+	wait_event_interruptible(gator_buffer_wait, buffer_commit_ready(&cpu, &buftype) || !gator_started);
+
+	if (signal_pending(current))
+		return -EINTR;
+
+	length2 = 0;
+	retval = -EFAULT;
+
+	mutex_lock(&gator_buffer_mutex);
+
+	if (buftype == -1 || cpu == -1) {
+		retval = 0;
+		goto out;
+	}
+
+	read = per_cpu(gator_buffer_read, cpu)[buftype];
+	commit = per_cpu(gator_buffer_commit, cpu)[buftype];
+
+	/* May happen if the buffer is freed during pending reads. */
+	if (!per_cpu(gator_buffer, cpu)[buftype]) {
+		retval = -EFAULT;
+		goto out;
+	}
+
+	/* determine the size of two halves */
+	length1 = commit - read;
+	buffer1 = &(per_cpu(gator_buffer, cpu)[buftype][read]);
+	buffer2 = &(per_cpu(gator_buffer, cpu)[buftype][0]);
+	if (length1 < 0) {
+		length1 = gator_buffer_size[buftype] - read;
+		length2 = commit;
+	}
+
+	// post-populate the length, which does not include the response type length nor the length itself, i.e. only the length of the payload
+	type_length = gator_response_type ? 1 : 0;
+	length = length1 + length2 - type_length - sizeof(int);
+	for (byte = 0; byte < sizeof(int); byte++) {
+		per_cpu(gator_buffer, cpu)[buftype][(read + type_length + byte) & gator_buffer_mask[buftype]] = (length >> byte * 8) & 0xFF;
+	}
+
+	/* start, middle or end */
+	if (length1 > 0) {
+		if (copy_to_user(&buf[0], buffer1, length1)) {
+			goto out;
+		}
+	}
+
+	/* possible wrap around */
+	if (length2 > 0) {
+		if (copy_to_user(&buf[length1], buffer2, length2)) {
+			goto out;
+		}
+	}
+
+	per_cpu(gator_buffer_read, cpu)[buftype] = commit;
+	retval = length1 + length2;
+
+	/* kick just in case we've lost an SMP event */
+	wake_up(&gator_buffer_wait);
+
+out:
+	mutex_unlock(&gator_buffer_mutex);
+	return retval;
+}
+
+const struct file_operations gator_event_buffer_fops = {
+	.open		= userspace_buffer_open,
+	.release	= userspace_buffer_release,
+	.read		= userspace_buffer_read,
+};
+
+static ssize_t depth_read(struct file *file, char __user *buf, size_t count, loff_t *offset)
+{
+	return gatorfs_ulong_to_user(gator_backtrace_depth, buf, count,
+					offset);
+}
+
+static ssize_t depth_write(struct file *file, char const __user *buf, size_t count, loff_t *offset)
+{
+	unsigned long val;
+	int retval;
+
+	if (*offset)
+		return -EINVAL;
+
+	retval = gatorfs_ulong_from_user(&val, buf, count);
+	if (retval)
+		return retval;
+
+	retval = gator_set_backtrace(val);
+
+	if (retval)
+		return retval;
+	return count;
+}
+
+static const struct file_operations depth_fops = {
+	.read		= depth_read,
+	.write		= depth_write
+};
+
+void gator_op_create_files(struct super_block *sb, struct dentry *root)
+{
+	struct dentry *dir;
+	struct gator_interface *gi;
+	int cpu;
+
+	/* reinitialize default values */
+	gator_cpu_cores = 0;
+	for_each_present_cpu(cpu) {
+		gator_cpu_cores++;
+	}
+	userspace_buffer_size =	BACKTRACE_BUFFER_SIZE;
+	gator_response_type = 1;
+
+	gatorfs_create_file(sb, root, "enable", &enable_fops);
+	gatorfs_create_file(sb, root, "buffer", &gator_event_buffer_fops);
+	gatorfs_create_file(sb, root, "backtrace_depth", &depth_fops);
+	gatorfs_create_ulong(sb, root, "cpu_cores", &gator_cpu_cores);
+	gatorfs_create_ulong(sb, root, "buffer_size", &userspace_buffer_size);
+	gatorfs_create_ulong(sb, root, "tick", &gator_timer_count);
+	gatorfs_create_ulong(sb, root, "response_type", &gator_response_type);
+	gatorfs_create_ro_ulong(sb, root, "version", &gator_protocol_version);
+
+	// Annotate interface
+	gator_annotate_create_files(sb, root);
+
+	// Linux Events
+	dir = gatorfs_mkdir(sb, root, "events");
+	list_for_each_entry(gi, &gator_events, list)
+		if (gi->create_files)
+			gi->create_files(sb, dir);
+
+	// Power interface
+	gator_trace_power_create_files(sb, dir);
+}
+
+/******************************************************************************
+ * Module
+ ******************************************************************************/
+static int __init gator_module_init(void)
+{
+	if (gatorfs_register()) {
+		return -1;
+	}
+
+	if (gator_init()) {
+		gatorfs_unregister();
+		return -1;
+	}
+
+	return 0;
+}
+
+static void __exit gator_module_exit(void)
+{
+	tracepoint_synchronize_unregister();
+	gatorfs_unregister();
+}
+
+module_init(gator_module_init);
+module_exit(gator_module_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("ARM Ltd");
+MODULE_DESCRIPTION("Gator system profiler");
diff --git a/drivers/gator/gator_marshaling.c b/drivers/gator/gator_marshaling.c
new file mode 100755
index 00000000000..630d142bf70
--- /dev/null
+++ b/drivers/gator/gator_marshaling.c
@@ -0,0 +1,239 @@
+/**
+ * Copyright (C) ARM Limited 2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+static void marshal_summary(long long timestamp, long long uptime) {
+	int cpu = 0;
+	gator_buffer_write_packed_int(cpu, BACKTRACE_BUF, MESSAGE_SUMMARY);
+	gator_buffer_write_packed_int64(cpu, BACKTRACE_BUF, timestamp);
+	gator_buffer_write_packed_int64(cpu, BACKTRACE_BUF, uptime);
+}
+
+static bool marshal_cookie_header(char* text) {
+	int cpu = smp_processor_id();
+	return buffer_check_space(cpu, BACKTRACE_BUF, strlen(text) + 2 * MAXSIZE_PACK32);
+}
+
+static void marshal_cookie(int cookie, char* text) {
+	int cpu = smp_processor_id();
+	gator_buffer_write_packed_int(cpu, BACKTRACE_BUF, MESSAGE_COOKIE);
+	gator_buffer_write_packed_int(cpu, BACKTRACE_BUF, cookie);
+	gator_buffer_write_string(cpu, BACKTRACE_BUF, text);
+}
+
+static void marshal_pid_name(int pid, char* name) {
+	unsigned long flags, cpu;
+	local_irq_save(flags);
+	cpu = smp_processor_id();
+	if (buffer_check_space(cpu, BACKTRACE_BUF, TASK_COMM_LEN + 2 * MAXSIZE_PACK32 + MAXSIZE_PACK64)) {
+		gator_buffer_write_packed_int(cpu, BACKTRACE_BUF, MESSAGE_PID_NAME);
+		gator_buffer_write_packed_int64(cpu, BACKTRACE_BUF, gator_get_time());
+		gator_buffer_write_packed_int(cpu, BACKTRACE_BUF, pid);
+		gator_buffer_write_string(cpu, BACKTRACE_BUF, name);
+	}
+	local_irq_restore(flags);
+}
+
+static bool marshal_backtrace_header(int exec_cookie, int tgid, int pid, int inKernel) {
+	int cpu = smp_processor_id();
+	if (buffer_check_space(cpu, BACKTRACE_BUF, gator_backtrace_depth * 2 * MAXSIZE_PACK32)) {
+		gator_buffer_write_packed_int(cpu, BACKTRACE_BUF, MESSAGE_START_BACKTRACE);
+		gator_buffer_write_packed_int64(cpu, BACKTRACE_BUF, gator_get_time());
+		gator_buffer_write_packed_int(cpu, BACKTRACE_BUF, exec_cookie);
+		gator_buffer_write_packed_int(cpu, BACKTRACE_BUF, tgid); 
+		gator_buffer_write_packed_int(cpu, BACKTRACE_BUF, pid);
+		gator_buffer_write_packed_int(cpu, BACKTRACE_BUF, inKernel);
+		return true;
+	}
+
+	// Check and commit; commit is set to occur once buffer is 3/4 full
+	buffer_check(cpu, BACKTRACE_BUF);
+
+	return false;
+}
+
+static void marshal_backtrace(int address, int cookie) {
+	int cpu = smp_processor_id();
+	gator_buffer_write_packed_int(cpu, BACKTRACE_BUF, address);
+	gator_buffer_write_packed_int(cpu, BACKTRACE_BUF, cookie);
+}
+
+static void marshal_backtrace_footer(void) {
+	int cpu = smp_processor_id();
+	gator_buffer_write_packed_int(cpu, BACKTRACE_BUF, MESSAGE_END_BACKTRACE);
+
+	// Check and commit; commit is set to occur once buffer is 3/4 full
+	buffer_check(cpu, BACKTRACE_BUF);
+}
+
+static bool marshal_event_header(void) {
+	unsigned long flags, cpu = smp_processor_id();
+	bool retval = false;
+	
+	local_irq_save(flags);
+	if (buffer_check_space(cpu, COUNTER_BUF, MAXSIZE_PACK32 + MAXSIZE_PACK64)) {
+		gator_buffer_write_packed_int(cpu, COUNTER_BUF, 0); // key of zero indicates a timestamp
+		gator_buffer_write_packed_int64(cpu, COUNTER_BUF, gator_get_time());
+		retval = true;
+	}
+	local_irq_restore(flags);
+
+	// Check and commit; commit is set to occur once buffer is 3/4 full
+	buffer_check(cpu, COUNTER_BUF);
+
+	return retval;
+}
+
+static void marshal_event(int len, int* buffer) {
+	unsigned long i, flags, cpu = smp_processor_id();
+
+	if (len <= 0)
+		return;
+	
+	// length must be even since all data is a (key, value) pair
+	if (len & 0x1) {
+		pr_err("gator: invalid counter data detected and discarded");
+		return;
+	}
+
+	// events must be written in key,value pairs
+	for (i = 0; i < len; i += 2) {
+		local_irq_save(flags);
+		if (!buffer_check_space(cpu, COUNTER_BUF, MAXSIZE_PACK32 * 2)) {
+			local_irq_restore(flags);
+			break;
+		}
+		gator_buffer_write_packed_int(cpu, COUNTER_BUF, buffer[i]);
+		gator_buffer_write_packed_int(cpu, COUNTER_BUF, buffer[i + 1]);
+		local_irq_restore(flags);
+	}
+
+	// Check and commit; commit is set to occur once buffer is 3/4 full
+	buffer_check(cpu, COUNTER_BUF);
+}
+
+static void marshal_event64(int len, long long* buffer64) {
+	unsigned long i, flags, cpu = smp_processor_id();
+
+	if (len <= 0)
+		return;
+	
+	// length must be even since all data is a (key, value) pair
+	if (len & 0x1) {
+		pr_err("gator: invalid counter data detected and discarded");
+		return;
+	}
+
+	// events must be written in key,value pairs
+	for (i = 0; i < len; i += 2) {
+		local_irq_save(flags);
+		if (!buffer_check_space(cpu, COUNTER_BUF, MAXSIZE_PACK64 * 2)) {
+			local_irq_restore(flags);
+			break;
+		}
+		gator_buffer_write_packed_int64(cpu, COUNTER_BUF, buffer64[i]);
+		gator_buffer_write_packed_int64(cpu, COUNTER_BUF, buffer64[i + 1]);
+		local_irq_restore(flags);
+	}
+
+	// Check and commit; commit is set to occur once buffer is 3/4 full
+	buffer_check(cpu, COUNTER_BUF);
+}
+
+#if GATOR_CPU_FREQ_SUPPORT
+static void marshal_event_single(int core, int key, int value) {
+	unsigned long flags, cpu;
+	
+	local_irq_save(flags);
+	cpu = smp_processor_id();
+	if (buffer_check_space(cpu, COUNTER2_BUF, MAXSIZE_PACK64 + MAXSIZE_PACK32 * 3)) {
+		gator_buffer_write_packed_int64(cpu, COUNTER2_BUF, gator_get_time());
+		gator_buffer_write_packed_int(cpu, COUNTER2_BUF, core);
+		gator_buffer_write_packed_int(cpu, COUNTER2_BUF, key);
+		gator_buffer_write_packed_int(cpu, COUNTER2_BUF, value);
+	}
+	local_irq_restore(flags);
+
+	// Check and commit; commit is set to occur once buffer is 3/4 full
+	buffer_check(cpu, COUNTER2_BUF);
+}
+#endif
+
+static void marshal_sched_gpu(int type, int unit, int core, int tgid, int pid) {
+	unsigned long cpu = smp_processor_id(), flags;
+
+	if (!per_cpu(gator_buffer, cpu)[GPU_TRACE_BUF])
+		return;
+
+	local_irq_save(flags);
+	if (buffer_check_space(cpu, GPU_TRACE_BUF, MAXSIZE_PACK64 + 5 * MAXSIZE_PACK32)) {
+		gator_buffer_write_packed_int(cpu, GPU_TRACE_BUF, type);
+		gator_buffer_write_packed_int64(cpu, GPU_TRACE_BUF, gator_get_time());
+		gator_buffer_write_packed_int(cpu, GPU_TRACE_BUF, unit);
+		gator_buffer_write_packed_int(cpu, GPU_TRACE_BUF, core);
+		gator_buffer_write_packed_int(cpu, GPU_TRACE_BUF, tgid);
+		gator_buffer_write_packed_int(cpu, GPU_TRACE_BUF, pid);
+	}
+	local_irq_restore(flags);
+
+	// Check and commit; commit is set to occur once buffer is 3/4 full
+	buffer_check(cpu, GPU_TRACE_BUF);
+}
+
+static void marshal_sched_trace(int type, int pid, int tgid, int cookie, int state) {
+	unsigned long cpu = smp_processor_id(), flags;
+
+	if (!per_cpu(gator_buffer, cpu)[SCHED_TRACE_BUF])
+		return;
+
+	local_irq_save(flags);
+	if (buffer_check_space(cpu, SCHED_TRACE_BUF, MAXSIZE_PACK64 + 5 * MAXSIZE_PACK32)) {
+		gator_buffer_write_packed_int(cpu, SCHED_TRACE_BUF, type);
+		gator_buffer_write_packed_int64(cpu, SCHED_TRACE_BUF, gator_get_time());
+		gator_buffer_write_packed_int(cpu, SCHED_TRACE_BUF, pid);
+		gator_buffer_write_packed_int(cpu, SCHED_TRACE_BUF, tgid);
+		gator_buffer_write_packed_int(cpu, SCHED_TRACE_BUF, cookie);
+		gator_buffer_write_packed_int(cpu, SCHED_TRACE_BUF, state);
+	}
+	local_irq_restore(flags);
+
+	// Check and commit; commit is set to occur once buffer is 3/4 full
+	buffer_check(cpu, SCHED_TRACE_BUF);
+}
+
+#if GATOR_CPU_FREQ_SUPPORT
+static void marshal_wfi(int core, int state) {
+	unsigned long flags, cpu;
+	
+	local_irq_save(flags);
+	cpu = smp_processor_id();
+	if (buffer_check_space(cpu, WFI_BUF, MAXSIZE_PACK64 + MAXSIZE_PACK32 * 2)) {
+		gator_buffer_write_packed_int64(cpu, WFI_BUF, gator_get_time());
+		gator_buffer_write_packed_int(cpu, WFI_BUF, core);
+		gator_buffer_write_packed_int(cpu, WFI_BUF, state);
+	}
+	local_irq_restore(flags);
+
+	// Check and commit; commit is set to occur once buffer is 3/4 full
+	buffer_check(cpu, WFI_BUF);
+}
+#endif
+
+static void marshal_frame(int cpu, int buftype, int frame) {
+	// add response type
+	if (gator_response_type > 0) {
+		gator_buffer_write_packed_int(cpu, buftype, gator_response_type);
+	}
+
+	// leave space for 4-byte unpacked length
+	per_cpu(gator_buffer_write, cpu)[buftype] = (per_cpu(gator_buffer_write, cpu)[buftype] + 4) & gator_buffer_mask[buftype];
+
+	// add frame type and core number
+	gator_buffer_write_packed_int(cpu, buftype, frame);
+	gator_buffer_write_packed_int(cpu, buftype, cpu);
+}
diff --git a/drivers/gator/gator_pack.c b/drivers/gator/gator_pack.c
new file mode 100644
index 00000000000..925469a5b89
--- /dev/null
+++ b/drivers/gator/gator_pack.c
@@ -0,0 +1,164 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+static void gator_buffer_write_packed_int(int cpu, int buftype, unsigned int x)
+{
+	uint32_t write = per_cpu(gator_buffer_write, cpu)[buftype];
+	uint32_t mask = gator_buffer_mask[buftype];
+	char *buffer = per_cpu(gator_buffer, cpu)[buftype];
+	int write0 = (write + 0) & mask;
+	int write1 = (write + 1) & mask;
+
+	if ((x & 0xffffff80) == 0) {
+		buffer[write0] = x & 0x7f;
+		per_cpu(gator_buffer_write, cpu)[buftype] = write1;
+	} else if ((x & 0xffffc000) == 0) {
+		int write2 = (write + 2) & mask;
+		buffer[write0] = x | 0x80;
+		buffer[write1] = (x>>7) & 0x7f;
+		per_cpu(gator_buffer_write, cpu)[buftype] = write2;
+	} else if ((x & 0xffe00000) == 0) {
+		int write2 = (write + 2) & mask;
+		int write3 = (write + 3) & mask;
+		buffer[write0] = x | 0x80;
+		buffer[write1] = (x>>7) | 0x80;
+		buffer[write2] = (x>>14) & 0x7f;
+		per_cpu(gator_buffer_write, cpu)[buftype] = write3;
+	} else if ((x & 0xf0000000) == 0) {
+		int write2 = (write + 2) & mask;
+		int write3 = (write + 3) & mask;
+		int write4 = (write + 4) & mask;
+		buffer[write0] = x | 0x80;
+		buffer[write1] = (x>>7) | 0x80;
+		buffer[write2] = (x>>14) | 0x80;
+		buffer[write3] = (x>>21) & 0x7f;
+		per_cpu(gator_buffer_write, cpu)[buftype] = write4;
+	} else {
+		int write2 = (write + 2) & mask;
+		int write3 = (write + 3) & mask;
+		int write4 = (write + 4) & mask;
+		int write5 = (write + 5) & mask;
+		buffer[write0] = x | 0x80;
+		buffer[write1] = (x>>7) | 0x80;
+		buffer[write2] = (x>>14) | 0x80;
+		buffer[write3] = (x>>21) | 0x80;
+		buffer[write4] = (x>>28) & 0x0f;
+		per_cpu(gator_buffer_write, cpu)[buftype] = write5;
+	}
+}
+
+static void gator_buffer_write_packed_int64(int cpu, int buftype, unsigned long long x)
+{
+	uint32_t write = per_cpu(gator_buffer_write, cpu)[buftype];
+	uint32_t mask = gator_buffer_mask[buftype];
+	char *buffer = per_cpu(gator_buffer, cpu)[buftype];
+	int write0 = (write + 0) & mask;
+	int write1 = (write + 1) & mask;
+
+	if ((x & 0xffffffffffffff80LL) == 0) {
+		buffer[write0] = x & 0x7f;
+		per_cpu(gator_buffer_write, cpu)[buftype] = write1;
+	} else if ((x & 0xffffffffffffc000LL) == 0) {
+		int write2 = (write + 2) & mask;
+		buffer[write0] = x | 0x80;
+		buffer[write1] = (x>>7) & 0x7f;
+		per_cpu(gator_buffer_write, cpu)[buftype] = write2;
+	} else if ((x & 0xffffffffffe00000LL) == 0) {
+		int write2 = (write + 2) & mask;
+		int write3 = (write + 3) & mask;
+		buffer[write0] = x | 0x80;
+		buffer[write1] = (x>>7) | 0x80;
+		buffer[write2] = (x>>14) & 0x7f;
+		per_cpu(gator_buffer_write, cpu)[buftype] = write3;
+	} else if ((x & 0xfffffffff0000000LL) == 0) {
+		int write2 = (write + 2) & mask;
+		int write3 = (write + 3) & mask;
+		int write4 = (write + 4) & mask;
+		buffer[write0] = x | 0x80;
+		buffer[write1] = (x>>7) | 0x80;
+		buffer[write2] = (x>>14) | 0x80;
+		buffer[write3] = (x>>21) & 0x7f;
+		per_cpu(gator_buffer_write, cpu)[buftype] = write4;
+	} else if ((x & 0xfffffff800000000LL) == 0) {
+		int write2 = (write + 2) & mask;
+		int write3 = (write + 3) & mask;
+		int write4 = (write + 4) & mask;
+		int write5 = (write + 5) & mask;
+		buffer[write0] = x | 0x80;
+		buffer[write1] = (x>>7) | 0x80;
+		buffer[write2] = (x>>14) | 0x80;
+		buffer[write3] = (x>>21) | 0x80;
+		buffer[write4] = (x>>28) & 0x7f;
+		per_cpu(gator_buffer_write, cpu)[buftype] = write5;
+	} else if ((x & 0xfffffc0000000000LL) == 0) {
+		int write2 = (write + 2) & mask;
+		int write3 = (write + 3) & mask;
+		int write4 = (write + 4) & mask;
+		int write5 = (write + 5) & mask;
+		int write6 = (write + 6) & mask;
+		buffer[write0] = x | 0x80;
+		buffer[write1] = (x>>7) | 0x80;
+		buffer[write2] = (x>>14) | 0x80;
+		buffer[write3] = (x>>21) | 0x80;
+		buffer[write4] = (x>>28) | 0x80;
+		buffer[write5] = (x>>35) & 0x7f;
+		per_cpu(gator_buffer_write, cpu)[buftype] = write6;
+	} else if ((x & 0xfffe000000000000LL) == 0) {
+		int write2 = (write + 2) & mask;
+		int write3 = (write + 3) & mask;
+		int write4 = (write + 4) & mask;
+		int write5 = (write + 5) & mask;
+		int write6 = (write + 6) & mask;
+		int write7 = (write + 7) & mask;
+		buffer[write0] = x | 0x80;
+		buffer[write1] = (x>>7) | 0x80;
+		buffer[write2] = (x>>14) | 0x80;
+		buffer[write3] = (x>>21) | 0x80;
+		buffer[write4] = (x>>28) | 0x80;
+		buffer[write5] = (x>>35) | 0x80;
+		buffer[write6] = (x>>42) & 0x7f;
+		per_cpu(gator_buffer_write, cpu)[buftype] = write7;
+	} else if ((x & 0xff00000000000000LL) == 0) {
+		int write2 = (write + 2) & mask;
+		int write3 = (write + 3) & mask;
+		int write4 = (write + 4) & mask;
+		int write5 = (write + 5) & mask;
+		int write6 = (write + 6) & mask;
+		int write7 = (write + 7) & mask;
+		int write8 = (write + 8) & mask;
+		buffer[write0] = x | 0x80;
+		buffer[write1] = (x>>7) | 0x80;
+		buffer[write2] = (x>>14) | 0x80;
+		buffer[write3] = (x>>21) | 0x80;
+		buffer[write4] = (x>>28) | 0x80;
+		buffer[write5] = (x>>35) | 0x80;
+		buffer[write6] = (x>>42) | 0x80;
+		buffer[write7] = (x>>49) & 0x7f;
+		per_cpu(gator_buffer_write, cpu)[buftype] = write8;
+	} else {
+		int write2 = (write + 2) & mask;
+		int write3 = (write + 3) & mask;
+		int write4 = (write + 4) & mask;
+		int write5 = (write + 5) & mask;
+		int write6 = (write + 6) & mask;
+		int write7 = (write + 7) & mask;
+		int write8 = (write + 8) & mask;
+		int write9 = (write + 9) & mask;
+		buffer[write0] = x | 0x80;
+		buffer[write1] = (x>>7) | 0x80;
+		buffer[write2] = (x>>14) | 0x80;
+		buffer[write3] = (x>>21) | 0x80;
+		buffer[write4] = (x>>28) | 0x80;
+		buffer[write5] = (x>>35) | 0x80;
+		buffer[write6] = (x>>42) | 0x80;
+		buffer[write7] = (x>>49) | 0x80;
+		buffer[write8] = (x>>56) & 0xff;
+		per_cpu(gator_buffer_write, cpu)[buftype] = write9;
+	}
+}
diff --git a/drivers/gator/gator_trace_gpu.c b/drivers/gator/gator_trace_gpu.c
new file mode 100644
index 00000000000..921932c1fb1
--- /dev/null
+++ b/drivers/gator/gator_trace_gpu.c
@@ -0,0 +1,126 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "gator.h"
+
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/time.h>
+#include <linux/math64.h>
+
+#ifdef MALI_SUPPORT
+#include "linux/mali_linux_trace.h"
+#endif
+#include "gator_trace_gpu.h"
+
+#define ACTIVITY_START  1
+#define ACTIVITY_STOP   2
+
+/* Note whether tracepoints have been registered */
+static int mali_trace_registered;
+static int gpu_trace_registered;
+
+#define GPU_START			1
+#define GPU_STOP			2
+
+#define GPU_UNIT_VP			1
+#define GPU_UNIT_FP			2
+#define GPU_UNIT_CL			3
+
+#ifdef MALI_SUPPORT
+
+enum components {
+    COMPONENT_VP0 = 1,
+    COMPONENT_FP0 = 5,
+    COMPONENT_FP1,
+    COMPONENT_FP2,
+    COMPONENT_FP3,
+    COMPONENT_FP4,
+    COMPONENT_FP5,
+    COMPONENT_FP6,
+    COMPONENT_FP7,
+};
+
+GATOR_DEFINE_PROBE(mali_timeline_event, TP_PROTO(unsigned int event_id, unsigned int d0, unsigned int d1, unsigned int d2, unsigned int d3, unsigned int d4))
+{
+	unsigned int component, state;
+	int tgid = 0, pid = 0;
+
+	// do as much work as possible before disabling interrupts
+	component = (event_id >> 16) & 0xFF; // component is an 8-bit field
+	state = (event_id >> 24) & 0xF;      // state is a 4-bit field
+
+	if ((component == COMPONENT_VP0) || (component >= COMPONENT_FP0 && component <= COMPONENT_FP7)) {
+		if (state == ACTIVITY_START || state == ACTIVITY_STOP) {
+			unsigned int type = (state == ACTIVITY_START) ? GPU_START : GPU_STOP;
+			unsigned int unit = (component < COMPONENT_FP0) ? GPU_UNIT_VP : GPU_UNIT_FP;
+			unsigned int core = (component < COMPONENT_FP0) ? component - COMPONENT_VP0 : component - COMPONENT_FP0;
+			if (state == ACTIVITY_START) {
+				tgid = d0;
+				pid = d1;
+			}
+
+			marshal_sched_gpu(type, unit, core, tgid, pid);
+    	}
+    }
+}
+#endif
+
+GATOR_DEFINE_PROBE(gpu_activity_start, TP_PROTO(int gpu_unit, int gpu_core, struct task_struct *p))
+{
+	marshal_sched_gpu(GPU_START, gpu_unit, gpu_core, (int)p->tgid, (int)p->pid);
+}
+
+GATOR_DEFINE_PROBE(gpu_activity_stop, TP_PROTO(int gpu_unit, int gpu_core))
+{
+	marshal_sched_gpu(GPU_STOP, gpu_unit, gpu_core, 0, 0);
+}
+
+int gator_trace_gpu_start(void)
+{
+	/*
+	 * Returns nonzero for installation failed
+	 * Absence of gpu trace points is not an error
+	 */
+
+	gpu_trace_registered = mali_trace_registered = 0;
+
+#ifdef MALI_SUPPORT
+    if (!GATOR_REGISTER_TRACE(mali_timeline_event)) {
+    	mali_trace_registered = 1;
+    }
+#endif
+
+    if (!mali_trace_registered) {
+        if (GATOR_REGISTER_TRACE(gpu_activity_start)) {
+        	return 0;
+        }
+        if (GATOR_REGISTER_TRACE(gpu_activity_stop)) {
+        	GATOR_UNREGISTER_TRACE(gpu_activity_start);
+        	return 0;
+        }
+        gpu_trace_registered = 1;
+    }
+
+	return 0;
+}
+
+void gator_trace_gpu_stop(void)
+{
+#ifdef MALI_SUPPORT
+	if (mali_trace_registered) {
+		GATOR_UNREGISTER_TRACE(mali_timeline_event);
+	}
+#endif
+	if (gpu_trace_registered) {
+		GATOR_UNREGISTER_TRACE(gpu_activity_stop);
+		GATOR_UNREGISTER_TRACE(gpu_activity_start);
+	}
+
+	gpu_trace_registered = mali_trace_registered = 0;
+}
diff --git a/drivers/gator/gator_trace_gpu.h b/drivers/gator/gator_trace_gpu.h
new file mode 100644
index 00000000000..894289b4316
--- /dev/null
+++ b/drivers/gator/gator_trace_gpu.h
@@ -0,0 +1,79 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#undef TRACE_GPU
+#define TRACE_GPU gpu
+
+#if !defined(_TRACE_GPU_H)
+#define _TRACE_GPU_H
+
+#include <linux/tracepoint.h>
+
+/*
+ * UNIT - the GPU processor type
+ *  1 = Vertex Processor
+ *  2 = Fragment Processor
+ *
+ * CORE - the GPU processor core number
+ *  this is not the CPU core number
+ */
+
+/*
+ * Tracepoint for calling GPU unit start activity on core
+ */
+TRACE_EVENT(gpu_activity_start,
+
+	TP_PROTO(int gpu_unit, int gpu_core, struct task_struct *p),
+
+	TP_ARGS(gpu_unit, gpu_core, p),
+
+	TP_STRUCT__entry(
+		__field(        int,    gpu_unit                )
+		__field(        int,    gpu_core                )
+		__array(        char,   comm,   TASK_COMM_LEN   )
+		__field(        pid_t,  pid                     )
+	),
+
+	TP_fast_assign(
+		__entry->gpu_unit       = gpu_unit;
+		__entry->gpu_core       = gpu_core;
+		memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
+		__entry->pid            = p->pid;
+	),
+
+	TP_printk("unit=%d core=%d comm=%s pid=%d",
+		__entry->gpu_unit, __entry->gpu_core, __entry->comm, __entry->pid)
+);
+
+/*
+ * Tracepoint for calling GPU unit stop activity on core
+ */
+TRACE_EVENT(gpu_activity_stop,
+
+	TP_PROTO(int gpu_unit, int gpu_core),
+
+	TP_ARGS(gpu_unit, gpu_core),
+
+	TP_STRUCT__entry(
+		__field(        int,    gpu_unit                )
+		__field(        int,    gpu_core                )
+	),
+
+	TP_fast_assign(
+		__entry->gpu_unit       = gpu_unit;
+		__entry->gpu_core       = gpu_core;
+	),
+
+	TP_printk("unit=%d core=%d",
+		__entry->gpu_unit, __entry->gpu_core)
+);
+
+#endif /* _TRACE_GPU_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/drivers/gator/gator_trace_power.c b/drivers/gator/gator_trace_power.c
new file mode 100755
index 00000000000..ca89b19908f
--- /dev/null
+++ b/drivers/gator/gator_trace_power.c
@@ -0,0 +1,160 @@
+/**
+ * Copyright (C) ARM Limited 2011-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/cpufreq.h>
+#include <trace/events/power.h>
+
+// cpu_frequency and cpu_idle trace points were introduced in Linux kernel v2.6.38
+// the now deprecated power_frequency trace point was available prior to 2.6.38, but only for x86
+#if GATOR_CPU_FREQ_SUPPORT
+enum {
+	POWER_CPU_FREQ,
+	POWER_CPU_IDLE,
+	POWER_TOTAL
+};
+
+static DEFINE_PER_CPU(ulong, idle_prev_state);
+static ulong power_cpu_enabled[POWER_TOTAL];
+static ulong power_cpu_key[POWER_TOTAL];
+
+static int gator_trace_power_create_files(struct super_block *sb, struct dentry *root)
+{
+	struct dentry *dir;
+
+	// cpu_frequency
+	dir = gatorfs_mkdir(sb, root, "Linux_power_cpu_freq");
+	if (!dir) {
+		return -1;
+	}
+	gatorfs_create_ulong(sb, dir, "enabled", &power_cpu_enabled[POWER_CPU_FREQ]);
+	gatorfs_create_ro_ulong(sb, dir, "key", &power_cpu_key[POWER_CPU_FREQ]);
+
+	// cpu_idle
+	dir = gatorfs_mkdir(sb, root, "Linux_power_cpu_idle");
+	if (!dir) {
+		return -1;
+	}
+	gatorfs_create_ulong(sb, dir, "enabled", &power_cpu_enabled[POWER_CPU_IDLE]);
+	gatorfs_create_ro_ulong(sb, dir, "key", &power_cpu_key[POWER_CPU_IDLE]);
+
+	return 0;
+}
+
+// 'cpu' may not equal smp_processor_id(), i.e. may not be running on the core that is having the freq/idle state change
+GATOR_DEFINE_PROBE(cpu_frequency, TP_PROTO(unsigned int frequency, unsigned int cpu))
+{
+	marshal_event_single(cpu, power_cpu_key[POWER_CPU_FREQ], frequency * 1000);
+}
+
+#define WFI_ACTIVE_THRESHOLD 2  // may vary on platform/OS
+#define WFI_EXIT 0
+#define WFI_ENTER 1
+GATOR_DEFINE_PROBE(cpu_idle, TP_PROTO(unsigned int state, unsigned int cpu))
+{
+	// the streamline engine treats all counter values as unsigned
+	if (state & 0x80000000) {
+		state = 0;
+	}
+
+	if (state == per_cpu(idle_prev_state, cpu)) {
+		return;
+	}
+
+	if (state < WFI_ACTIVE_THRESHOLD && per_cpu(idle_prev_state, cpu) >= WFI_ACTIVE_THRESHOLD) {
+		// transition from wfi to non-wfi
+		marshal_wfi(cpu, WFI_EXIT);
+	} else if (state >= WFI_ACTIVE_THRESHOLD && per_cpu(idle_prev_state, cpu) < WFI_ACTIVE_THRESHOLD) {
+		// transition from non-wfi to wfi
+		marshal_wfi(cpu, WFI_ENTER);
+	}
+
+	per_cpu(idle_prev_state, cpu) = state;
+
+	if (power_cpu_enabled[POWER_CPU_IDLE]) {
+		marshal_event_single(cpu, power_cpu_key[POWER_CPU_IDLE], state);
+	}
+}
+
+static void gator_trace_power_online(void)
+{
+	int cpu = smp_processor_id();
+	if (power_cpu_enabled[POWER_CPU_FREQ]) {
+		marshal_event_single(cpu, power_cpu_key[POWER_CPU_FREQ], cpufreq_quick_get(cpu) * 1000);
+	}
+}
+
+static void gator_trace_power_offline(void)
+{
+	// Set frequency to zero on an offline
+	int cpu = smp_processor_id();
+	if (power_cpu_enabled[POWER_CPU_FREQ]) {
+		marshal_event_single(cpu, power_cpu_key[POWER_CPU_FREQ], 0);
+	}
+}
+
+static int gator_trace_power_start(void)
+{
+	int cpu;
+
+	// register tracepoints
+	if (power_cpu_enabled[POWER_CPU_FREQ])
+		if (GATOR_REGISTER_TRACE(cpu_frequency))
+			goto fail_cpu_frequency_exit;
+
+	// Always register for cpu:idle for detecting WFI, independent of power_cpu_enabled[POWER_CPU_IDLE]
+	if (GATOR_REGISTER_TRACE(cpu_idle))
+		goto fail_cpu_idle_exit;
+	pr_debug("gator: registered power event tracepoints\n");
+
+	for_each_present_cpu(cpu) {
+		per_cpu(idle_prev_state, cpu) = 0;
+	}
+
+	return 0;
+
+	// unregister tracepoints on error
+fail_cpu_idle_exit:
+	if (power_cpu_enabled[POWER_CPU_FREQ])
+		GATOR_UNREGISTER_TRACE(cpu_frequency);
+fail_cpu_frequency_exit:
+	pr_err("gator: power event tracepoints failed to activate, please verify that tracepoints are enabled in the linux kernel\n");
+
+	return -1;
+}
+
+static void gator_trace_power_stop(void)
+{
+	int i;
+
+	if (power_cpu_enabled[POWER_CPU_FREQ])
+		GATOR_UNREGISTER_TRACE(cpu_frequency);
+	GATOR_UNREGISTER_TRACE(cpu_idle);
+	pr_debug("gator: unregistered power event tracepoints\n");
+
+	for (i = 0; i < POWER_TOTAL; i++) {
+		power_cpu_enabled[i] = 0;
+	}
+}
+
+void gator_trace_power_init(void)
+{
+	int i;
+	for (i = 0; i < POWER_TOTAL; i++) {
+		power_cpu_enabled[i] = 0;
+		power_cpu_key[i] = gator_events_get_key();
+	}
+}
+#else
+static int gator_trace_power_create_files(struct super_block *sb, struct dentry *root) {return 0;}
+static void gator_trace_power_online(void) {}
+static void gator_trace_power_offline(void) {}
+static int gator_trace_power_start(void) {return 0;}
+static void gator_trace_power_stop(void) {}
+void gator_trace_power_init(void) {}
+#endif
diff --git a/drivers/gator/gator_trace_sched.c b/drivers/gator/gator_trace_sched.c
new file mode 100644
index 00000000000..08b02709485
--- /dev/null
+++ b/drivers/gator/gator_trace_sched.c
@@ -0,0 +1,191 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <trace/events/sched.h>
+#include "gator.h"
+
+#define SCHED_SWITCH			1
+#define SCHED_PROCESS_EXIT		2
+
+#define TASK_MAP_ENTRIES		1024		/* must be power of 2 */
+#define TASK_MAX_COLLISIONS		2
+
+static DEFINE_PER_CPU(uint64_t *, taskname_keys);
+
+enum {
+	STATE_WAIT_ON_OTHER = 0,
+	STATE_CONTENTION,
+	STATE_WAIT_ON_IO,
+	STATE_WAIT_ON_MUTEX,
+};
+
+void emit_pid_name(struct task_struct* task)
+{
+	bool found = false;
+	char taskcomm[TASK_COMM_LEN + 3];
+	unsigned long x, cpu = smp_processor_id();
+	uint64_t *keys = &(per_cpu(taskname_keys, cpu)[(task->pid & 0xFF) * TASK_MAX_COLLISIONS]);
+	uint64_t value;
+	
+	value = gator_chksum_crc32(task->comm);
+	value = (value << 32) | (uint32_t)task->pid;
+
+	// determine if the thread name was emitted already
+	for (x = 0; x < TASK_MAX_COLLISIONS; x++) {
+		if (keys[x] == value) {
+			found = true;
+			break;
+		}
+	}
+
+	if (!found) {
+		// shift values, new value always in front
+		uint64_t oldv, newv = value;
+		for (x = 0; x < TASK_MAX_COLLISIONS; x++) {
+			oldv = keys[x];
+			keys[x] = newv;
+			newv = oldv;
+		}
+
+		// emit pid names, cannot use get_task_comm, as it's not exported on all kernel versions
+		if (strlcpy(taskcomm, task->comm, TASK_COMM_LEN) == TASK_COMM_LEN - 1) {
+			// append ellipses if task->comm has length of TASK_COMM_LEN - 1
+			strcat(taskcomm, "...");
+		}
+
+		marshal_pid_name(task->pid, taskcomm);
+	}
+}
+
+
+static void collect_counters(void)
+{
+	int *buffer, len;
+	long long *buffer64;
+	struct gator_interface *gi;
+
+	if (marshal_event_header()) {
+		list_for_each_entry(gi, &gator_events, list) {
+			if (gi->read) {
+				len = gi->read(&buffer);
+				marshal_event(len, buffer);
+			} else if (gi->read64) {
+				len = gi->read64(&buffer64);
+				marshal_event64(len, buffer64);
+			}
+		}
+	}
+}
+
+static void probe_sched_write(int type, struct task_struct* task, struct task_struct* old_task)
+{
+	int cookie = 0, state = 0;
+	int cpu = smp_processor_id();
+	int pid = task->pid;
+	int tgid = task->tgid;
+
+	if (type == SCHED_SWITCH) {
+		// do as much work as possible before disabling interrupts
+		cookie = get_exec_cookie(cpu, BACKTRACE_BUF, task);
+		emit_pid_name(task);
+		if (old_task->state == TASK_RUNNING) {
+			state = STATE_CONTENTION;
+		} else if (old_task->in_iowait) {
+			state = STATE_WAIT_ON_IO;
+#ifdef CONFIG_DEBUG_MUTEXES
+		} else if (old_task->blocked_on) {
+			state = STATE_WAIT_ON_MUTEX;
+#endif
+		} else {
+			state = STATE_WAIT_ON_OTHER;
+		}
+
+		collect_counters();
+	}
+
+	// marshal_sched_trace() disables interrupts as the free may trigger while switch is writing to the buffer; disabling preemption is not sufficient
+	// is disable interrupts necessary now that exit is used instead of free?
+	marshal_sched_trace(type, pid, tgid, cookie, state);
+}
+
+// special case used during a suspend of the system
+static void trace_sched_insert_idle(void)
+{
+	marshal_sched_trace(SCHED_SWITCH, 0, 0, 0, 0);
+}
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
+GATOR_DEFINE_PROBE(sched_switch, TP_PROTO(struct rq *rq, struct task_struct *prev, struct task_struct *next))
+#else
+GATOR_DEFINE_PROBE(sched_switch, TP_PROTO(struct task_struct *prev, struct task_struct *next))
+#endif
+{
+	probe_sched_write(SCHED_SWITCH, next, prev);
+}
+
+GATOR_DEFINE_PROBE(sched_process_exit, TP_PROTO(struct task_struct *p))
+{
+	probe_sched_write(SCHED_PROCESS_EXIT, p, 0);
+}
+
+static int register_scheduler_tracepoints(void) {
+	// register tracepoints
+	if (GATOR_REGISTER_TRACE(sched_switch))
+		goto fail_sched_switch;
+	if (GATOR_REGISTER_TRACE(sched_process_exit))
+		goto fail_sched_process_exit;
+	pr_debug("gator: registered tracepoints\n");
+
+	return 0;
+
+	// unregister tracepoints on error
+fail_sched_process_exit:
+	GATOR_UNREGISTER_TRACE(sched_switch);
+fail_sched_switch:
+	pr_err("gator: tracepoints failed to activate, please verify that tracepoints are enabled in the linux kernel\n");
+
+	return -1;
+}
+
+int gator_trace_sched_start(void)
+{
+	int cpu, size;
+
+	for_each_present_cpu(cpu) {
+		size = TASK_MAP_ENTRIES * TASK_MAX_COLLISIONS * sizeof(uint64_t);
+		per_cpu(taskname_keys, cpu) = (uint64_t*)kmalloc(size, GFP_KERNEL);
+		if (!per_cpu(taskname_keys, cpu))
+			return -1;
+		memset(per_cpu(taskname_keys, cpu), 0, size);
+	}
+
+	return register_scheduler_tracepoints();
+}
+
+void gator_trace_sched_offline(void)
+{
+	trace_sched_insert_idle();
+}
+
+static void unregister_scheduler_tracepoints(void)
+{
+	GATOR_UNREGISTER_TRACE(sched_switch);
+	GATOR_UNREGISTER_TRACE(sched_process_exit);
+	pr_debug("gator: unregistered tracepoints\n");
+}
+
+void gator_trace_sched_stop(void)
+{
+	int cpu;
+	unregister_scheduler_tracepoints();
+
+	for_each_present_cpu(cpu) {
+		kfree(per_cpu(taskname_keys, cpu));
+	}
+}
diff --git a/tools/gator/Makefile b/tools/gator/Makefile
new file mode 100644
index 00000000000..4ab73b0ebed
--- /dev/null
+++ b/tools/gator/Makefile
@@ -0,0 +1,4 @@
+all:
+	$(MAKE) -C daemon $@
+clean:
+	$(MAKE) -C daemon $@
diff --git a/tools/gator/daemon/Android.mk b/tools/gator/daemon/Android.mk
new file mode 100755
index 00000000000..715e5b62ba1
--- /dev/null
+++ b/tools/gator/daemon/Android.mk
@@ -0,0 +1,41 @@
+LOCAL_PATH:= $(call my-dir)

+include $(CLEAR_VARS)

+

+$(shell cd $(LOCAL_PATH);cat events_header.xml events-*\.xml events_footer.xml > events.xml;xxd -i events.xml > events_xml.h;xxd -i configuration.xml > configuration_xml.h)

+

+LOCAL_CFLAGS +=  -Wall -O3 -ftree-vectorize -Wno-error=sequence-point

+

+LOCAL_SRC_FILES:= \

+	CapturedXML.cpp \

+	Child.cpp \

+	Collector.cpp \

+	ConfigurationXML.cpp \

+	Fifo.cpp \

+	LocalCapture.cpp \

+	Logging.cpp \

+	main.cpp \

+	OlySocket.cpp \

+	OlyUtility.cpp \

+	Sender.cpp \

+	SessionData.cpp \

+	SessionXML.cpp \

+	StreamlineSetup.cpp \

+	mxml/mxml-attr.c \

+	mxml/mxml-entity.c \

+	mxml/mxml-file.c \

+	mxml/mxml-get.c \

+	mxml/mxml-index.c \

+	mxml/mxml-node.c \

+	mxml/mxml-private.c \

+	mxml/mxml-search.c \

+	mxml/mxml-set.c \

+	mxml/mxml-string.c

+

+LOCAL_C_INCLUDES := $(LOCAL_PATH) 

+

+LOCAL_MODULE:= gatord

+LOCAL_MODULE_TAGS:= optional

+

+LOCAL_LDLIBS := -lz -llog

+

+include $(BUILD_EXECUTABLE)

diff --git a/tools/gator/daemon/CapturedXML.cpp b/tools/gator/daemon/CapturedXML.cpp
new file mode 100644
index 00000000000..f02ed2a0155
--- /dev/null
+++ b/tools/gator/daemon/CapturedXML.cpp
@@ -0,0 +1,123 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <dirent.h>
+#include "SessionData.h"
+#include "CapturedXML.h"
+#include "Logging.h"
+#include "OlyUtility.h"
+
+extern void handleException();
+
+CapturedXML::CapturedXML() {
+}
+
+CapturedXML::~CapturedXML() {
+}
+
+mxml_node_t* CapturedXML::getTree() {
+	bool perfCounters = false;
+	mxml_node_t *xml;
+    mxml_node_t *captured;
+    mxml_node_t *target;
+    mxml_node_t *counters;
+	mxml_node_t *counter;
+	int x;
+
+	for (x=0; x<MAX_PERFORMANCE_COUNTERS; x++) {
+		if (gSessionData->mPerfCounterEnabled[x]) {
+			perfCounters = true;
+			break;
+		}
+	}
+
+	xml = mxmlNewXML("1.0");
+
+	captured = mxmlNewElement(xml, "captured");
+	mxmlElementSetAttr(captured, "version", "1");
+	mxmlElementSetAttrf(captured, "protocol", "%d", PROTOCOL_VERSION);
+	if (gSessionData->mBytes > 0) { // Send the following only after the capture is complete
+		if (time(NULL) > 1267000000) { // If the time is reasonable (after Feb 23, 2010)
+			mxmlElementSetAttrf(captured, "created", "%lu", time(NULL)); // Valid until the year 2038
+		}
+		mxmlElementSetAttrf(captured, "bytes", "%d", gSessionData->mBytes);
+	}
+
+	target = mxmlNewElement(captured, "target");
+	mxmlElementSetAttr(target, "name", gSessionData->mCoreName);
+	mxmlElementSetAttrf(target, "sample_rate", "%d", gSessionData->mSampleRate);
+	mxmlElementSetAttrf(target, "cores", "%d", gSessionData->mCores);
+
+	if (perfCounters) {
+		counters = mxmlNewElement(captured, "counters");
+		for (x = 0; x < MAX_PERFORMANCE_COUNTERS; x++) {
+			if (gSessionData->mPerfCounterEnabled[x]) {
+				counter = mxmlNewElement(counters, "counter");
+				mxmlElementSetAttr(counter, "title", gSessionData->mPerfCounterTitle[x]);
+				mxmlElementSetAttr(counter, "name", gSessionData->mPerfCounterName[x]);
+				mxmlElementSetAttrf(counter, "color", "0x%08x", gSessionData->mPerfCounterColor[x]);
+				mxmlElementSetAttrf(counter, "key", "0x%08x", gSessionData->mPerfCounterKey[x]);
+				mxmlElementSetAttr(counter, "type", gSessionData->mPerfCounterType[x]);
+				mxmlElementSetAttrf(counter, "event", "0x%08x", gSessionData->mPerfCounterEvent[x]);
+				if (gSessionData->mPerfCounterPerCPU[x]) {
+					mxmlElementSetAttr(counter, "per_cpu", "yes");
+				}
+				if (strlen(gSessionData->mPerfCounterOperation[x]) > 0) {
+					mxmlElementSetAttr(counter, "operation", gSessionData->mPerfCounterOperation[x]);
+				}
+				if (gSessionData->mPerfCounterCount[x] > 0) {
+					mxmlElementSetAttrf(counter, "count", "%d", gSessionData->mPerfCounterCount[x]);
+				}
+				if (gSessionData->mPerfCounterLevel[x]) {
+					mxmlElementSetAttr(counter, "level", "yes");
+				}
+				if (strlen(gSessionData->mPerfCounterAlias[x]) > 0) {
+					mxmlElementSetAttr(counter, "alias", gSessionData->mPerfCounterAlias[x]);
+				}
+				if (strlen(gSessionData->mPerfCounterDisplay[x]) > 0) {
+					mxmlElementSetAttr(counter, "display", gSessionData->mPerfCounterDisplay[x]);
+				}
+				if (strlen(gSessionData->mPerfCounterUnits[x]) > 0) {
+					mxmlElementSetAttr(counter, "units", gSessionData->mPerfCounterUnits[x]);
+				}
+				if (gSessionData->mPerfCounterAverageSelection[x]) {
+					mxmlElementSetAttr(counter, "average_selection", "yes");
+				}
+				mxmlElementSetAttr(counter, "description", gSessionData->mPerfCounterDescription[x]);
+			}
+		}
+	}
+
+	return xml;
+}
+
+char* CapturedXML::getXML() {
+	char* xml_string;
+	mxml_node_t *xml = getTree();
+	xml_string = mxmlSaveAllocString(xml, mxmlWhitespaceCB);
+	mxmlDelete(xml);
+	return xml_string;
+}
+
+void CapturedXML::write(char* path) {
+	char *file = (char*)malloc(PATH_MAX);
+
+	// Set full path
+	snprintf(file, PATH_MAX, "%s/captured.xml", path);
+	
+	char* xml = getXML();
+	if (util->writeToDisk(file, xml) < 0) {
+		logg->logError(__FILE__, __LINE__, "Error writing %s\nPlease verify the path.", file);
+		handleException();
+	}
+
+	free(xml);
+	free(file);
+}
diff --git a/tools/gator/daemon/CapturedXML.h b/tools/gator/daemon/CapturedXML.h
new file mode 100644
index 00000000000..984d1f2d13e
--- /dev/null
+++ b/tools/gator/daemon/CapturedXML.h
@@ -0,0 +1,25 @@
+/**
+
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef	__CAPTURED_XML_H__
+#define	__CAPTURED_XML_H__
+
+#include "mxml/mxml.h"
+
+class CapturedXML {
+public:
+	CapturedXML();
+	~CapturedXML();
+	char* getXML(); // the string should be freed by the caller
+	void write(char* path);
+private:
+	mxml_node_t* getTree();
+};
+
+#endif 	//__CAPTURED_XML_H__
diff --git a/tools/gator/daemon/Child.cpp b/tools/gator/daemon/Child.cpp
new file mode 100644
index 00000000000..bcc868a553c
--- /dev/null
+++ b/tools/gator/daemon/Child.cpp
@@ -0,0 +1,312 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <signal.h>
+#include <sys/syscall.h>
+#include <sys/resource.h>
+#include <unistd.h>
+#include <sys/prctl.h>
+#include "Logging.h"
+#include "CapturedXML.h"
+#include "SessionData.h"
+#include "Child.h"
+#include "LocalCapture.h"
+#include "Collector.h"
+#include "Sender.h"
+#include "OlyUtility.h"
+#include "StreamlineSetup.h"
+#include "ConfigurationXML.h"
+
+static sem_t haltPipeline, senderThreadStarted, startProfile; // Shared by Child and spawned threads
+static Fifo* collectorFifo = NULL;   // Shared by Child.cpp and spawned threads
+static Sender* sender = NULL;        // Shared by Child.cpp and spawned threads
+Collector* collector = NULL;
+Child* child = NULL;                 // shared by Child.cpp and main.cpp
+
+extern void cleanUp();
+void handleException() {
+	if (child && child->numExceptions++ > 0) {
+		// it is possible one of the below functions itself can cause an exception, thus allow only one exception
+		logg->logMessage("Received multiple exceptions, terminating the child");
+		exit(1);
+	}
+	fprintf(stderr, "%s", logg->getLastError());
+
+	if (child && child->socket) {
+		if (sender) {
+			// send the error, regardless of the command sent by Streamline
+			sender->writeData(logg->getLastError(), strlen(logg->getLastError()), RESPONSE_ERROR);
+
+			// cannot close the socket before Streamline issues the command, so wait for the command before exiting
+			if (gSessionData->mWaitingOnCommand) {
+				char discard;
+				child->socket->receiveNBytes(&discard, 1);
+			}
+
+			// this indirectly calls close socket which will ensure the data has been sent
+			delete sender;
+		}
+	}
+
+	if (gSessionData->mLocalCapture)
+		cleanUp();
+
+	exit(1);
+}
+
+// CTRL C Signal Handler for child process
+void child_handler(int signum) {
+	static bool beenHere = false;
+	if (beenHere == true) {
+		logg->logMessage("Gator is being forced to shut down.");
+		exit(1);
+	}
+	beenHere = true;
+	logg->logMessage("Gator is shutting down.");
+	if (signum == SIGALRM || !collector) {
+		exit(1);
+	} else {
+		child->endSession();
+		alarm(5); // Safety net in case endSession does not complete within 5 seconds
+	}
+}
+
+void* durationThread(void* pVoid) {
+	prctl(PR_SET_NAME, (unsigned int)&"gatord-duration", 0, 0, 0);
+	sem_wait(&startProfile);
+	if (gSessionData->mSessionIsActive) {
+		// Time out after duration seconds
+		// Add a second for host-side filtering
+		sleep(gSessionData->mDuration + 1);
+		if (gSessionData->mSessionIsActive) {
+			logg->logMessage("Duration expired.");
+			child->endSession();
+		}
+	}
+	logg->logMessage("Exit duration thread");
+	return 0;
+}
+
+void* stopThread(void* pVoid) {
+	int length;
+	char type;
+	OlySocket* socket = child->socket;
+
+	prctl(PR_SET_NAME, (unsigned int)&"gatord-stopper", 0, 0, 0);
+	while (gSessionData->mSessionIsActive) {
+		// This thread will stall until the APC_STOP or PING command is received over the socket or the socket is disconnected
+		if (socket->receiveNBytes(&type, sizeof(type)) > 0) {
+			if ((type != COMMAND_APC_STOP) && (type != COMMAND_PING)) {
+				logg->logMessage("INVESTIGATE: Received unknown command type %d", type);
+			} else {
+				// verify a length of zero
+				if (socket->receiveNBytes((char*)&length, sizeof(length)) < 0) {
+					break;
+				}
+
+				if (length == 0) {
+					if (type == COMMAND_APC_STOP) {
+						logg->logMessage("Stop command received.");
+						child->endSession();
+					} else {
+						// Ping is used to make sure gator is alive and requires an ACK as the response
+						logg->logMessage("Ping command received.");
+						sender->writeData(NULL, 0, RESPONSE_ACK);
+					}
+				} else {
+					logg->logMessage("INVESTIGATE: Received stop command but with length = %d", length);
+				}
+			}
+		}
+	}
+
+	logg->logMessage("Exit stop thread");
+	return 0;
+}
+
+void* senderThread(void* pVoid) {
+	int length;
+	char* data;
+	char end_sequence[] = {RESPONSE_APC_DATA, 0, 0, 0, 0};
+
+	sem_post(&senderThreadStarted);
+	prctl(PR_SET_NAME, (unsigned int)&"gatord-sender", 0, 0, 0);
+	sem_wait(&haltPipeline);
+
+	do {
+		data = collectorFifo->read(&length);
+		sender->writeData(data, length, RESPONSE_APC_DATA);
+	} while (length > 0);
+
+	// write end-of-capture sequence
+	if (!gSessionData->mLocalCapture) {
+		sender->writeData(end_sequence, sizeof(end_sequence), RESPONSE_APC_DATA);
+	}
+
+	logg->logMessage("Exit sender thread");
+	return 0;
+}
+
+Child::Child() {
+	initialization();
+	gSessionData->mLocalCapture = true;
+}
+
+Child::Child(OlySocket* sock, int conn) {
+	initialization();
+	socket = sock;
+	mNumConnections = conn;
+}
+
+Child::~Child() {
+}
+
+void Child::initialization() {
+	// Set up different handlers for signals
+	gSessionData->mSessionIsActive = true;
+	signal(SIGINT, child_handler);
+	signal(SIGTERM, child_handler);
+	signal(SIGABRT, child_handler);
+	signal(SIGALRM, child_handler);
+	socket = NULL;
+	numExceptions = 0;
+	mNumConnections = 0;
+
+	// Initialize semaphores
+	sem_init(&senderThreadStarted, 0, 0);
+	sem_init(&startProfile, 0, 0);
+}
+
+void Child::endSession() {
+	gSessionData->mSessionIsActive = false;
+	collector->stop();
+	sem_post(&haltPipeline);
+}
+
+void Child::run() {
+	char* collectBuffer;
+	int bytesCollected = 0;
+	LocalCapture* localCapture = NULL;
+	pthread_t durationThreadID, stopThreadID, senderThreadID;
+
+	prctl(PR_SET_NAME, (unsigned int)&"gatord-child", 0, 0, 0);
+
+	// Disable line wrapping when generating xml files; carriage returns and indentation to be added manually
+	mxmlSetWrapMargin(0);
+
+	// Instantiate the Sender - must be done first, after which error messages can be sent
+	sender = new Sender(socket);
+
+	if (mNumConnections > 1) {
+		logg->logError(__FILE__, __LINE__, "Session already in progress");
+		handleException();
+	}
+
+	// Populate gSessionData with the configuration
+	new ConfigurationXML();
+
+	// Set up the driver; must be done after gSessionData->mPerfCounterType[] is populated
+	collector = new Collector();
+
+	// Start up and parse session xml
+	if (socket) {
+		// Respond to Streamline requests
+		StreamlineSetup ss(socket);
+	} else {
+		char* xmlString;
+		xmlString = util->readFromDisk(gSessionData->mSessionXMLPath);
+		if (xmlString == 0) {
+			logg->logError(__FILE__, __LINE__, "Unable to read session xml file: %s", gSessionData->mSessionXMLPath);
+			handleException();
+		}
+		gSessionData->parseSessionXML(xmlString);
+		localCapture = new LocalCapture();
+		localCapture->createAPCDirectory(gSessionData->mTargetPath, gSessionData->mTitle);
+		localCapture->copyImages(gSessionData->mImages);
+		localCapture->write(xmlString);
+		sender->createDataFile(gSessionData->mAPCDir);
+		free(xmlString);
+	}
+
+	// Write configuration into the driver
+	collector->setupPerfCounters();
+
+	// Create user-space buffers, add 5 to the size to account for the 1-byte type and 4-byte length
+	logg->logMessage("Created %d MB collector buffer with a %d-byte ragged end", gSessionData->mTotalBufferSize, collector->getBufferSize());
+	collectorFifo = new Fifo(collector->getBufferSize() + 5, gSessionData->mTotalBufferSize* 1024 * 1024);
+
+	// Get the initial pointer to the collect buffer
+	collectBuffer = collectorFifo->start();
+
+	// Sender thread shall be halted until it is signaled for one shot mode
+	sem_init(&haltPipeline, 0, gSessionData->mOneShot ? 0 : 2);
+
+	// Create the duration, stop, and sender threads
+	bool thread_creation_success = true;
+	if (gSessionData->mDuration > 0 && pthread_create(&durationThreadID, NULL, durationThread, NULL)) {
+		thread_creation_success = false;
+	} else if (socket && pthread_create(&stopThreadID, NULL, stopThread, NULL)) {
+		thread_creation_success = false;
+	} else if (pthread_create(&senderThreadID, NULL, senderThread, NULL)){
+		thread_creation_success = false;
+	}
+
+	if (!thread_creation_success) {
+		logg->logError(__FILE__, __LINE__, "Failed to create gator threads");
+		handleException();
+	}
+
+	// Wait until thread has started
+	sem_wait(&senderThreadStarted);
+
+	// Start profiling
+	logg->logMessage("********** Profiling started **********");
+	collector->start();
+	sem_post(&startProfile);
+
+	// Collect Data
+	do {
+		// This command will stall until data is received from the driver
+		bytesCollected = collector->collect(collectBuffer);
+
+		// In one shot mode, stop collection once all the buffers are filled
+		if (gSessionData->mOneShot && gSessionData->mSessionIsActive) {
+			if (bytesCollected == -1 || collectorFifo->willFill(bytesCollected)) {
+				logg->logMessage("One shot");
+				endSession();
+			}
+		}
+		collectBuffer = collectorFifo->write(bytesCollected);
+	} while (bytesCollected > 0);
+	logg->logMessage("Exit collect data loop");
+
+	// Wait for the other threads to exit
+	pthread_join(senderThreadID, NULL);
+
+	// Shutting down the connection should break the stop thread which is stalling on the socket recv() function
+	if (socket) {
+		logg->logMessage("Waiting on stop thread");
+		socket->shutdownConnection();
+		pthread_join(stopThreadID, NULL);
+	}
+
+	// Write the captured xml file
+	if (gSessionData->mLocalCapture) {
+		CapturedXML capturedXML;
+		capturedXML.write(gSessionData->mAPCDir);
+	}
+
+	logg->logMessage("Profiling ended.");
+
+	delete collectorFifo;
+	delete sender;
+	delete collector;
+	delete localCapture;
+}
diff --git a/tools/gator/daemon/Child.h b/tools/gator/daemon/Child.h
new file mode 100644
index 00000000000..612ca7cf3e2
--- /dev/null
+++ b/tools/gator/daemon/Child.h
@@ -0,0 +1,31 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef	__CHILD_H__
+#define	__CHILD_H__
+
+#include <pthread.h>
+#include "Fifo.h"
+#include "OlySocket.h"
+
+class Child {
+public:
+	Child();
+	Child(OlySocket* sock, int numConnections);
+	~Child();
+	void run();
+	OlySocket *socket;
+	void endSession();
+	int numExceptions;
+private:
+	int mNumConnections;
+
+	void initialization();
+};
+
+#endif 	//__CHILD_H__
diff --git a/tools/gator/daemon/Collector.cpp b/tools/gator/daemon/Collector.cpp
new file mode 100644
index 00000000000..db7b9c08e77
--- /dev/null
+++ b/tools/gator/daemon/Collector.cpp
@@ -0,0 +1,291 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <fcntl.h>
+#include <malloc.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <sys/time.h>
+#include "Collector.h"
+#include "SessionData.h"
+#include "Logging.h"
+#include "Sender.h"
+
+extern void handleException();
+
+// Driver initialization independent of session settings
+Collector::Collector() {
+	char text[sizeof(gSessionData->mPerfCounterType[0]) + 30]; // sufficiently large to hold all /dev/gator/events/<types>/<file>
+
+	mBufferFD = 0;
+
+	checkVersion();
+
+	int enable = -1;
+	if (readIntDriver("/dev/gator/enable", &enable) != 0 || enable != 0) {
+		logg->logError(__FILE__, __LINE__, "Driver already enabled, possibly a session is already in progress.");
+		handleException();
+	}
+
+	readIntDriver("/dev/gator/cpu_cores", &gSessionData->mCores);
+	if (gSessionData->mCores == 0) {
+		gSessionData->mCores = 1;
+	}
+
+	mBufferSize = 0;
+	if (readIntDriver("/dev/gator/buffer_size", &mBufferSize) || mBufferSize <= 0) {
+		logg->logError(__FILE__, __LINE__, "Unable to read the driver buffer size");
+		handleException();
+	}
+
+	getCoreName();
+
+	enablePerfCounters();
+
+	// Read unchanging keys from driver which are created at insmod'ing of gator.ko
+	for (int i = 0; i < MAX_PERFORMANCE_COUNTERS; i++) {
+		if (gSessionData->mPerfCounterEnabled[i]) {
+			snprintf(text, sizeof(text), "/dev/gator/events/%s/key", gSessionData->mPerfCounterType[i]);
+			readIntDriver(text, &gSessionData->mPerfCounterKey[i]);
+		}
+	}
+}
+
+Collector::~Collector() {
+	// Write zero for safety, as a zero should have already been written
+	writeDriver("/dev/gator/enable", "0");
+
+	// Calls event_buffer_release in the driver
+	if (mBufferFD) {
+		close(mBufferFD);
+	}
+}
+
+#include <dirent.h>
+void Collector::enablePerfCounters() {
+	char text[sizeof(gSessionData->mPerfCounterType[0]) + 30]; // sufficiently large to hold all /dev/gator/events/<types>/enabled
+
+	// Initialize all perf counters in the driver, i.e. set enabled to zero
+	struct dirent *ent;
+	DIR* dir = opendir("/dev/gator/events");
+	if (dir) {
+		while ((ent = readdir(dir)) != NULL) {
+			// skip hidden files, current dir, and parent dir
+			if (ent->d_name[0] == '.')
+				continue;
+			snprintf(text, sizeof(text), "/dev/gator/events/%s/enabled", ent->d_name);
+			writeDriver(text, 0);
+		}
+		closedir (dir);
+	}
+
+	for (int i=0; i<MAX_PERFORMANCE_COUNTERS; i++) {
+		if (!gSessionData->mPerfCounterEnabled[i]) {
+			continue;
+		}
+		snprintf(text, sizeof(text), "/dev/gator/events/%s/enabled", gSessionData->mPerfCounterType[i]);
+		if (writeReadDriver(text, &gSessionData->mPerfCounterEnabled[i])) {
+			// Disable those events that don't exist on this hardware platform even though they exist in configuration.xml
+			gSessionData->mPerfCounterEnabled[i] = 0;
+			continue;
+		}
+	}
+}
+
+void Collector::setupPerfCounters() {
+	char base[sizeof(gSessionData->mPerfCounterType[0]) + 20]; // sufficiently large to hold all /dev/gator/events/<types>
+	char text[sizeof(gSessionData->mPerfCounterType[0]) + 30]; // sufficiently large to hold all /dev/gator/events/<types>/<file>
+
+	for (int i=0; i<MAX_PERFORMANCE_COUNTERS; i++) {
+		if (!gSessionData->mPerfCounterEnabled[i]) {
+			continue;
+		}
+		snprintf(base, sizeof(base), "/dev/gator/events/%s", gSessionData->mPerfCounterType[i]);
+		snprintf(text, sizeof(text), "%s/event", base);
+		writeDriver(text, gSessionData->mPerfCounterEvent[i]);
+		if (gSessionData->mPerfCounterEBSCapable[i]) {
+			snprintf(text, sizeof(text), "%s/count", base);
+			if (access(text, F_OK) == 0) {
+				if (writeReadDriver(text, &gSessionData->mPerfCounterCount[i]) && gSessionData->mPerfCounterCount[i] > 0) {
+					logg->logError(__FILE__, __LINE__, "Cannot enable EBS for %s:%s with a count of %d\n", gSessionData->mPerfCounterTitle[i], gSessionData->mPerfCounterName[i], gSessionData->mPerfCounterCount[i]);
+					handleException();
+				}
+			} else if (gSessionData->mPerfCounterCount[i] > 0) {
+				logg->logError(__FILE__, __LINE__, "Event Based Sampling is only supported with kernel versions 3.0.0 and higher with CONFIG_PERF_EVENTS=y, and CONFIG_HW_PERF_EVENTS=y\n");
+				handleException();
+			}
+		}
+	}
+}
+
+void Collector::checkVersion() {
+	int driver_version = 0;
+
+	if (readIntDriver("/dev/gator/version", &driver_version) == -1) {
+		logg->logError(__FILE__, __LINE__, "Error reading gator driver version");
+		handleException();
+	}
+
+	// Verify the driver version matches the daemon version
+	if (driver_version != PROTOCOL_VERSION) {
+		if ((driver_version > PROTOCOL_DEV) || (PROTOCOL_VERSION > PROTOCOL_DEV)) {
+			// One of the mismatched versions is development version
+			logg->logError(__FILE__, __LINE__,
+				"DEVELOPMENT BUILD MISMATCH: gator driver version \"%d\" is not in sync with gator daemon version \"%d\".\n"
+				">> The following must be synchronized from engineering repository:\n"
+				">> * gator driver\n"
+				">> * gator daemon\n"
+				">> * Streamline", driver_version, PROTOCOL_VERSION);
+			handleException();
+		} else {
+			// Release version mismatch
+			logg->logError(__FILE__, __LINE__, 
+				"gator driver version \"%d\" is different than gator daemon version \"%d\".\n"
+				">> Please upgrade the driver and daemon to the latest versions.", driver_version, PROTOCOL_VERSION);
+			handleException();
+		}
+	}
+}
+
+void Collector::start() {
+	// Set the maximum backtrace depth
+	if (writeReadDriver("/dev/gator/backtrace_depth", &gSessionData->mBacktraceDepth)) {
+		logg->logError(__FILE__, __LINE__, "Unable to set the driver backtrace depth");
+		handleException();
+	}
+
+	// open the buffer which calls userspace_buffer_open() in the driver
+	mBufferFD = open("/dev/gator/buffer", O_RDONLY);
+	if (mBufferFD < 0) {
+		logg->logError(__FILE__, __LINE__, "The gator driver did not set up properly. Please view the linux console or dmesg log for more information on the failure.");
+		handleException();
+	}
+
+	// set the tick rate of the profiling timer
+	if (writeReadDriver("/dev/gator/tick", &gSessionData->mSampleRate) != 0) {
+		logg->logError(__FILE__, __LINE__, "Unable to set the driver tick");
+		handleException();
+	}
+
+	// notify the kernel of the response type
+	int response_type = gSessionData->mLocalCapture ? 0 : RESPONSE_APC_DATA;
+	if (writeDriver("/dev/gator/response_type", response_type)) {
+		logg->logError(__FILE__, __LINE__, "Unable to write the response type");
+		handleException();
+	}
+
+	logg->logMessage("Start the driver");
+
+	// This command makes the driver start profiling by calling gator_op_start() in the driver
+	if (writeDriver("/dev/gator/enable", "1") != 0) {
+		logg->logError(__FILE__, __LINE__, "The gator driver did not start properly. Please view the linux console or dmesg log for more information on the failure.");
+		handleException();
+	}
+
+	lseek(mBufferFD, 0, SEEK_SET);
+}
+
+// These commands should cause the read() function in collect() to return
+void Collector::stop() {
+	// This will stop the driver from profiling
+	if (writeDriver("/dev/gator/enable", "0") != 0) {
+		logg->logMessage("Stopping kernel failed");
+	}
+}
+
+int Collector::collect(char* buffer) {
+	// Calls event_buffer_read in the driver
+	int bytesRead = read(mBufferFD, buffer, mBufferSize);
+
+	// If read() returned due to an interrupt signal, re-read to obtain the last bit of collected data
+	if (bytesRead == -1 && errno == EINTR) {
+		bytesRead = read(mBufferFD, buffer, mBufferSize);
+	}
+
+	// return the total bytes written
+	logg->logMessage("Driver read of %d bytes", bytesRead);
+	return bytesRead;
+}
+
+void Collector::getCoreName() {
+	char temp[256]; // arbitrarily large amount
+	strcpy(gSessionData->mCoreName, "unknown");
+
+	FILE* f = fopen("/proc/cpuinfo", "r");	
+	if (f == NULL) {
+		logg->logMessage("Error opening /proc/cpuinfo\n"
+			"The core name in the captured xml file will be 'unknown'.");
+		return;
+	}
+
+	while (fgets(temp, sizeof(temp), f)) {
+		if (strlen(temp) > 0) {
+			temp[strlen(temp) - 1] = 0;	// Replace the line feed with a null
+		}
+
+		if (strstr(temp, "Hardware") != 0) {
+			char* position = strchr(temp, ':');
+			if (position == NULL || (unsigned int)(position - temp) + 2 >= strlen(temp)) {
+				logg->logMessage("Unknown format of /proc/cpuinfo\n"
+					"The core name in the captured xml file will be 'unknown'.");
+				return;
+			}
+			strncpy(gSessionData->mCoreName, (char*)((int)position + 2), sizeof(gSessionData->mCoreName));
+			gSessionData->mCoreName[sizeof(gSessionData->mCoreName) - 1] = 0; // strncpy does not guarantee a null-terminated string
+			fclose(f);
+			return;
+		}
+	}
+
+	logg->logMessage("Could not determine core name from /proc/cpuinfo\n"
+		"The core name in the captured xml file will be 'unknown'.");
+	fclose(f);
+}
+
+int Collector::readIntDriver(const char* fullpath, int* value) {
+	FILE* file = fopen(fullpath, "r");
+	if (file == NULL) {
+		return -1;
+	}
+	if (fscanf(file, "%u", value) != 1) {
+		fclose(file);
+		logg->logMessage("Invalid value in file %s", fullpath);
+		return -1;
+	}
+	fclose(file);
+	return 0;
+}
+
+int Collector::writeDriver(const char* path, int value) {
+	char data[40]; // Sufficiently large to hold any integer
+	snprintf(data, sizeof(data), "%d", value);
+	return writeDriver(path, data);
+}
+
+int Collector::writeDriver(const char* fullpath, const char* data) {
+	int fd = open(fullpath, O_WRONLY);
+	if (fd < 0) {
+		return -1;
+	}
+	if (write(fd, data, strlen(data)) < 0) {
+		close(fd);
+		logg->logMessage("Opened but could not write to %s", fullpath);
+		return -1;
+	}
+	close(fd);
+	return 0;
+}
+
+int Collector::writeReadDriver(const char* path, int* value) {
+	if (writeDriver(path, *value) || readIntDriver(path, value)) {
+		return -1;
+	}
+	return 0;
+}
diff --git a/tools/gator/daemon/Collector.h b/tools/gator/daemon/Collector.h
new file mode 100644
index 00000000000..5977a725ecc
--- /dev/null
+++ b/tools/gator/daemon/Collector.h
@@ -0,0 +1,37 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef	__COLLECTOR_H__
+#define	__COLLECTOR_H__
+
+#include <stdio.h>
+
+class Collector {
+public:
+	Collector();
+	~Collector();
+	void start();
+	void stop();
+	int collect(char* buffer);
+	void enablePerfCounters();
+	void setupPerfCounters();
+	int getBufferSize() {return mBufferSize;}
+private:
+	int mBufferSize;
+	int mBufferFD;
+
+	void checkVersion();
+	void getCoreName();
+
+	int readIntDriver(const char* path, int* value);
+	int writeDriver(const char* path, int value);
+	int writeDriver(const char* path, const char* data);
+	int writeReadDriver(const char* path, int* value);
+};
+
+#endif 	//__COLLECTOR_H__
diff --git a/tools/gator/daemon/ConfigurationXML.cpp b/tools/gator/daemon/ConfigurationXML.cpp
new file mode 100644
index 00000000000..145ddbdd736
--- /dev/null
+++ b/tools/gator/daemon/ConfigurationXML.cpp
@@ -0,0 +1,188 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <string.h>
+#include <stdlib.h>
+#include <dirent.h>
+#include "ConfigurationXML.h"
+#include "Logging.h"
+#include "OlyUtility.h"
+#include "SessionData.h"
+
+extern void handleException();
+
+static const char*	ATTR_COUNTER     = "counter";
+static const char*  ATTR_REVISION    = "revision";
+static const char* 	ATTR_TITLE       = "title";
+static const char* 	ATTR_NAME        = "name";
+static const char*	ATTR_EVENT       = "event";
+static const char*	ATTR_COLOR       = "color";
+static const char*	ATTR_COUNT       = "count";
+static const char*	ATTR_OPERATION   = "operation";
+static const char*	ATTR_PER_CPU     = "per_cpu";
+static const char*  ATTR_DESCRIPTION = "description";
+static const char*	ATTR_EBS         = "event_based_sampling";
+static const char*  ATTR_LEVEL       = "level";
+static const char*  ATTR_ALIAS       = "alias";
+static const char*  ATTR_DISPLAY     = "display";
+static const char*  ATTR_UNITS       = "units";
+static const char*  ATTR_AVERAGE_SELECTION = "average_selection";
+
+ConfigurationXML::ConfigurationXML() {
+#include "configuration_xml.h" // defines and initializes char configuration_xml[] and int configuration_xml_len
+	mIndex = 0;
+	char* path = (char*)malloc(PATH_MAX);
+
+	if (gSessionData->mConfigurationXMLPath) {
+		strncpy(path, gSessionData->mConfigurationXMLPath, PATH_MAX);
+	} else {
+		if (util->getApplicationFullPath(path, PATH_MAX) != 0) {
+			logg->logMessage("Unable to determine the full path of gatord, the cwd will be used");
+		}
+		strncat(path, "configuration.xml", PATH_MAX - strlen(path) - 1);
+	}
+	mConfigurationXML = util->readFromDisk(path);
+
+	if (mConfigurationXML == NULL) {
+		logg->logMessage("Unable to locate configuration.xml, using default in binary");
+		// null-terminate configuration_xml
+		mConfigurationXML = (char*)malloc(configuration_xml_len + 1);
+		memcpy(mConfigurationXML, (const void*)configuration_xml, configuration_xml_len);
+		mConfigurationXML[configuration_xml_len] = 0;
+	}
+
+	// disable all counters prior to parsing the configuration xml
+	for (int i = 0; i < MAX_PERFORMANCE_COUNTERS; i++) {
+		gSessionData->mPerfCounterEnabled[i] = 0;
+	}
+
+	int ret = parse(mConfigurationXML);
+	if (ret == 1) {
+		// remove configuration.xml on disk to use the default
+		if (remove(path) != 0) {
+			logg->logError(__FILE__, __LINE__, "Invalid configuration.xml file detected and unable to delete it. To resolve, delete configuration.xml on disk");
+			handleException();
+		}
+		logg->logMessage("Invalid configuration.xml file detected and removed");
+	}
+	
+	validate();
+
+	free(path);
+}
+
+ConfigurationXML::~ConfigurationXML() {
+	if (mConfigurationXML) {
+		free((void*)mConfigurationXML);
+	}
+}
+
+int ConfigurationXML::parse(const char* configurationXML) {
+	mxml_node_t *tree, *node;
+	int ret;
+
+	tree = mxmlLoadString(NULL, configurationXML, MXML_NO_CALLBACK);
+
+	node = mxmlGetFirstChild(tree);
+	while (node && mxmlGetType(node) != MXML_ELEMENT)
+		node = mxmlWalkNext(node, tree, MXML_NO_DESCEND);
+	
+	ret = configurationsTag(node);
+
+	node = mxmlGetFirstChild(node);
+	while (node) {
+		if (mxmlGetType(node) != MXML_ELEMENT) {
+			node = mxmlWalkNext(node, tree, MXML_NO_DESCEND);
+			continue;
+		}
+		configurationTag(node);
+		node = mxmlWalkNext(node, tree, MXML_NO_DESCEND);
+	}
+
+	mxmlDelete(tree);
+
+	return ret;
+}
+
+void ConfigurationXML::validate(void) {
+	for (int i = 0; i < MAX_PERFORMANCE_COUNTERS; i++) {
+		if (gSessionData->mPerfCounterEnabled[i]) {
+			if (strcmp(gSessionData->mPerfCounterType[i], "") == 0) {
+				logg->logError(__FILE__, __LINE__, "Invalid required attribute in configuration.xml:\n  counter=\"%s\"\n  title=\"%s\"\n  name=\"%s\"\n  event=%d\n", gSessionData->mPerfCounterType[i], gSessionData->mPerfCounterTitle[i], gSessionData->mPerfCounterName[i], gSessionData->mPerfCounterEvent[i]);
+				handleException();
+			}
+
+			// iterate through the remaining enabled performance counters
+			for (int j = i + 1; j < MAX_PERFORMANCE_COUNTERS; j++) {
+				if (gSessionData->mPerfCounterEnabled[j]) {
+					// check if the types are the same
+					if (strcmp(gSessionData->mPerfCounterType[i], gSessionData->mPerfCounterType[j]) == 0) {
+						logg->logError(__FILE__, __LINE__, "Duplicate performance counter type in configuration.xml: %s", gSessionData->mPerfCounterType[i]);
+						handleException();
+					}
+				}
+			}
+		}
+	}
+}
+
+#define CONFIGURATION_REVISION 1
+int ConfigurationXML::configurationsTag(mxml_node_t *node) {
+	const char* revision_string;
+	
+	revision_string = mxmlElementGetAttr(node, ATTR_REVISION);
+	if (!revision_string) {
+		return 1; //revision issue;
+	}
+
+	int revision = strtol(revision_string, NULL, 10);
+	if (revision < CONFIGURATION_REVISION) {
+		return 1; // revision issue
+	}
+
+	return 0;
+}
+
+void ConfigurationXML::configurationTag(mxml_node_t *node) {
+	// handle all other performance counters
+	if (mIndex >= MAX_PERFORMANCE_COUNTERS) {
+		logg->logError(__FILE__, __LINE__, "Exceeded maximum number of %d performance counters", MAX_PERFORMANCE_COUNTERS);
+		handleException();
+	}
+
+	// read attributes
+	if (mxmlElementGetAttr(node, ATTR_COUNTER)) strncpy(gSessionData->mPerfCounterType[mIndex], mxmlElementGetAttr(node, ATTR_COUNTER), sizeof(gSessionData->mPerfCounterType[mIndex]));
+	if (mxmlElementGetAttr(node, ATTR_TITLE)) strncpy(gSessionData->mPerfCounterTitle[mIndex], mxmlElementGetAttr(node, ATTR_TITLE), sizeof(gSessionData->mPerfCounterTitle[mIndex]));
+	if (mxmlElementGetAttr(node, ATTR_NAME)) strncpy(gSessionData->mPerfCounterName[mIndex], mxmlElementGetAttr(node, ATTR_NAME), sizeof(gSessionData->mPerfCounterName[mIndex]));
+	if (mxmlElementGetAttr(node, ATTR_DESCRIPTION)) strncpy(gSessionData->mPerfCounterDescription[mIndex], mxmlElementGetAttr(node, ATTR_DESCRIPTION), sizeof(gSessionData->mPerfCounterDescription[mIndex]));
+	if (mxmlElementGetAttr(node, ATTR_EVENT)) gSessionData->mPerfCounterEvent[mIndex] = strtol(mxmlElementGetAttr(node, ATTR_EVENT), NULL, 16);
+	if (mxmlElementGetAttr(node, ATTR_COUNT)) gSessionData->mPerfCounterCount[mIndex] = strtol(mxmlElementGetAttr(node, ATTR_COUNT), NULL, 10);
+	if (mxmlElementGetAttr(node, ATTR_COLOR)) gSessionData->mPerfCounterColor[mIndex] = strtol(mxmlElementGetAttr(node, ATTR_COLOR), NULL, 16);
+	if (mxmlElementGetAttr(node, ATTR_PER_CPU)) gSessionData->mPerfCounterPerCPU[mIndex] = util->stringToBool(mxmlElementGetAttr(node, ATTR_PER_CPU), false);
+	if (mxmlElementGetAttr(node, ATTR_EBS)) gSessionData->mPerfCounterEBSCapable[mIndex] = util->stringToBool(mxmlElementGetAttr(node, ATTR_EBS), false);
+	if (mxmlElementGetAttr(node, ATTR_OPERATION)) strncpy(gSessionData->mPerfCounterOperation[mIndex], mxmlElementGetAttr(node, ATTR_OPERATION), sizeof(gSessionData->mPerfCounterOperation[mIndex]));
+	if (mxmlElementGetAttr(node, ATTR_LEVEL)) gSessionData->mPerfCounterLevel[mIndex] = util->stringToBool(mxmlElementGetAttr(node, ATTR_LEVEL), false);
+	if (mxmlElementGetAttr(node, ATTR_ALIAS)) strncpy(gSessionData->mPerfCounterAlias[mIndex], mxmlElementGetAttr(node, ATTR_ALIAS), sizeof(gSessionData->mPerfCounterAlias[mIndex]));
+	if (mxmlElementGetAttr(node, ATTR_DISPLAY)) strncpy(gSessionData->mPerfCounterDisplay[mIndex], mxmlElementGetAttr(node, ATTR_DISPLAY), sizeof(gSessionData->mPerfCounterDisplay[mIndex]));
+	if (mxmlElementGetAttr(node, ATTR_UNITS)) strncpy(gSessionData->mPerfCounterUnits[mIndex], mxmlElementGetAttr(node, ATTR_UNITS), sizeof(gSessionData->mPerfCounterUnits[mIndex]));
+	if (mxmlElementGetAttr(node, ATTR_AVERAGE_SELECTION)) gSessionData->mPerfCounterAverageSelection[mIndex] = util->stringToBool(mxmlElementGetAttr(node, ATTR_AVERAGE_SELECTION), false);
+	gSessionData->mPerfCounterEnabled[mIndex] = true;
+
+	// strncpy does not guarantee a null-termianted string
+	gSessionData->mPerfCounterType[mIndex][sizeof(gSessionData->mPerfCounterType[mIndex]) - 1] = 0;
+	gSessionData->mPerfCounterTitle[mIndex][sizeof(gSessionData->mPerfCounterTitle[mIndex]) - 1] = 0;
+	gSessionData->mPerfCounterName[mIndex][sizeof(gSessionData->mPerfCounterName[mIndex]) - 1] = 0;
+	gSessionData->mPerfCounterDescription[mIndex][sizeof(gSessionData->mPerfCounterDescription[mIndex]) - 1] = 0;
+	gSessionData->mPerfCounterOperation[mIndex][sizeof(gSessionData->mPerfCounterOperation[mIndex]) - 1] = 0;
+	gSessionData->mPerfCounterAlias[mIndex][sizeof(gSessionData->mPerfCounterAlias[mIndex]) - 1] = 0;
+	gSessionData->mPerfCounterDisplay[mIndex][sizeof(gSessionData->mPerfCounterDisplay[mIndex]) - 1] = 0;
+	gSessionData->mPerfCounterUnits[mIndex][sizeof(gSessionData->mPerfCounterUnits[mIndex]) - 1] = 0;
+
+	// update counter index
+	mIndex++;
+}
diff --git a/tools/gator/daemon/ConfigurationXML.h b/tools/gator/daemon/ConfigurationXML.h
new file mode 100644
index 00000000000..b48d32f978d
--- /dev/null
+++ b/tools/gator/daemon/ConfigurationXML.h
@@ -0,0 +1,29 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef COUNTERS_H
+#define COUNTERS_H
+
+#include "mxml/mxml.h"
+
+class ConfigurationXML {
+public:
+	ConfigurationXML();
+	~ConfigurationXML();
+	const char* getConfigurationXML() {return mConfigurationXML;}
+	void validate(void);
+private:
+	char* mConfigurationXML;
+	int mIndex;
+
+	int parse(const char* xmlFile);
+	int configurationsTag(mxml_node_t *node);
+	void configurationTag(mxml_node_t *node);
+};
+
+#endif // COUNTERS_H
diff --git a/tools/gator/daemon/Fifo.cpp b/tools/gator/daemon/Fifo.cpp
new file mode 100644
index 00000000000..bbfc9198b30
--- /dev/null
+++ b/tools/gator/daemon/Fifo.cpp
@@ -0,0 +1,126 @@
+/**

+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.

+ *

+ * This program is free software; you can redistribute it and/or modify

+ * it under the terms of the GNU General Public License version 2 as

+ * published by the Free Software Foundation.

+ */

+

+#include <stdlib.h>

+#include <string.h>

+#include <unistd.h>

+#include "Fifo.h"

+#include "Logging.h"

+

+extern void handleException();

+

+// bufferSize is the amount of data to be filled

+// singleBufferSize is the maximum size that may be filled during a single write

+// (bufferSize + singleBufferSize) will be allocated

+Fifo::Fifo(int singleBufferSize, int bufferSize) {

+	mWrite = mRead = mReadCommit = mRaggedEnd = 0;

+	mWrapThreshold = bufferSize;

+	mSingleBufferSize = singleBufferSize;

+	mBuffer = (char*)valloc(bufferSize + singleBufferSize);

+	mEnd = false;

+

+	if (mBuffer == NULL) {

+		logg->logError(__FILE__, __LINE__, "failed to allocate %d bytes", bufferSize + singleBufferSize);

+		handleException();

+	}

+

+	if (sem_init(&mWaitForSpaceSem, 0, 0) || sem_init(&mWaitForDataSem, 0, 0)) {

+		logg->logError(__FILE__, __LINE__, "sem_init() failed");

+		handleException();

+	}

+}

+

+Fifo::~Fifo() {

+	free(mBuffer);

+}

+

+int Fifo::numBytesFilled() {

+	return mWrite - mRead + mRaggedEnd;

+}

+

+char* Fifo::start() {

+	return mBuffer;

+}

+

+bool Fifo::isEmpty() {

+	return mRead == mWrite;

+}

+

+bool Fifo::isFull() {

+	return willFill(0);

+}

+

+// Determines if the buffer will fill assuming 'additional' bytes will be added to the buffer

+// comparisons use '<', read and write pointers must never equal when not empty

+// 'full' means there is less than singleBufferSize bytes available; it does not mean there are zero bytes available

+bool Fifo::willFill(int additional) {

+	if (mWrite > mRead) {

+		if (numBytesFilled() + additional < mWrapThreshold) {

+			return false;

+		}

+	} else {

+		if (numBytesFilled() + additional < mWrapThreshold - mSingleBufferSize) {

+			return false;

+		}

+	}

+	return true;

+}

+

+// This function will stall until contiguous singleBufferSize bytes are available

+char* Fifo::write(int length) {

+	if (length <= 0) {

+		length = 0;

+		mEnd = true;

+	}

+

+	// update the write pointer

+	mWrite += length;

+

+	// handle the wrap-around

+	if (mWrite >= mWrapThreshold) {

+		mRaggedEnd = mWrite;

+		mWrite = 0;

+	}

+

+	// send a notification that data is ready

+	sem_post(&mWaitForDataSem);

+

+	// wait for space

+	while (isFull()) {

+		sem_wait(&mWaitForSpaceSem);

+	}

+

+	return &mBuffer[mWrite];

+}

+

+// This function will stall until data is available

+char* Fifo::read(int* length) {

+	// update the read pointer now that the data has been handled

+	mRead = mReadCommit;

+

+	// handle the wrap-around

+	if (mRead >= mWrapThreshold) {

+		mRaggedEnd = mRead = mReadCommit = 0;

+	}

+

+	// send a notification that data is free (space is available)

+	sem_post(&mWaitForSpaceSem);

+

+	// wait for data

+	while (isEmpty() && !mEnd) {

+		sem_wait(&mWaitForDataSem);

+	}

+

+	// obtain the length

+	do {

+		mReadCommit = mRaggedEnd ? mRaggedEnd : mWrite;

+		*length = mReadCommit - mRead;

+	} while (*length < 0); // plugs race condition without using semaphores

+

+	return &mBuffer[mRead];

+}

diff --git a/tools/gator/daemon/Fifo.h b/tools/gator/daemon/Fifo.h
new file mode 100644
index 00000000000..548ba278806
--- /dev/null
+++ b/tools/gator/daemon/Fifo.h
@@ -0,0 +1,33 @@
+/**

+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.

+ *

+ * This program is free software; you can redistribute it and/or modify

+ * it under the terms of the GNU General Public License version 2 as

+ * published by the Free Software Foundation.

+ */

+

+#ifndef	__FIFO_H__

+#define	__FIFO_H__

+

+#include <semaphore.h>

+

+class Fifo {

+public:

+	Fifo(int singleBufferSize, int totalBufferSize);

+	~Fifo();

+	int numBytesFilled();

+	bool isEmpty();

+	bool isFull();

+	bool willFill(int additional);

+	char* start();

+	char* write(int length);

+	char* read(int* length);

+

+private:

+	int		mSingleBufferSize, mWrite, mRead, mReadCommit, mRaggedEnd, mWrapThreshold;

+	sem_t	mWaitForSpaceSem, mWaitForDataSem;

+	char*	mBuffer;

+	bool	mEnd;

+};

+

+#endif 	//__FIFO_H__

diff --git a/tools/gator/daemon/LocalCapture.cpp b/tools/gator/daemon/LocalCapture.cpp
new file mode 100644
index 00000000000..6449d035214
--- /dev/null
+++ b/tools/gator/daemon/LocalCapture.cpp
@@ -0,0 +1,214 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "LocalCapture.h"
+#include "SessionData.h"
+#include "Logging.h"
+#include "OlyUtility.h"
+
+extern void handleException();
+
+LocalCapture::LocalCapture() {}
+
+LocalCapture::~LocalCapture() {}
+
+void LocalCapture::createAPCDirectory(char* target_path, char* name) {
+	gSessionData->mAPCDir = createUniqueDirectory(target_path, ".apc", name);
+	if ((removeDirAndAllContents(gSessionData->mAPCDir) != 0 || mkdir(gSessionData->mAPCDir, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH) != 0)) {
+		logg->logError(__FILE__, __LINE__, "Unable to create directory %s", gSessionData->mAPCDir);
+		handleException();
+	}
+}
+
+void LocalCapture::write(char* string) {
+	char* file = (char*)malloc(PATH_MAX);
+
+	// Set full path
+	snprintf(file, PATH_MAX, "%s/session.xml", gSessionData->mAPCDir);
+
+	// Write the file
+	if (util->writeToDisk(file, string) < 0) {
+		logg->logError(__FILE__, __LINE__, "Error writing %s\nPlease verify the path.", file);
+		handleException();
+	}
+
+	free(file);
+}
+
+char* LocalCapture::createUniqueDirectory(const char* initialPath, const char* ending, char* title) {
+	int i;
+	char* output;
+	char* path = (char*)malloc(PATH_MAX);
+
+	// Ensure the path is an absolute path, i.e. starts with a slash
+	if (initialPath == 0 || strlen(initialPath) == 0) {
+		if (getcwd(path, PATH_MAX) == 0) {
+			logg->logMessage("Unable to retrive the current working directory");
+		}
+		strncat(path, "/@F_@N", PATH_MAX - strlen(path) - 1);
+	} else if (initialPath[0] != '/') {
+		if (getcwd(path, PATH_MAX) == 0) {
+			logg->logMessage("Unable to retrive the current working directory");
+		}
+		strncat(path, "/", PATH_MAX - strlen(path) - 1);
+		strncat(path, initialPath, PATH_MAX - strlen(path) - 1);
+	} else {
+		strncpy(path, initialPath, PATH_MAX);
+		path[PATH_MAX - 1] = 0; // strncpy does not guarantee a null-terminated string
+	}
+
+	// Convert to uppercase
+	replaceAll(path, "@f", "@F", PATH_MAX);
+	replaceAll(path, "@n", "@N", PATH_MAX);
+
+	// Replace @F with the session xml title
+	replaceAll(path, "@F", title, PATH_MAX);
+
+	// Add ending if it is not already there
+	if (strcmp(&path[strlen(path) - strlen(ending)], ending) != 0) {
+		strncat(path, ending, PATH_MAX - strlen(path) - 1);
+	}
+
+	// Replace @N with a unique integer
+	if (strstr(path, "@N")) {
+		char* tempPath = (char*)malloc(PATH_MAX);
+		for (i = 1; i < 1000; i++) {
+			char number[4];
+			snprintf(number, sizeof(number), "%03d", i);
+			strcpy(tempPath, path);
+			replaceAll(tempPath, "@N", number, PATH_MAX);
+			struct stat mFileInfo;
+			if (stat(tempPath, &mFileInfo) != 0) {
+				// if the direcotry does not exist, break
+				break;
+			}
+		}
+
+		if (i == 1000) {
+			logg->logError(__FILE__, __LINE__, "Unable to create .apc directory, please delete older directories.");
+			handleException();
+		}
+
+		output = strdup(tempPath);
+		free(tempPath);
+	} else {
+		output = strdup(path);
+	}
+
+	free(path);
+	return output;
+}
+
+//Replaces all occurrences of <find> in <target> with <replace> provided enough <size> is available
+void LocalCapture::replaceAll(char* target, const char* find, const char* replace, unsigned int size) {
+	char* nextOccurrence;
+	unsigned int count = 0;
+
+	// Duplicate the original string
+	char* original = strdup(target);
+	char* ptr = original;
+
+	// Determine number of <find>s
+	ptr = strstr(ptr, find);
+	while (ptr) {
+		count++;
+		ptr += strlen(find);
+		ptr = strstr(ptr, find);
+	}
+
+	// Is there enough space available
+	if (strlen(target) + (strlen(replace) - strlen(find)) * count > size - 1) {
+		free(original);
+		return;
+	}
+
+	// Reset
+	ptr = original;
+
+	nextOccurrence = strstr(ptr, find);
+	while (nextOccurrence) {
+		// Move pointers to location of replace
+		int length = nextOccurrence - ptr;
+		target += length;
+		ptr += length;
+
+		// Replace <find> with <replace>
+		memcpy(target, replace, strlen(replace));
+
+		// Increment over <replace>/<find>
+		target += strlen(replace);
+		ptr += strlen(find);
+
+		// Copy remainder of ptr
+		strcpy(target, ptr);
+
+		// Get next occurrence
+		nextOccurrence = strstr(ptr, find);
+	}
+
+	free(original);
+}
+
+int LocalCapture::removeDirAndAllContents(char* path) {
+	int error = 0;
+	struct stat mFileInfo;
+	// Does the path exist?
+	if (stat(path, &mFileInfo) == 0) {
+		// Is it a directory?
+		if (mFileInfo.st_mode & S_IFDIR) {
+			DIR * dir = opendir(path);
+			dirent* entry = readdir(dir);
+			while (entry) {
+				if (strcmp(entry->d_name, ".") != 0 && strcmp(entry->d_name, "..") != 0) {
+					char* newpath = (char*)malloc(strlen(path) + strlen(entry->d_name) + 2);
+					sprintf(newpath, "%s/%s", path, entry->d_name);
+					error = removeDirAndAllContents(newpath);
+					free(newpath);
+					if (error) {
+						break;
+					}
+				}
+				entry = readdir(dir);
+			}
+			closedir(dir);
+			if (error == 0) {
+				error = rmdir(path);
+			}
+		} else {
+			error = remove(path);
+		}
+	}
+	return error;
+}
+
+void LocalCapture::copyImages(ImageLinkList* ptr) {
+	char* dstfilename = (char*)malloc(PATH_MAX);
+
+	while (ptr) {
+		strncpy(dstfilename, gSessionData->mAPCDir, PATH_MAX);
+		dstfilename[PATH_MAX - 1] = 0; // strncpy does not guarantee a null-terminated string
+		if (gSessionData->mAPCDir[strlen(gSessionData->mAPCDir) - 1] != '/') {
+			strncat(dstfilename, "/", PATH_MAX - strlen(dstfilename) - 1);
+		}
+		strncat(dstfilename, util->getFilePart(ptr->path), PATH_MAX - strlen(dstfilename) - 1);
+		if (util->copyFile(ptr->path, dstfilename)) {
+			logg->logMessage("copied file %s to %s", ptr->path, dstfilename);
+		} else {
+			logg->logMessage("copy of file %s to %s failed", ptr->path, dstfilename);
+		}
+
+		ptr = ptr->next;
+	}
+	free(dstfilename);
+}
diff --git a/tools/gator/daemon/LocalCapture.h b/tools/gator/daemon/LocalCapture.h
new file mode 100644
index 00000000000..ca37f6e7b51
--- /dev/null
+++ b/tools/gator/daemon/LocalCapture.h
@@ -0,0 +1,27 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef	__LOCAL_CAPTURE_H__
+#define	__LOCAL_CAPTURE_H__
+
+#include "SessionXML.h"
+
+class LocalCapture {
+public:
+	LocalCapture();
+	~LocalCapture();
+	void write(char* string);
+	void copyImages(ImageLinkList* ptr);
+	void createAPCDirectory(char* target_path, char* name);
+private:
+	char* createUniqueDirectory(const char* path, const char* ending, char* title);
+	void replaceAll(char* target, const char* find, const char* replace, unsigned int size);
+	int removeDirAndAllContents(char* path);
+};
+
+#endif 	//__LOCAL_CAPTURE_H__
diff --git a/tools/gator/daemon/Logging.cpp b/tools/gator/daemon/Logging.cpp
new file mode 100755
index 00000000000..3e6f8a388a4
--- /dev/null
+++ b/tools/gator/daemon/Logging.cpp
@@ -0,0 +1,79 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include "OlyUtility.h"
+
+#ifdef WIN32
+#define MUTEX_INIT()	mLoggingMutex = CreateMutex(NULL, false, NULL);
+#define MUTEX_LOCK()	WaitForSingleObject(mLoggingMutex, 0xFFFFFFFF);
+#define MUTEX_UNLOCK()	ReleaseMutex(mLoggingMutex);
+#define snprintf		_snprintf
+#else
+#include <pthread.h>
+#define MUTEX_INIT()	pthread_mutex_init(&mLoggingMutex, NULL)
+#define MUTEX_LOCK()	pthread_mutex_lock(&mLoggingMutex)
+#define MUTEX_UNLOCK()	pthread_mutex_unlock(&mLoggingMutex)
+#endif
+
+#include "Logging.h"
+
+// Global thread-safe logging
+Logging* logg = NULL;
+
+Logging::Logging(bool debug) {
+	mDebug = debug;
+	MUTEX_INIT();
+
+	strcpy(mErrBuf, "Unknown Error");
+	strcpy(mLogBuf, "Unknown Message");
+}
+
+Logging::~Logging() {
+}
+
+void Logging::logError(const char* file, int line, const char* fmt, ...) {
+	va_list	args;
+
+	MUTEX_LOCK();
+	if (mDebug) {
+		snprintf(mErrBuf, sizeof(mErrBuf), "ERROR[%s:%d]: ", file, line);
+	} else {
+		mErrBuf[0] = 0;
+	}
+
+	va_start(args, fmt);
+	vsnprintf(mErrBuf + strlen(mErrBuf), sizeof(mErrBuf) - 2 - strlen(mErrBuf), fmt, args); //  subtract 2 for \n and \0
+	va_end(args);
+
+	if (strlen(mErrBuf) > 0) {
+		strcat(mErrBuf, "\n");
+	}
+	MUTEX_UNLOCK();
+}
+
+void Logging::logMessage(const char* fmt, ...) {
+	if (mDebug) {
+		va_list	args;
+
+		MUTEX_LOCK();
+		strcpy(mLogBuf, "INFO: ");
+
+		va_start(args, fmt);
+		vsnprintf(mLogBuf + strlen(mLogBuf), sizeof(mLogBuf) - 2 - strlen(mLogBuf), fmt, args); //  subtract 2 for \n and \0
+		va_end(args);
+		strcat(mLogBuf, "\n");
+
+		fprintf(stdout, "%s", mLogBuf);
+		fflush(stdout);
+		MUTEX_UNLOCK();
+	}
+}
diff --git a/tools/gator/daemon/Logging.h b/tools/gator/daemon/Logging.h
new file mode 100755
index 00000000000..424796658f7
--- /dev/null
+++ b/tools/gator/daemon/Logging.h
@@ -0,0 +1,45 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef	__LOGGING_H__
+#define	__LOGGING_H__
+
+#include <stdio.h>
+#include <string.h>
+#include <limits.h>
+#ifdef WIN32
+#include <windows.h>
+#else
+#include <pthread.h>
+#endif
+
+#define DRIVER_ERROR "\n Driver issue:\n  >> gator.ko must be built against the current kernel version & configuration\n  >> gator.ko should be co-located with gatord in the same directory\n  >>   OR insmod gator.ko prior to launching gatord"
+
+class Logging {
+public:
+	Logging(bool debug);
+	~Logging();
+	void logError(const char* file, int line, const char* fmt, ...);
+	void logMessage(const char* fmt, ...);
+	char* getLastError() {return mErrBuf;}
+	char* getLastMessage() {return mLogBuf;}
+
+private:
+	char	mErrBuf[4096]; // Arbitrarily large buffer to hold a string
+	char	mLogBuf[4096]; // Arbitrarily large buffer to hold a string
+	bool	mDebug;
+#ifdef WIN32
+	HANDLE	mLoggingMutex;
+#else
+	pthread_mutex_t	mLoggingMutex;
+#endif
+};
+
+extern Logging* logg;
+
+#endif 	//__LOGGING_H__
diff --git a/tools/gator/daemon/Makefile b/tools/gator/daemon/Makefile
new file mode 100644
index 00000000000..c517a873728
--- /dev/null
+++ b/tools/gator/daemon/Makefile
@@ -0,0 +1,46 @@
+#
+# Makefile for ARM Streamline - Gator Daemon
+#
+
+# Uncomment and define CROSS_COMPILE if it is not already defined
+# CROSS_COMPILE=/path/to/cross-compiler/arm-none-linux-gnueabi-
+ARCH=arm
+
+CPP=$(CROSS_COMPILE)g++
+GCC=$(CROSS_COMPILE)gcc
+
+# -g produces debugging information
+# -O3 maximum optimization
+# -O0 no optimization, used for debugging
+# -Wall enables most warnings
+# -Werror treats warnings as errors
+# -std=c++0x is the planned new c++ standard
+# -std=c++98 is the 1998 c++ standard
+# -march=armv5t is required to set the minimum architecture
+# -mthumb-interwork is required for interworking to ARM or Thumb stdlibc
+CFLAGS=-O3 -Wall -Werror -Wno-error=sequence-point
+TARGET=gatord
+C_SRC = $(wildcard mxml/*.c)
+CPP_SRC  = $(wildcard *.cpp)
+TGT_OBJS = $(CPP_SRC:%.cpp=%.o) \
+           $(C_SRC:%.c=%.o)
+
+all: $(TARGET)
+
+%.o: %.c *.h
+	$(GCC) -c $(CFLAGS) -o $@ $<
+
+%.o: %.cpp *.h
+	$(CPP) -c $(CFLAGS) -o $@ $<
+
+$(TARGET): convert $(TGT_OBJS)
+	$(CPP) -s -o $@ $(TGT_OBJS) -lc -lrt -lpthread
+	rm events_xml.h configuration_xml.h
+
+convert:
+	cat events_header.xml events-*\.xml events_footer.xml > events.xml
+	xxd -i events.xml > events_xml.h
+	xxd -i configuration.xml > configuration_xml.h
+
+clean:
+	rm -f *.o mxml/*.o $(TARGET) events.xml events_xml.h configuration_xml.h
diff --git a/tools/gator/daemon/OlySocket.cpp b/tools/gator/daemon/OlySocket.cpp
new file mode 100755
index 00000000000..a3bf74647cd
--- /dev/null
+++ b/tools/gator/daemon/OlySocket.cpp
@@ -0,0 +1,261 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <stdio.h>
+#ifdef WIN32
+#include <Winsock2.h>
+#else
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#include <netdb.h>
+#endif
+#include "OlySocket.h"
+#include "Logging.h"
+
+#ifdef WIN32
+#define CLOSE_SOCKET(x) closesocket(x)
+#define SHUTDOWN_RX_TX	SD_BOTH
+#define snprintf				_snprintf
+#else
+#define CLOSE_SOCKET(x) close(x)
+#define SHUTDOWN_RX_TX	SHUT_RDWR
+#endif
+
+extern void handleException();
+
+OlySocket::OlySocket(int port, bool multiple) {
+#ifdef WIN32
+	WSADATA wsaData;
+	if (WSAStartup(0x0202, &wsaData) != 0) {
+		logg->logError(__FILE__, __LINE__, "Windows socket initialization failed");
+		handleException();
+	}
+#endif
+
+	if (multiple) {
+		createServerSocket(port);
+	} else {
+		createSingleServerConnection(port);
+	}
+}
+
+OlySocket::OlySocket(int port, char* host) {
+	mFDServer = 0;
+	createClientSocket(host, port);
+}
+
+OlySocket::~OlySocket() {
+	if (mSocketID > 0) {
+		CLOSE_SOCKET(mSocketID);
+	}
+}
+
+void OlySocket::shutdownConnection() {
+	// Shutdown is primarily used to unblock other threads that are blocking on send/receive functions
+	shutdown(mSocketID, SHUTDOWN_RX_TX);
+}
+
+void OlySocket::closeSocket() {
+	// Used for closing an accepted socket but keeping the server socket active
+	if (mSocketID > 0) {
+		CLOSE_SOCKET(mSocketID);
+		mSocketID = -1;
+	}
+}
+
+void OlySocket::closeServerSocket() {
+	if (CLOSE_SOCKET(mFDServer) != 0) {
+		logg->logError(__FILE__, __LINE__, "Failed to close server socket.");
+		handleException();
+	}
+	mFDServer = 0;
+}
+
+void OlySocket::createClientSocket(char* hostname, int portno) {
+#ifdef WIN32
+	// TODO: Implement for Windows
+#else
+	char buf[32];
+	struct addrinfo hints, *res, *res0;
+
+	snprintf(buf, sizeof(buf), "%d", portno);
+	mSocketID = -1;
+	memset((void*)&hints, 0, sizeof(hints));
+	hints.ai_family = PF_UNSPEC;
+	hints.ai_socktype = SOCK_STREAM;
+
+	if (getaddrinfo(hostname, buf, &hints, &res0)) {
+		logg->logError(__FILE__, __LINE__, "Client socket failed to get address info for %s", hostname);
+		handleException();
+	}
+	for (res=res0; res!=NULL; res = res->ai_next) {
+		if ( res->ai_family != PF_INET || res->ai_socktype != SOCK_STREAM ) {
+			continue;
+		}
+		mSocketID = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
+		if (mSocketID < 0) {
+			continue;
+		}
+		if (connect(mSocketID, res->ai_addr, res->ai_addrlen) < 0) {
+			close(mSocketID);
+			mSocketID = -1;
+		}
+		if (mSocketID > 0) {
+			break;
+		}
+	}
+	freeaddrinfo(res0);
+	if (mSocketID <= 0) {
+		logg->logError(__FILE__, __LINE__, "Could not connect to client socket. Ensure ARM Streamline is running.");
+		handleException();
+	}
+#endif
+}
+
+void OlySocket::createSingleServerConnection(int port) {
+	createServerSocket(port);
+
+	mSocketID = acceptConnection();
+	closeServerSocket();
+}
+
+void OlySocket::createServerSocket(int port) {
+	// Create socket
+	mFDServer = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
+	if (mFDServer < 0) {
+		logg->logError(__FILE__, __LINE__, "Error creating server socket");
+		handleException();
+	}
+
+	// Enable address reuse, another solution would be to create the server socket once and only close it when the object exits
+	int on = 1;
+	if (setsockopt(mFDServer, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on)) != 0) {
+		logg->logError(__FILE__, __LINE__, "Setting server socket options failed");
+		handleException();
+	}
+
+	// Create sockaddr_in structure, ensuring non-populated fields are zero
+	struct sockaddr_in	sockaddr;
+	memset((void*)&sockaddr, 0, sizeof(struct sockaddr_in));
+	sockaddr.sin_family = AF_INET;
+	sockaddr.sin_port   = htons(port);
+	sockaddr.sin_addr.s_addr = INADDR_ANY;
+	
+	// Bind the socket to an address
+	if (bind(mFDServer, (const struct sockaddr*)&sockaddr, sizeof(sockaddr)) < 0) {
+		logg->logError(__FILE__, __LINE__, "Binding of server socket failed.\nIs an instance already running?");
+		handleException();
+	}
+
+	// Listen for connections on this socket
+	if (listen(mFDServer, 1) < 0) {
+		logg->logError(__FILE__, __LINE__, "Listening of server socket failed");
+		handleException();
+	}
+}
+
+// mSocketID is always set to the most recently accepted connection
+// The user of this class should maintain the different socket connections, e.g. by forking the process
+int OlySocket::acceptConnection() {
+	if (mFDServer <= 0) {
+		logg->logError(__FILE__, __LINE__, "Attempting multiple connections on a single connection server socket or attempting to accept on a client socket");
+		handleException();
+	}
+
+	// Accept a connection, note that this call blocks until a client connects
+	mSocketID = accept(mFDServer, NULL, NULL);
+	if (mSocketID < 0) {
+		logg->logError(__FILE__, __LINE__, "Socket acceptance failed");
+		handleException();
+	}
+	return mSocketID;
+}
+
+void OlySocket::send(char* buffer, int size) {
+	if (size <= 0 || buffer == NULL) {
+		return;
+	}
+
+	while (size > 0) {
+		int n = ::send(mSocketID, buffer, size, 0);
+		if (n < 0) {
+			logg->logError(__FILE__, __LINE__, "Socket send error");
+			handleException();
+		}
+		size -= n;
+		buffer += n;
+	}
+}
+
+// Returns the number of bytes received
+int OlySocket::receive(char* buffer, int size) {
+	if (size <= 0 || buffer == NULL) {
+		return 0;
+	}
+
+	int bytes = recv(mSocketID, buffer, size, 0);
+	if (bytes < 0) {
+		logg->logError(__FILE__, __LINE__, "Socket receive error");
+		handleException();
+	} else if (bytes == 0) {
+		logg->logMessage("Socket disconnected");
+		return -1;
+	}
+	return bytes;
+}
+
+// Receive exactly size bytes of data. Note, this function will block until all bytes are received
+int OlySocket::receiveNBytes(char* buffer, int size) {
+	int bytes = 0;
+	while (size > 0 && buffer != NULL) {
+		bytes = recv(mSocketID, buffer, size, 0);
+		if (bytes < 0) {
+			logg->logError(__FILE__, __LINE__, "Socket receive error");
+			handleException();
+		} else if (bytes == 0) {
+			logg->logMessage("Socket disconnected");
+			return -1;
+		}
+		buffer += bytes;
+		size -= bytes;
+	}
+	return bytes;
+}
+
+// Receive data until a carriage return, line feed, or null is encountered, or the buffer fills
+int OlySocket::receiveString(char* buffer, int size) {
+	int bytes_received = 0;
+	bool found = false;
+
+	if (buffer == 0) {
+		return 0;
+	}
+
+	while (!found && bytes_received < size) {
+		// Receive a single character
+		int bytes = recv(mSocketID, &buffer[bytes_received], 1, 0);
+		if (bytes < 0) {
+			logg->logError(__FILE__, __LINE__, "Socket receive error");
+			handleException();
+		} else if (bytes == 0) {
+			logg->logMessage("Socket disconnected");
+			return -1;
+		}
+
+		// Replace carriage returns and line feeds with zero
+		if (buffer[bytes_received] == '\n' || buffer[bytes_received] == '\r' || buffer[bytes_received] == '\0') {
+			buffer[bytes_received] = '\0';
+			found = true;
+		}
+
+		bytes_received++;
+	}
+
+	return bytes_received;
+}
diff --git a/tools/gator/daemon/OlySocket.h b/tools/gator/daemon/OlySocket.h
new file mode 100755
index 00000000000..266a831a56b
--- /dev/null
+++ b/tools/gator/daemon/OlySocket.h
@@ -0,0 +1,36 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef	__OLY_SOCKET_H__
+#define	__OLY_SOCKET_H__
+
+#include <string.h>
+
+class OlySocket {
+public:
+	OlySocket(int port, bool multipleConnections = false);
+	OlySocket(int port, char* hostname);
+	~OlySocket();
+	int acceptConnection();
+	void closeSocket();
+	void closeServerSocket();
+	void shutdownConnection();
+	void send(char* buffer, int size);
+	void sendString(const char* string) {send((char*)string, strlen(string));}
+	int receive(char* buffer, int size);
+	int receiveNBytes(char* buffer, int size);
+	int receiveString(char* buffer, int size);
+	int getSocketID() {return mSocketID;}
+private:
+	int mSocketID, mFDServer;
+	void createClientSocket(char* hostname, int port);
+	void createSingleServerConnection(int port);
+	void createServerSocket(int port);
+};
+
+#endif 	//__OLY_SOCKET_H__
diff --git a/tools/gator/daemon/OlyUtility.cpp b/tools/gator/daemon/OlyUtility.cpp
new file mode 100755
index 00000000000..ec852df5ed8
--- /dev/null
+++ b/tools/gator/daemon/OlyUtility.cpp
@@ -0,0 +1,254 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#ifndef WIN32
+#include <unistd.h>
+#else
+#include <Windows.h>
+#endif
+
+#include "OlyUtility.h"
+
+OlyUtility* util = NULL;
+
+bool OlyUtility::stringToBool(const char* string, bool defValue) {
+	char value[32];
+
+	strncpy(value, string, sizeof(value));
+	if (value[0] == 0) {
+		return defValue;
+	}
+	value[sizeof(value) - 1] = 0; // strncpy does not guarantee a null-terminated string
+
+	// Convert to lowercase
+	int i = 0;
+	while (value[i]) {
+		value[i] = tolower(value[i]);
+		i++;
+	}
+
+	if (strcmp(value, "true") == 0 || strcmp(value, "yes") == 0 || strcmp(value, "1") == 0 || strcmp(value, "on") == 0) {
+		return true;
+	} else if (strcmp(value, "false") == 0 || strcmp(value, "no") == 0 || strcmp(value, "0") == 0 || strcmp(value, "off") == 0) {
+		return false;
+	} else {
+		return defValue;
+	}
+}
+
+void OlyUtility::stringToLower(char* string) {
+	if (string == NULL) {
+		return;
+	}
+
+	while (*string) {
+		*string = tolower(*string);
+		string++;
+	}
+}
+
+// Modifies fullpath with the path part including the trailing path separator
+int OlyUtility::getApplicationFullPath(char* fullpath, int sizeOfPath) {
+	memset(fullpath, 0, sizeOfPath);
+#ifdef WIN32
+	int length = GetModuleFileName(NULL, fullpath, sizeOfPath);
+#else
+	int length = readlink("/proc/self/exe", fullpath, sizeOfPath);
+#endif
+
+	if (length == sizeOfPath) {
+		return -1;
+	}
+
+	fullpath[length] = 0;
+	fullpath = getPathPart(fullpath);
+
+	return 0;
+}
+
+char* OlyUtility::readFromDisk(const char* file, unsigned int *size, bool appendNull) {
+	// Open the file
+	FILE* pFile = fopen(file, "rb");
+	if (pFile==NULL) {
+		return NULL;
+	}
+
+	// Obtain file size
+	fseek(pFile , 0 , SEEK_END);
+	unsigned int lSize = ftell(pFile);
+	rewind(pFile);
+
+	// Allocate memory to contain the whole file
+	char* buffer = (char*)malloc(lSize + (int)appendNull);
+	if (buffer == NULL) {
+		fclose(pFile);
+		return NULL;
+	}
+
+	// Copy the file into the buffer
+	if (fread(buffer, 1, lSize, pFile) != lSize) {
+		free(buffer);
+		fclose(pFile);
+		return NULL;
+	}
+
+	// Terminate
+	fclose(pFile);
+
+	if (appendNull) {
+		buffer[lSize] = 0;
+	}
+
+	if (size) {
+		*size = lSize;
+	}
+
+	return buffer;
+}
+
+int OlyUtility::writeToDisk(const char* path, const char* data) {
+	// Open the file
+	FILE* pFile = fopen(path, "wb");
+	if (pFile == NULL) {
+		return -1;
+	}
+
+	// Write the data to disk
+	if (fwrite(data, 1, strlen(data), pFile) != strlen(data)) {
+		fclose(pFile);
+		return -1;
+	}
+
+	// Terminate
+	fclose(pFile);
+	return 0;
+}
+
+int OlyUtility::appendToDisk(const char* path, const char* data) {
+	// Open the file
+	FILE* pFile = fopen(path, "a");
+	if (pFile == NULL) {
+		return -1;
+	}
+
+	// Write the data to disk
+	if (fwrite(data, 1, strlen(data), pFile) != strlen(data)) {
+		fclose(pFile);
+		return -1;
+	}
+
+	// Terminate
+	fclose(pFile);
+	return 0;
+}
+
+/**
+ * Copies the srcFile into dstFile in 1kB chunks.
+ * The dstFile will be overwritten if it exists.
+ * 0 is returned on an error; otherwise 1.
+ */
+#define TRANSFER_SIZE 1024
+int OlyUtility::copyFile(const char* srcFile, const char* dstFile) {
+	char* buffer = (char*)malloc(TRANSFER_SIZE);
+	FILE * f_src = fopen(srcFile,"rb");
+	if (!f_src) {
+		return 0;
+	}
+	FILE * f_dst = fopen(dstFile,"wb");
+	if (!f_dst) {
+		fclose(f_src);
+		return 0;
+	}
+	while (!feof(f_src)) {
+		int num_bytes_read = fread(buffer, 1, TRANSFER_SIZE, f_src);
+		if (num_bytes_read < TRANSFER_SIZE && !feof(f_src)) {
+			fclose(f_src);
+			fclose(f_dst);
+			return 0;
+		}
+		int num_bytes_written = fwrite(buffer, 1, num_bytes_read, f_dst);
+		if (num_bytes_written != num_bytes_read) {
+			fclose(f_src);
+			fclose(f_dst);
+			return 0;
+		}
+	}
+	fclose(f_src);
+	fclose(f_dst);
+	free(buffer);
+	return 1;
+}
+
+const char* OlyUtility::getFilePart(const char* path) {
+	const char* last_sep = strrchr(path, PATH_SEPARATOR);
+
+	// in case path is not a full path
+	if (last_sep == NULL) {
+		return path;
+	}
+
+	return (const char*)((int)last_sep + 1);
+}
+
+// getPathPart may modify the contents of path
+// returns the path including the trailing path separator
+char* OlyUtility::getPathPart(char* path) {
+	char* last_sep = strrchr(path, PATH_SEPARATOR);
+
+	// in case path is not a full path
+	if (last_sep == NULL) {
+		return 0;
+	}
+	*(char*)((int)last_sep + 1) = 0;
+
+	return (path);
+}
+
+// whitespace callback utility function used with mini-xml
+const char * mxmlWhitespaceCB(mxml_node_t *node, int loc) {
+	const char *name;
+
+	name = mxmlGetElement(node);
+
+	if (loc == MXML_WS_BEFORE_OPEN) {
+		// Single indentation
+		if (!strcmp(name, "target") || !strcmp(name, "counters"))
+			return("\n  ");
+
+		// Double indentation
+		if (!strcmp(name, "counter"))
+			return("\n    ");
+
+		// Avoid a carriage return on the first line of the xml file
+		if (!strncmp(name, "?xml", 4))
+			return(NULL);
+
+		// Default - no indentation
+		return("\n");
+	}
+
+	if (loc == MXML_WS_BEFORE_CLOSE) {
+		// No indentation
+		if (!strcmp(name, "captured"))
+			return("\n");
+
+		// Single indentation
+		if (!strcmp(name, "counters"))
+			return("\n  ");
+
+		// Default - no carriage return
+		return(NULL);
+	}
+
+	return(NULL);
+}
diff --git a/tools/gator/daemon/OlyUtility.h b/tools/gator/daemon/OlyUtility.h
new file mode 100755
index 00000000000..793a733d8d4
--- /dev/null
+++ b/tools/gator/daemon/OlyUtility.h
@@ -0,0 +1,38 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef OLY_UTILITY_H
+#define OLY_UTILITY_H
+
+#ifdef WIN32
+#define PATH_SEPARATOR '\\'
+#else
+#define PATH_SEPARATOR '/'
+#endif
+
+class OlyUtility {
+public:
+	OlyUtility() {};
+	~OlyUtility() {};
+	bool stringToBool(const char* string, bool defValue);
+	void stringToLower(char* string);
+	int getApplicationFullPath(char* path, int sizeOfPath);
+	char* readFromDisk(const char* file, unsigned int *size = NULL, bool appendNull = true);
+	int writeToDisk(const char* path, const char* file);
+	int appendToDisk(const char* path, const char* file);
+	int copyFile(const char* srcFile, const char* dstFile);
+	const char* getFilePart(const char* path);
+	char* getPathPart(char* path);
+private:
+};
+
+#include "mxml/mxml.h"
+const char * mxmlWhitespaceCB(mxml_node_t *node, int where);
+extern OlyUtility* util;
+
+#endif // OLY_UTILITY_H
diff --git a/tools/gator/daemon/Sender.cpp b/tools/gator/daemon/Sender.cpp
new file mode 100644
index 00000000000..efff7532a0d
--- /dev/null
+++ b/tools/gator/daemon/Sender.cpp
@@ -0,0 +1,110 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <string.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <sys/types.h>
+#include <arpa/inet.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "Sender.h"
+#include "Logging.h"
+#include "SessionData.h"
+
+extern void handleException();
+
+Sender::Sender(OlySocket* socket) {
+	mDataFile = NULL;
+	mDataSocket = NULL;
+
+	// Set up the socket connection
+	if (socket) {
+		char streamline[64] = {0};
+		mDataSocket = socket;
+
+		// Receive magic sequence - can wait forever
+		// Streamline will send data prior to the magic sequence for legacy support, which should be ignored for v4+
+		while (strcmp("STREAMLINE", streamline) != 0) {
+			if (mDataSocket->receiveString(streamline, sizeof(streamline)) == -1) {
+				logg->logError(__FILE__, __LINE__, "Socket disconnected");
+				handleException();
+			}
+		}
+
+		// Send magic sequence - must be done first, afterwhich error messages can be sent
+		char magic[] = {'G', 'A', 'T', 'O', 'R', '\n'};
+		mDataSocket->send(magic, sizeof(magic));
+
+		gSessionData->mWaitingOnCommand = true;
+		logg->logMessage("Completed magic sequence");
+	}
+
+	pthread_mutex_init(&mSendMutex, NULL);
+}
+
+Sender::~Sender() {
+	delete mDataSocket;
+	mDataSocket = NULL;
+	if (mDataFile) {
+		fclose(mDataFile);
+	}
+}
+
+void Sender::createDataFile(char* apcDir) {
+	if (apcDir == NULL) {
+		return;
+	}
+
+	mDataFileName = (char*)malloc(strlen(apcDir) + 12);
+	sprintf(mDataFileName, "%s/0000000000", apcDir);
+	mDataFile = fopen(mDataFileName, "wb");
+	if (!mDataFile) {
+		logg->logError(__FILE__, __LINE__, "Failed to open binary file: %s", mDataFileName);
+		handleException();
+	}
+}
+
+void Sender::writeData(const char* data, int length, int type) {
+	if (length < 0 || (data == NULL && length > 0)) {
+		return;
+	}
+
+	// Multiple threads call writeData()
+	pthread_mutex_lock(&mSendMutex);
+
+	// Send data over the socket connection
+	if (mDataSocket) {
+		// Start alarm
+		alarm(8);
+
+		// Send data over the socket, sending the type and size first
+		logg->logMessage("Sending data with length %d", length);
+		if (type != RESPONSE_APC_DATA) {
+			// type and length already added by the Collector for apc data
+			mDataSocket->send((char*)&type, 1);
+			mDataSocket->send((char*)&length, sizeof(length));
+		}
+		mDataSocket->send((char*)data, length);
+
+		// Stop alarm
+		alarm(0);
+	}
+
+	// Write data to disk as long as it is not meta data
+	if (mDataFile && type == RESPONSE_APC_DATA) {
+		logg->logMessage("Writing data with length %d", length);
+		// Send data to the data file
+		if (fwrite(data, 1, length, mDataFile) != (unsigned int)length) {
+			logg->logError(__FILE__, __LINE__, "Failed writing binary file %s", mDataFileName);
+			handleException();
+		}
+	}
+
+	pthread_mutex_unlock(&mSendMutex);
+}
diff --git a/tools/gator/daemon/Sender.h b/tools/gator/daemon/Sender.h
new file mode 100644
index 00000000000..98467e025c1
--- /dev/null
+++ b/tools/gator/daemon/Sender.h
@@ -0,0 +1,38 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef	__SENDER_H__
+#define	__SENDER_H__
+
+#include <stdio.h>
+#include <pthread.h>
+#include "OlySocket.h"
+
+enum {
+	RESPONSE_END = 0, // unused
+	RESPONSE_XML = 1,
+	RESPONSE_APC_DATA = 3,
+	RESPONSE_ACK = 4,
+	RESPONSE_NAK = 5,
+	RESPONSE_ERROR = 0xFF
+};
+
+class Sender {
+public:
+	Sender(OlySocket* socket);
+	~Sender();
+	void writeData(const char* data, int length, int type);
+	void createDataFile(char* apcDir);
+private:
+	OlySocket* mDataSocket;
+	FILE* mDataFile;
+	char* mDataFileName;
+	pthread_mutex_t mSendMutex;
+};
+
+#endif 	//__SENDER_H__
diff --git a/tools/gator/daemon/SessionData.cpp b/tools/gator/daemon/SessionData.cpp
new file mode 100644
index 00000000000..a245369a37a
--- /dev/null
+++ b/tools/gator/daemon/SessionData.cpp
@@ -0,0 +1,112 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <string.h>
+#include "SessionData.h"
+#include "SessionXML.h"
+#include "Logging.h"
+extern void handleException();
+
+SessionData* gSessionData = NULL;
+
+SessionData::SessionData() {
+	initialize();
+}
+
+SessionData::~SessionData() {
+}
+
+void SessionData::initialize() {
+	mWaitingOnCommand = false;
+	mSessionIsActive = false;
+	mLocalCapture = false;
+	mOneShot = false;
+	strcpy(mCoreName, "unknown");
+	mConfigurationXMLPath = NULL;
+	mSessionXMLPath = NULL;
+	mEventsXMLPath = NULL;
+	mAPCDir = NULL;
+	mSampleRate = 0;
+	mDuration = 0;
+	mBytes = 0;
+	mBacktraceDepth = 0;
+	mTotalBufferSize = 0;
+	mCores = 1;
+
+	initializeCounters();
+}
+
+void SessionData::initializeCounters() {
+	// PMU Counters
+	for (int i = 0; i < MAX_PERFORMANCE_COUNTERS; i++) {
+		mPerfCounterType[i][0] = 0;
+		mPerfCounterTitle[i][0] = 0;
+		mPerfCounterName[i][0] = 0;
+		mPerfCounterDescription[i][0] = 0;
+		mPerfCounterOperation[i][0] = 0;
+		mPerfCounterAlias[i][0] = 0;
+		mPerfCounterDisplay[i][0] = 0;
+		mPerfCounterUnits[i][0] = 0;
+		mPerfCounterEnabled[i] = 0;
+		mPerfCounterEvent[i] = 0;
+		mPerfCounterColor[i] = 0;
+		mPerfCounterKey[i] = 0;
+		mPerfCounterCount[i] = 0;
+		mPerfCounterPerCPU[i] = false;
+		mPerfCounterEBSCapable[i] = false;
+		mPerfCounterLevel[i] = false;
+		mPerfCounterAverageSelection[i] = false;
+	}
+}
+
+void SessionData::parseSessionXML(char* xmlString) {
+	SessionXML session(xmlString);
+	session.parse();
+
+	// Parameter error checking
+	if (session.parameters.output_path == 0 && session.parameters.target_path == 0) {
+		logg->logError(__FILE__, __LINE__, "No capture path (target or host) was provided.");
+		handleException();
+	} else if (gSessionData->mLocalCapture && session.parameters.target_path == 0) {
+		logg->logError(__FILE__, __LINE__, "Missing target_path tag in session xml required for a local capture.");
+		handleException();
+	}
+
+	// Set session data values
+	if (strcmp(session.parameters.sample_rate, "high") == 0) {
+		gSessionData->mSampleRate = 10000;
+	} else if (strcmp(session.parameters.sample_rate, "normal") == 0) {
+		gSessionData->mSampleRate = 1000;
+	} else if (strcmp(session.parameters.sample_rate, "low") == 0) {
+		gSessionData->mSampleRate = 100;
+	} else {
+		gSessionData->mSampleRate = 0;
+	}
+	gSessionData->mBacktraceDepth = session.parameters.call_stack_unwinding == true ? 128 : 0;
+	gSessionData->mDuration = session.parameters.duration;
+
+	// Determine buffer size (in MB) based on buffer mode
+	gSessionData->mOneShot = true;
+	if (strcmp(session.parameters.buffer_mode, "streaming") == 0) {
+		gSessionData->mOneShot = false;
+		gSessionData->mTotalBufferSize = 1;
+	} else if (strcmp(session.parameters.buffer_mode, "small") == 0) {
+		gSessionData->mTotalBufferSize = 1;
+	} else if (strcmp(session.parameters.buffer_mode, "normal") == 0) {
+		gSessionData->mTotalBufferSize = 4;
+	} else if (strcmp(session.parameters.buffer_mode, "large") == 0) {
+		gSessionData->mTotalBufferSize = 16;
+	} else {
+		logg->logError(__FILE__, __LINE__, "Invalid value for buffer mode in session xml.");
+		handleException();
+	}
+
+	gSessionData->mImages = session.parameters.images;
+	gSessionData->mTargetPath = session.parameters.target_path;
+	gSessionData->mTitle = session.parameters.title;
+}
diff --git a/tools/gator/daemon/SessionData.h b/tools/gator/daemon/SessionData.h
new file mode 100644
index 00000000000..7daee72a664
--- /dev/null
+++ b/tools/gator/daemon/SessionData.h
@@ -0,0 +1,75 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef SESSION_DATA_H
+#define SESSION_DATA_H
+
+#define MAX_PERFORMANCE_COUNTERS	50
+#define MAX_STRING_LEN				80
+#define MAX_DESCRIPTION_LEN			400
+
+#define PROTOCOL_VERSION	9
+#define PROTOCOL_DEV		1000	// Differentiates development versions (timestamp) from release versions
+
+struct ImageLinkList {
+	char* path;
+	struct ImageLinkList *next;
+};
+
+class SessionData {
+public:
+	SessionData();
+	~SessionData();
+	void initialize();
+	void initializeCounters();
+	void parseSessionXML(char* xmlString);
+
+	char mCoreName[MAX_STRING_LEN];
+	struct ImageLinkList *mImages;
+	char* mConfigurationXMLPath;
+	char* mSessionXMLPath;
+	char* mEventsXMLPath;
+	char* mTargetPath;
+	char* mAPCDir;
+	char* mTitle;
+
+	bool mWaitingOnCommand;
+	bool mSessionIsActive;
+	bool mLocalCapture;
+	bool mOneShot;		// halt processing of the driver data until profiling is complete or the buffer is filled
+	
+	int mBacktraceDepth;
+	int mTotalBufferSize;	// number of MB to use for the entire collection buffer
+	int mSampleRate;
+	int mDuration;
+	int mCores;
+	int mBytes;
+
+	// PMU Counters
+	char mPerfCounterType[MAX_PERFORMANCE_COUNTERS][MAX_STRING_LEN];
+	char mPerfCounterTitle[MAX_PERFORMANCE_COUNTERS][MAX_STRING_LEN];
+	char mPerfCounterName[MAX_PERFORMANCE_COUNTERS][MAX_STRING_LEN];
+	char mPerfCounterDescription[MAX_PERFORMANCE_COUNTERS][MAX_DESCRIPTION_LEN];
+	char mPerfCounterOperation[MAX_PERFORMANCE_COUNTERS][MAX_STRING_LEN];
+	char mPerfCounterAlias[MAX_PERFORMANCE_COUNTERS][MAX_STRING_LEN];
+	char mPerfCounterDisplay[MAX_PERFORMANCE_COUNTERS][MAX_STRING_LEN];
+	char mPerfCounterUnits[MAX_PERFORMANCE_COUNTERS][MAX_STRING_LEN];
+	int mPerfCounterEnabled[MAX_PERFORMANCE_COUNTERS];
+	int mPerfCounterEvent[MAX_PERFORMANCE_COUNTERS];
+	int mPerfCounterColor[MAX_PERFORMANCE_COUNTERS];
+	int mPerfCounterCount[MAX_PERFORMANCE_COUNTERS];
+	int mPerfCounterKey[MAX_PERFORMANCE_COUNTERS];
+	bool mPerfCounterPerCPU[MAX_PERFORMANCE_COUNTERS];
+	bool mPerfCounterEBSCapable[MAX_PERFORMANCE_COUNTERS];
+	bool mPerfCounterLevel[MAX_PERFORMANCE_COUNTERS];
+	bool mPerfCounterAverageSelection[MAX_PERFORMANCE_COUNTERS];
+};
+
+extern SessionData* gSessionData;
+
+#endif // SESSION_DATA_H
diff --git a/tools/gator/daemon/SessionXML.cpp b/tools/gator/daemon/SessionXML.cpp
new file mode 100644
index 00000000000..f1a8258b525
--- /dev/null
+++ b/tools/gator/daemon/SessionXML.cpp
@@ -0,0 +1,142 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <string.h>
+#include <stdlib.h>
+#include <limits.h>
+#include "SessionXML.h"
+#include "Logging.h"
+#include "OlyUtility.h"
+
+extern void handleException();
+
+static const char*	TAG_SESSION = "session";
+static const char*	TAG_IMAGE	= "image";
+
+static const char*	ATTR_VERSION            = "version";		
+static const char*	ATTR_TITLE              = "title";
+static const char*	ATTR_UUID               = "uuid";
+static const char*	ATTR_CALL_STACK_UNWINDING = "call_stack_unwinding";
+static const char*	ATTR_BUFFER_MODE        = "buffer_mode";
+static const char*	ATTR_SAMPLE_RATE        = "sample_rate";	
+static const char*	ATTR_TARGET_PATH        = "target_path";
+static const char*	ATTR_OUTPUT_PATH        = "output_path";
+static const char*	ATTR_DURATION           = "duration";
+static const char*	ATTR_PATH               = "path";
+
+SessionXML::SessionXML(const char* str) {
+	parameters.title = 0;
+	parameters.uuid[0] = 0;
+	parameters.target_path = 0;
+	parameters.output_path = 0;
+	parameters.buffer_mode[0] = 0;
+	parameters.sample_rate[0] = 0;
+	parameters.duration = 0;
+	parameters.call_stack_unwinding = false;
+	parameters.images = NULL;
+	mPath = 0;
+	mSessionXML = (char*)str;
+	logg->logMessage(mSessionXML);
+}
+
+SessionXML::~SessionXML() {
+	if (mPath != 0) {
+		free(mSessionXML);
+	}
+}
+
+void SessionXML::parse() {
+	mxml_node_t *tree;
+	mxml_node_t *node;
+
+	tree = mxmlLoadString(NULL, mSessionXML, MXML_NO_CALLBACK);
+	node = mxmlFindElement(tree, tree, TAG_SESSION, NULL, NULL, MXML_DESCEND);
+
+	if (node) {
+		sessionTag(tree, node);
+		mxmlDelete(tree);
+		return;
+	}
+
+	logg->logError(__FILE__, __LINE__, "No session tag found in the session.xml file");
+	handleException();
+}
+
+void SessionXML::sessionTag(mxml_node_t *tree, mxml_node_t *node) {
+	int version = 0;
+	if (mxmlElementGetAttr(node, ATTR_VERSION)) version = strtol(mxmlElementGetAttr(node, ATTR_VERSION), NULL, 10);
+	if (version != 1) {
+		logg->logError(__FILE__, __LINE__, "Invalid session.xml version: %d", version);
+		handleException();
+	}
+
+	// allocate strings
+	if (mxmlElementGetAttr(node, ATTR_TITLE)) {
+		parameters.title = strdup(mxmlElementGetAttr(node, ATTR_TITLE)); // freed when the child process exits
+		if (parameters.title == NULL) {
+			logg->logError(__FILE__, __LINE__, "failed to allocate parameters.title");
+			handleException();
+		}
+	}
+	if (mxmlElementGetAttr(node, ATTR_TARGET_PATH)) {
+		parameters.target_path = strdup(mxmlElementGetAttr(node, ATTR_TARGET_PATH)); // freed when the child process exits
+		if (parameters.target_path == NULL) {
+			logg->logError(__FILE__, __LINE__, "failed to allocate parameters.target_path");
+			handleException();
+		}
+	}
+	if (mxmlElementGetAttr(node, ATTR_OUTPUT_PATH)) {
+		parameters.output_path = strdup(mxmlElementGetAttr(node, ATTR_OUTPUT_PATH)); // freed when the child process exits
+		if (parameters.output_path == NULL) {
+			logg->logError(__FILE__, __LINE__, "failed to allocate parameters.output_path");
+			handleException();
+		}
+	}
+
+	// copy to pre-allocated strings
+	if (mxmlElementGetAttr(node, ATTR_UUID)) {
+		strncpy(parameters.uuid, mxmlElementGetAttr(node, ATTR_UUID), sizeof(parameters.uuid));
+		parameters.uuid[sizeof(parameters.uuid) - 1] = 0; // strncpy does not guarantee a null-terminated string
+	}
+	if (mxmlElementGetAttr(node, ATTR_BUFFER_MODE)) {
+		strncpy(parameters.buffer_mode, mxmlElementGetAttr(node, ATTR_BUFFER_MODE), sizeof(parameters.buffer_mode));
+		parameters.buffer_mode[sizeof(parameters.buffer_mode) - 1] = 0; // strncpy does not guarantee a null-terminated string
+	}
+	if (mxmlElementGetAttr(node, ATTR_SAMPLE_RATE)) {
+		strncpy(parameters.sample_rate, mxmlElementGetAttr(node, ATTR_SAMPLE_RATE), sizeof(parameters.sample_rate));
+		parameters.sample_rate[sizeof(parameters.sample_rate) - 1] = 0; // strncpy does not guarantee a null-terminated string
+	}
+
+	// integers/bools
+	parameters.call_stack_unwinding = util->stringToBool(mxmlElementGetAttr(node, ATTR_CALL_STACK_UNWINDING), false);
+	if (mxmlElementGetAttr(node, ATTR_DURATION)) parameters.duration = strtol(mxmlElementGetAttr(node, ATTR_DURATION), NULL, 10);
+
+	// parse subtags
+	node = mxmlGetFirstChild(node);
+	while (node) {
+		if (mxmlGetType(node) != MXML_ELEMENT) {
+			node = mxmlWalkNext(node, tree, MXML_NO_DESCEND);
+			continue;
+		}
+		if (strcmp(TAG_IMAGE, mxmlGetElement(node)) == 0) {
+			sessionImage(node);
+		}
+		node = mxmlWalkNext(node, tree, MXML_NO_DESCEND);
+	}
+}
+
+void SessionXML::sessionImage(mxml_node_t *node) {
+	int length = strlen(mxmlElementGetAttr(node, ATTR_PATH));
+	struct ImageLinkList *image;
+
+	image = (struct ImageLinkList *)malloc(sizeof(struct ImageLinkList));
+	image->path = (char*)malloc(length + 1);
+	image->path = strdup(mxmlElementGetAttr(node, ATTR_PATH));
+	image->next = parameters.images;
+	parameters.images = image;
+}
diff --git a/tools/gator/daemon/SessionXML.h b/tools/gator/daemon/SessionXML.h
new file mode 100644
index 00000000000..c2b54894441
--- /dev/null
+++ b/tools/gator/daemon/SessionXML.h
@@ -0,0 +1,40 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef SESSION_XML_H
+#define SESSION_XML_H
+
+#include "mxml/mxml.h"
+#include "SessionData.h"
+
+struct ConfigParameters {
+	char* title;		// status title
+	char uuid[64];		// universal unique identifier 
+	char* target_path;	// target path of where to write to disk
+	char* output_path;	// host path of where to write to disk
+	char buffer_mode[64];	// buffer mode, "streaming", "low", "normal", "high" defines oneshot and buffer size
+	char sample_rate[64];	// capture mode, "high", "normal", or "low"
+	int duration;		// length of profile in seconds
+	bool call_stack_unwinding;	// whether stack unwinding is performed
+	struct ImageLinkList *images;	// linked list of image strings
+};
+
+class SessionXML {
+public:
+	SessionXML(const char* str);
+	~SessionXML();
+	void parse();
+	ConfigParameters parameters;
+private:
+	char*  mSessionXML;
+	char*  mPath;
+	void sessionTag(mxml_node_t *tree, mxml_node_t *node);
+	void sessionImage(mxml_node_t *node);
+};
+
+#endif // SESSION_XML_H
diff --git a/tools/gator/daemon/StreamlineSetup.cpp b/tools/gator/daemon/StreamlineSetup.cpp
new file mode 100644
index 00000000000..53729ab0f6e
--- /dev/null
+++ b/tools/gator/daemon/StreamlineSetup.cpp
@@ -0,0 +1,331 @@
+/**
+ * Copyright (C) ARM Limited 2011-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <sys/types.h>
+#include <arpa/inet.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include "Sender.h"
+#include "Logging.h"
+#include "OlyUtility.h"
+#include "SessionData.h"
+#include "CapturedXML.h"
+#include "StreamlineSetup.h"
+#include "ConfigurationXML.h"
+
+extern void handleException();
+
+static const char* TAG_SESSION = "session";
+static const char* TAG_REQUEST = "request";
+static const char* TAG_CONFIGURATIONS = "configurations";
+
+static const char* 	ATTR_PROTOCOL		= "protocol";		
+static const char* 	ATTR_EVENTS			= "events";
+static const char* 	ATTR_CONFIGURATION	= "configuration";
+static const char* 	ATTR_COUNTERS		= "counters";
+static const char* 	ATTR_SESSION		= "session";
+static const char* 	ATTR_CAPTURED		= "captured";
+static const char*	ATTR_DEFAULTS		= "defaults";
+
+StreamlineSetup::StreamlineSetup(OlySocket* s) {
+	bool ready = false;
+	char* data = NULL;
+	int type;
+
+	mSocket = s;
+	mSessionXML = NULL;
+
+	// Receive commands from Streamline (master)
+	while (!ready) {
+		// receive command over socket
+		gSessionData->mWaitingOnCommand = true;
+		data = readCommand(&type);
+
+		// parse and handle data
+		switch (type) {
+			case COMMAND_REQUEST_XML:
+				handleRequest(data);
+				break;
+			case COMMAND_DELIVER_XML:
+				handleDeliver(data);
+				break;
+			case COMMAND_APC_START:
+				logg->logMessage("Received apc start request");
+				ready = true;
+				break;
+			case COMMAND_APC_STOP:
+				logg->logMessage("Received apc stop request before apc start request");
+				exit(0);
+				break;
+			case COMMAND_DISCONNECT:
+				logg->logMessage("Received disconnect command");
+				exit(0);
+				break;
+			case COMMAND_PING:
+				logg->logMessage("Received ping command");
+				sendData(NULL, 0, RESPONSE_ACK);
+				break;
+			default:
+				logg->logError(__FILE__, __LINE__, "Target error: Unknown command type, %d", type);
+				handleException();
+		}
+
+		free(data);
+	}
+}
+
+StreamlineSetup::~StreamlineSetup() {
+	if (mSessionXML) {
+		free(mSessionXML);
+	}
+}
+
+char* StreamlineSetup::readCommand(int* command) {
+	char type;
+	char* data;
+	int response, length;
+
+	// receive type
+	response = mSocket->receiveNBytes(&type, sizeof(type));
+
+	// After receiving a single byte, we are no longer waiting on a command
+	gSessionData->mWaitingOnCommand = false;
+
+	if (response < 0) {
+		logg->logError(__FILE__, __LINE__, "Target error: Unexpected socket disconnect");
+		handleException();
+	}
+
+	// receive length
+	response = mSocket->receiveNBytes((char*)&length, sizeof(length));
+	if (response < 0) {
+		logg->logError(__FILE__, __LINE__, "Target error: Unexpected socket disconnect");
+		handleException();
+	}
+
+	// add artificial limit
+	if ((length < 0) || length > 1024 * 1024) {
+		logg->logError(__FILE__, __LINE__, "Target error: Invalid length received, %d", length);
+		handleException();
+	}
+
+	// allocate memory to contain the xml file, size of zero returns a zero size object
+	data = (char*)calloc(length + 1, 1);
+	if (data == NULL) {
+		logg->logError(__FILE__, __LINE__, "Unable to allocate memory for xml");
+		handleException();
+	}
+
+	// receive data
+	response = mSocket->receiveNBytes(data, length);
+	if (response < 0) {
+		logg->logError(__FILE__, __LINE__, "Target error: Unexpected socket disconnect");
+		handleException();
+	}
+
+	// null terminate the data for string parsing
+	if (length > 0) {
+		data[length] = 0;
+	}
+
+	*command = type;
+	return data;
+}
+
+void StreamlineSetup::handleRequest(char* xml) {
+	mxml_node_t *tree, *node;
+
+	tree = mxmlLoadString(NULL, xml, MXML_NO_CALLBACK);
+	if ((node = mxmlFindElement(tree, tree, TAG_REQUEST, ATTR_PROTOCOL, NULL, MXML_DESCEND_FIRST)) && util->stringToBool(mxmlElementGetAttr(node, ATTR_PROTOCOL), false)) {
+		sendProtocol();
+		logg->logMessage("Sent protocol xml response");
+	} else if ((node = mxmlFindElement(tree, tree, TAG_REQUEST, ATTR_EVENTS, NULL, MXML_DESCEND_FIRST)) && util->stringToBool(mxmlElementGetAttr(node, ATTR_EVENTS), false)) {
+		sendEvents();
+		logg->logMessage("Sent events xml response");
+	} else if ((node = mxmlFindElement(tree, tree, TAG_REQUEST, ATTR_CONFIGURATION, NULL, MXML_DESCEND_FIRST)) && util->stringToBool(mxmlElementGetAttr(node, ATTR_CONFIGURATION), false)) {
+		sendConfiguration();
+		logg->logMessage("Sent configuration xml response");
+	} else if ((node = mxmlFindElement(tree, tree, TAG_REQUEST, ATTR_COUNTERS, NULL, MXML_DESCEND_FIRST)) && util->stringToBool(mxmlElementGetAttr(node, ATTR_COUNTERS), false)) {
+		sendCounters();
+		logg->logMessage("Sent counters xml response");
+	} else if ((node = mxmlFindElement(tree, tree, TAG_REQUEST, ATTR_SESSION, NULL, MXML_DESCEND_FIRST)) && util->stringToBool(mxmlElementGetAttr(node, ATTR_SESSION), false)) {
+		sendData(mSessionXML, strlen(mSessionXML), RESPONSE_XML);
+		logg->logMessage("Sent session xml response");
+	} else if ((node = mxmlFindElement(tree, tree, TAG_REQUEST, ATTR_CAPTURED, NULL, MXML_DESCEND_FIRST)) && util->stringToBool(mxmlElementGetAttr(node, ATTR_CAPTURED), false)) {
+		CapturedXML capturedXML;
+		char* capturedText = capturedXML.getXML();
+		sendData(capturedText, strlen(capturedText), RESPONSE_XML);
+		free(capturedText);
+		logg->logMessage("Sent captured xml response");
+	} else if ((node = mxmlFindElement(tree, tree, TAG_REQUEST, ATTR_DEFAULTS, NULL, MXML_DESCEND_FIRST)) && util->stringToBool(mxmlElementGetAttr(node, ATTR_DEFAULTS), false)) {
+		sendDefaults();
+		logg->logMessage("Sent default configuration xml response");
+	} else {
+		char error[] = "Unknown request";
+		sendData(error, strlen(error), RESPONSE_NAK);
+		logg->logMessage("Received unknown request:\n%s", xml);
+	}
+
+	mxmlDelete(tree);
+}
+
+void StreamlineSetup::handleDeliver(char* xml) {
+	mxml_node_t *tree;
+
+	// Determine xml type
+	tree = mxmlLoadString(NULL, xml, MXML_NO_CALLBACK);
+	if (mxmlFindElement(tree, tree, TAG_SESSION, NULL, NULL, MXML_DESCEND_FIRST)) {
+		// Session XML
+		gSessionData->parseSessionXML(xml);
+
+		// Save xml
+		mSessionXML = strdup(xml);
+		if (mSessionXML == NULL) {
+			logg->logError(__FILE__, __LINE__, "malloc failed for size %d", strlen(xml) + 1);
+			handleException();
+		}
+		sendData(NULL, 0, RESPONSE_ACK);
+		logg->logMessage("Received session xml");
+	} else if (mxmlFindElement(tree, tree, TAG_CONFIGURATIONS, NULL, NULL, MXML_DESCEND_FIRST)) {
+		// Configuration XML
+		writeConfiguration(xml);
+		sendData(NULL, 0, RESPONSE_ACK);
+		logg->logMessage("Received configuration xml");
+	} else {
+		// Unknown XML
+		logg->logMessage("Received unknown XML delivery type");
+		sendData(NULL, 0, RESPONSE_NAK);
+	}
+
+	mxmlDelete(tree);
+}
+
+void StreamlineSetup::sendData(const char* data, int length, int type) {
+	mSocket->send((char*)&type, 1);
+	mSocket->send((char*)&length, sizeof(length));
+	mSocket->send((char*)data, length);
+}
+
+void StreamlineSetup::sendProtocol() {
+	mxml_node_t *xml;
+    mxml_node_t *protocol;
+
+	xml = mxmlNewXML("1.0");
+	protocol = mxmlNewElement(xml, "protocol");
+	mxmlElementSetAttrf(protocol, "version", "%d", PROTOCOL_VERSION);
+
+	char* string = mxmlSaveAllocString(xml, mxmlWhitespaceCB);
+	sendString(string, RESPONSE_XML);
+
+	free(string);
+	mxmlDelete(xml);
+}
+
+void StreamlineSetup::sendEvents() {
+#include "events_xml.h" // defines and initializes char events_xml[] and int events_xml_len
+	char* path = (char*)malloc(PATH_MAX);;
+	char* buffer;
+	unsigned int size = 0;
+
+	if (gSessionData->mEventsXMLPath) {
+		strncpy(path, gSessionData->mEventsXMLPath, PATH_MAX);
+	} else {
+		util->getApplicationFullPath(path, PATH_MAX);
+		strncat(path, "events.xml", PATH_MAX - strlen(path) - 1);
+	}
+	buffer = util->readFromDisk(path, &size);
+	if (buffer == NULL) {
+		logg->logMessage("Unable to locate events.xml, using default");
+		buffer = (char*)events_xml;
+		size = events_xml_len;
+	}
+
+	sendData(buffer, size, RESPONSE_XML);
+	if (buffer != (char*)events_xml) {
+		free(buffer);
+	}
+	free(path);
+}
+
+void StreamlineSetup::sendConfiguration() {
+	ConfigurationXML xml;
+
+	const char* string = xml.getConfigurationXML();
+	sendData(string, strlen(string), RESPONSE_XML);
+}
+
+void StreamlineSetup::sendDefaults() {
+#include "configuration_xml.h" // defines and initializes char configuration_xml[] and int configuration_xml_len
+	// Send the config built into the binary
+	char* xml = (char*)configuration_xml;
+	unsigned int size = configuration_xml_len;
+
+	// Artificial size restriction
+	if (size > 1024*1024) {
+		logg->logError(__FILE__, __LINE__, "Corrupt default configuration file");
+		handleException();
+	}
+
+	sendData(xml, size, RESPONSE_XML);
+}
+
+#include <dirent.h>
+void StreamlineSetup::sendCounters() {
+	struct dirent *ent;
+	mxml_node_t *xml;
+    mxml_node_t *counters;
+	mxml_node_t *counter;
+
+	// counters.xml is simply a file listing of /dev/gator/events
+	DIR* dir = opendir("/dev/gator/events");
+	if (dir == NULL) {
+		logg->logError(__FILE__, __LINE__, "Cannot create counters.xml since unable to read /dev/gator/events");
+		handleException();
+	}
+
+	xml = mxmlNewXML("1.0");
+	counters = mxmlNewElement(xml, "counters");
+	while ((ent = readdir(dir)) != NULL) {
+		// skip hidden files, current dir, and parent dir
+		if (ent->d_name[0] == '.')
+			continue;
+		counter = mxmlNewElement(counters, "counter");
+		mxmlElementSetAttr(counter, "name", ent->d_name);
+	}
+	closedir (dir);
+
+	char* string = mxmlSaveAllocString(xml, mxmlWhitespaceCB);
+	sendString(string, RESPONSE_XML);
+
+	free(string);
+	mxmlDelete(xml);
+}
+
+void StreamlineSetup::writeConfiguration(char* xml) {
+	char* path = (char*)malloc(PATH_MAX);
+
+	if (gSessionData->mConfigurationXMLPath) {
+		strncpy(path, gSessionData->mConfigurationXMLPath, PATH_MAX);
+	} else {
+		util->getApplicationFullPath(path, PATH_MAX);
+		strncat(path, "configuration.xml", PATH_MAX - strlen(path) - 1);
+	}
+
+	if (util->writeToDisk(path, xml) < 0) {
+		logg->logError(__FILE__, __LINE__, "Error writing %s\nPlease verify write permissions to this path.", path);
+		handleException();
+	}
+
+	// Re-populate gSessionData with the configuration, as it has now changed
+	new ConfigurationXML();
+	free(path);
+}
diff --git a/tools/gator/daemon/StreamlineSetup.h b/tools/gator/daemon/StreamlineSetup.h
new file mode 100644
index 00000000000..c46ae0891a3
--- /dev/null
+++ b/tools/gator/daemon/StreamlineSetup.h
@@ -0,0 +1,46 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef	__STREAMLINE_SETUP_H__
+#define	__STREAMLINE_SETUP_H__
+
+#include "OlySocket.h"
+
+// Commands from Streamline
+enum {
+	COMMAND_REQUEST_XML = 0,
+	COMMAND_DELIVER_XML = 1,
+	COMMAND_APC_START   = 2,
+	COMMAND_APC_STOP    = 3,
+	COMMAND_DISCONNECT  = 4,
+	COMMAND_PING		= 5
+};
+
+class StreamlineSetup {
+public:
+	StreamlineSetup(OlySocket *socket);
+	~StreamlineSetup();
+private:
+	int mNumConnections;
+	OlySocket* mSocket;
+	char* mSessionXML;
+
+	char* readCommand(int*);
+	void handleRequest(char* xml);
+	void handleDeliver(char* xml);
+	void sendData(const char* data, int length, int type);
+	void sendString(const char* string, int type) {sendData(string, strlen(string), type);}
+	void sendProtocol();
+	void sendEvents();
+	void sendConfiguration();
+	void sendDefaults();
+	void sendCounters();
+	void writeConfiguration(char* xml);
+};
+
+#endif 	//__STREAMLINE_SETUP_H__
diff --git a/tools/gator/daemon/configuration.xml b/tools/gator/daemon/configuration.xml
new file mode 100644
index 00000000000..9d083d55c24
--- /dev/null
+++ b/tools/gator/daemon/configuration.xml
@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding='UTF-8'?>
+<configurations version="1" revision="1">
+  <configuration counter="ARM_ARM11_ccnt" title="Clock" name="Cycles" per_cpu="yes" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes" description="The number of core clock cycles"/>
+  <configuration counter="ARM_ARM11_cnt0" event="0x7" title="Instruction" name="Executed" per_cpu="yes" alias="InstructionsExecuted" description="Instructions executed"/>
+  <configuration counter="ARM_ARM11_cnt1" event="0xb" title="Cache" name="Data miss" per_cpu="yes" alias="L1Miss" description="Data cache miss, not including Cache Operations"/>
+  <configuration counter="ARM_ARM11MPCore_ccnt" title="Clock" name="Cycles" per_cpu="yes" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes" description="The number of core clock cycles"/>
+  <configuration counter="ARM_ARM11MPCore_cnt0" event="0x08" title="Core" name="Instructions" per_cpu="yes" alias="InstructionsExecuted" description="Instructions executed"/>
+  <configuration counter="ARM_ARM11MPCore_cnt1" event="0x0b" title="Cache" name="Data read miss" per_cpu="yes" alias="L1Miss" description="Data cache miss, not including Cache Operations"/>
+  <configuration counter="ARM_Cortex-A5_ccnt" title="Clock" name="Cycles" per_cpu="yes" event_based_sampling="yes" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes" description="The number of core clock cycles"/>
+  <configuration counter="ARM_Cortex-A5_cnt0" event="0x8" title="Instruction" name="Executed" per_cpu="yes" event_based_sampling="yes" alias="InstructionsExecuted" description="Instruction architecturally executed"/>
+  <configuration counter="ARM_Cortex-A5_cnt1" event="0x1" title="Cache" name="Instruction refill" per_cpu="yes" event_based_sampling="yes" description="Instruction fetch that causes a refill of at least the level of instruction or unified cache closest to the processor"/>
+  <configuration counter="ARM_Cortex-A7_ccnt" title="Clock" name="Cycles" per_cpu="yes" event_based_sampling="yes" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes" description="The number of core clock cycles"/>
+  <configuration counter="ARM_Cortex-A7_cnt0" event="0x08" title="Instruction" name="Executed" per_cpu="yes" event_based_sampling="yes" alias="InstructionsExecuted" description="Instruction architecturally executed"/>
+  <configuration counter="ARM_Cortex-A7_cnt1" event="0x10" title="Branch" name="Mispredicted" per_cpu="yes" event_based_sampling="yes" alias="BranchMispredicted" description="Branch mispredicted or not predicted"/>
+  <configuration counter="ARM_Cortex-A7_cnt2" event="0x16" title="Cache" name="L2 data access" per_cpu="yes" event_based_sampling="yes" alias="L1Miss" description="Level 2 data cache access"/>
+  <configuration counter="ARM_Cortex-A8_ccnt" title="Clock" name="Cycles" per_cpu="yes" event_based_sampling="yes" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes" description="The number of core clock cycles"/>
+  <configuration counter="ARM_Cortex-A8_cnt0" event="0x8" title="Instruction" name="Executed" per_cpu="yes" event_based_sampling="yes" alias="InstructionsExecuted" description="Instruction architecturally executed"/>
+  <configuration counter="ARM_Cortex-A8_cnt1" event="0x44" title="Cache" name="L2 miss" per_cpu="yes" event_based_sampling="yes" alias="L2Miss" description="Any cacheable miss in the L2 cache"/>
+  <configuration counter="ARM_Cortex-A8_cnt2" event="0x43" title="Cache" name="L1 miss" per_cpu="yes" event_based_sampling="yes" alias="L1Miss" description="Any accesses to the L2 cache"/>
+  <configuration counter="ARM_Cortex-A8_cnt3" event="0x10" title="Branch" name="Mispredicted" per_cpu="yes" event_based_sampling="yes" alias="BranchMispredicted" description="Branch mispredicted or not predicted"/>
+  <configuration counter="ARM_Cortex-A9_ccnt" title="Clock" name="Cycles" per_cpu="yes" event_based_sampling="yes" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes" description="The number of core clock cycles"/>
+  <configuration counter="ARM_Cortex-A9_cnt0" event="0x68" title="Instruction" name="Executed" per_cpu="yes" event_based_sampling="yes" alias="InstructionsExecuted" description="Counts the number of instructions going through the Register Renaming stage. This number is an approximate number of the total number of instructions speculatively executed, and even more approximate of the total number of instructions architecturally executed"/>
+  <configuration counter="ARM_Cortex-A9_cnt1" event="0x06" title="Instruction" name="Memory read" per_cpu="yes" event_based_sampling="yes" alias="MemoryRead" description="Memory-reading instruction architecturally executed"/>
+  <configuration counter="ARM_Cortex-A9_cnt2" event="0x07" title="Instruction" name="Memory write" per_cpu="yes" event_based_sampling="yes" alias="MemoryWrite" description="Memory-writing instruction architecturally executed"/>
+  <configuration counter="ARM_Cortex-A9_cnt3" event="0x03" title="Cache" name="Data refill" per_cpu="yes" event_based_sampling="yes" alias="DataRefill" description="Memory Read or Write operation that causes a refill of at least the level of data or unified cache closest to the processor"/>
+  <configuration counter="ARM_Cortex-A9_cnt4" event="0x04" title="Cache" name="Data access" per_cpu="yes" event_based_sampling="yes" alias="DataAccess" description="Memory Read or Write operation that causes a cache access to at least the level of data or unified cache closest to the processor"/>
+  <configuration counter="ARM_Cortex-A15_ccnt" title="Clock" name="Cycles" per_cpu="yes" event_based_sampling="yes" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes" description="The number of core clock cycles"/>
+  <configuration counter="ARM_Cortex-A15_cnt0" event="0x8" title="Instruction" name="Executed" per_cpu="yes" event_based_sampling="yes" alias="InstructionsExecuted" description="Instruction architecturally executed"/>
+  <configuration counter="ARM_Cortex-A15_cnt1" event="0x16" title="Cache" name="L2 data access" per_cpu="yes" event_based_sampling="yes" alias="L1Miss" description="Level 2 data cache access"/>
+  <configuration counter="ARM_Cortex-A15_cnt2" event="0x10" title="Branch" name="Mispredicted" per_cpu="yes" event_based_sampling="yes" alias="BranchMispredicted" description="Branch mispredicted or not predicted"/>
+  <configuration counter="ARM_Cortex-A15_cnt3" event="0x19" title="Bus" name="Access" per_cpu="yes" event_based_sampling="yes" description=""/>
+  <configuration counter="Scorpion_ccnt" title="Clock" name="Cycles" per_cpu="yes" event_based_sampling="yes" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes" description="The number of core clock cycles"/>
+  <configuration counter="Scorpion_cnt0" event="0x08" title="Instruction" name="Executed" per_cpu="yes" event_based_sampling="yes" alias="InstructionsExecuted" description="Instruction architecturally executed"/>
+  <configuration counter="Scorpion_cnt1" event="0x10" title="Branch" name="Mispredicted" per_cpu="yes" event_based_sampling="yes" alias="BranchMispredicted" description="Branch mispredicted or not predicted"/>
+  <configuration counter="ScorpionMP_ccnt" title="Clock" name="Cycles" per_cpu="yes" event_based_sampling="yes" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes" description="The number of core clock cycles"/>
+  <configuration counter="ScorpionMP_cnt0" event="0x08" title="Instruction" name="Executed" per_cpu="yes" event_based_sampling="yes" alias="InstructionsExecuted" description="Instruction architecturally executed"/>
+  <configuration counter="ScorpionMP_cnt1" event="0x10" title="Branch" name="Mispredicted" per_cpu="yes" event_based_sampling="yes" alias="BranchMispredicted" description="Branch mispredicted or not predicted"/>
+  <configuration counter="Krait_ccnt" title="Clock" name="Cycles" per_cpu="yes" event_based_sampling="yes" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes" description="The number of core clock cycles"/>
+  <configuration counter="Krait_cnt0" event="0x08" title="Instruction" name="Executed" per_cpu="yes" event_based_sampling="yes" alias="InstructionsExecuted" description="Instruction architecturally executed"/>
+  <configuration counter="Krait_cnt1" event="0x10" title="Branch" name="Mispredicted" per_cpu="yes" event_based_sampling="yes" alias="BranchMispredicted" description="Branch mispredicted or not predicted"/>
+  <configuration counter="Linux_block_rq_wr" title="Disk IO" name="Write" units="B" description="Disk IO Bytes Written"/>
+  <configuration counter="Linux_block_rq_rd" title="Disk IO" name="Read" units="B" description="Disk IO Bytes Read"/>
+  <configuration counter="Linux_net_rx" title="Network" name="Receive" units="B" description="Receive network traffic, excluding effect from Streamline"/>
+  <configuration counter="Linux_net_tx" title="Network" name="Transmit" units="B" description="Transmit network traffic, excluding effect from Streamline"/>
+  <configuration counter="Linux_cpuload_system" title="CPU Load" name="System" description="Scheduler CPU Load of System Behavior"/>
+  <configuration counter="Linux_cpuload_user" title="CPU Load" name="User" description="Scheduler CPU Load of User Application"/>
+  <configuration counter="Linux_meminfo_memused" title="Memory" name="Used" display="maximum" units="B" average_selection="yes" description="Total used memory size"/>
+  <configuration counter="Linux_meminfo_memfree" title="Memory" name="Free" display="minimum" units="B" average_selection="yes" description="Available memory size"/>
+  <configuration counter="Linux_power_cpu_freq" title="Clock" name="DVFS" per_cpu="yes" display="maximum" units="Hz" average_selection="yes" description="Target frequency of the CPU"/>
+  <configuration counter="L2C-310_cnt0" event="0x1" title="L2 Cache" name="CO" description="Eviction, CastOut, of a line from the L2 cache"/>
+</configurations>
diff --git a/tools/gator/daemon/events-ARM11.xml b/tools/gator/daemon/events-ARM11.xml
new file mode 100644
index 00000000000..c9d188f81a1
--- /dev/null
+++ b/tools/gator/daemon/events-ARM11.xml
@@ -0,0 +1,43 @@
+  <counter_set name="ARM_ARM11_cntX">

+    <counter name="ARM_ARM11_cnt0"/>

+    <counter name="ARM_ARM11_cnt1"/>

+    <counter name="ARM_ARM11_cnt2"/>

+  </counter_set>

+  <category name="ARM11" counter_set="ARM_ARM11_cntX" per_cpu="yes">

+    <event counter="ARM_ARM11_ccnt" title="Clock" name="Cycles" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes" description="The number of core clock cycles"/>

+    <event event="0x00" title="Cache" name="Inst miss" description="Instruction cache miss to a cacheable location, which requires a fetch from external memory"/>

+    <event event="0x01" title="Pipeline" name="Instruction stall" description="Stall because instruction buffer cannot deliver an instruction"/>

+    <event event="0x02" title="Pipeline" name="Data stall" description="Stall because of a data dependency"/>

+    <event event="0x03" title="Cache" name="Inst micro TLB miss" description="Instruction MicroTLB miss (unused on ARM1156)"/>

+    <event event="0x04" title="Cache" name="Data micro TLB miss" description="Data MicroTLB miss (unused on ARM1156)"/>

+    <event event="0x05" title="Branch" name="Instruction executed" description="Branch instruction executed, branch might or might not have changed program flow"/>

+    <event event="0x06" title="Branch" name="Mispredicted" alias="BranchMispredicted" description="Branch mis-predicted"/>

+    <event event="0x07" title="Instruction" name="Executed" alias="InstructionsExecuted" description="Instructions executed"/>

+    <event event="0x09" title="Cache" name="Data access" description="Data cache access, not including Cache operations"/>

+    <event event="0x0a" title="Cache" name="Data all access" description="Data cache access, not including Cache Operations regardless of whether or not the location is cacheable"/>

+    <event event="0x0b" title="Cache" name="Data miss" alias="L1Miss" description="Data cache miss, not including Cache Operations"/>

+    <event event="0x0c" title="Cache" name="Write-back" description="Data cache write-back"/>

+    <event event="0x0d" title="Program Counter" name="SW change" description="Software changed the PC"/>

+    <event event="0x0f" title="Cache " name="TLB miss" description="Main TLB miss (unused on ARM1156)"/>

+    <event event="0x10" title="External" name="Access" description="Explicit external data or peripheral access"/>

+    <event event="0x11" title="Cache" name="Data miss" description="Stall because of Load Store Unit request queue being full"/>

+    <event event="0x12" title="Write Buffer" name="Drains" description="The number of times the Write Buffer was drained because of a Data Synchronization Barrier command or Strongly Ordered operation"/>

+    <event event="0x13" title="Disable Interrupts" name="FIQ" description="The number of cycles which FIQ interrupts are disabled (ARM1156 only)"/>

+    <event event="0x14" title="Disable Interrupts" name="IRQ" description="The number of cycles which IRQ interrupts are disabled (ARM1156 only)"/>

+    <event event="0x20" title="ETM" name="ETMEXTOUT[0]" description="ETMEXTOUT[0] signal was asserted for a cycle"/>

+    <event event="0x21" title="ETM" name="ETMEXTOUT[1]" description="ETMEXTOUT[1] signal was asserted for a cycle"/>

+    <event event="0x22" title="ETM" name="ETMEXTOUT[0,1]" description="ETMEXTOUT[0] or ETMEXTOUT[1] was asserted"/>

+    <event event="0x23" title="Procedure" name="Calls" description="Procedure call instruction executed"/>

+    <event event="0x24" title="Procedure" name="Returns" description="Procedure return instruction executed"/>

+    <event event="0x25" title="Procedure" name="Return and predicted" description="Procedure return instruction executed and return address predicted"/>

+    <event event="0x26" title="Procedure" name="Return and mispredicted" description="Procedure return instruction executed and return address predicted incorrectly"/>

+    <event event="0x30" title="Cache" name="Inst tag or parity error" description="Instruction cache Tag or Valid RAM parity error (ARM1156 only)"/>

+    <event event="0x31" title="Cache" name="Inst parity error" description="Instruction cache RAM parity error (ARM1156 only)"/>

+    <event event="0x32" title="Cache" name="Data tag or parity error" description="Data cache Tag or Valid RAM parity error (ARM1156 only)"/>

+    <event event="0x33" title="Cache" name="Data parity error" description="Data cache RAM parity error (ARM1156 only)"/>

+    <event event="0x34" title="ITCM" name="Error" description="ITCM error (ARM1156 only)"/>

+    <event event="0x35" title="DTCM" name="Error" description="DTCM error (ARM1156 only)"/>

+    <event event="0x36" title="Procedure" name="Return address pop" description="Procedure return address popped off the return stack (ARM1156 only)"/>

+    <event event="0x37" title="Procedure" name="Return address misprediction" description="Procedure return address popped off the return stack has been incorrectly predicted by the PFU (ARM1156 only)"/>

+    <event event="0x38" title="Cache" name="Data dirty parity error" description="Data cache Dirty RAM parity error (ARM1156 only)"/>

+  </category>

diff --git a/tools/gator/daemon/events-ARM11MPCore.xml b/tools/gator/daemon/events-ARM11MPCore.xml
new file mode 100644
index 00000000000..74a29e68032
--- /dev/null
+++ b/tools/gator/daemon/events-ARM11MPCore.xml
@@ -0,0 +1,30 @@
+  <counter_set name="ARM_ARM11MPCore_cntX">
+    <counter name="ARM_ARM11MPCore_cnt0"/>
+    <counter name="ARM_ARM11MPCore_cnt1"/>
+    <counter name="ARM_ARM11MPCore_cnt2"/>
+  </counter_set>
+  <category name="ARM11MPCore" counter_set="ARM_ARM11MPCore_cntX" per_cpu="yes">
+    <event counter="ARM_ARM11MPCore_ccnt" title="Clock" name="Cycles" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes" description="The number of core clock cycles"/>
+    <event event="0x00" title="Cache" name="Inst miss" description="Instruction cache miss to a cacheable location, which requires a fetch from external memory"/>
+    <event event="0x01" title="Pipeline" name="Instruction stall" description="Stall because instruction buffer cannot deliver an instruction"/>
+    <event event="0x02" title="Pipeline" name="Data stall" description="Stall because of a data dependency"/>
+    <event event="0x03" title="Cache" name="Inst micro TLB miss" description="Instruction MicroTLB miss (unused on ARM1156)"/>
+    <event event="0x04" title="Cache" name="Data micro TLB miss" description="Data MicroTLB miss (unused on ARM1156)"/>
+    <event event="0x05" title="Branch" name="Instruction executed" description="Branch instructions executed, branch might or might not have changed program flow"/>
+    <event event="0x06" title="Branch" name="Not predicted" description="Branch not predicted"/>
+    <event event="0x07" title="Branch" name="Mispredicted" alias="BranchMispredicted" description="Branch mispredicted"/>
+    <event event="0x08" title="Core" name="Instructions" alias="InstructionsExecuted" description="Instructions executed"/>
+    <event event="0x09" title="Core" name="Folded Instructions" description="Folded instructions executed"/>
+    <event event="0x0a" title="Cache" name="Data read access" description="Data cache read access, not including cache operations"/>
+    <event event="0x0b" title="Cache" name="Data read miss" alias="L1Miss" description="Data cache miss, not including Cache Operations"/>
+    <event event="0x0c" title="Cache" name="Data write access" description="Data cache write access"/>
+    <event event="0x0d" title="Cache" name="Data write miss" description="Data cache write miss"/>
+    <event event="0x0e" title="Cache" name="Data line eviction" description="Data cache line eviction, not including cache operations"/>
+    <event event="0x0f" title="Branch" name="PC change w/o mode change" description="Software changed the PC and there is not a mode change"/>
+    <event event="0x10" title="Cache " name="TLB miss" description="Main TLB miss"/>
+    <event event="0x11" title="External" name="External Memory request" description="External memory request (cache refill, noncachable, write-back)"/>
+    <event event="0x12" title="Cache" name="Stall" description="Stall because of Load Store Unit request queue being full"/>
+    <event event="0x13" title="Write Buffer" name="Drains" description="The number of times the Write Buffer was drained because of LSU ordering constraints or CP15 operations (Data Synchronization Barrier command) or Strongly Ordered operation"/>
+    <event event="0x14" title="Write Buffer" name="Write Merges" description="Buffered write merged in a store buffer slot"/>
+    <event event="0xFF" title="Core" name="Cycle counter" description="An increment each cycle"/>
+  </category>
diff --git a/tools/gator/daemon/events-Cortex-A15.xml b/tools/gator/daemon/events-Cortex-A15.xml
new file mode 100644
index 00000000000..74c7290dad0
--- /dev/null
+++ b/tools/gator/daemon/events-Cortex-A15.xml
@@ -0,0 +1,76 @@
+  <counter_set name="ARM_Cortex-A15_cntX">

+    <counter name="ARM_Cortex-A15_cnt0"/>

+    <counter name="ARM_Cortex-A15_cnt1"/>

+    <counter name="ARM_Cortex-A15_cnt2"/>

+    <counter name="ARM_Cortex-A15_cnt3"/>

+    <counter name="ARM_Cortex-A15_cnt4"/>

+    <counter name="ARM_Cortex-A15_cnt5"/>

+  </counter_set>

+  <category name="Cortex-A15" counter_set="ARM_Cortex-A15_cntX" per_cpu="yes" event_based_sampling="yes">

+    <event counter="ARM_Cortex-A15_ccnt" title="Clock" name="Cycles" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes" description="The number of core clock cycles"/>

+    <event event="0x00" title="Software" name="Increment" description="Software increment architecturally executed"/>

+    <event event="0x01" title="Cache" name="Instruction refill" description="Instruction fetch that causes a refill of at least the level of instruction or unified cache closest to the processor"/>

+    <event event="0x02" title="Cache" name="Inst TLB refill" description="Instruction fetch that causes a TLB refill of at least the level of TLB closest to the processor"/>

+    <event event="0x03" title="Cache" name="Data refill" description="Memory Read or Write operation that causes a refill of at least the level of data or unified cache closest to the processor"/>

+    <event event="0x04" title="Cache" name="Data access" description="Memory Read or Write operation that causes a cache access to at least the level of data or unified cache closest to the processor"/>

+    <event event="0x05" title="Cache" name="Data TLB refill" description="Memory Read or Write operation that causes a TLB refill of at least the level of TLB closest to the processor"/>

+    <event event="0x08" title="Instruction" name="Executed" alias="InstructionsExecuted" description="Instruction architecturally executed"/>

+    <event event="0x09" title="Exception" name="Taken" description="Exceptions taken"/>

+    <event event="0x0a" title="Exception" name="Return" description="Exception return architecturally executed"/>

+    <event event="0x0b" title="Instruction" name="CONTEXTIDR" description="Instruction that writes to the CONTEXTIDR architecturally executed"/>

+    <event event="0x10" title="Branch" name="Mispredicted" alias="BranchMispredicted" description="Branch mispredicted or not predicted"/>

+    <event event="0x11" title="Cycle" name="Cycle" description=""/>

+    <event event="0x12" title="Branch" name="Potential prediction" alias="PotentialPrediction" description="Branch or other change in program flow that could have been predicted by the branch prediction resources of the processor"/>

+    <event event="0x13" title="Memory" name="Memory access" description="Data memory access"/>

+    <event event="0x14" title="Cache" name="L1 inst access" description="Instruction cache access"/>

+    <event event="0x15" title="Cache" name="L1 data write" description="Level 1 data cache Write-Back"/>

+    <event event="0x16" title="Cache" name="L2 data access" alias="L1Miss" description="Level 2 data cache access"/>

+    <event event="0x17" title="Cache" name="L2 data refill" description="Level 2 data cache refill"/>

+    <event event="0x18" title="Cache" name="L2 data write" description="Level 2 data cache Write-Back"/>

+    <event event="0x19" title="Bus" name="Access" description=""/>

+    <event event="0x1a" title="Memory" name="Error" description="Local memory error"/>

+    <event event="0x1b" title="Instruction" name="Speculative" description="Instruction speculatively executed"/>

+    <event event="0x1c" title="Memory" name="Translation table" description="Write to translation table base architecturally executed"/>

+    <event event="0x1d" title="Bus" name="Cycle" description=""/>

+    <event event="0x40" title="Cache" name="L1 data read" description="Level 1 data cache access - Read"/>

+    <event event="0x41" title="Cache" name="L1 data write" description="Level 1 data cache access - Write"/>

+    <event event="0x42" title="Cache" name="L1 data refill read" description="Level 1 data cache refill - Read"/>

+    <event event="0x43" title="Cache" name="L1 data refill write" description="Level 1 data cache refill - Write"/>

+    <event event="0x46" title="Cache" name="L1 data victim" description="Level 1 data cache Write-Back - Victim"/>

+    <event event="0x47" title="Cache" name="L1 data clean" description="Level 1 data cache Write-Back - Cleaning and coherency"/>

+    <event event="0x48" title="Cache" name="L1 data invalidate" description="Level 1 data cache invalidate"/>

+    <event event="0x4c" title="TLB" name="L1 data refill read" description="Level 1 data TLB refill - Read"/>

+    <event event="0x4d" title="TLB" name="L1 data refill write" description="Level 1 data TLB refill - Write"/>

+    <event event="0x50" title="Cache" name="L2 data read" description="Level 2 data cache access - Read"/>

+    <event event="0x51" title="Cache" name="L2 data write" description="Level 2 data cache access - Write"/>

+    <event event="0x52" title="Cache" name="L2 data refill read" description="Level 2 data cache refill - Read"/>

+    <event event="0x53" title="Cache" name="L2 data refill write" description="Level 2 data cache refill - Write"/>

+    <event event="0x56" title="Cache" name="L2 data victim" description="Level 2 data cache Write-Back - Victim"/>

+    <event event="0x57" title="Cache" name="L2 data clean" description="Level 2 data cache Write-Back - Cleaning and coherency"/>

+    <event event="0x58" title="Cache" name="L2 data invalidate" description="Level 2 data cache invalidate"/>

+    <event event="0x60" title="Bus" name="Read" description="Bus access - Read"/>

+    <event event="0x61" title="Bus" name="Write" description="Bus access - Write"/>

+    <event event="0x64" title="Bus" name="Access" description="Bus access - Normal"/>

+    <event event="0x65" title="Bus" name="Peripheral" description="Bus access - Peripheral"/>

+    <event event="0x66" title="Memory" name="Read" alias="MemoryRead" description="Data memory access - Read"/>

+    <event event="0x67" title="Memory" name="Write" alias="MemoryWrite" description="Data memory access - Write"/>

+    <event event="0x68" title="Memory" name="Unaligned Read" description="Unaligned access - Read"/>

+    <event event="0x69" title="Memory" name="Unaligned Write" description="Unaligned access - Write"/>

+    <event event="0x6a" title="Memory" name="Unaligned" alias="UnalignedAccess" description="Unaligned access"/>

+    <event event="0x6c" title="Intrinsic" name="LDREX" description="Exclusive instruction speculatively executed - LDREX"/>

+    <event event="0x6d" title="Intrinsic" name="STREX pass" description="Exclusive instruction speculatively executed - STREX pass"/>

+    <event event="0x6e" title="Intrinsic" name="STREX fail" description="Exclusive instruction speculatively executed - STREX fail"/>

+    <event event="0x70" title="Instruction" name="Load" description="Instruction speculatively executed - Load"/>

+    <event event="0x71" title="Instruction" name="Store" description="Instruction speculatively executed - Store"/>

+    <event event="0x72" title="Instruction" name="Load/Store" description="Instruction speculatively executed - Load or store"/>

+    <event event="0x73" title="Instruction" name="Integer" description="Instruction speculatively executed - Integer data processing"/>

+    <event event="0x74" title="Instruction" name="Advanced SIMD" description="Instruction speculatively executed - Advanced SIMD"/>

+    <event event="0x75" title="Instruction" name="VFP" description="Instruction speculatively executed - VFP"/>

+    <event event="0x76" title="Instruction" name="Software change" description="Instruction speculatively executed - Software change of the PC"/>

+    <event event="0x78" title="Instruction" name="Immediate branch" description="Branch speculatively executed - Immediate branch"/>

+    <event event="0x79" title="Instruction" name="Procedure return" description="Branch speculatively executed - Procedure return"/>

+    <event event="0x7a" title="Instruction" name="Indirect branch" description="Branch speculatively executed - Indirect branch"/>

+    <event event="0x7c" title="Instruction" name="ISB" description="Barrier speculatively executed - ISB"/>

+    <event event="0x7d" title="Instruction" name="DSB" description="Barrier speculatively executed - DSB"/>

+    <event event="0x7e" title="Instruction" name="DMB" description="Barrier speculatively executed - DMB"/>

+  </category>  

diff --git a/tools/gator/daemon/events-Cortex-A5.xml b/tools/gator/daemon/events-Cortex-A5.xml
new file mode 100644
index 00000000000..0a70a62123b
--- /dev/null
+++ b/tools/gator/daemon/events-Cortex-A5.xml
@@ -0,0 +1,39 @@
+  <counter_set name="ARM_Cortex-A5_cntX">

+    <counter name="ARM_Cortex-A5_cnt0"/>

+    <counter name="ARM_Cortex-A5_cnt1"/>

+  </counter_set>

+  <category name="Cortex-A5" counter_set="ARM_Cortex-A5_cntX" per_cpu="yes" event_based_sampling="yes">

+    <event counter="ARM_Cortex-A5_ccnt" title="Clock" name="Cycles" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes" description="The number of core clock cycles"/>

+    <event event="0x00" title="Software" name="Increment" description="Incremented only on writes to the Software Increment Register"/>

+    <event event="0x01" title="Cache" name="Instruction refill" description="Instruction fetch that causes a refill of at least the level of instruction or unified cache closest to the processor"/>

+    <event event="0x02" title="Cache" name="Inst TLB refill" description="Instruction fetch that causes a TLB refill of at least the level of TLB closest to the processor"/>

+    <event event="0x03" title="Cache" name="Data refill" description="Memory Read or Write operation that causes a refill of at least the level of data or unified cache closest to the processor"/>

+    <event event="0x04" title="Cache" name="Data access" description="Memory Read or Write operation that causes a cache access to at least the level of data or unified cache closest to the processor"/>

+    <event event="0x05" title="Cache" name="Data TLB refill" description="Memory Read or Write operation that causes a TLB refill of at least the level of TLB closest to the processor"/>

+    <event event="0x06" title="Instruction" name="Memory read" alias="MemoryRead" description="Memory-reading instruction architecturally executed"/>

+    <event event="0x07" title="Instruction" name="Memory write" alias="MemoryWrite" description="Memory-writing instruction architecturally executed"/>

+    <event event="0x08" title="Instruction" name="Executed" alias="InstructionsExecuted" description="Instruction architecturally executed"/>

+    <event event="0x09" title="Exception" name="Taken" description="Exceptions taken"/>

+    <event event="0x0a" title="Exception" name="Return" description="Exception return architecturally executed"/>

+    <event event="0x0b" title="Instruction" name="CONTEXTIDR" description="Instruction that writes to the CONTEXTIDR architecturally executed"/>

+    <event event="0x0c" title="Branch" name="PC change" description="Software change of the Program Counter, except by an exception, architecturally executed"/>

+    <event event="0x0d" title="Branch" name="Immediate" description="Immediate branch architecturally executed"/>

+    <event event="0x0e" title="Procedure" name="Return" description="Procedure return, other than exception return, architecturally executed"/>

+    <event event="0x0f" title="Memory" name="Unaligned access" alias="UnalignedAccess" description="Unaligned access architecturally executed"/>

+    <event event="0x10" title="Branch" name="Mispredicted" alias="BranchMispredicted" description="Branch mispredicted or not predicted"/>

+    <event event="0x12" title="Branch" name="Potential prediction" alias="PotentialPrediction" description="Branch or other change in program flow that could have been predicted by the branch prediction resources of the processor"/>

+    <event event="0x13" title="Memory" name="Memory access" description="Data memory access"/>

+    <event event="0x14" title="Cache" name="Instruction access" description="Instruction cache access"/>

+    <event event="0x15" title="Cache" name="Data eviction" description="Data cache eviction"/>

+    <event event="0x86" title="Interrupts" name="IRQ" description="IRQ exception taken"/>

+    <event event="0x87" title="Interrupts" name="FIQ" description="FIQ exception taken"/>

+    <event event="0xC0" title="Memory" name="External request" description="External memory request"/>

+    <event event="0xC1" title="Memory" name="Non-cacheable ext req" description="Non-cacheable external memory request"/>

+    <event event="0xC2" title="Cache" name="Linefill" description="Linefill because of prefetch"/>

+    <event event="0xC3" title="Cache" name="Linefill dropped" description="Prefetch linefill dropped"/>

+    <event event="0xC4" title="Cache" name="Allocate mode enter" description="Entering read allocate mode"/>

+    <event event="0xC5" title="Cache" name="Allocate mode" description="Read allocate mode"/>

+    <event event="0xC7" title="ETM" name="ETM Ext Out[0]" description=""/>

+    <event event="0xC8" title="ETM" name="ETM Ext Out[1]" description=""/>

+    <event event="0xC9" title="Instruction" name="Pipeline stall" description="Data Write operation that stalls the pipeline because the store buffer is full"/>

+  </category>

diff --git a/tools/gator/daemon/events-Cortex-A7.xml b/tools/gator/daemon/events-Cortex-A7.xml
new file mode 100755
index 00000000000..1a55817b8f5
--- /dev/null
+++ b/tools/gator/daemon/events-Cortex-A7.xml
@@ -0,0 +1,49 @@
+  <counter_set name="ARM_Cortex-A7_cntX">

+    <counter name="ARM_Cortex-A7_cnt0"/>

+    <counter name="ARM_Cortex-A7_cnt1"/>

+    <counter name="ARM_Cortex-A7_cnt2"/>

+    <counter name="ARM_Cortex-A7_cnt3"/>

+  </counter_set>

+  <category name="Cortex-A7" counter_set="ARM_Cortex-A7_cntX" per_cpu="yes" event_based_sampling="yes">

+    <event counter="ARM_Cortex-A7_ccnt" title="Clock" name="Cycles" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes"  description="The number of core clock cycles"/>

+    <event event="0x00" title="Software" name="Increment" description="Software increment architecturally executed"/>

+    <event event="0x01" title="Cache" name="Instruction refill" description="Instruction fetch that causes a refill of at least the level of instruction or unified cache closest to the processor"/>

+    <event event="0x02" title="Cache" name="Inst TLB refill" description="Instruction fetch that causes a TLB refill of at least the level of TLB closest to the processor"/>

+    <event event="0x03" title="Cache" name="Data refill" description="Memory Read or Write operation that causes a refill of at least the level of data or unified cache closest to the processor"/>

+    <event event="0x04" title="Cache" name="Data access" description="Memory Read or Write operation that causes a cache access to at least the level of data or unified cache closest to the processor"/>

+    <event event="0x05" title="Cache" name="Data TLB refill" description="Memory Read or Write operation that causes a TLB refill of at least the level of TLB closest to the processor"/>

+    <event event="0x06" title="Memory" name="Data Read" alias="MemoryRead" description="Data read architecturally executed"/>

+    <event event="0x07" title="Memory" name="Data Write" alias="MemoryWrite" description="Data write architecturally executed"/>

+    <event event="0x08" title="Instruction" name="Executed" alias="InstructionsExecuted" description="Instruction architecturally executed"/>

+    <event event="0x09" title="Exception" name="Taken" description="Exceptions taken"/>

+    <event event="0x0a" title="Exception" name="Return" description="Exception return architecturally executed"/>

+    <event event="0x0b" title="Instruction" name="CONTEXTIDR" description="Instruction that writes to the CONTEXTIDR architecturally executed"/>

+    <event event="0x0c" title="Branch" name="PC change" description="Software change of the Program Counter, except by an exception, architecturally executed"/>

+    <event event="0x0d" title="Branch" name="Immediate" description="Immediate branch architecturally executed"/>

+    <event event="0x0f" title="Memory" name="Unaligned access" alias="UnalignedAccess" description="Unaligned access architecturally executed"/>

+    <event event="0x10" title="Branch" name="Mispredicted" alias="BranchMispredicted" description="Branch mispredicted or not predicted"/>

+    <event event="0x11" title="Cycle" name="Counter" description=""/>

+    <event event="0x12" title="Branch" name="Potential prediction" alias="PotentialPrediction" description="Branch or other change in program flow that could have been predicted by the branch prediction resources of the processor"/>

+    <event event="0x13" title="Memory" name="Memory access" description="Data memory access"/>

+    <event event="0x14" title="Cache" name="L1 inst access" description="Instruction cache access"/>

+    <event event="0x15" title="Cache" name="L1 data eviction" description="Level 1 data cache eviction"/>

+    <event event="0x16" title="Cache" name="L2 data access" alias="L1Miss" description="Level 2 data cache access"/>

+    <event event="0x17" title="Cache" name="L2 data refill" description="Level 2 data cache refill"/>

+    <event event="0x18" title="Cache" name="L2 data write" description="Level 2 data cache Write-Back"/>

+    <event event="0x19" title="Bus" name="Access" description=""/>

+    <event event="0x1d" title="Bus" name="Cycle" description=""/>

+    <event event="0x60" title="Bus" name="Read" description="Bus access - Read"/>

+    <event event="0x61" title="Bus" name="Write" description="Bus access - Write"/>

+    <event event="0x86" title="Exception" name="IRQ" description="IRQ exception taken"/>

+    <event event="0x87" title="Exception" name="FIQ" description="FIQ exception taken"/>

+    <event event="0xC0" title="Memory" name="External request" description="External memory request"/>

+    <event event="0xC1" title="Memory" name="Non-cacheable ext req" description="Non-cacheable external memory request"/>

+    <event event="0xC2" title="Cache" name="Linefill" description="Linefill because of prefetch"/>

+    <event event="0xC3" title="Cache" name="Linefill dropped" description="Prefetch linefill dropped"/>

+    <event event="0xC4" title="Cache" name="Allocate mode enter" description="Entering read allocate mode"/>

+    <event event="0xC5" title="Cache" name="Allocate mode" description="Read allocate mode"/>

+    <event event="0xC7" title="ETM" name="ETM Ext Out[0]" description=""/>

+    <event event="0xC8" title="ETM" name="ETM Ext Out[1]" description=""/>

+    <event event="0xC9" title="Instruction" name="Pipeline stall" description="Data Write operation that stalls the pipeline because the store buffer is full"/>

+    <event event="0xCA" title="Memory" name="Snoop" description="Data snooped from other processor. This event counts memory-read operations that read data from another processor within the local cluster, rather than accessing the L2 cache or issuing an external read."/>

+  </category>  

diff --git a/tools/gator/daemon/events-Cortex-A8.xml b/tools/gator/daemon/events-Cortex-A8.xml
new file mode 100644
index 00000000000..02260ba311e
--- /dev/null
+++ b/tools/gator/daemon/events-Cortex-A8.xml
@@ -0,0 +1,57 @@
+  <counter_set name="ARM_Cortex-A8_cntX">

+    <counter name="ARM_Cortex-A8_cnt0"/>

+    <counter name="ARM_Cortex-A8_cnt1"/>

+    <counter name="ARM_Cortex-A8_cnt2"/>

+    <counter name="ARM_Cortex-A8_cnt3"/>

+  </counter_set>

+  <category name="Cortex-A8" counter_set="ARM_Cortex-A8_cntX" per_cpu="yes" event_based_sampling="yes">

+    <event counter="ARM_Cortex-A8_ccnt" title="Clock" name="Cycles" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes" description="The number of core clock cycles"/>

+    <event event="0x00" title="Software" name="Increment" description="Incremented only on writes to the Software Increment Register"/>

+    <event event="0x01" title="Cache" name="Instruction refill" description="Instruction fetch that causes a refill of at least the level of instruction or unified cache closest to the processor"/>

+    <event event="0x02" title="Cache" name="Inst TLB refill" description="Instruction fetch that causes a TLB refill of at least the level of TLB closest to the processor"/>

+    <event event="0x03" title="Cache" name="Data refill" description="Memory Read or Write operation that causes a refill of at least the level of data or unified cache closest to the processor"/>

+    <event event="0x04" title="Cache" name="Data access" description="Memory Read or Write operation that causes a cache access to at least the level of data or unified cache closest to the processor"/>

+    <event event="0x05" title="Cache" name="Data TLB refill" description="Memory Read or Write operation that causes a TLB refill of at least the level of TLB closest to the processor"/>

+    <event event="0x06" title="Instruction" name="Memory read" alias="MemoryRead" description="Memory-reading instruction architecturally executed"/>

+    <event event="0x07" title="Instruction" name="Memory write" alias="MemoryWrite" description="Memory-writing instruction architecturally executed"/>

+    <event event="0x08" title="Instruction" name="Executed" alias="InstructionsExecuted" description="Instruction architecturally executed"/>

+    <event event="0x09" title="Exception" name="Taken" description="Exceptions taken"/>

+    <event event="0x0a" title="Exception" name="Return" description="Exception return architecturally executed"/>

+    <event event="0x0b" title="Instruction" name="CONTEXTIDR" description="Instruction that writes to the CONTEXTIDR architecturally executed"/>

+    <event event="0x0c" title="Branch" name="PC change" description="Software change of the Program Counter, except by an exception, architecturally executed"/>

+    <event event="0x0d" title="Branch" name="Immediate" description="Immediate branch architecturally executed"/>

+    <event event="0x0e" title="Procedure" name="Return" description="Procedure return, other than exception return, architecturally executed"/>

+    <event event="0x0f" title="Memory" name="Unaligned access" alias="UnalignedAccess" description="Unaligned access architecturally executed"/>

+    <event event="0x10" title="Branch" name="Mispredicted" alias="BranchMispredicted" description="Branch mispredicted or not predicted"/>

+    <event event="0x12" title="Branch" name="Potential prediction" alias="PotentialPrediction" description="Branch or other change in program flow that could have been predicted by the branch prediction resources of the processor"/>

+    <event event="0x40" title="Cache" name="Write buffer full" description="Any write buffer full cycle"/>

+    <event event="0x41" title="Cache" name="L2 store" description="Any store that is merged in the L2 memory system"/>

+    <event event="0x42" title="Cache" name="Bufferable transaction" description="Any bufferable store transaction from load/store to L2 cache, excluding eviction or cast out data"/>

+    <event event="0x43" title="Cache" name="L1 miss" alias="L1Miss" description="Any accesses to the L2 cache"/>

+    <event event="0x44" title="Cache" name="L2 miss" alias="L2Miss" description="Any cacheable miss in the L2 cache"/>

+    <event event="0x45" title="AXI" name="Read" description="The number of AXI read data transfers"/>

+    <event event="0x46" title="AXI" name="Write" description="The number of AXI write data transfers"/>

+    <event event="0x47" title="Memory" name="Replay event" description="Any replay event in the memory system"/>

+    <event event="0x48" title="Memory" name="Unaligned access" description="Any unaligned memory access that results in a replay"/>

+    <event event="0x49" title="Cache" name="L1 data hash miss" description="Any L1 data memory access that misses in the cache as a result of the hashing algorithm"/>

+    <event event="0x4a" title="Cache" name="L1 inst hash miss" description="Any L1 instruction memory access that misses in the cache as a result of the hashing algorithm"/>

+    <event event="0x4b" title="Cache" name="L1 page coloring" description="Any L1 data memory access in which a page coloring alias occurs"/>

+    <event event="0x4c" title="NEON" name="L1 cache hit" description="Any NEON access that hits in the L1 data cache"/>

+    <event event="0x4d" title="NEON" name="L1 cache access" description="Any NEON cacheable data accesses for L1 data cache"/>

+    <event event="0x4e" title="NEON" name="L2 cache access" description="Any L2 cache accesses as a result of a NEON memory access"/>

+    <event event="0x4f" title="NEON" name="L2 cache hit" description="Any NEON hit in the L2 cache"/>

+    <event event="0x50" title="Cache" name="L1 inst access" description="Any L1 instruction cache access, excluding CP15 cache accesses"/>

+    <event event="0x51" title="Branch" name="Return stack misprediction" description="Any return stack misprediction because of incorrect target address for a taken return stack pop"/>

+    <event event="0x52" title="Branch" name="Direction misprediction" description="Branch direction misprediction"/>

+    <event event="0x53" title="Branch" name="Taken prediction" description="Any predictable branch that is predicted to be taken"/>

+    <event event="0x54" title="Branch" name="Executed and taken prediction" description="Any predictable branch that is executed and taken"/>

+    <event event="0x55" title="Core" name="Operations issued" description="Number of operations issued, where an operation is either: an instruction or one operation in a sequence of operations that make up a multi-cycle instruction"/>

+    <event event="0x56" title="Core" name="No issue cycles" description="Increment for every cycle that no instructions are available for issue"/>

+    <event event="0x57" title="Core" name="Issue cycles" description="For every cycle, this event counts the number of instructions issued in that cycle. Multi-cycle instructions are only counted once"/>

+    <event event="0x58" title="NEON" name="MRC data wait" description="Number of cycles the processor stalls waiting on MRC data from NEON"/>

+    <event event="0x59" title="NEON" name="Full queue" description="Number of cycles that the processor stalls as a result of a full NEON instruction queue or NEON load queue"/>

+    <event event="0x5a" title="NEON" name="Idle" description="Number of cycles that NEON and integer processors are both not idle"/>

+    <event event="0x70" title="External" name="PMUEXTIN[0]" description="Counts any event from external input source PMUEXTIN[0]"/>

+    <event event="0x71" title="External" name="PMUEXTIN[1]" description="Counts any event from external input source PMUEXTIN[1]"/>

+    <event event="0x72" title="External" name="PMUEXTIN[0,1]" description="Counts any event from both external input sources PMUEXTIN[0] and PMUEXTIN[1]"/>

+  </category>

diff --git a/tools/gator/daemon/events-Cortex-A9.xml b/tools/gator/daemon/events-Cortex-A9.xml
new file mode 100644
index 00000000000..363862ce3e4
--- /dev/null
+++ b/tools/gator/daemon/events-Cortex-A9.xml
@@ -0,0 +1,66 @@
+  <counter_set name="ARM_Cortex-A9_cntX">

+    <counter name="ARM_Cortex-A9_cnt0"/>

+    <counter name="ARM_Cortex-A9_cnt1"/>

+    <counter name="ARM_Cortex-A9_cnt2"/>

+    <counter name="ARM_Cortex-A9_cnt3"/>

+    <counter name="ARM_Cortex-A9_cnt4"/>

+    <counter name="ARM_Cortex-A9_cnt5"/>

+  </counter_set>

+  <category name="Cortex-A9" counter_set="ARM_Cortex-A9_cntX" per_cpu="yes" event_based_sampling="yes">

+    <event counter="ARM_Cortex-A9_ccnt" title="Clock" name="Cycles" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes" description="The number of core clock cycles"/>

+    <event event="0x00" title="Software" name="Increment" description="Incremented only on writes to the Software Increment Register"/>

+    <event event="0x01" title="Cache" name="Instruction refill" description="Instruction fetch that causes a refill of at least the level of instruction or unified cache closest to the processor"/>

+    <event event="0x02" title="Cache" name="Inst TLB refill" description="Instruction fetch that causes a TLB refill of at least the level of TLB closest to the processor"/>

+    <event event="0x03" title="Cache" name="Data refill" alias="DataRefill" description="Memory Read or Write operation that causes a refill of at least the level of data or unified cache closest to the processor"/>

+    <event event="0x04" title="Cache" name="Data access" alias="DataAccess" description="Memory Read or Write operation that causes a cache access to at least the level of data or unified cache closest to the processor"/>

+    <event event="0x05" title="Cache" name="Data TLB refill" description="Memory Read or Write operation that causes a TLB refill of at least the level of TLB closest to the processor"/>

+    <event event="0x06" title="Instruction" name="Memory read" alias="MemoryRead" description="Memory-reading instruction architecturally executed"/>

+    <event event="0x07" title="Instruction" name="Memory write" alias="MemoryWrite" description="Memory-writing instruction architecturally executed"/>

+    <event event="0x09" title="Exception" name="Taken" description="Exceptions taken"/>

+    <event event="0x0a" title="Exception" name="Return" description="Exception return architecturally executed"/>

+    <event event="0x0b" title="Instruction" name="CONTEXTIDR" description="Instruction that writes to the CONTEXTIDR architecturally executed"/>

+    <event event="0x0c" title="Branch" name="PC change" description="Software change of the Program Counter, except by an exception, architecturally executed"/>

+    <event event="0x0d" title="Branch" name="Immediate" description="Immediate branch architecturally executed"/>

+    <event event="0x0f" title="Memory" name="Unaligned access" alias="UnalignedAccess" description="Unaligned access architecturally executed"/>

+    <event event="0x10" title="Branch" name="Mispredicted" alias="BranchMispredicted" description="Branch mispredicted or not predicted"/>

+    <event event="0x12" title="Branch" name="Potential prediction" alias="PotentialPrediction" description="Branch or other change in program flow that could have been predicted by the branch prediction resources of the processor"/>

+    <event event="0x40" title="Java" name="Bytecode execute" description="Counts the number of Java bytecodes being decoded, including speculative ones"/>

+    <event event="0x41" title="Java" name="SW bytecode execute" description="Counts the number of software java bytecodes being decoded, including speculative ones"/>

+    <event event="0x42" title="Jazelle" name="Backward branch execute" description="Counts the number of Jazelle taken branches being executed"/>

+    <event event="0x50" title="Cache" name="Coherency miss" alias="L1CoherencyMiss" description="Counts the number of coherent linefill requests performed by the Cortex-A9 processor which also miss in all the other Cortex-A9 processors, meaning that the request is sent to the external memory"/>

+    <event event="0x51" title="Cache" name="Coherency hit" alias="L1CoherencyHit" description="Counts the number of coherent linefill requests performed by the Cortex-A9 processor which hit in another Cortex-A9 processor, meaning that the linefill data is fetched directly from the relevant Cortex-A9 cache"/>

+    <event event="0x60" title="Cache" name="Inst dependent stall" description="Counts the number of cycles where the processor is ready to accept new instructions, but does not receive any because of the instruction side not being able to provide any and the instruction cache is currently performing at least one linefill"/>

+    <event event="0x61" title="Cache" name="Data dependent stall" description="Counts the number of cycles where the core has some instructions that it cannot issue to any pipeline, and the Load Store unit has at least one pending linefill request, and no pending TLB requests"/>

+    <event event="0x62" title="Cache" name="TLB stall" description="Counts the number of cycles where the processor is stalled waiting for the completion of translation table walks from the main TLB"/>

+    <event event="0x63" title="Intrinsic" name="STREX pass" description="Counts the number of STREX instructions architecturally executed and passed"/>

+    <event event="0x64" title="Intrinsic" name="STREX fail" description="Counts the number of STREX instructions architecturally executed and failed"/>

+    <event event="0x65" title="Cache" name="Data eviction" description="Counts the number of eviction requests because of a linefill in the data cache"/>

+    <event event="0x66" title="Pipeline" name="Issue stage no dispatch" description="Counts the number of cycles where the issue stage does not dispatch any instruction because it is empty or cannot dispatch any instructions"/>

+    <event event="0x67" title="Pipeline" name="Issue stage empty" description="Counts the number of cycles where the issue stage is empty"/>

+    <event event="0x68" title="Instruction" name="Executed" alias="InstructionsExecuted" description="Counts the number of instructions going through the Register Renaming stage. This number is an approximate number of the total number of instructions speculatively executed, and even more approximate of the total number of instructions architecturally executed"/>

+    <event event="0x6E" title="Core" name="Functions" description="Counts the number of procedure returns whose condition codes do not fail, excluding all returns from exception"/>

+    <event event="0x70" title="Instruction" name="Main execution unit" description="Counts the number of instructions being executed in the main execution pipeline of the processor, the multiply pipeline and arithmetic logic unit pipeline"/>

+    <event event="0x71" title="Instruction" name="Second execution unit" description="Counts the number of instructions being executed in the processor second execution pipeline (ALU)"/>

+    <event event="0x72" title="Instruction" name="Load/Store" description="Counts the number of instructions being executed in the Load/Store unit"/>

+    <event event="0x73" title="Instruction" name="Floating point" description="Counts the number of Floating-point instructions going through the Register Rename stage"/>

+    <event event="0x74" title="Instruction" name="NEON" description="Counts the number of NEON instructions going through the Register Rename stage"/>

+    <event event="0x80" title="Stalls" name="PLD" description="Counts the number of cycles where the processor is stalled because PLD slots are all full"/>

+    <event event="0x81" title="Stalls" name="Memory write" description="Counts the number of cycles when the processor is stalled and the data side is stalled too because it is full and executing writes to the external memory"/>

+    <event event="0x82" title="Stalls" name="Inst main TLB miss" description="Counts the number of stall cycles because of main TLB misses on requests issued by the instruction side"/>

+    <event event="0x83" title="Stalls" name="Data main TLB miss" description="Counts the number of stall cycles because of main TLB misses on requests issued by the data side"/>

+    <event event="0x84" title="Stalls" name="Inst micro TLB miss" description="Counts the number of stall cycles because of micro TLB misses on the instruction side"/>

+    <event event="0x85" title="Stalls" name="Data micro TLB miss" description="Counts the number of stall cycles because of micro TLB misses on the data side"/>

+    <event event="0x86" title="Stalls" name="DMB" description="Counts the number of stall cycles because of the execution of a DMB memory barrier"/>

+    <event event="0x8A" title="Clock" name="Integer core" description="Counts the number of cycles during which the integer core clock is enabled"/>

+    <event event="0x8B" title="Clock" name="Data engine" description="Counts the number of cycles during which the Data Engine clock is enabled"/>

+    <event event="0x90" title="Instruction" name="ISB" description="Counts the number of ISB instructions architecturally executed"/>

+    <event event="0x91" title="Instruction" name="DSB" description="Counts the number of DSB instructions architecturally executed"/>

+    <event event="0x92" title="Instruction" name="DMB" description="Counts the number of DMB instructions speculatively executed"/>

+    <event event="0x93" title="External" name="Interrupts" description="Counts the number of external interrupts executed by the processor"/>

+    <event event="0xA0" title="PLE" name="Cache line rq completed" description="Counts the number of PLE cache line requests completed"/>

+    <event event="0xA1" title="PLE" name="Cache line rq skipped" description="Counts the number of PLE cache line requests skipped"/>

+    <event event="0xA2" title="PLE" name="FIFO flush" description="Counts the number of PLE FIFO flush requests"/>

+    <event event="0xA3" title="PLE" name="Request completed" description="Counts the number of PLE FIFO flush completed"/>

+    <event event="0xA4" title="PLE" name="FIFO overflow" description="Counts the number of PLE FIFO flush overflowed"/>

+    <event event="0xA5" title="PLE" name="Request programmed" description="Counts the number of PLE FIFO flush program requests"/>

+  </category>

diff --git a/tools/gator/daemon/events-Krait-architected.xml b/tools/gator/daemon/events-Krait-architected.xml
new file mode 100755
index 00000000000..cc3f4e56093
--- /dev/null
+++ b/tools/gator/daemon/events-Krait-architected.xml
@@ -0,0 +1,27 @@
+  <counter_set name="Krait_cntX">

+    <counter name="Krait_cnt0"/>

+    <counter name="Krait_cnt1"/>

+    <counter name="Krait_cnt2"/>

+    <counter name="Krait_cnt3"/>

+  </counter_set>

+  <category name="Krait" counter_set="Krait_cntX" per_cpu="yes">

+    <event counter="Krait_ccnt" title="Clock" name="Cycles" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes" description="The number of core clock cycles"/>

+    <event event="0x00" title="Software" name="Increment" description="Incremented only on writes to the Software Increment Register"/>

+    <event event="0x01" title="Cache" name="Instruction refill" description="Instruction fetch that causes a refill of at least the level of instruction or unified cache closest to the processor"/>

+    <event event="0x02" title="Cache" name="Inst TLB refill" description="Instruction fetch that causes a TLB refill of at least the level of TLB closest to the processor"/>

+    <event event="0x03" title="Cache" name="Data refill" description="Memory Read or Write operation that causes a refill of at least the level of data or unified cache closest to the processor"/>

+    <event event="0x04" title="Cache" name="Data access" description="Memory Read or Write operation that causes a cache access to at least the level of data or unified cache closest to the processor"/>

+    <event event="0x05" title="Cache" name="Data TLB refill" description="Memory Read or Write operation that causes a TLB refill of at least the level of TLB closest to the processor"/>

+    <event event="0x06" title="Instruction" name="Memory read" alias="MemoryRead" description="Memory-reading instruction architecturally executed"/>

+    <event event="0x07" title="Instruction" name="Memory write" alias="MemoryWrite" description="Memory-writing instruction architecturally executed"/>

+    <event event="0x08" title="Instruction" name="Executed" alias="InstructionsExecuted" description="Instruction architecturally executed"/>

+    <event event="0x09" title="Exception" name="Taken" description="Exceptions taken"/>

+    <event event="0x0a" title="Exception" name="Return" description="Exception return architecturally executed"/>

+    <event event="0x0b" title="Instruction" name="CONTEXTIDR" description="Instruction that writes to the CONTEXTIDR architecturally executed"/>

+    <event event="0x0c" title="Program Counter" name="SW change" description="Software change of PC, except by an exception, architecturally executed"/>

+    <event event="0x0d" title="Branch" name="Immediate" description="Immediate branch architecturally executed"/>

+    <event event="0x0e" title="Branch" name="Procedure Return" description="Procedure return architecturally executed (not by exceptions)"/>

+    <event event="0x0f" title="Memory" name="Unaligned access" alias="UnalignedAccess" description="Unaligned access architecturally executed"/>

+    <event event="0x10" title="Branch" name="Mispredicted" alias="BranchMispredicted" description="Branch mispredicted or not predicted"/>

+    <event event="0x12" title="Branch" name="Potential prediction" alias="PotentialPrediction" description="Branch or other change in program flow that could have been predicted by the branch prediction resources of the processor"/>

+  </category>

diff --git a/tools/gator/daemon/events-L2C-310.xml b/tools/gator/daemon/events-L2C-310.xml
new file mode 100644
index 00000000000..35592cf8448
--- /dev/null
+++ b/tools/gator/daemon/events-L2C-310.xml
@@ -0,0 +1,21 @@
+  <counter_set name="L2C-310_cntX">

+    <counter name="L2C-310_cnt0"/>

+    <counter name="L2C-310_cnt1"/>

+  </counter_set>

+  <category name="L2C-310" counter_set="L2C-310_cntX" per_cpu="no">

+    <event event="0x1" title="L2 Cache" name="CO" description="Eviction, CastOut, of a line from the L2 cache"/>

+    <event event="0x2" title="L2 Cache" name="DRH" description="Data read hit"/>

+    <event event="0x3" title="L2 Cache" name="DRREQ" description="Data read request"/>

+    <event event="0x4" title="L2 Cache" name="DWHIT" description="Data write hit"/>

+    <event event="0x5" title="L2 Cache" name="DWREQ" description="Data write request"/>

+    <event event="0x6" title="L2 Cache" name="DWTREQ" description="Data write request with write-through attribute"/>

+    <event event="0x7" title="L2 Cache" name="IRHIT" description="Instruction read hit"/>

+    <event event="0x8" title="L2 Cache" name="IRREQ" description="Instruction read request"/>

+    <event event="0x9" title="L2 Cache" name="WA" description="Write allocate"/>

+    <event event="0xa" title="L2 Cache" name="IPFALLOC" description="Allocation of a prefetch generated by L2C-310 into the L2 cache"/>

+    <event event="0xb" title="L2 Cache" name="EPFHIT" description="Prefetch hint hits in the L2 cache"/>

+    <event event="0xc" title="L2 Cache" name="EPFALLOC" description="Prefetch hint allocated into the L2 cache"/>

+    <event event="0xd" title="L2 Cache" name="SRRCVD" description="Speculative read received"/>

+    <event event="0xe" title="L2 Cache" name="SRCONF" description="Speculative read confirmed"/>

+    <event event="0xf" title="L2 Cache" name="EPFRCVD" description="Prefetch hint received"/>

+  </category>

diff --git a/tools/gator/daemon/events-Linux.xml b/tools/gator/daemon/events-Linux.xml
new file mode 100644
index 00000000000..85ce63c1dd9
--- /dev/null
+++ b/tools/gator/daemon/events-Linux.xml
@@ -0,0 +1,17 @@
+  <category name="Linux">

+    <event counter="Linux_cpuload_user" title="CPU Load" name="User" per_cpu="yes" description="Scheduler CPU Load of User Application"/>

+    <event counter="Linux_cpuload_system" title="CPU Load" name="System" per_cpu="yes" description="Scheduler CPU Load of System Behavior"/>

+    <event counter="Linux_irq_softirq" title="Interrupts" name="SoftIRQ" per_cpu="yes" description="Linux SoftIRQ taken"/>

+    <event counter="Linux_irq_irq" title="Interrupts" name="IRQ" per_cpu="yes" description="Linux IRQ taken"/>

+    <event counter="Linux_block_rq_wr" title="Disk IO" name="Write" units="B" description="Disk IO Bytes Written"/>

+    <event counter="Linux_block_rq_rd" title="Disk IO" name="Read" units="B" description="Disk IO Bytes Read"/>

+    <event counter="Linux_net_rx" title="Network" name="Receive" units="B" description="Receive network traffic, excluding effect from Streamline"/>

+    <event counter="Linux_net_tx" title="Network" name="Transmit" units="B" description="Transmit network traffic, excluding effect from Streamline"/>

+    <event counter="Linux_sched_switch" title="Scheduler" name="Switch" description="Context switch events"/>

+    <event counter="Linux_meminfo_memused" title="Memory" name="Used" display="maximum" units="B" average_selection="yes" description="Total used memory size"/>

+    <event counter="Linux_meminfo_memfree" title="Memory" name="Free" display="minimum" units="B" average_selection="yes" description="Available memory size"/>

+    <event counter="Linux_meminfo_bufferram" title="Memory" name="Buffer" display="maximum" units="B" average_selection="yes" description="Memory used by buffers"/>

+    <event counter="Linux_power_cpu_freq" title="Clock" name="DVFS" per_cpu="yes" display="maximum" units="Hz" average_selection="yes" description="Target frequency of the CPU"/>

+    <event counter="Linux_power_cpu_idle" title="Power" name="Idle" per_cpu="yes" display="maximum" average_selection="yes" description="CPU Idle State, set the Sample Rate to None to prevent the hrtimer from interrupting the system"/>

+  </category>

+  

diff --git a/tools/gator/daemon/events-Mali-400.xml b/tools/gator/daemon/events-Mali-400.xml
new file mode 100644
index 00000000000..895d0c893cc
--- /dev/null
+++ b/tools/gator/daemon/events-Mali-400.xml
@@ -0,0 +1,397 @@
+  <counter_set name="ARM_Mali-400_VP_cntX">

+    <counter name="ARM_Mali-400_VP_cnt0"/>

+    <counter name="ARM_Mali-400_VP_cnt1"/>

+  </counter_set>

+  <counter_set name="ARM_Mali-400_FP0_cntX">

+    <counter name="ARM_Mali-400_FP0_cnt0"/>

+    <counter name="ARM_Mali-400_FP0_cnt1"/>

+  </counter_set>

+  <counter_set name="ARM_Mali-400_FP1_cntX">

+    <counter name="ARM_Mali-400_FP1_cnt0"/>

+    <counter name="ARM_Mali-400_FP1_cnt1"/>

+  </counter_set>  

+  <counter_set name="ARM_Mali-400_FP2_cntX">

+    <counter name="ARM_Mali-400_FP2_cnt0"/>

+    <counter name="ARM_Mali-400_FP2_cnt1"/>

+  </counter_set>

+  <counter_set name="ARM_Mali-400_FP3_cntX">

+    <counter name="ARM_Mali-400_FP3_cnt0"/>

+    <counter name="ARM_Mali-400_FP3_cnt1"/>

+  </counter_set>

+  <counter_set name="ARM_Mali-400_L2_cntX">

+    <counter name="ARM_Mali-400_L2_cnt0"/>

+    <counter name="ARM_Mali-400_L2_cnt1"/>

+  </counter_set>

+  <counter_set name="ARM_Mali-400_SW_cntX">

+  </counter_set>  

+  <counter_set name="ARM_Mali-400_Filmstrip_cntX">

+	<counter name="ARM_Mali-400_Filmstrip"/>

+  </counter_set>  

+  <category name="Mali-400-VP" counter_set="ARM_Mali-400_VP_cntX" per_cpu="no">

+    <event event="0x01" title="Mali GPU Vertex Processor" name="Active cycles" description="Number of cycles per frame the MaliGP2 was active"/>

+    <event event="0x02" title="Mali GPU Vertex Processor" name="Active cycles, vertex shader" description="Number of cycles per frame the vertex shader unit was active"/>

+    <event event="0x03" title="Mali GPU Vertex Processor" name="Active cycles, vertex storer" description="Number of cycles per frame the vertex storer unit was active"/>

+    <event event="0x04" title="Mali GPU Vertex Processor" name="Active cycles, vertex loader" description="Number of cycles per frame the vertex loader unit was active"/>

+    <event event="0x05" title="Mali GPU Vertex Processor" name="Cycles vertex loader waiting for vertex shader" description="Number of cycles per frame the vertex loader was idle while waiting on the vertex shader"/>

+    <event event="0x06" title="Mali GPU Vertex Processor" name="Words read, system bus" description="Total number of 64 bit words read by the GP2 from the system bus per frame"/>

+    <event event="0x07" title="Mali GPU Vertex Processor" name="Words written, system bus" description="Total number of 64 bit words written by the GP2 to the system bus per frame"/>

+    <event event="0x08" title="Mali GPU Vertex Processor" name="Read bursts, system bus" description="Number of read bursts by the GP2 from the system bus per frame"/>

+    <event event="0x09" title="Mali GPU Vertex Processor" name="Write bursts, system bus" description="Number of write bursts from the MaliGP2 to the system bus per frame"/>

+    <event event="0x0a" title="Mali GPU Vertex Processor" name="Vertices processed" description="Number of vertices processed by the MaliGP2 per frame"/>

+    <event event="0x0b" title="Mali GPU Vertex Processor" name="Vertices fetched" description="Number of vertices fetched by the MaliGP2 per frame"/>

+    <event event="0x0c" title="Mali GPU Vertex Processor" name="Primitives fetched" description="Number of graphics primitives fetched by the MaliGP2 per frame"/>

+    <event event="0x0e" title="Mali GPU Vertex Processor" name="Primitives culled" description="Number of graphics primitives discarded per frame, because they were seen from the back or were offscreen"/>

+    <event event="0x0f" title="Mali GPU Vertex Processor" name="Commands written to tiles" description="Number of commands (8 Bytes, mainly primitives) written by GP2 to the PP input data structure per frame"/>

+    <event event="0x10" title="Mali GPU Vertex Processor" name="Memory blocks allocated" description="Number of overflow data blocks needed for outputting the PP input data structure per frame "/>

+    <event event="0x13" title="Mali GPU Vertex Processor" name="Vertex loader cache misses" description="Number of cache misses for the vertex shader's vertex input unit per frame"/>

+    <event event="0x16" title="Mali GPU Vertex Processor" name="Active cycles, vertex shader command processor" description="Number of cycles per frame the GP2 vertex shader command processor was active. This includes time waiting for semaphores."/>

+    <event event="0x17" title="Mali GPU Vertex Processor" name="Active cycles, PLBU command processor" description="Number of cycles per frame the MaliGP2 PLBU command processor was active. This includes time waiting for semaphores"/>

+    <event event="0x18" title="Mali GPU Vertex Processor" name="Number of cycles per frame the MaliGP2 PLBU output unit was active (Writing the Mali200 input data structure). This includes time spent waiting on the bus" description="MALI_CINSTR_GP_ACTIVE_CYCLES_PLBU_LIST_WRITER"/>

+    <event event="0x19" title="Mali GPU Vertex Processor" name="Active cycles, PLBU geometry processing" description="Number of cycles per frame the MaliGP2 PLBU was active, excepting final data output. In other words: active cycles through the prepare list commands. This includes time spent waiting on the bus"/>

+    <event event="0x1b" title="Mali GPU Vertex Processor" name="Active cycles, PLBU primitive assembly" description="Number of active cycles per frame spent by the MaliGP2 PLBU doing primitive assembly. This does not include scissoring or final output. This includes time spent waiting on the bus"/>

+    <event event="0x1c" title="Mali GPU Vertex Processor" name="Active cycles, PLBU vertex fetcher" description="Number of active cycles per frame spent by the MaliGP2 PLBU fetching vertex data. This includes time spent waiting on the bus"/>

+    <event event="0x1e" title="Mali GPU Vertex Processor" name="Active cycles, Bounding-box and command generator" description="Number of active cycles per frame spent by the MaliGP2 PLBU setting up bounding boxes and commands (mainly graphics primitives). This includes time spent waiting on the bus"/>

+    <event event="0x20" title="Mali GPU Vertex Processor" name="Active cycles, Scissor tile iterator" description="Number of active cycles per frame spent by the MaliGP2 PLBU iterating over tiles to perform scissoringi. This includes time spent waiting on the bus"/>

+    <event event="0x21" title="Mali GPU Vertex Processor" name="Active cycles, PLBU tile iterator" description="Number of active cycles per frame spent by the MaliGP2 PLBU iterating over the tiles in the bounding box generating commands (mainly graphics primitives). This includes time spent waiting on the bus"/>

+  </category>

+  <category name="Mali-400-FP0" counter_set="ARM_Mali-400_FP0_cntX" per_cpu="no">

+    <event event="0x00" title="Mali GPU Fragment Processor 0" name="Active clock cycles" description="Active clock cycles, between polygon start and IRQ"/>

+    <event event="0x02" title="Mali GPU Fragment Processor 0" name="Total bus reads" description="Total number of 64-bit words read from the bus"/>

+    <event event="0x03" title="Mali GPU Fragment Processor 0" name="Total bus writes" description="Total number of 64-bit words written to the bus"/>

+    <event event="0x04" title="Mali GPU Fragment Processor 0" name="Bus read request cycles" description="MALI_CINSTR_PP_BUS_READ_REQUEST_CYCLES_COUNT"/>

+    <event event="0x05" title="Mali GPU Fragment Processor 0" name="Bus write request cycles" description="MALI_CINSTR_PP_BUS_WRITE_REQUEST_CYCLES_COUNT"/>

+    <event event="0x06" title="Mali GPU Fragment Processor 0" name="Bus read transactions count" description="Number of read requests accepted by the bus"/>

+    <event event="0x07" title="Mali GPU Fragment Processor 0" name="Bus write transactions" description="Number of write requests accepted by the bus"/>

+    <event event="0x09" title="Mali GPU Fragment Processor 0" name="Tile writeback writes" description="64-bit words written to the bus by the writeback unit"/>

+    <event event="0x0a" title="Mali GPU Fragment Processor 0" name="Store unit writes" description="64-bit words written to the bus by the store unit"/>

+    <event event="0x0d" title="Mali GPU Fragment Processor 0" name="Texture cache uncompressed reads" description="Number of 64-bit words read from the bus into the uncompressed textures cache"/>

+    <event event="0x0e" title="Mali GPU Fragment Processor 0" name="Polygon list reads" description="Number of 64-bit words read from the bus by the polygon list reader"/>

+    <event event="0x0f" title="Mali GPU Fragment Processor 0" name="RSW reads" description="Number of 64-bit words read from the bus into the Render State Word register"/>

+    <event event="0x10" title="Mali GPU Fragment Processor 0" name="Vertex cache reads" description="Number of 64-bit words read from the bus into the vertex cache"/>

+    <event event="0x11" title="Mali GPU Fragment Processor 0" name="Uniform remapping reads" description="Number of 64-bit words read from the bus when reading from the uniform remapping table"/>

+    <event event="0x12" title="Mali GPU Fragment Processor 0" name="Program cache reads" description="Number of 64-bit words read from the bus into the fragment shader program cache"/>

+    <event event="0x13" title="Mali GPU Fragment Processor 0" name="Varying reads" description="Number of 64-bit words containing varyings generated by the vertex processing read from the bus"/>

+    <event event="0x14" title="Mali GPU Fragment Processor 0" name="Texture descriptors reads" description="Number of 64-bit words containing texture descriptors read from the bus"/>

+    <event event="0x15" title="Mali GPU Fragment Processor 0" name="Texture descriptor remapping reads" description="Number of 64-bit words read from the bus when reading from the texture descriptor remapping table"/>

+    <event event="0x17" title="Mali GPU Fragment Processor 0" name="Load unit reads" description="Number of 64-bit words read from the bus by the LOAD sub-instruction"/>

+    <event event="0x18" title="Mali GPU Fragment Processor 0" name="Polygon count" description="Number of triangles read from the polygon list"/>

+    <event event="0x19" title="Mali GPU Fragment Processor 0" name="Pixel rectangle count" description="Number of pixel rectangles read from the polygon list"/>

+    <event event="0x1a" title="Mali GPU Fragment Processor 0" name="Lines count" description="Number of lines read from the polygon list"/>

+    <event event="0x1b" title="Mali GPU Fragment Processor 0" name="Points count" description="Number of points read from the polygon list"/>

+    <event event="0x1c" title="Mali GPU Fragment Processor 0" name="Stall cycles PolygonListReader" description="Number of clock cycles the Polygon List Reader waited for output being collected"/>

+    <event event="0x1d" title="Mali GPU Fragment Processor 0" name="Stall cycles triangle setup" description="Number of clock cycles the TSC waited for input"/>

+    <event event="0x1e" title="Mali GPU Fragment Processor 0" name="Quad rasterized count" description="Number of 2x?2 quads output from rasterizer"/>

+    <event event="0x1f" title="Mali GPU Fragment Processor 0" name="Fragment rasterized count" description="Number of fragment rasterized. Fragments/(Quads*4) gives average actual fragments per quad"/>

+    <event event="0x20" title="Mali GPU Fragment Processor 0" name="Fragment rejected fragment-kill count" description="Number of fragments exiting the fragment shader as killed"/>

+    <event event="0x21" title="Mali GPU Fragment Processor 0" name="Fragment rejected fwd-fragment-kill count" description="Number of fragments killed by forward fragment kill"/>

+    <event event="0x22" title="Mali GPU Fragment Processor 0" name="Fragment passed z/stencil count" description="Number of fragments passing Z and stencil test"/>

+    <event event="0x23" title="Mali GPU Fragment Processor 0" name="Patches rejected early z/stencil count" description="Number of patches rejected by EarlyZ. A patch can be 8x8, 4x4 or 2x2 pixels"/>

+    <event event="0x24" title="Mali GPU Fragment Processor 0" name="Patches evaluated" description="Number of patches evaluated for EarlyZ rejection"/>

+    <event event="0x25" title="Mali GPU Fragment Processor 0" name="Instruction completed count" description="Number of fragment shader instruction words completed. It is a function of pixels processed and the length of the shader programs"/>

+    <event event="0x26" title="Mali GPU Fragment Processor 0" name="Instruction failed rendezvous count" description="Number of fragment shader instructions not completed because of failed Rendezvous"/>

+    <event event="0x27" title="Mali GPU Fragment Processor 0" name="Instruction failed varying-miss count" description="Number of fragment shader instructions not completed because of failed varying operation"/>

+    <event event="0x28" title="Mali GPU Fragment Processor 0" name="Instruction failed texture-miss count" description="Number of fragment shader instructions not completed because of failed texture operation"/>

+    <event event="0x29" title="Mali GPU Fragment Processor 0" name="Instruction failed load-miss count" description="Number of fragment shader instructions not completed because of failed load operation"/>

+    <event event="0x2a" title="Mali GPU Fragment Processor 0" name="Instruction failed tile read-miss count" description="Number of fragment shader instructions not completed because of failed read from the tilebuffer"/>

+    <event event="0x2b" title="Mali GPU Fragment Processor 0" name="Instruction failed store-miss count" description="Number of fragment shader instructions not completed because of failed store operation"/>

+    <event event="0x2c" title="Mali GPU Fragment Processor 0" name="Rendezvous breakage count" description="Number of Rendezvous breakages reported"/>

+    <event event="0x2d" title="Mali GPU Fragment Processor 0" name="Pipeline bubbles cycle count" description="Number of unused cycles in the fragment shader while rendering is active"/>

+    <event event="0x2e" title="Mali GPU Fragment Processor 0" name="Texture mapper multipass count" description="Number of texture operations looped because of more texture passes needed"/>

+    <event event="0x2f" title="Mali GPU Fragment Processor 0" name="Texture mapper cycle count" description="Number of texture operation cycles"/>

+    <event event="0x30" title="Mali GPU Fragment Processor 0" name="Vertex cache hit count" description="Number of times a requested vertex was found in the cache (Number of vertex cache hits)"/>

+    <event event="0x31" title="Mali GPU Fragment Processor 0" name="Vertex cache miss count" description="Number of times a requested vertex was not found in the cache (Number of vertex cache misses)"/>

+    <event event="0x32" title="Mali GPU Fragment Processor 0" name="Varying cache hit count" description="Number of times a requested varying was found in the cache (Number of varying cache hits)"/>

+    <event event="0x33" title="Mali GPU Fragment Processor 0" name="Varying cache miss count" description="Number of times a requested varying was not found in the cache (Number of varying cache misses)"/>

+    <event event="0x34" title="Mali GPU Fragment Processor 0" name="Varying cache conflict miss count" description="Number of times a requested varying was not in the cache and its value, retrieved from memory, must overwrite an older cache entry. This happens when an access pattern cannot be serviced by the cache"/>

+    <event event="0x35" title="Mali GPU Fragment Processor 0" name="Texture cache hit count" description="Number of times a requested texel was found in the texture cache (Number of texture cache hits)"/>

+    <event event="0x36" title="Mali GPU Fragment Processor 0" name="Texture cache miss count" description="Number of times a requested texel was not found in the texture cache (Number of texture cache misses)"/>

+    <event event="0x37" title="Mali GPU Fragment Processor 0" name="Texture cache conflict miss count" description="Number of times a requested texel was not in the cache and its value, retrieved from memory, must overwrite an older cache entry. This happens when an access pattern cannot be serviced by the cache"/>

+    <event event="0x38" title="Mali GPU Fragment Processor 0" name="(Mali200)Palette cache hit count; (Mali400)Compressed texture cache hit count" description="Number of times a requested item was found in the cache."/>

+    <event event="0x39" title="Mali GPU Fragment Processor 0" name="(Mali200)Palette cache miss count; (Mali400)Compressed texture cache miss count" description="Number of times a requested item was not found in the cache."/>

+    <event event="0x3a" title="Mali GPU Fragment Processor 0" name="Load/Store cache hit count" description="Number of hits in the load/store cache"/>

+    <event event="0x3b" title="Mali GPU Fragment Processor 0" name="Load/Store cache miss count" description="Number of misses in the load/store cache"/>

+    <event event="0x3c" title="Mali GPU Fragment Processor 0" name="Program cache hit count" description="Number of hits in the program cache"/>

+    <event event="0x3d" title="Mali GPU Fragment Processor 0" name="Program cache miss count" description="Number of misses in the program cache"/>

+  </category>

+  <category name="Mali-400-FP1" counter_set="ARM_Mali-400_FP1_cntX" per_cpu="no">

+    <event event="0x00" title="Mali GPU Fragment Processor 1" name="Active clock cycles" description="Active clock cycles, between polygon start and IRQ"/>

+    <event event="0x02" title="Mali GPU Fragment Processor 1" name="Total bus reads" description="Total number of 64-bit words read from the bus"/>

+    <event event="0x03" title="Mali GPU Fragment Processor 1" name="Total bus writes" description="Total number of 64-bit words written to the bus"/>

+    <event event="0x04" title="Mali GPU Fragment Processor 1" name="Bus read request cycles" description="MALI_CINSTR_PP_BUS_READ_REQUEST_CYCLES_COUNT"/>

+    <event event="0x05" title="Mali GPU Fragment Processor 1" name="Bus write request cycles" description="MALI_CINSTR_PP_BUS_WRITE_REQUEST_CYCLES_COUNT"/>

+    <event event="0x06" title="Mali GPU Fragment Processor 1" name="Bus read transactions count" description="Number of read requests accepted by the bus"/>

+    <event event="0x07" title="Mali GPU Fragment Processor 1" name="Bus write transactions" description="Number of write requests accepted by the bus"/>

+    <event event="0x09" title="Mali GPU Fragment Processor 1" name="Tile writeback writes" description="64-bit words written to the bus by the writeback unit"/>

+    <event event="0x0a" title="Mali GPU Fragment Processor 1" name="Store unit writes" description="64-bit words written to the bus by the store unit"/>

+    <event event="0x0d" title="Mali GPU Fragment Processor 1" name="Texture cache uncompressed reads" description="Number of 64-bit words read from the bus into the uncompressed textures cache"/>

+    <event event="0x0e" title="Mali GPU Fragment Processor 1" name="Polygon list reads" description="Number of 64-bit words read from the bus by the polygon list reader"/>

+    <event event="0x0f" title="Mali GPU Fragment Processor 1" name="RSW reads" description="Number of 64-bit words read from the bus into the Render State Word register"/>

+    <event event="0x10" title="Mali GPU Fragment Processor 1" name="Vertex cache reads" description="Number of 64-bit words read from the bus into the vertex cache"/>

+    <event event="0x11" title="Mali GPU Fragment Processor 1" name="Uniform remapping reads" description="Number of 64-bit words read from the bus when reading from the uniform remapping table"/>

+    <event event="0x12" title="Mali GPU Fragment Processor 1" name="Program cache reads" description="Number of 64-bit words read from the bus into the fragment shader program cache"/>

+    <event event="0x13" title="Mali GPU Fragment Processor 1" name="Varying reads" description="Number of 64-bit words containing varyings generated by the vertex processing read from the bus"/>

+    <event event="0x14" title="Mali GPU Fragment Processor 1" name="Texture descriptors reads" description="Number of 64-bit words containing texture descriptors read from the bus"/>

+    <event event="0x15" title="Mali GPU Fragment Processor 1" name="Texture descriptor remapping reads" description="Number of 64-bit words read from the bus when reading from the texture descriptor remapping table"/>

+    <event event="0x17" title="Mali GPU Fragment Processor 1" name="Load unit reads" description="Number of 64-bit words read from the bus by the LOAD sub-instruction"/>

+    <event event="0x18" title="Mali GPU Fragment Processor 1" name="Polygon count" description="Number of triangles read from the polygon list"/>

+    <event event="0x19" title="Mali GPU Fragment Processor 1" name="Pixel rectangle count" description="Number of pixel rectangles read from the polygon list"/>

+    <event event="0x1a" title="Mali GPU Fragment Processor 1" name="Lines count" description="Number of lines read from the polygon list"/>

+    <event event="0x1b" title="Mali GPU Fragment Processor 1" name="Points count" description="Number of points read from the polygon list"/>

+    <event event="0x1c" title="Mali GPU Fragment Processor 1" name="Stall cycles PolygonListReader" description="Number of clock cycles the Polygon List Reader waited for output being collected"/>

+    <event event="0x1d" title="Mali GPU Fragment Processor 1" name="Stall cycles triangle setup" description="Number of clock cycles the TSC waited for input"/>

+    <event event="0x1e" title="Mali GPU Fragment Processor 1" name="Quad rasterized count" description="Number of 2x?2 quads output from rasterizer"/>

+    <event event="0x1f" title="Mali GPU Fragment Processor 1" name="Fragment rasterized count" description="Number of fragment rasterized. Fragments/(Quads*4) gives average actual fragments per quad"/>

+    <event event="0x20" title="Mali GPU Fragment Processor 1" name="Fragment rejected fragment-kill count" description="Number of fragments exiting the fragment shader as killed"/>

+    <event event="0x21" title="Mali GPU Fragment Processor 1" name="Fragment rejected fwd-fragment-kill count" description="Number of fragments killed by forward fragment kill"/>

+    <event event="0x22" title="Mali GPU Fragment Processor 1" name="Fragment passed z/stencil count" description="Number of fragments passing Z and stencil test"/>

+    <event event="0x23" title="Mali GPU Fragment Processor 1" name="Patches rejected early z/stencil count" description="Number of patches rejected by EarlyZ. A patch can be 8x8, 4x4 or 2x2 pixels"/>

+    <event event="0x24" title="Mali GPU Fragment Processor 1" name="Patches evaluated" description="Number of patches evaluated for EarlyZ rejection"/>

+    <event event="0x25" title="Mali GPU Fragment Processor 1" name="Instruction completed count" description="Number of fragment shader instruction words completed. It is a function of pixels processed and the length of the shader programs"/>

+    <event event="0x26" title="Mali GPU Fragment Processor 1" name="Instruction failed rendezvous count" description="Number of fragment shader instructions not completed because of failed Rendezvous"/>

+    <event event="0x27" title="Mali GPU Fragment Processor 1" name="Instruction failed varying-miss count" description="Number of fragment shader instructions not completed because of failed varying operation"/>

+    <event event="0x28" title="Mali GPU Fragment Processor 1" name="Instruction failed texture-miss count" description="Number of fragment shader instructions not completed because of failed texture operation"/>

+    <event event="0x29" title="Mali GPU Fragment Processor 1" name="Instruction failed load-miss count" description="Number of fragment shader instructions not completed because of failed load operation"/>

+    <event event="0x2a" title="Mali GPU Fragment Processor 1" name="Instruction failed tile read-miss count" description="Number of fragment shader instructions not completed because of failed read from the tilebuffer"/>

+    <event event="0x2b" title="Mali GPU Fragment Processor 1" name="Instruction failed store-miss count" description="Number of fragment shader instructions not completed because of failed store operation"/>

+    <event event="0x2c" title="Mali GPU Fragment Processor 1" name="Rendezvous breakage count" description="Number of Rendezvous breakages reported"/>

+    <event event="0x2d" title="Mali GPU Fragment Processor 1" name="Pipeline bubbles cycle count" description="Number of unused cycles in the fragment shader while rendering is active"/>

+    <event event="0x2e" title="Mali GPU Fragment Processor 1" name="Texture mapper multipass count" description="Number of texture operations looped because of more texture passes needed"/>

+    <event event="0x2f" title="Mali GPU Fragment Processor 1" name="Texture mapper cycle count" description="Number of texture operation cycles"/>

+    <event event="0x30" title="Mali GPU Fragment Processor 1" name="Vertex cache hit count" description="Number of times a requested vertex was found in the cache (Number of vertex cache hits)"/>

+    <event event="0x31" title="Mali GPU Fragment Processor 1" name="Vertex cache miss count" description="Number of times a requested vertex was not found in the cache (Number of vertex cache misses)"/>

+    <event event="0x32" title="Mali GPU Fragment Processor 1" name="Varying cache hit count" description="Number of times a requested varying was found in the cache (Number of varying cache hits)"/>

+    <event event="0x33" title="Mali GPU Fragment Processor 1" name="Varying cache miss count" description="Number of times a requested varying was not found in the cache (Number of varying cache misses)"/>

+    <event event="0x34" title="Mali GPU Fragment Processor 1" name="Varying cache conflict miss count" description="Number of times a requested varying was not in the cache and its value, retrieved from memory, must overwrite an older cache entry. This happens when an access pattern cannot be serviced by the cache"/>

+    <event event="0x35" title="Mali GPU Fragment Processor 1" name="Texture cache hit count" description="Number of times a requested texel was found in the texture cache (Number of texture cache hits)"/>

+    <event event="0x36" title="Mali GPU Fragment Processor 1" name="Texture cache miss count" description="Number of times a requested texel was not found in the texture cache (Number of texture cache misses)"/>

+    <event event="0x37" title="Mali GPU Fragment Processor 1" name="Texture cache conflict miss count" description="Number of times a requested texel was not in the cache and its value, retrieved from memory, must overwrite an older cache entry. This happens when an access pattern cannot be serviced by the cache"/>

+    <event event="0x38" title="Mali GPU Fragment Processor 1" name="(Mali200)Palette cache hit count; (Mali400)Compressed texture cache hit count" description="Number of times a requested item was found in the cache."/>

+    <event event="0x39" title="Mali GPU Fragment Processor 1" name="(Mali200)Palette cache miss count; (Mali400)Compressed texture cache miss count" description="Number of times a requested item was not found in the cache."/>

+    <event event="0x3a" title="Mali GPU Fragment Processor 1" name="Load/Store cache hit count" description="Number of hits in the load/store cache"/>

+    <event event="0x3b" title="Mali GPU Fragment Processor 1" name="Load/Store cache miss count" description="Number of misses in the load/store cache"/>

+    <event event="0x3c" title="Mali GPU Fragment Processor 1" name="Program cache hit count" description="Number of hits in the program cache"/>

+    <event event="0x3d" title="Mali GPU Fragment Processor 1" name="Program cache miss count" description="Number of misses in the program cache"/>

+  </category>

+  <category name="Mali-400-FP2" counter_set="ARM_Mali-400_FP2_cntX" per_cpu="no">

+    <event event="0x00" title="Mali GPU Fragment Processor 2" name="Active clock cycles" description="Active clock cycles, between polygon start and IRQ"/>

+    <event event="0x02" title="Mali GPU Fragment Processor 2" name="Total bus reads" description="Total number of 64-bit words read from the bus"/>

+    <event event="0x03" title="Mali GPU Fragment Processor 2" name="Total bus writes" description="Total number of 64-bit words written to the bus"/>

+    <event event="0x04" title="Mali GPU Fragment Processor 2" name="Bus read request cycles" description="MALI_CINSTR_PP_BUS_READ_REQUEST_CYCLES_COUNT"/>

+    <event event="0x05" title="Mali GPU Fragment Processor 2" name="Bus write request cycles" description="MALI_CINSTR_PP_BUS_WRITE_REQUEST_CYCLES_COUNT"/>

+    <event event="0x06" title="Mali GPU Fragment Processor 2" name="Bus read transactions count" description="Number of read requests accepted by the bus"/>

+    <event event="0x07" title="Mali GPU Fragment Processor 2" name="Bus write transactions" description="Number of write requests accepted by the bus"/>

+    <event event="0x09" title="Mali GPU Fragment Processor 2" name="Tile writeback writes" description="64-bit words written to the bus by the writeback unit"/>

+    <event event="0x0a" title="Mali GPU Fragment Processor 2" name="Store unit writes" description="64-bit words written to the bus by the store unit"/>

+    <event event="0x0d" title="Mali GPU Fragment Processor 2" name="Texture cache uncompressed reads" description="Number of 64-bit words read from the bus into the uncompressed textures cache"/>

+    <event event="0x0e" title="Mali GPU Fragment Processor 2" name="Polygon list reads" description="Number of 64-bit words read from the bus by the polygon list reader"/>

+    <event event="0x0f" title="Mali GPU Fragment Processor 2" name="RSW reads" description="Number of 64-bit words read from the bus into the Render State Word register"/>

+    <event event="0x10" title="Mali GPU Fragment Processor 2" name="Vertex cache reads" description="Number of 64-bit words read from the bus into the vertex cache"/>

+    <event event="0x11" title="Mali GPU Fragment Processor 2" name="Uniform remapping reads" description="Number of 64-bit words read from the bus when reading from the uniform remapping table"/>

+    <event event="0x12" title="Mali GPU Fragment Processor 2" name="Program cache reads" description="Number of 64-bit words read from the bus into the fragment shader program cache"/>

+    <event event="0x13" title="Mali GPU Fragment Processor 2" name="Varying reads" description="Number of 64-bit words containing varyings generated by the vertex processing read from the bus"/>

+    <event event="0x14" title="Mali GPU Fragment Processor 2" name="Texture descriptors reads" description="Number of 64-bit words containing texture descriptors read from the bus"/>

+    <event event="0x15" title="Mali GPU Fragment Processor 2" name="Texture descriptor remapping reads" description="Number of 64-bit words read from the bus when reading from the texture descriptor remapping table"/>

+    <event event="0x17" title="Mali GPU Fragment Processor 2" name="Load unit reads" description="Number of 64-bit words read from the bus by the LOAD sub-instruction"/>

+    <event event="0x18" title="Mali GPU Fragment Processor 2" name="Polygon count" description="Number of triangles read from the polygon list"/>

+    <event event="0x19" title="Mali GPU Fragment Processor 2" name="Pixel rectangle count" description="Number of pixel rectangles read from the polygon list"/>

+    <event event="0x1a" title="Mali GPU Fragment Processor 2" name="Lines count" description="Number of lines read from the polygon list"/>

+    <event event="0x1b" title="Mali GPU Fragment Processor 2" name="Points count" description="Number of points read from the polygon list"/>

+    <event event="0x1c" title="Mali GPU Fragment Processor 2" name="Stall cycles PolygonListReader" description="Number of clock cycles the Polygon List Reader waited for output being collected"/>

+    <event event="0x1d" title="Mali GPU Fragment Processor 2" name="Stall cycles triangle setup" description="Number of clock cycles the TSC waited for input"/>

+    <event event="0x1e" title="Mali GPU Fragment Processor 2" name="Quad rasterized count" description="Number of 2x?2 quads output from rasterizer"/>

+    <event event="0x1f" title="Mali GPU Fragment Processor 2" name="Fragment rasterized count" description="Number of fragment rasterized. Fragments/(Quads*4) gives average actual fragments per quad"/>

+    <event event="0x20" title="Mali GPU Fragment Processor 2" name="Fragment rejected fragment-kill count" description="Number of fragments exiting the fragment shader as killed"/>

+    <event event="0x21" title="Mali GPU Fragment Processor 2" name="Fragment rejected fwd-fragment-kill count" description="Number of fragments killed by forward fragment kill"/>

+    <event event="0x22" title="Mali GPU Fragment Processor 2" name="Fragment passed z/stencil count" description="Number of fragments passing Z and stencil test"/>

+    <event event="0x23" title="Mali GPU Fragment Processor 2" name="Patches rejected early z/stencil count" description="Number of patches rejected by EarlyZ. A patch can be 8x8, 4x4 or 2x2 pixels"/>

+    <event event="0x24" title="Mali GPU Fragment Processor 2" name="Patches evaluated" description="Number of patches evaluated for EarlyZ rejection"/>

+    <event event="0x25" title="Mali GPU Fragment Processor 2" name="Instruction completed count" description="Number of fragment shader instruction words completed. It is a function of pixels processed and the length of the shader programs"/>

+    <event event="0x26" title="Mali GPU Fragment Processor 2" name="Instruction failed rendezvous count" description="Number of fragment shader instructions not completed because of failed Rendezvous"/>

+    <event event="0x27" title="Mali GPU Fragment Processor 2" name="Instruction failed varying-miss count" description="Number of fragment shader instructions not completed because of failed varying operation"/>

+    <event event="0x28" title="Mali GPU Fragment Processor 2" name="Instruction failed texture-miss count" description="Number of fragment shader instructions not completed because of failed texture operation"/>

+    <event event="0x29" title="Mali GPU Fragment Processor 2" name="Instruction failed load-miss count" description="Number of fragment shader instructions not completed because of failed load operation"/>

+    <event event="0x2a" title="Mali GPU Fragment Processor 2" name="Instruction failed tile read-miss count" description="Number of fragment shader instructions not completed because of failed read from the tilebuffer"/>

+    <event event="0x2b" title="Mali GPU Fragment Processor 2" name="Instruction failed store-miss count" description="Number of fragment shader instructions not completed because of failed store operation"/>

+    <event event="0x2c" title="Mali GPU Fragment Processor 2" name="Rendezvous breakage count" description="Number of Rendezvous breakages reported"/>

+    <event event="0x2d" title="Mali GPU Fragment Processor 2" name="Pipeline bubbles cycle count" description="Number of unused cycles in the fragment shader while rendering is active"/>

+    <event event="0x2e" title="Mali GPU Fragment Processor 2" name="Texture mapper multipass count" description="Number of texture operations looped because of more texture passes needed"/>

+    <event event="0x2f" title="Mali GPU Fragment Processor 2" name="Texture mapper cycle count" description="Number of texture operation cycles"/>

+    <event event="0x30" title="Mali GPU Fragment Processor 2" name="Vertex cache hit count" description="Number of times a requested vertex was found in the cache (Number of vertex cache hits)"/>

+    <event event="0x31" title="Mali GPU Fragment Processor 2" name="Vertex cache miss count" description="Number of times a requested vertex was not found in the cache (Number of vertex cache misses)"/>

+    <event event="0x32" title="Mali GPU Fragment Processor 2" name="Varying cache hit count" description="Number of times a requested varying was found in the cache (Number of varying cache hits)"/>

+    <event event="0x33" title="Mali GPU Fragment Processor 2" name="Varying cache miss count" description="Number of times a requested varying was not found in the cache (Number of varying cache misses)"/>

+    <event event="0x34" title="Mali GPU Fragment Processor 2" name="Varying cache conflict miss count" description="Number of times a requested varying was not in the cache and its value, retrieved from memory, must overwrite an older cache entry. This happens when an access pattern cannot be serviced by the cache"/>

+    <event event="0x35" title="Mali GPU Fragment Processor 2" name="Texture cache hit count" description="Number of times a requested texel was found in the texture cache (Number of texture cache hits)"/>

+    <event event="0x36" title="Mali GPU Fragment Processor 2" name="Texture cache miss count" description="Number of times a requested texel was not found in the texture cache (Number of texture cache misses)"/>

+    <event event="0x37" title="Mali GPU Fragment Processor 2" name="Texture cache conflict miss count" description="Number of times a requested texel was not in the cache and its value, retrieved from memory, must overwrite an older cache entry. This happens when an access pattern cannot be serviced by the cache"/>

+    <event event="0x38" title="Mali GPU Fragment Processor 2" name="(Mali200)Palette cache hit count; (Mali400)Compressed texture cache hit count" description="Number of times a requested item was found in the cache."/>

+    <event event="0x39" title="Mali GPU Fragment Processor 2" name="(Mali200)Palette cache miss count; (Mali400)Compressed texture cache miss count" description="Number of times a requested item was not found in the cache."/>

+    <event event="0x3a" title="Mali GPU Fragment Processor 2" name="Load/Store cache hit count" description="Number of hits in the load/store cache"/>

+    <event event="0x3b" title="Mali GPU Fragment Processor 2" name="Load/Store cache miss count" description="Number of misses in the load/store cache"/>

+    <event event="0x3c" title="Mali GPU Fragment Processor 2" name="Program cache hit count" description="Number of hits in the program cache"/>

+    <event event="0x3d" title="Mali GPU Fragment Processor 2" name="Program cache miss count" description="Number of misses in the program cache"/>

+  </category>

+  <category name="Mali-400-FP3" counter_set="ARM_Mali-400_FP3_cntX" per_cpu="no">

+    <event event="0x00" title="Mali GPU Fragment Processor 3" name="Active clock cycles" description="Active clock cycles, between polygon start and IRQ"/>

+    <event event="0x02" title="Mali GPU Fragment Processor 3" name="Total bus reads" description="Total number of 64-bit words read from the bus"/>

+    <event event="0x03" title="Mali GPU Fragment Processor 3" name="Total bus writes" description="Total number of 64-bit words written to the bus"/>

+    <event event="0x04" title="Mali GPU Fragment Processor 3" name="Bus read request cycles" description="MALI_CINSTR_PP_BUS_READ_REQUEST_CYCLES_COUNT"/>

+    <event event="0x05" title="Mali GPU Fragment Processor 3" name="Bus write request cycles" description="MALI_CINSTR_PP_BUS_WRITE_REQUEST_CYCLES_COUNT"/>

+    <event event="0x06" title="Mali GPU Fragment Processor 3" name="Bus read transactions count" description="Number of read requests accepted by the bus"/>

+    <event event="0x07" title="Mali GPU Fragment Processor 3" name="Bus write transactions" description="Number of write requests accepted by the bus"/>

+    <event event="0x09" title="Mali GPU Fragment Processor 3" name="Tile writeback writes" description="64-bit words written to the bus by the writeback unit"/>

+    <event event="0x0a" title="Mali GPU Fragment Processor 3" name="Store unit writes" description="64-bit words written to the bus by the store unit"/>

+    <event event="0x0d" title="Mali GPU Fragment Processor 3" name="Texture cache uncompressed reads" description="Number of 64-bit words read from the bus into the uncompressed textures cache"/>

+    <event event="0x0e" title="Mali GPU Fragment Processor 3" name="Polygon list reads" description="Number of 64-bit words read from the bus by the polygon list reader"/>

+    <event event="0x0f" title="Mali GPU Fragment Processor 3" name="RSW reads" description="Number of 64-bit words read from the bus into the Render State Word register"/>

+    <event event="0x10" title="Mali GPU Fragment Processor 3" name="Vertex cache reads" description="Number of 64-bit words read from the bus into the vertex cache"/>

+    <event event="0x11" title="Mali GPU Fragment Processor 3" name="Uniform remapping reads" description="Number of 64-bit words read from the bus when reading from the uniform remapping table"/>

+    <event event="0x12" title="Mali GPU Fragment Processor 3" name="Program cache reads" description="Number of 64-bit words read from the bus into the fragment shader program cache"/>

+    <event event="0x13" title="Mali GPU Fragment Processor 3" name="Varying reads" description="Number of 64-bit words containing varyings generated by the vertex processing read from the bus"/>

+    <event event="0x14" title="Mali GPU Fragment Processor 3" name="Texture descriptors reads" description="Number of 64-bit words containing texture descriptors read from the bus"/>

+    <event event="0x15" title="Mali GPU Fragment Processor 3" name="Texture descriptor remapping reads" description="Number of 64-bit words read from the bus when reading from the texture descriptor remapping table"/>

+    <event event="0x17" title="Mali GPU Fragment Processor 3" name="Load unit reads" description="Number of 64-bit words read from the bus by the LOAD sub-instruction"/>

+    <event event="0x18" title="Mali GPU Fragment Processor 3" name="Polygon count" description="Number of triangles read from the polygon list"/>

+    <event event="0x19" title="Mali GPU Fragment Processor 3" name="Pixel rectangle count" description="Number of pixel rectangles read from the polygon list"/>

+    <event event="0x1a" title="Mali GPU Fragment Processor 3" name="Lines count" description="Number of lines read from the polygon list"/>

+    <event event="0x1b" title="Mali GPU Fragment Processor 3" name="Points count" description="Number of points read from the polygon list"/>

+    <event event="0x1c" title="Mali GPU Fragment Processor 3" name="Stall cycles PolygonListReader" description="Number of clock cycles the Polygon List Reader waited for output being collected"/>

+    <event event="0x1d" title="Mali GPU Fragment Processor 3" name="Stall cycles triangle setup" description="Number of clock cycles the TSC waited for input"/>

+    <event event="0x1e" title="Mali GPU Fragment Processor 3" name="Quad rasterized count" description="Number of 2x?2 quads output from rasterizer"/>

+    <event event="0x1f" title="Mali GPU Fragment Processor 3" name="Fragment rasterized count" description="Number of fragment rasterized. Fragments/(Quads*4) gives average actual fragments per quad"/>

+    <event event="0x20" title="Mali GPU Fragment Processor 3" name="Fragment rejected fragment-kill count" description="Number of fragments exiting the fragment shader as killed"/>

+    <event event="0x21" title="Mali GPU Fragment Processor 3" name="Fragment rejected fwd-fragment-kill count" description="Number of fragments killed by forward fragment kill"/>

+    <event event="0x22" title="Mali GPU Fragment Processor 3" name="Fragment passed z/stencil count" description="Number of fragments passing Z and stencil test"/>

+    <event event="0x23" title="Mali GPU Fragment Processor 3" name="Patches rejected early z/stencil count" description="Number of patches rejected by EarlyZ. A patch can be 8x8, 4x4 or 2x2 pixels"/>

+    <event event="0x24" title="Mali GPU Fragment Processor 3" name="Patches evaluated" description="Number of patches evaluated for EarlyZ rejection"/>

+    <event event="0x25" title="Mali GPU Fragment Processor 3" name="Instruction completed count" description="Number of fragment shader instruction words completed. It is a function of pixels processed and the length of the shader programs"/>

+    <event event="0x26" title="Mali GPU Fragment Processor 3" name="Instruction failed rendezvous count" description="Number of fragment shader instructions not completed because of failed Rendezvous"/>

+    <event event="0x27" title="Mali GPU Fragment Processor 3" name="Instruction failed varying-miss count" description="Number of fragment shader instructions not completed because of failed varying operation"/>

+    <event event="0x28" title="Mali GPU Fragment Processor 3" name="Instruction failed texture-miss count" description="Number of fragment shader instructions not completed because of failed texture operation"/>

+    <event event="0x29" title="Mali GPU Fragment Processor 3" name="Instruction failed load-miss count" description="Number of fragment shader instructions not completed because of failed load operation"/>

+    <event event="0x2a" title="Mali GPU Fragment Processor 3" name="Instruction failed tile read-miss count" description="Number of fragment shader instructions not completed because of failed read from the tilebuffer"/>

+    <event event="0x2b" title="Mali GPU Fragment Processor 3" name="Instruction failed store-miss count" description="Number of fragment shader instructions not completed because of failed store operation"/>

+    <event event="0x2c" title="Mali GPU Fragment Processor 3" name="Rendezvous breakage count" description="Number of Rendezvous breakages reported"/>

+    <event event="0x2d" title="Mali GPU Fragment Processor 3" name="Pipeline bubbles cycle count" description="Number of unused cycles in the fragment shader while rendering is active"/>

+    <event event="0x2e" title="Mali GPU Fragment Processor 3" name="Texture mapper multipass count" description="Number of texture operations looped because of more texture passes needed"/>

+    <event event="0x2f" title="Mali GPU Fragment Processor 3" name="Texture mapper cycle count" description="Number of texture operation cycles"/>

+    <event event="0x30" title="Mali GPU Fragment Processor 3" name="Vertex cache hit count" description="Number of times a requested vertex was found in the cache (Number of vertex cache hits)"/>

+    <event event="0x31" title="Mali GPU Fragment Processor 3" name="Vertex cache miss count" description="Number of times a requested vertex was not found in the cache (Number of vertex cache misses)"/>

+    <event event="0x32" title="Mali GPU Fragment Processor 3" name="Varying cache hit count" description="Number of times a requested varying was found in the cache (Number of varying cache hits)"/>

+    <event event="0x33" title="Mali GPU Fragment Processor 3" name="Varying cache miss count" description="Number of times a requested varying was not found in the cache (Number of varying cache misses)"/>

+    <event event="0x34" title="Mali GPU Fragment Processor 3" name="Varying cache conflict miss count" description="Number of times a requested varying was not in the cache and its value, retrieved from memory, must overwrite an older cache entry. This happens when an access pattern cannot be serviced by the cache"/>

+    <event event="0x35" title="Mali GPU Fragment Processor 3" name="Texture cache hit count" description="Number of times a requested texel was found in the texture cache (Number of texture cache hits)"/>

+    <event event="0x36" title="Mali GPU Fragment Processor 3" name="Texture cache miss count" description="Number of times a requested texel was not found in the texture cache (Number of texture cache misses)"/>

+    <event event="0x37" title="Mali GPU Fragment Processor 3" name="Texture cache conflict miss count" description="Number of times a requested texel was not in the cache and its value, retrieved from memory, must overwrite an older cache entry. This happens when an access pattern cannot be serviced by the cache"/>

+    <event event="0x38" title="Mali GPU Fragment Processor 3" name="(Mali200)Palette cache hit count; (Mali400)Compressed texture cache hit count" description="Number of times a requested item was found in the cache."/>

+    <event event="0x39" title="Mali GPU Fragment Processor 3" name="(Mali200)Palette cache miss count; (Mali400)Compressed texture cache miss count" description="Number of times a requested item was not found in the cache."/>

+    <event event="0x3a" title="Mali GPU Fragment Processor 3" name="Load/Store cache hit count" description="Number of hits in the load/store cache"/>

+    <event event="0x3b" title="Mali GPU Fragment Processor 3" name="Load/Store cache miss count" description="Number of misses in the load/store cache"/>

+    <event event="0x3c" title="Mali GPU Fragment Processor 3" name="Program cache hit count" description="Number of hits in the program cache"/>

+    <event event="0x3d" title="Mali GPU Fragment Processor 3" name="Program cache miss count" description="Number of misses in the program cache"/>

+  </category>

+  <category name="Mali-400-L2" counter_set="ARM_Mali-400_L2_cntX" per_cpu="no">

+    <event event="0x01" title="Mali L2 Cache" name="Total clock cycles" description="Total clock cycles"/>

+    <event event="0x02" title="Mali L2 Cache" name="Active clock cycles" description="Active clock cycles" />

+    <event event="0x08" title="Mali L2 Cache" name="Read transactions, master" description="Read transactions, master" />

+    <event event="0x09" title="Mali L2 Cache" name="Write transactions, master" description="Write transactions, master" />

+    <event event="0x0a" title="Mali L2 Cache" name="Words read, master" description="Words read, master" />

+    <event event="0x0b" title="Mali L2 Cache" name="Words written, master" description="Words written, master" />

+    <event event="0x10" title="Mali L2 Cache" name="Read transactions, all slaves" description="Read transactions, all slaves" />

+    <event event="0x11" title="Mali L2 Cache" name="Write transactions, all slaves" description="Write transactions, all slaves" />

+    <event event="0x12" title="Mali L2 Cache" name="Words read, all slaves" description="Words read, all slaves" />

+    <event event="0x13" title="Mali L2 Cache" name="Words written, all slaves" description="Words written, all slaves" />

+    <event event="0x14" title="Mali L2 Cache" name="Read hits, all slaves" description="Read hits, all slaves" />

+    <event event="0x15" title="Mali L2 Cache" name="Read misses, all slaves" description="Read misses, all slaves" />

+    <event event="0x16" title="Mali L2 Cache" name="Write invalidates, all slaves" description="Write invalidates, all slaves" />

+    <event event="0x17" title="Mali L2 Cache" name="Read invalidates, all slaves" description="Read invalidates, all slaves" />

+    <event event="0x18" title="Mali L2 Cache" name="Cacheable read transactions, all slaves" description="Cacheable read transactions, all slaves" />

+    <event event="0x20" title="Mali L2 Cache" name="Read transactions, slave 0" description="Read transactions, slave 0" />

+    <event event="0x21" title="Mali L2 Cache" name="Write transactions, slave 0" description="Write transactions, slave 0" />

+    <event event="0x22" title="Mali L2 Cache" name="Words read, slave 0" description="Words read, slave 0" />

+    <event event="0x23" title="Mali L2 Cache" name="Words written, slave 0" description="Words written, slave 0" />

+    <event event="0x24" title="Mali L2 Cache" name="Read hits, slave 0" description="Read hits, slave 0" />

+    <event event="0x25" title="Mali L2 Cache" name="Read misses, slave 0" description="Read misses, slave 0" />

+    <event event="0x26" title="Mali L2 Cache" name="Write invalidates, slave 0" description="Write invalidates, slave 0" />

+    <event event="0x27" title="Mali L2 Cache" name="Read invalidates, slave 0" description="Read invalidates, slave 0" />

+    <event event="0x28" title="Mali L2 Cache" name="Cacheable read transactions, slave 0" description="Cacheable read transactions, slave 0" />

+    <event event="0x30" title="Mali L2 Cache" name="Read transactions, slave 1" description="Read transactions, slave 1" />

+    <event event="0x31" title="Mali L2 Cache" name="Write transactions, slave 1" description="Write transactions, slave 1" />

+    <event event="0x32" title="Mali L2 Cache" name="Words read, slave 1" description="Words read, slave 1" />

+    <event event="0x33" title="Mali L2 Cache" name="Words written, slave 1" description="Words written, slave 1" />

+    <event event="0x34" title="Mali L2 Cache" name="Read hits, slave 1" description="Read hits, slave 1" />

+    <event event="0x35" title="Mali L2 Cache" name="Read misses, slave 1" description="Read misses, slave 1" />

+    <event event="0x36" title="Mali L2 Cache" name="Write invalidates, slave 1" description="Write invalidates, slave 1" />

+    <event event="0x37" title="Mali L2 Cache" name="Read invalidates, slave 1" description="Read invalidates, slave 1" />

+    <event event="0x38" title="Mali L2 Cache" name="Cacheable read transactions, slave 1" description="Cacheable read transactions, slave 1" />

+    <event event="0x40" title="Mali L2 Cache" name="Read transactions, slave 2" description="Read transactions, slave 2" />

+    <event event="0x41" title="Mali L2 Cache" name="Write transactions, slave 2" description="Write transactions, slave 2" />

+    <event event="0x42" title="Mali L2 Cache" name="Words read, slave 2" description="Words read, slave 2" />

+    <event event="0x43" title="Mali L2 Cache" name="Words written, slave 2" description="Words written, slave 2" />

+    <event event="0x44" title="Mali L2 Cache" name="Read hits, slave 2" description="Read hits, slave 2" />

+    <event event="0x45" title="Mali L2 Cache" name="Read misses, slave 2" description="Read misses, slave 2" />

+    <event event="0x46" title="Mali L2 Cache" name="Write invalidates, slave 2" description="Write invalidates, slave 2" />

+    <event event="0x47" title="Mali L2 Cache" name="Read invalidates, slave 2" description="Read invalidates, slave 2" />

+    <event event="0x48" title="Mali L2 Cache" name="Cacheable read transactions, slave 2" description="Cacheable read transactions, slave 2" />

+    <event event="0x50" title="Mali L2 Cache" name="Read transactions, slave 3" description="Read transactions, slave 3" />

+    <event event="0x51" title="Mali L2 Cache" name="Write transactions, slave 3" description="Write transactions, slave 3" />

+    <event event="0x52" title="Mali L2 Cache" name="Words read, slave 3" description="Words read, slave 3" />

+    <event event="0x53" title="Mali L2 Cache" name="Words written, slave 3" description="Words written, slave 3" />

+    <event event="0x54" title="Mali L2 Cache" name="Read hits, slave 3" description="Read hits, slave 3" />

+    <event event="0x55" title="Mali L2 Cache" name="Read misses, slave 3" description="Read misses, slave 3" />

+    <event event="0x56" title="Mali L2 Cache" name="Write invalidates, slave 3" description="Write invalidates, slave 3" />

+    <event event="0x57" title="Mali L2 Cache" name="Read invalidates, slave 3" description="Read invalidates, slave 3" />

+    <event event="0x58" title="Mali L2 Cache" name="Cacheable read transactions, slave 3" description="Cacheable read transactions, slave 3" />

+    <event event="0x60" title="Mali L2 Cache" name="Read transactions, slave 4" description="Read transactions, slave 4" />

+    <event event="0x61" title="Mali L2 Cache" name="Write transactions, slave 4" description="Write transactions, slave 4" />

+    <event event="0x62" title="Mali L2 Cache" name="Words read, slave 4" description="Words read, slave 4" />

+    <event event="0x63" title="Mali L2 Cache" name="Words written, slave 4" description="Words written, slave 4" />

+    <event event="0x64" title="Mali L2 Cache" name="Read hits, slave 4" description="Read hits, slave 4" />

+    <event event="0x65" title="Mali L2 Cache" name="Read misses, slave 4" description="Read misses, slave 4" />

+    <event event="0x66" title="Mali L2 Cache" name="Write invalidates, slave 4" description="Write invalidates, slave 4" />

+    <event event="0x67" title="Mali L2 Cache" name="Read invalidates, slave 4" description="Read invalidates, slave 4" />

+    <event event="0x68" title="Mali L2 Cache" name="Cacheable read transactions, slave 4" description="Cacheable read transactions, slave 4" />

+  </category>

+  <category name="ARM_Mali-400_Filmstrip" counter_set="ARM_Mali-400_Filmstrip_cntX" per_cpu="no">

+    <event event="0x040a" title="ARM_Mali-400_Filmstrip" name="Freq 1:10" description="Scaled framebuffer captures every 10th frame" />

+    <event event="0x041e" title="ARM_Mali-400_Filmstrip" name="Freq 1:30" description="Scaled framebuffer captures every 30th frame" />

+    <event event="0x043c" title="ARM_Mali-400_Filmstrip" name="Freq 1:60" description="Scaled framebuffer captures every 60th frame" />

+  </category>

+  <category name="Mali-400-SW" counter_set="ARM_Mali-400_SW_cntX" per_cpu="no">

+    <!-- EGL Counters -->

+    <event counter="ARM_Mali-400_SW_17" title="Mali EGL Software Counters" name="Blit Time" description="Time spent blitting the the framebuffer from video memory to framebuffer"/>

+    <!-- glDrawElements Counters -->

+    <event counter="ARM_Mali-400_SW_18" title="glDrawElements Statistics" name="Calls to glDrawElements" description="Number of calls to glDrawElements"/>

+    <event counter="ARM_Mali-400_SW_19" title="glDrawElements Statistics" name="Indices to glDrawElements" description="Number of indicies to glDrawElements"/>

+    <event counter="ARM_Mali-400_SW_20" title="glDrawElements Statistics" name="Transformed by glDrawElements" description="Number of vertices transformed by glDrawElements"/>

+    <!-- glDrawArrays Counters -->

+    <event counter="ARM_Mali-400_SW_21" title="glDrawArrays Statistics" name="Calls to glDrawArrays" description="Number of calls to glDrawArrays"/>

+    <event counter="ARM_Mali-400_SW_22" title="glDrawArrays Statistics" name="Transformed by glDrawArrays" description="Number of vertices transformed by glDrawArrays"/>

+    <!-- Draw Call Counters -->

+    <event counter="ARM_Mali-400_SW_23" title="Drawcall Statistics" name="Points" description="Number of calls to glDraw* with parameter GL_POINTS"/>

+    <event counter="ARM_Mali-400_SW_24" title="Drawcall Statistics" name="Lines" description="Number of calls to glDraw* with parameter GL_LINES"/>

+    <event counter="ARM_Mali-400_SW_25" title="Drawcall Statistics" name="Lineloop" description="Number of calls to glDraw* with parameter GL_LINE_LOOP"/>

+    <event counter="ARM_Mali-400_SW_26" title="Drawcall Statistics" name="Linestrip" description="Number of calls to glDraw* with parameter GL_LINE_STRIP"/>

+    <event counter="ARM_Mali-400_SW_27" title="Drawcall Statistics" name="Triangles" description="Number of calls to glDraw* with parameter GL_TRIANGLES"/>

+    <event counter="ARM_Mali-400_SW_28" title="Drawcall Statistics" name="Trianglestrip" description="Number of calls to glDraw* with parameter GL_TRIANGLE_STRIP"/>

+    <event counter="ARM_Mali-400_SW_29" title="Drawcall Statistics" name="Trianglefan" description="Number of calls to glDraw* with parameter GL_TRIANGLE_FAN"/>

+    <event counter="ARM_Mali-400_SW_30" title="Drawcall Statistics" name="Vertex Upload Time (us)" description="Time spent uploading vertex attributes and faceindex data not present in a VBO"/>

+    <event counter="ARM_Mali-400_SW_31" title="Drawcall Statistics" name="Uniform Bytes Copied (bytes)" description="Number of bytes copied to Mali memory as a result of uniforms update"/>

+    <!-- Buffer Profiling Counters -->

+    <event counter="ARM_Mali-400_SW_32" title="Buffer Profiling" name="Texture Upload Time (ms)" description="Time spent uploading textures"/>

+    <event counter="ARM_Mali-400_SW_33" title="Buffer Profiling" name="VBO Upload Time (ms)" description="Time spent uploading vertex buffer objects"/>

+    <event counter="ARM_Mali-400_SW_34" title="Buffer Profiling" name="FBO Flushes" description="Number of flushed on framebuffer attachement"/>

+    <!-- OpenGL ES 1.1 Emulation -->

+    <event counter="ARM_Mali-400_SW_35" title="Fixed-function Emulation" name="# Vertex Shaders Generated" description="Number of vertex shaders generated"/>

+    <event counter="ARM_Mali-400_SW_36" title="Fixed-function Emulation" name="# Fragment Shaders Generated" description="Number of fragment shaders generated"/>

+    <!-- Geometry Statistics -->

+    <event counter="ARM_Mali-400_SW_50" title="Geometry Statistics" name="Triangles" description="The total number of triangles passed to GLES per-frame"/>

+    <event counter="ARM_Mali-400_SW_51" title="Geometry Statistics" name="Independent Triangles" description="Number of triangles passed to GLES using the mode GL_TRIANGLES"/>

+    <event counter="ARM_Mali-400_SW_52" title="Geometry Statistics" name="Strip Triangles" description="Number of triangles passed to GLES using the mode GL_TRIANGLE_STRIP"/>

+    <event counter="ARM_Mali-400_SW_53" title="Geometry Statistics" name="Fan Triangles" description="Number of triangles passed to GLES using the mode GL_TRIANGLE_FAN"/>

+    <event counter="ARM_Mali-400_SW_54" title="Geometry Statistics" name="Lines" description="Number of lines passed to GLES per-frame"/>

+    <event counter="ARM_Mali-400_SW_55" title="Geometry Statistics" name="Independent Lines" description="Number of lines passed to GLES using the mode GL_LINES"/>

+    <event counter="ARM_Mali-400_SW_56" title="Geometry Statistics" name="Strip Lines" description="Number of lines passed to GLES using the mode GL_LINE_STRIP"/>

+    <event counter="ARM_Mali-400_SW_57" title="Geometry Statistics" name="Loop Lines" description="Number of lines passed to GLES using the mode GL_LINE_LOOP"/>

+  </category>

+

diff --git a/tools/gator/daemon/events-Scorpion.xml b/tools/gator/daemon/events-Scorpion.xml
new file mode 100644
index 00000000000..6c2b6f8c9f7
--- /dev/null
+++ b/tools/gator/daemon/events-Scorpion.xml
@@ -0,0 +1,112 @@
+  <counter_set name="Scorpion_cntX">

+    <counter name="Scorpion_cnt0"/>

+    <counter name="Scorpion_cnt1"/>

+    <counter name="Scorpion_cnt2"/>

+    <counter name="Scorpion_cnt3"/>

+  </counter_set>

+  <category name="Scorpion" counter_set="Scorpion_cntX" per_cpu="yes">

+    <event counter="Scorpion_ccnt" title="Clock" name="Cycles" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes" description="The number of core clock cycles"/>

+    <event event="0x00" title="Software" name="Increment" description="Incremented only on writes to the Software Increment Register"/>

+    <event event="0x01" title="Cache" name="Instruction refill" description="Instruction fetch that causes a refill of at least the level of instruction or unified cache closest to the processor"/>

+    <event event="0x02" title="Cache" name="Inst TLB refill" description="Instruction fetch that causes a TLB refill of at least the level of TLB closest to the processor"/>

+    <event event="0x03" title="Cache" name="Data refill" description="Memory Read or Write operation that causes a refill of at least the level of data or unified cache closest to the processor"/>

+    <event event="0x04" title="Cache" name="Data access" description="Memory Read or Write operation that causes a cache access to at least the level of data or unified cache closest to the processor"/>

+    <event event="0x05" title="Cache" name="Data TLB refill" description="Memory Read or Write operation that causes a TLB refill of at least the level of TLB closest to the processor"/>

+    <event event="0x06" title="Instruction" name="Memory read" alias="MemoryRead" description="Memory-reading instruction architecturally executed"/>

+    <event event="0x07" title="Instruction" name="Memory write" alias="MemoryWrite" description="Memory-writing instruction architecturally executed"/>

+    <event event="0x08" title="Instruction" name="Executed" alias="InstructionsExecuted" description="Instruction architecturally executed"/>

+    <event event="0x09" title="Exception" name="Taken" description="Exceptions taken"/>

+    <event event="0x0a" title="Exception" name="Return" description="Exception return architecturally executed"/>

+    <event event="0x0b" title="Instruction" name="CONTEXTIDR" description="Instruction that writes to the CONTEXTIDR architecturally executed"/>

+    <event event="0x0c" title="Program Counter" name="SW change" description="Software change of PC, except by an exception, architecturally executed"/>

+    <event event="0x0d" title="Branch" name="Immediate" description="Immediate branch architecturally executed"/>

+    <event event="0x0e" title="Branch" name="Procedure Return" description="Procedure return architecturally executed (not by exceptions)"/>

+    <event event="0x0f" title="Memory" name="Unaligned access" alias="UnalignedAccess" description="Unaligned access architecturally executed"/>

+    <event event="0x10" title="Branch" name="Mispredicted" alias="BranchMispredicted" description="Branch mispredicted or not predicted"/>

+    <event event="0x12" title="Branch" name="Potential prediction" alias="PotentialPrediction" description="Branch or other change in program flow that could have been predicted by the branch prediction resources of the processor"/>

+    <event event="0x4c" title="Scorpion" name="ICACHE_EXPL_INV" description="I-cache explicit invalidates"/>

+    <event event="0x4d" title="Scorpion" name="ICACHE_MISS" description="I-cache misses"/>

+    <event event="0x4e" title="Scorpion" name="ICACHE_ACCESS" description="I-cache accesses"/>

+    <event event="0x4f" title="Scorpion" name="ICACHE_CACHEREQ_L2" description="I-cache cacheable requests to L2"/>

+    <event event="0x50" title="Scorpion" name="ICACHE_NOCACHE_L2" description="I-cache non-cacheable requests to L2"/>

+    <event event="0x51" title="Scorpion" name="HIQUP_NOPED" description="Conditional instructions HIQUPs NOPed"/>

+    <event event="0x52" title="Scorpion" name="DATA_ABORT" description="Interrupts and Exceptions Data Abort"/>

+    <event event="0x53" title="Scorpion" name="IRQ" description="Interrupts and Exceptions IRQ"/>

+    <event event="0x54" title="Scorpion" name="FIQ" description="Interrupts and Exceptions FIQ"/>

+    <event event="0x55" title="Scorpion" name="ALL_EXCPT" description="Interrupts and Exceptions All interrupts"/>

+    <event event="0x56" title="Scorpion" name="UNDEF" description="Interrupts and Exceptions Undefined"/>

+    <event event="0x57" title="Scorpion" name="SVC" description="Interrupts and Exceptions SVC"/>

+    <event event="0x58" title="Scorpion" name="SMC" description="Interrupts and Exceptions SMC"/>

+    <event event="0x59" title="Scorpion" name="PREFETCH_ABORT" description="Interrupts and Exceptions Prefetch Abort"/>

+    <event event="0x5a" title="Scorpion" name="INDEX_CHECK" description="Interrupts and Exceptions Index Check"/>

+    <event event="0x5b" title="Scorpion" name="NULL_CHECK" description="Interrupts and Exceptions Null Check"/>

+    <event event="0x5c" title="Scorpion" name="EXPL_ICIALLU" description="I-cache and BTAC Invalidates Explicit ICIALLU"/>

+    <event event="0x5d" title="Scorpion" name="IMPL_ICIALLU" description="I-cache and BTAC Invalidates Implicit ICIALLU"/>

+    <event event="0x5e" title="Scorpion" name="NONICIALLU_BTAC_INV" description="I-cache and BTAC Invalidates Non-ICIALLU BTAC Invalidate"/>

+    <event event="0x5f" title="Scorpion" name="ICIMVAU_IMPL_ICIALLU" description="I-cache and BTAC Invalidates ICIMVAU-implied ICIALLU"/>

+    <event event="0x60" title="Scorpion" name="SPIPE_ONLY_CYCLES" description="Issue S-pipe only issue cycles"/>

+    <event event="0x61" title="Scorpion" name="XPIPE_ONLY_CYCLES" description="Issue X-pipe only issue cycles"/>

+    <event event="0x62" title="Scorpion" name="DUAL_CYCLES" description="Issue dual issue cycles"/>

+    <event event="0x63" title="Scorpion" name="DISPATCH_ANY_CYCLES" description="Dispatch any dispatch cycles"/>

+    <event event="0x64" title="Scorpion" name="FIFO_FULLBLK_CMT" description="Commits Trace FIFO full Blk CMT"/>

+    <event event="0x65" title="Scorpion" name="FAIL_COND_INST" description="Conditional instructions failing conditional instrs (excluding branches)"/>

+    <event event="0x66" title="Scorpion" name="PASS_COND_INST" description="Conditional instructions passing conditional instrs (excluding branches)"/>

+    <event event="0x67" title="Scorpion" name="ALLOW_VU_CLK" description="Unit Clock Gating Allow VU Clks"/>

+    <event event="0x68" title="Scorpion" name="VU_IDLE" description="Unit Clock Gating VU Idle"/>

+    <event event="0x69" title="Scorpion" name="ALLOW_L2_CLK" description="Unit Clock Gating Allow L2 Clks"/>

+    <event event="0x6a" title="Scorpion" name="L2_IDLE" description="Unit Clock Gating L2 Idle"/>

+    <event event="0x6b" title="Scorpion" name="DTLB_IMPL_INV_SCTLR_DACR" description="DTLB implicit invalidates writes to SCTLR and DACR"/>

+    <event event="0x6c" title="Scorpion" name="DTLB_EXPL_INV" description="DTLB explicit invalidates"/>

+    <event event="0x6d" title="Scorpion" name="DTLB_MISS" description="DTLB misses"/>

+    <event event="0x6e" title="Scorpion" name="DTLB_ACCESS" description="DTLB accesses"/>

+    <event event="0x6f" title="Scorpion" name="ITLB_MISS" description="ITLB misses"/>

+    <event event="0x70" title="Scorpion" name="ITLB_IMPL_INV" description="ITLB implicit ITLB invalidates"/>

+    <event event="0x71" title="Scorpion" name="ITLB_EXPL_INV" description="ITLB explicit ITLB invalidates"/>

+    <event event="0x72" title="Scorpion" name="UTLB_D_MISS" description="UTLB d-side misses"/>

+    <event event="0x73" title="Scorpion" name="UTLB_D_ACCESS" description="UTLB d-side accesses"/>

+    <event event="0x74" title="Scorpion" name="UTLB_I_MISS" description="UTLB i-side misses"/>

+    <event event="0x75" title="Scorpion" name="UTLB_I_ACCESS" description="UTLB i-side accesses"/>

+    <event event="0x76" title="Scorpion" name="UTLB_INV_ASID" description="UTLB invalidate by ASID"/>

+    <event event="0x77" title="Scorpion" name="UTLB_INV_MVA" description="UTLB invalidate by MVA"/>

+    <event event="0x78" title="Scorpion" name="UTLB_INV_ALL" description="UTLB invalidate all"/>

+    <event event="0x79" title="Scorpion" name="S2_HOLD_RDQ_UNAVAIL" description="S2 hold RDQ unavail"/>

+    <event event="0x7a" title="Scorpion" name="S2_HOLD" description="S2 hold"/>

+    <event event="0x7b" title="Scorpion" name="S2_HOLD_DEV_OP" description="S2 hold device op"/>

+    <event event="0x7c" title="Scorpion" name="S2_HOLD_ORDER" description="S2 hold strongly ordered op"/>

+    <event event="0x7d" title="Scorpion" name="S2_HOLD_BARRIER" description="S2 hold barrier"/>

+    <event event="0x7e" title="Scorpion" name="VIU_DUAL_CYCLE" description="Scorpion VIU dual cycle"/>

+    <event event="0x7f" title="Scorpion" name="VIU_SINGLE_CYCLE" description="Scorpion VIU single cycle"/>

+    <event event="0x80" title="Scorpion" name="VX_PIPE_WAR_STALL_CYCLES" description="Scorpion VX pipe WAR cycles"/>

+    <event event="0x81" title="Scorpion" name="VX_PIPE_WAW_STALL_CYCLES" description="Scorpion VX pipe WAW cycles"/>

+    <event event="0x82" title="Scorpion" name="VX_PIPE_RAW_STALL_CYCLES" description="Scorpion VX pipe RAW cycles"/>

+    <event event="0x83" title="Scorpion" name="VX_PIPE_LOAD_USE_STALL" description="Scorpion VX pipe load use stall"/>

+    <event event="0x84" title="Scorpion" name="VS_PIPE_WAR_STALL_CYCLES" description="Scorpion VS pipe WAR stall cycles"/>

+    <event event="0x85" title="Scorpion" name="VS_PIPE_WAW_STALL_CYCLES" description="Scorpion VS pipe WAW stall cycles"/>

+    <event event="0x86" title="Scorpion" name="VS_PIPE_RAW_STALL_CYCLES" description="Scorpion VS pipe RAW stall cycles"/>

+    <event event="0x87" title="Scorpion" name="EXCEPTIONS_INV_OPERATION" description="Scorpion invalid operation exceptions"/>

+    <event event="0x88" title="Scorpion" name="EXCEPTIONS_DIV_BY_ZERO" description="Scorpion divide by zero exceptions"/>

+    <event event="0x89" title="Scorpion" name="COND_INST_FAIL_VX_PIPE" description="Scorpion conditional instruction fail VX pipe"/>

+    <event event="0x8a" title="Scorpion" name="COND_INST_FAIL_VS_PIPE" description="Scorpion conditional instruction fail VS pipe"/>

+    <event event="0x8b" title="Scorpion" name="EXCEPTIONS_OVERFLOW" description="Scorpion overflow exceptions"/>

+    <event event="0x8c" title="Scorpion" name="EXCEPTIONS_UNDERFLOW" description="Scorpion underflow exceptions"/>

+    <event event="0x8d" title="Scorpion" name="EXCEPTIONS_DENORM" description="Scorpion denorm exceptions"/>

+    <event event="0x8e" title="Scorpion" name="BANK_AB_HIT" description="L2 hit rates bank A/B hits"/>

+    <event event="0x8f" title="Scorpion" name="BANK_AB_ACCESS" description="L2 hit rates bank A/B accesses"/>

+    <event event="0x90" title="Scorpion" name="BANK_CD_HIT" description="L2 hit rates bank C/D hits"/>

+    <event event="0x91" title="Scorpion" name="BANK_CD_ACCESS" description="L2 hit rates bank C/D accesses"/>

+    <event event="0x92" title="Scorpion" name="BANK_AB_DSIDE_HIT" description="L2 hit rates bank A/B d-side hits"/>

+    <event event="0x93" title="Scorpion" name="BANK_AB_DSIDE_ACCESS" description="L2 hit rates bank A/B d-side accesses"/>

+    <event event="0x94" title="Scorpion" name="BANK_CD_DSIDE_HIT" description="L2 hit rates bank C/D d-side hits"/>

+    <event event="0x95" title="Scorpion" name="BANK_CD_DSIDE_ACCESS" description="L2 hit rates bank C/D d-side accesses"/>

+    <event event="0x96" title="Scorpion" name="BANK_AB_ISIDE_HIT" description="L2 hit rates bank A/B i-side hits"/>

+    <event event="0x97" title="Scorpion" name="BANK_AB_ISIDE_ACCESS" description="L2 hit rates bank A/B i-side accesses"/>

+    <event event="0x98" title="Scorpion" name="BANK_CD_ISIDE_HIT" description="L2 hit rates bank C/D i-side hits"/>

+    <event event="0x99" title="Scorpion" name="BANK_CD_ISIDE_ACCESS" description="L2 hit rates bank C/D i-side accesses"/>

+    <event event="0x9a" title="Scorpion" name="ISIDE_RD_WAIT" description="fills and castouts cycles that i-side RD requests wait on data from bus"/>

+    <event event="0x9b" title="Scorpion" name="DSIDE_RD_WAIT" description="fills and castouts cycles that d-side RD requests wait on data from bus"/>

+    <event event="0x9c" title="Scorpion" name="BANK_BYPASS_WRITE" description="fills and castouts bank bypass writes"/>

+    <event event="0x9d" title="Scorpion" name="BANK_AB_NON_CASTOUT" description="fills and castouts bank A/B non-castout writes to bus"/>

+    <event event="0x9e" title="Scorpion" name="BANK_AB_L2_CASTOUT" description="fills and castouts bank A/B L2 castouts (granules)"/>

+    <event event="0x9f" title="Scorpion" name="BANK_CD_NON_CASTOUT" description="fills and castouts bank C/D non-castout writes to bus"/>

+    <event event="0xa0" title="Scorpion" name="BANK_CD_L2_CASTOUT" description="fills and castouts bank C/D L2 castouts (granules)"/>

+  </category>

diff --git a/tools/gator/daemon/events-ScorpionMP.xml b/tools/gator/daemon/events-ScorpionMP.xml
new file mode 100644
index 00000000000..87f5657f796
--- /dev/null
+++ b/tools/gator/daemon/events-ScorpionMP.xml
@@ -0,0 +1,95 @@
+  <counter_set name="ScorpionMP_cntX">

+    <counter name="ScorpionMP_cnt0"/>

+    <counter name="ScorpionMP_cnt1"/>

+    <counter name="ScorpionMP_cnt2"/>

+    <counter name="ScorpionMP_cnt3"/>

+  </counter_set>

+  <category name="ScorpionMP" counter_set="ScorpionMP_cntX" per_cpu="yes">

+    <event counter="ScorpionMP_ccnt" title="Clock" name="Cycles" alias="ClockCycles" display="hertz" units="Hz" average_selection="yes" description="The number of core clock cycles"/>

+    <event event="0x00" title="Software" name="Increment" description="Incremented only on writes to the Software Increment Register"/>

+    <event event="0x01" title="Cache" name="Instruction refill" description="Instruction fetch that causes a refill of at least the level of instruction or unified cache closest to the processor"/>

+    <event event="0x02" title="Cache" name="Inst TLB refill" description="Instruction fetch that causes a TLB refill of at least the level of TLB closest to the processor"/>

+    <event event="0x03" title="Cache" name="Data refill" description="Memory Read or Write operation that causes a refill of at least the level of data or unified cache closest to the processor"/>

+    <event event="0x04" title="Cache" name="Data access" description="Memory Read or Write operation that causes a cache access to at least the level of data or unified cache closest to the processor"/>

+    <event event="0x05" title="Cache" name="Data TLB refill" description="Memory Read or Write operation that causes a TLB refill of at least the level of TLB closest to the processor"/>

+    <event event="0x06" title="Instruction" name="Memory read" alias="MemoryRead" description="Memory-reading instruction architecturally executed"/>

+    <event event="0x07" title="Instruction" name="Memory write" alias="MemoryWrite" description="Memory-writing instruction architecturally executed"/>

+    <event event="0x08" title="Instruction" name="Executed" alias="InstructionsExecuted" description="Instruction architecturally executed"/>

+    <event event="0x09" title="Exception" name="Taken" description="Exceptions taken"/>

+    <event event="0x0a" title="Exception" name="Return" description="Exception return architecturally executed"/>

+    <event event="0x0b" title="Instruction" name="CONTEXTIDR" description="Instruction that writes to the CONTEXTIDR architecturally executed"/>

+    <event event="0x0c" title="Program Counter" name="SW change" description="Software change of PC, except by an exception, architecturally executed"/>

+    <event event="0x0d" title="Branch" name="Immediate" description="Immediate branch architecturally executed"/>

+    <event event="0x0e" title="Branch" name="Procedure Return" description="Procedure return architecturally executed (not by exceptions)"/>

+    <event event="0x0f" title="Memory" name="Unaligned access" alias="UnalignedAccess" description="Unaligned access architecturally executed"/>

+    <event event="0x10" title="Branch" name="Mispredicted" alias="BranchMispredicted" description="Branch mispredicted or not predicted"/>

+    <event event="0x12" title="Branch" name="Potential prediction" alias="PotentialPrediction" description="Branch or other change in program flow that could have been predicted by the branch prediction resources of the processor"/>

+    <event event="0x4c" title="Scorpion" name="ICACHE_EXPL_INV" description="I-cache explicit invalidates"/>

+    <event event="0x4d" title="Scorpion" name="ICACHE_MISS" description="I-cache misses"/>

+    <event event="0x4e" title="Scorpion" name="ICACHE_ACCESS" description="I-cache accesses"/>

+    <event event="0x4f" title="Scorpion" name="ICACHE_CACHEREQ_L2" description="I-cache cacheable requests to L2"/>

+    <event event="0x50" title="Scorpion" name="ICACHE_NOCACHE_L2" description="I-cache non-cacheable requests to L2"/>

+    <event event="0x51" title="Scorpion" name="HIQUP_NOPED" description="Conditional instructions HIQUPs NOPed"/>

+    <event event="0x52" title="Scorpion" name="DATA_ABORT" description="Interrupts and Exceptions Data Abort"/>

+    <event event="0x53" title="Scorpion" name="IRQ" description="Interrupts and Exceptions IRQ"/>

+    <event event="0x54" title="Scorpion" name="FIQ" description="Interrupts and Exceptions FIQ"/>

+    <event event="0x55" title="Scorpion" name="ALL_EXCPT" description="Interrupts and Exceptions All interrupts"/>

+    <event event="0x56" title="Scorpion" name="UNDEF" description="Interrupts and Exceptions Undefined"/>

+    <event event="0x57" title="Scorpion" name="SVC" description="Interrupts and Exceptions SVC"/>

+    <event event="0x58" title="Scorpion" name="SMC" description="Interrupts and Exceptions SMC"/>

+    <event event="0x59" title="Scorpion" name="PREFETCH_ABORT" description="Interrupts and Exceptions Prefetch Abort"/>

+    <event event="0x5a" title="Scorpion" name="INDEX_CHECK" description="Interrupts and Exceptions Index Check"/>

+    <event event="0x5b" title="Scorpion" name="NULL_CHECK" description="Interrupts and Exceptions Null Check"/>

+    <event event="0x5c" title="Scorpion" name="EXPL_ICIALLU" description="I-cache and BTAC Invalidates Explicit ICIALLU"/>

+    <event event="0x5d" title="Scorpion" name="IMPL_ICIALLU" description="I-cache and BTAC Invalidates Implicit ICIALLU"/>

+    <event event="0x5e" title="Scorpion" name="NONICIALLU_BTAC_INV" description="I-cache and BTAC Invalidates Non-ICIALLU BTAC Invalidate"/>

+    <event event="0x5f" title="Scorpion" name="ICIMVAU_IMPL_ICIALLU" description="I-cache and BTAC Invalidates ICIMVAU-implied ICIALLU"/>

+    <event event="0x60" title="Scorpion" name="SPIPE_ONLY_CYCLES" description="Issue S-pipe only issue cycles"/>

+    <event event="0x61" title="Scorpion" name="XPIPE_ONLY_CYCLES" description="Issue X-pipe only issue cycles"/>

+    <event event="0x62" title="Scorpion" name="DUAL_CYCLES" description="Issue dual issue cycles"/>

+    <event event="0x63" title="Scorpion" name="DISPATCH_ANY_CYCLES" description="Dispatch any dispatch cycles"/>

+    <event event="0x64" title="Scorpion" name="FIFO_FULLBLK_CMT" description="Commits Trace FIFO full Blk CMT"/>

+    <event event="0x65" title="Scorpion" name="FAIL_COND_INST" description="Conditional instructions failing conditional instrs (excluding branches)"/>

+    <event event="0x66" title="Scorpion" name="PASS_COND_INST" description="Conditional instructions passing conditional instrs (excluding branches)"/>

+    <event event="0x67" title="Scorpion" name="ALLOW_VU_CLK" description="Unit Clock Gating Allow VU Clks"/>

+    <event event="0x68" title="Scorpion" name="VU_IDLE" description="Unit Clock Gating VU Idle"/>

+    <event event="0x69" title="Scorpion" name="ALLOW_L2_CLK" description="Unit Clock Gating Allow L2 Clks"/>

+    <event event="0x6a" title="Scorpion" name="L2_IDLE" description="Unit Clock Gating L2 Idle"/>

+    <event event="0x6b" title="Scorpion" name="DTLB_IMPL_INV_SCTLR_DACR" description="DTLB implicit invalidates writes to SCTLR and DACR"/>

+    <event event="0x6c" title="Scorpion" name="DTLB_EXPL_INV" description="DTLB explicit invalidates"/>

+    <event event="0x6d" title="Scorpion" name="DTLB_MISS" description="DTLB misses"/>

+    <event event="0x6e" title="Scorpion" name="DTLB_ACCESS" description="DTLB accesses"/>

+    <event event="0x6f" title="Scorpion" name="ITLB_MISS" description="ITLB misses"/>

+    <event event="0x70" title="Scorpion" name="ITLB_IMPL_INV" description="ITLB implicit ITLB invalidates"/>

+    <event event="0x71" title="Scorpion" name="ITLB_EXPL_INV" description="ITLB explicit ITLB invalidates"/>

+    <event event="0x72" title="Scorpion" name="UTLB_D_MISS" description="UTLB d-side misses"/>

+    <event event="0x73" title="Scorpion" name="UTLB_D_ACCESS" description="UTLB d-side accesses"/>

+    <event event="0x74" title="Scorpion" name="UTLB_I_MISS" description="UTLB i-side misses"/>

+    <event event="0x75" title="Scorpion" name="UTLB_I_ACCESS" description="UTLB i-side accesses"/>

+    <event event="0x76" title="Scorpion" name="UTLB_INV_ASID" description="UTLB invalidate by ASID"/>

+    <event event="0x77" title="Scorpion" name="UTLB_INV_MVA" description="UTLB invalidate by MVA"/>

+    <event event="0x78" title="Scorpion" name="UTLB_INV_ALL" description="UTLB invalidate all"/>

+    <event event="0x79" title="Scorpion" name="S2_HOLD_RDQ_UNAVAIL" description="S2 hold RDQ unavail"/>

+    <event event="0x7a" title="Scorpion" name="S2_HOLD" description="S2 hold"/>

+    <event event="0x7b" title="Scorpion" name="S2_HOLD_DEV_OP" description="S2 hold device op"/>

+    <event event="0x7c" title="Scorpion" name="S2_HOLD_ORDER" description="S2 hold strongly ordered op"/>

+    <event event="0x7d" title="Scorpion" name="S2_HOLD_BARRIER" description="S2 hold barrier"/>

+    <event event="0x7e" title="Scorpion" name="VIU_DUAL_CYCLE" description="Scorpion VIU dual cycle"/>

+    <event event="0x7f" title="Scorpion" name="VIU_SINGLE_CYCLE" description="Scorpion VIU single cycle"/>

+    <event event="0x80" title="Scorpion" name="VX_PIPE_WAR_STALL_CYCLES" description="Scorpion VX pipe WAR cycles"/>

+    <event event="0x81" title="Scorpion" name="VX_PIPE_WAW_STALL_CYCLES" description="Scorpion VX pipe WAW cycles"/>

+    <event event="0x82" title="Scorpion" name="VX_PIPE_RAW_STALL_CYCLES" description="Scorpion VX pipe RAW cycles"/>

+    <event event="0x83" title="Scorpion" name="VX_PIPE_LOAD_USE_STALL" description="Scorpion VX pipe load use stall"/>

+    <event event="0x84" title="Scorpion" name="VS_PIPE_WAR_STALL_CYCLES" description="Scorpion VS pipe WAR stall cycles"/>

+    <event event="0x85" title="Scorpion" name="VS_PIPE_WAW_STALL_CYCLES" description="Scorpion VS pipe WAW stall cycles"/>

+    <event event="0x86" title="Scorpion" name="VS_PIPE_RAW_STALL_CYCLES" description="Scorpion VS pipe RAW stall cycles"/>

+    <event event="0x87" title="Scorpion" name="EXCEPTIONS_INV_OPERATION" description="Scorpion invalid operation exceptions"/>

+    <event event="0x88" title="Scorpion" name="EXCEPTIONS_DIV_BY_ZERO" description="Scorpion divide by zero exceptions"/>

+    <event event="0x89" title="Scorpion" name="COND_INST_FAIL_VX_PIPE" description="Scorpion conditional instruction fail VX pipe"/>

+    <event event="0x8a" title="Scorpion" name="COND_INST_FAIL_VS_PIPE" description="Scorpion conditional instruction fail VS pipe"/>

+    <event event="0x8b" title="Scorpion" name="EXCEPTIONS_OVERFLOW" description="Scorpion overflow exceptions"/>

+    <event event="0x8c" title="Scorpion" name="EXCEPTIONS_UNDERFLOW" description="Scorpion underflow exceptions"/>

+    <event event="0x8d" title="Scorpion" name="EXCEPTIONS_DENORM" description="Scorpion denorm exceptions"/>

+    <event event="0x8e" title="ScorpionMP" name="NUM_BARRIERS" description="Barriers"/>

+    <event event="0x8f" title="ScorpionMP" name="BARRIER_CYCLES" description="Barrier cycles"/>

+  </category>  

diff --git a/tools/gator/daemon/events_footer.xml b/tools/gator/daemon/events_footer.xml
new file mode 100644
index 00000000000..cd2b44665ba
--- /dev/null
+++ b/tools/gator/daemon/events_footer.xml
@@ -0,0 +1 @@
+</events>
diff --git a/tools/gator/daemon/events_header.xml b/tools/gator/daemon/events_header.xml
new file mode 100644
index 00000000000..38ec4c03246
--- /dev/null
+++ b/tools/gator/daemon/events_header.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<events>
diff --git a/tools/gator/daemon/main.cpp b/tools/gator/daemon/main.cpp
new file mode 100644
index 00000000000..df6913b92cb
--- /dev/null
+++ b/tools/gator/daemon/main.cpp
@@ -0,0 +1,335 @@
+/**
+ * Copyright (C) ARM Limited 2010-2012. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <ctype.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <sys/prctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/mount.h>
+#include "Child.h"
+#include "SessionData.h"
+#include "OlySocket.h"
+#include "Logging.h"
+#include "OlyUtility.h"
+
+#define DEBUG false
+
+extern Child* child;
+extern void handleException();
+int shutdownFilesystem();
+static pthread_mutex_t numSessions_mutex;
+static int numSessions = 0;
+static OlySocket* socket = NULL;
+static bool driverRunningAtStart = false;
+static bool driverMountedAtStart = false;
+
+struct cmdline_t {
+	int port;
+	char* module;
+};
+
+void cleanUp() {
+	if (shutdownFilesystem() == -1) {
+		logg->logMessage("Error shutting down gator filesystem");
+	}
+	delete socket;
+	delete util;
+	delete logg;
+}
+
+// CTRL C Signal Handler
+void handler(int signum) {
+	logg->logMessage("Received signal %d, gator daemon exiting", signum);
+
+	// Case 1: both child and parent receive the signal
+	if (numSessions > 0) {
+		// Arbitrary sleep of 1 second to give time for the child to exit;
+		// if something bad happens, continue the shutdown process regardless
+		sleep(1);
+	}
+
+	// Case 2: only the parent received the signal
+	if (numSessions > 0) {
+		// Kill child threads - the first signal exits gracefully
+		logg->logMessage("Killing process group as %d child was running when signal was received", numSessions);
+		kill(0, SIGINT);
+
+		// Give time for the child to exit
+		sleep(1);
+
+		if (numSessions > 0) {
+			// The second signal force kills the child
+			logg->logMessage("Force kill the child");
+			kill(0, SIGINT);
+			// Again, sleep for 1 second
+			sleep(1);
+
+			if (numSessions > 0) {
+				// Something bad has really happened; the child is not exiting and therefore may hold the /dev/gator resource open
+				printf("Unable to kill the gatord child process, thus gator.ko may still be loaded.\n");
+			}
+		}
+	}
+
+	cleanUp();
+	exit(0);
+}
+
+// Child exit Signal Handler
+void child_exit(int signum) {
+	int status;
+	int pid = wait(&status);
+	if (pid != -1) {
+		pthread_mutex_lock(&numSessions_mutex);
+		numSessions--;
+		pthread_mutex_unlock(&numSessions_mutex);
+		logg->logMessage("Child process %d exited with status %d", pid, status);
+	}
+}
+
+// retval: -1 = failure; 0 = was already mounted; 1 = successfully mounted
+int mountGatorFS() {
+	// If already mounted,
+	if (access("/dev/gator/buffer", F_OK) == 0) {
+		return 0;
+	}
+
+	// else, mount the filesystem
+	mkdir("/dev/gator", S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
+	if (mount("nodev", "/dev/gator", "gatorfs", 0, NULL) != 0) {
+		return -1;
+	} else {
+		return 1;
+	}
+}
+
+int setupFilesystem(char* module) {
+	int retval;
+
+	// Verify root permissions
+	uid_t euid = geteuid();
+	if (euid) {
+		logg->logError(__FILE__, __LINE__, "gatord must be launched with root privileges");
+		handleException();
+	}
+
+	if (module) {
+		// unmount and rmmod if the module was specified on the commandline, i.e. ensure that the specified module is indeed running
+		shutdownFilesystem();
+
+		// if still mounted
+		if (access("/dev/gator/buffer", F_OK) == 0) {
+			logg->logError(__FILE__, __LINE__, "Unable to remove the running gator.ko. Manually remove the module or use the running module by not specifying one on the commandline");
+			handleException();
+		}
+	}
+
+	retval = mountGatorFS();
+	if (retval == 1) {
+		logg->logMessage("Driver already running at startup");
+		driverRunningAtStart = true;
+	} else if (retval == 0) {
+		logg->logMessage("Driver already mounted at startup");
+		driverRunningAtStart = driverMountedAtStart = true;
+	} else {
+		char command[256]; // arbitrarily large amount
+		char location[256]; // arbitrarily large amount
+
+		if (module) {
+			strncpy(location, module, sizeof(location));
+		} else {
+			// Is the driver co-located in the same directory?
+			if (util->getApplicationFullPath(location, sizeof(location)) != 0) { // allow some buffer space
+				logg->logMessage("Unable to determine the full path of gatord, the cwd will be used");
+			}
+			strncat(location, "gator.ko", sizeof(location) - strlen(location) - 1);
+		}
+
+		if (access(location, F_OK) == -1) {
+			logg->logError(__FILE__, __LINE__, "Unable to locate gator.ko driver:\n  >>> gator.ko should be co-located with gatord in the same directory\n  >>> OR insmod gator.ko prior to launching gatord\n  >>> OR specify the location of gator.ko on the command line");
+			handleException();
+		}
+
+		// Load driver
+		snprintf(command, sizeof(command), "insmod %s >/dev/null 2>&1", location);
+		if (system(command) != 0) {
+			logg->logMessage("Unable to load gator.ko driver with command: %s", command);
+			logg->logError(__FILE__, __LINE__, "Unable to load (insmod) gator.ko driver:\n  >>> gator.ko must be built against the current kernel version & configuration\n  >>> See dmesg for more details");
+			handleException();
+		}
+
+		if (mountGatorFS() == -1) {
+			logg->logError(__FILE__, __LINE__, "Unable to mount the gator filesystem needed for profiling.");
+			handleException();
+		}
+	}
+
+	return 0;
+}
+
+int shutdownFilesystem() {
+	if (driverMountedAtStart == false) {
+		umount("/dev/gator");
+	}
+	if (driverRunningAtStart == false) {
+		if (system("rmmod gator >/dev/null 2>&1") != 0) {
+			return -1;
+		}
+	}
+
+	return 0; // success
+}
+
+struct cmdline_t parseCommandLine(int argc, char** argv) {
+	struct cmdline_t cmdline;
+	cmdline.port = 8080;
+	cmdline.module = NULL;
+	int c;
+
+	while ((c = getopt(argc, argv, "hvp:s:c:e:m:")) != -1) {
+		switch(c) {
+			case 'c':
+				gSessionData->mConfigurationXMLPath = optarg;
+				break;
+			case 'e':
+				gSessionData->mEventsXMLPath = optarg;
+				break;
+			case 'm':
+				cmdline.module = optarg;
+				break;
+			case 'p':
+				cmdline.port = strtol(optarg, NULL, 10);
+				break;
+			case 's':
+				gSessionData->mSessionXMLPath = optarg;
+				break;
+			case 'h':
+			case '?':
+				logg->logError(__FILE__, __LINE__,
+					"Streamline gatord version %d. All parameters are optional:\n"
+					"-c config_xml\tpath and filename of the configuration.xml to use\n"
+					"-e events_xml\tpath and filename of the events.xml to use\n"
+					"-h\t\tthis help page\n"
+					"-m module\tpath and filename of gator.ko\n"
+					"-p port_number\tport upon which the server listens; default is 8080\n"
+					"-s session_xml\tpath and filename of a session xml used for local capture\n"
+					"-v\t\tversion information\n"
+					, PROTOCOL_VERSION);
+				handleException();
+				break;
+			case 'v':
+				logg->logError(__FILE__, __LINE__, "Streamline gatord version %d", PROTOCOL_VERSION);
+				handleException();
+				break;
+		}
+	}
+
+	// Error checking
+	if (cmdline.port != 8080 && gSessionData->mSessionXMLPath != NULL) {
+		logg->logError(__FILE__, __LINE__, "Only a port or a session xml can be specified, not both");
+		handleException();
+	}
+
+	if (optind < argc) {
+		logg->logError(__FILE__, __LINE__, "Unknown argument: %s. Use '-h' for help.", argv[optind]);
+		handleException();
+	}
+
+	return cmdline;
+}
+
+// Gator data flow: collector -> collector fifo -> sender
+int main(int argc, char** argv, char* envp[]) {
+	gSessionData = new SessionData(); // Global data class
+	logg = new Logging(DEBUG);  // Set up global thread-safe logging
+	util = new OlyUtility();	// Set up global utility class
+
+	prctl(PR_SET_NAME, (unsigned int)&"gatord-main", 0, 0, 0);
+	pthread_mutex_init(&numSessions_mutex, NULL);
+
+	signal(SIGINT, handler);
+	signal(SIGTERM, handler);
+	signal(SIGABRT, handler);
+
+	// Set to high priority
+	if (setpriority(PRIO_PROCESS, syscall(__NR_gettid), -19) == -1) {
+		logg->logMessage("setpriority() failed");
+	}
+
+	// Initialize session data
+	gSessionData->initialize();
+
+	// Parse the command line parameters
+	struct cmdline_t cmdline = parseCommandLine(argc, argv);
+
+	// Call before setting up the SIGCHLD handler, as system() spawns child processes
+	setupFilesystem(cmdline.module);
+
+	// Handle child exit codes
+	signal(SIGCHLD, child_exit);
+
+	// Ignore the SIGPIPE signal so that any send to a broken socket will return an error code instead of asserting a signal
+	// Handling the error at the send function call is much easier than trying to do anything intelligent in the sig handler
+	signal(SIGPIPE, SIG_IGN);
+
+	// If the command line argument is a session xml file, no need to open a socket
+	if (gSessionData->mSessionXMLPath) {
+		child = new Child();
+		child->run();
+		delete child;
+	} else {
+		socket = new OlySocket(cmdline.port, true);
+		// Forever loop, can be exited via a signal or exception
+		while (1) {
+			logg->logMessage("Waiting on connection...");
+			socket->acceptConnection();
+
+			int pid = fork();
+			if (pid < 0) {
+				// Error
+				logg->logError(__FILE__, __LINE__, "Fork process failed. Please power cycle the target device if this error persists.");
+			} else if (pid == 0) {
+				// Child
+				socket->closeServerSocket();
+				child = new Child(socket, numSessions + 1);
+				child->run();
+				delete child;
+				exit(0);
+			} else {
+				// Parent
+				socket->closeSocket();
+
+				pthread_mutex_lock(&numSessions_mutex);
+				numSessions++;
+				pthread_mutex_unlock(&numSessions_mutex);
+
+				// Maximum number of connections is 2
+				int wait = 0;
+				while (numSessions > 1) {
+					// Throttle until one of the children exits before continuing to accept another socket connection
+					logg->logMessage("%d sessions active!", numSessions);
+					if (wait++ >= 10) { // Wait no more than 10 seconds
+						// Kill last created child
+						kill(pid, SIGALRM);
+						break;
+					}
+					sleep(1);
+				}
+			}
+		}
+	}
+
+	cleanUp();
+	return 0;
+}
diff --git a/tools/gator/daemon/mxml/COPYING b/tools/gator/daemon/mxml/COPYING
new file mode 100644
index 00000000000..4d0aa78af22
--- /dev/null
+++ b/tools/gator/daemon/mxml/COPYING
@@ -0,0 +1,507 @@
+			   Mini-XML License
+			  September 18, 2010
+
+
+The Mini-XML library and included programs are provided under the
+terms of the GNU Library General Public License version 2 (LGPL2)
+with the following exceptions:
+
+  1. Static linking of applications to the Mini-XML library
+does not constitute a derivative work and does not require
+the author to provide source code for the application, use
+the shared Mini-XML libraries, or link their applications
+against a user-supplied version of Mini-XML.
+
+If you link the application to a modified version of
+Mini-XML, then the changes to Mini-XML must be provided
+under the terms of the LGPL2 in sections 1, 2, and 4.
+
+  2. You do not have to provide a copy of the Mini-XML license
+with programs that are linked to the Mini-XML library, nor
+do you have to identify the Mini-XML license in your
+program or documentation as required by section 6 of the
+LGPL2.
+
+
+		  GNU LIBRARY GENERAL PUBLIC LICENSE
+			 Version 2, June 1991
+
+	  Copyright (C) 1991 Free Software Foundation, Inc.
+       59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
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+
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+   numbered 2 because it goes with version 2 of the ordinary GPL.]
+
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+CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE
+LIBRARY (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
+RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
+FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
+SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+DAMAGES.
+
+		     END OF TERMS AND CONDITIONS
+
+     Appendix: How to Apply These Terms to Your New Libraries
+
+  If you develop a new library, and you want it to be of the greatest
+possible use to the public, we recommend making it free software that
+everyone can redistribute and change.  You can do so by permitting
+redistribution under these terms (or, alternatively, under the terms of the
+ordinary General Public License).
+
+  To apply these terms, attach the following notices to the library.  It is
+safest to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least the
+"copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the library's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public
+    License along with this library; if not, write to the Free
+    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the library, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the
+  library `Frob' (a library for tweaking knobs) written by James Random Hacker.
+
+  <signature of Ty Coon>, 1 April 1990
+  Ty Coon, President of Vice
+
+That's all there is to it!
diff --git a/tools/gator/daemon/mxml/config.h b/tools/gator/daemon/mxml/config.h
new file mode 100644
index 00000000000..1f59ba34a47
--- /dev/null
+++ b/tools/gator/daemon/mxml/config.h
@@ -0,0 +1,96 @@
+/* config.h.  Generated from config.h.in by configure.  */
+/*
+ * "$Id: config.h.in 408 2010-09-19 05:26:46Z mike $"
+ *
+ * Configuration file for Mini-XML, a small XML-like file parsing library.
+ *
+ * Copyright 2003-2010 by Michael R Sweet.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Michael R Sweet and are protected by Federal copyright
+ * law.  Distribution and use rights are outlined in the file "COPYING"
+ * which should have been included with this file.  If this file is
+ * missing or damaged, see the license at:
+ *
+ *     http://www.minixml.org/
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <ctype.h>
+
+
+/*
+ * Version number...
+ */
+
+#define MXML_VERSION "Mini-XML v2.7"
+
+
+/*
+ * Inline function support...
+ */
+
+#define inline
+
+
+/*
+ * Long long support...
+ */
+
+#define HAVE_LONG_LONG 1
+
+
+/*
+ * Do we have the snprintf() and vsnprintf() functions?
+ */
+
+#define HAVE_SNPRINTF 1
+#define HAVE_VSNPRINTF 1
+
+
+/*
+ * Do we have the strXXX() functions?
+ */
+
+#define HAVE_STRDUP 1
+
+
+/*
+ * Do we have threading support?
+ */
+
+#define HAVE_PTHREAD_H 1
+
+
+/*
+ * Define prototypes for string functions as needed...
+ */
+
+#  ifndef HAVE_STRDUP
+extern char	*_mxml_strdup(const char *);
+#    define strdup _mxml_strdup
+#  endif /* !HAVE_STRDUP */
+
+extern char	*_mxml_strdupf(const char *, ...);
+extern char	*_mxml_vstrdupf(const char *, va_list);
+
+#  ifndef HAVE_SNPRINTF
+extern int	_mxml_snprintf(char *, size_t, const char *, ...);
+#    define snprintf _mxml_snprintf
+#  endif /* !HAVE_SNPRINTF */
+
+#  ifndef HAVE_VSNPRINTF
+extern int	_mxml_vsnprintf(char *, size_t, const char *, va_list);
+#    define vsnprintf _mxml_vsnprintf
+#  endif /* !HAVE_VSNPRINTF */
+
+/*
+ * End of "$Id: config.h.in 408 2010-09-19 05:26:46Z mike $".
+ */
diff --git a/tools/gator/daemon/mxml/mxml-attr.c b/tools/gator/daemon/mxml/mxml-attr.c
new file mode 100644
index 00000000000..c9950f5fb73
--- /dev/null
+++ b/tools/gator/daemon/mxml/mxml-attr.c
@@ -0,0 +1,319 @@
+/*
+ * "$Id: mxml-attr.c 408 2010-09-19 05:26:46Z mike $"
+ *
+ * Attribute support code for Mini-XML, a small XML-like file parsing library.
+ *
+ * Copyright 2003-2010 by Michael R Sweet.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Michael R Sweet and are protected by Federal copyright
+ * law.  Distribution and use rights are outlined in the file "COPYING"
+ * which should have been included with this file.  If this file is
+ * missing or damaged, see the license at:
+ *
+ *     http://www.minixml.org/
+ *
+ * Contents:
+ *
+ *   mxmlElementDeleteAttr() - Delete an attribute.
+ *   mxmlElementGetAttr()    - Get an attribute.
+ *   mxmlElementSetAttr()    - Set an attribute.
+ *   mxmlElementSetAttrf()   - Set an attribute with a formatted value.
+ *   mxml_set_attr()         - Set or add an attribute name/value pair.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "config.h"
+#include "mxml.h"
+
+
+/*
+ * Local functions...
+ */
+
+static int	mxml_set_attr(mxml_node_t *node, const char *name,
+		              char *value);
+
+
+/*
+ * 'mxmlElementDeleteAttr()' - Delete an attribute.
+ *
+ * @since Mini-XML 2.4@
+ */
+
+void
+mxmlElementDeleteAttr(mxml_node_t *node,/* I - Element */
+                      const char  *name)/* I - Attribute name */
+{
+  int		i;			/* Looping var */
+  mxml_attr_t	*attr;			/* Cirrent attribute */
+
+
+#ifdef DEBUG
+  fprintf(stderr, "mxmlElementDeleteAttr(node=%p, name=\"%s\")\n",
+          node, name ? name : "(null)");
+#endif /* DEBUG */
+
+ /*
+  * Range check input...
+  */
+
+  if (!node || node->type != MXML_ELEMENT || !name)
+    return;
+
+ /*
+  * Look for the attribute...
+  */
+
+  for (i = node->value.element.num_attrs, attr = node->value.element.attrs;
+       i > 0;
+       i --, attr ++)
+  {
+#ifdef DEBUG
+    printf("    %s=\"%s\"\n", attr->name, attr->value);
+#endif /* DEBUG */
+
+    if (!strcmp(attr->name, name))
+    {
+     /*
+      * Delete this attribute...
+      */
+
+      free(attr->name);
+      free(attr->value);
+
+      i --;
+      if (i > 0)
+        memmove(attr, attr + 1, i * sizeof(mxml_attr_t));
+
+      node->value.element.num_attrs --;
+      return;
+    }
+  }
+}
+
+
+/*
+ * 'mxmlElementGetAttr()' - Get an attribute.
+ *
+ * This function returns NULL if the node is not an element or the
+ * named attribute does not exist.
+ */
+
+const char *				/* O - Attribute value or NULL */
+mxmlElementGetAttr(mxml_node_t *node,	/* I - Element node */
+                   const char  *name)	/* I - Name of attribute */
+{
+  int		i;			/* Looping var */
+  mxml_attr_t	*attr;			/* Cirrent attribute */
+
+
+#ifdef DEBUG
+  fprintf(stderr, "mxmlElementGetAttr(node=%p, name=\"%s\")\n",
+          node, name ? name : "(null)");
+#endif /* DEBUG */
+
+ /*
+  * Range check input...
+  */
+
+  if (!node || node->type != MXML_ELEMENT || !name)
+    return (NULL);
+
+ /*
+  * Look for the attribute...
+  */
+
+  for (i = node->value.element.num_attrs, attr = node->value.element.attrs;
+       i > 0;
+       i --, attr ++)
+  {
+#ifdef DEBUG
+    printf("    %s=\"%s\"\n", attr->name, attr->value);
+#endif /* DEBUG */
+
+    if (!strcmp(attr->name, name))
+    {
+#ifdef DEBUG
+      printf("    Returning \"%s\"!\n", attr->value);
+#endif /* DEBUG */
+      return (attr->value);
+    }
+  }
+
+ /*
+  * Didn't find attribute, so return NULL...
+  */
+
+#ifdef DEBUG
+  puts("    Returning NULL!\n");
+#endif /* DEBUG */
+
+  return (NULL);
+}
+
+
+/*
+ * 'mxmlElementSetAttr()' - Set an attribute.
+ *
+ * If the named attribute already exists, the value of the attribute
+ * is replaced by the new string value. The string value is copied
+ * into the element node. This function does nothing if the node is
+ * not an element.
+ */
+
+void
+mxmlElementSetAttr(mxml_node_t *node,	/* I - Element node */
+                   const char  *name,	/* I - Name of attribute */
+                   const char  *value)	/* I - Attribute value */
+{
+  char	*valuec;			/* Copy of value */
+
+
+#ifdef DEBUG
+  fprintf(stderr, "mxmlElementSetAttr(node=%p, name=\"%s\", value=\"%s\")\n",
+          node, name ? name : "(null)", value ? value : "(null)");
+#endif /* DEBUG */
+
+ /*
+  * Range check input...
+  */
+
+  if (!node || node->type != MXML_ELEMENT || !name)
+    return;
+
+  if (value)
+    valuec = strdup(value);
+  else
+    valuec = NULL;
+
+  if (mxml_set_attr(node, name, valuec))
+    free(valuec);
+}
+
+
+/*
+ * 'mxmlElementSetAttrf()' - Set an attribute with a formatted value.
+ *
+ * If the named attribute already exists, the value of the attribute
+ * is replaced by the new formatted string. The formatted string value is
+ * copied into the element node. This function does nothing if the node
+ * is not an element.
+ *
+ * @since Mini-XML 2.3@
+ */
+
+void
+mxmlElementSetAttrf(mxml_node_t *node,	/* I - Element node */
+                    const char  *name,	/* I - Name of attribute */
+                    const char  *format,/* I - Printf-style attribute value */
+		    ...)		/* I - Additional arguments as needed */
+{
+  va_list	ap;			/* Argument pointer */
+  char		*value;			/* Value */
+
+
+#ifdef DEBUG
+  fprintf(stderr,
+          "mxmlElementSetAttrf(node=%p, name=\"%s\", format=\"%s\", ...)\n",
+          node, name ? name : "(null)", format ? format : "(null)");
+#endif /* DEBUG */
+
+ /*
+  * Range check input...
+  */
+
+  if (!node || node->type != MXML_ELEMENT || !name || !format)
+    return;
+
+ /*
+  * Format the value...
+  */
+
+  va_start(ap, format);
+  value = _mxml_vstrdupf(format, ap);
+  va_end(ap);
+
+  if (!value)
+    mxml_error("Unable to allocate memory for attribute '%s' in element %s!",
+               name, node->value.element.name);
+  else if (mxml_set_attr(node, name, value))
+    free(value);
+}
+
+
+/*
+ * 'mxml_set_attr()' - Set or add an attribute name/value pair.
+ */
+
+static int				/* O - 0 on success, -1 on failure */
+mxml_set_attr(mxml_node_t *node,	/* I - Element node */
+              const char  *name,	/* I - Attribute name */
+              char        *value)	/* I - Attribute value */
+{
+  int		i;			/* Looping var */
+  mxml_attr_t	*attr;			/* New attribute */
+
+
+ /*
+  * Look for the attribute...
+  */
+
+  for (i = node->value.element.num_attrs, attr = node->value.element.attrs;
+       i > 0;
+       i --, attr ++)
+    if (!strcmp(attr->name, name))
+    {
+     /*
+      * Free the old value as needed...
+      */
+
+      if (attr->value)
+        free(attr->value);
+
+      attr->value = value;
+
+      return (0);
+    }
+
+ /*
+  * Add a new attribute...
+  */
+
+  if (node->value.element.num_attrs == 0)
+    attr = malloc(sizeof(mxml_attr_t));
+  else
+    attr = realloc(node->value.element.attrs,
+                   (node->value.element.num_attrs + 1) * sizeof(mxml_attr_t));
+
+  if (!attr)
+  {
+    mxml_error("Unable to allocate memory for attribute '%s' in element %s!",
+               name, node->value.element.name);
+    return (-1);
+  }
+
+  node->value.element.attrs = attr;
+  attr += node->value.element.num_attrs;
+
+  if ((attr->name = strdup(name)) == NULL)
+  {
+    mxml_error("Unable to allocate memory for attribute '%s' in element %s!",
+               name, node->value.element.name);
+    return (-1);
+  }
+
+  attr->value = value;
+
+  node->value.element.num_attrs ++;
+
+  return (0);
+}
+
+
+/*
+ * End of "$Id: mxml-attr.c 408 2010-09-19 05:26:46Z mike $".
+ */
diff --git a/tools/gator/daemon/mxml/mxml-entity.c b/tools/gator/daemon/mxml/mxml-entity.c
new file mode 100644
index 00000000000..c5c9f61f73c
--- /dev/null
+++ b/tools/gator/daemon/mxml/mxml-entity.c
@@ -0,0 +1,460 @@
+/*
+ * "$Id: mxml-entity.c 408 2010-09-19 05:26:46Z mike $"
+ *
+ * Character entity support code for Mini-XML, a small XML-like
+ * file parsing library.
+ *
+ * Copyright 2003-2010 by Michael R Sweet.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Michael R Sweet and are protected by Federal copyright
+ * law.  Distribution and use rights are outlined in the file "COPYING"
+ * which should have been included with this file.  If this file is
+ * missing or damaged, see the license at:
+ *
+ *     http://www.minixml.org/
+ *
+ * Contents:
+ *
+ *   mxmlEntityAddCallback()    - Add a callback to convert entities to
+ *                                Unicode.
+ *   mxmlEntityGetName()        - Get the name that corresponds to the
+ *                                character value.
+ *   mxmlEntityGetValue()       - Get the character corresponding to a named
+ *                                entity.
+ *   mxmlEntityRemoveCallback() - Remove a callback.
+ *   _mxml_entity_cb()          - Lookup standard (X)HTML entities.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "mxml-private.h"
+
+
+/*
+ * 'mxmlEntityAddCallback()' - Add a callback to convert entities to Unicode.
+ */
+
+int					/* O - 0 on success, -1 on failure */
+mxmlEntityAddCallback(
+    mxml_entity_cb_t cb)		/* I - Callback function to add */
+{
+  _mxml_global_t *global = _mxml_global();
+					/* Global data */
+
+
+  if (global->num_entity_cbs < (int)(sizeof(global->entity_cbs) / sizeof(global->entity_cbs[0])))
+  {
+    global->entity_cbs[global->num_entity_cbs] = cb;
+    global->num_entity_cbs ++;
+
+    return (0);
+  }
+  else
+  {
+    mxml_error("Unable to add entity callback!");
+
+    return (-1);
+  }
+}
+
+
+/*
+ * 'mxmlEntityGetName()' - Get the name that corresponds to the character value.
+ *
+ * If val does not need to be represented by a named entity, NULL is returned.
+ */
+
+const char *				/* O - Entity name or NULL */
+mxmlEntityGetName(int val)		/* I - Character value */
+{
+  switch (val)
+  {
+    case '&' :
+        return ("amp");
+
+    case '<' :
+        return ("lt");
+
+    case '>' :
+        return ("gt");
+
+    case '\"' :
+        return ("quot");
+
+    default :
+        return (NULL);
+  }
+}
+
+
+/*
+ * 'mxmlEntityGetValue()' - Get the character corresponding to a named entity.
+ *
+ * The entity name can also be a numeric constant. -1 is returned if the
+ * name is not known.
+ */
+
+int					/* O - Character value or -1 on error */
+mxmlEntityGetValue(const char *name)	/* I - Entity name */
+{
+  int		i;			/* Looping var */
+  int		ch;			/* Character value */
+  _mxml_global_t *global = _mxml_global();
+					/* Global data */
+
+
+  for (i = 0; i < global->num_entity_cbs; i ++)
+    if ((ch = (global->entity_cbs[i])(name)) >= 0)
+      return (ch);
+
+  return (-1);
+}
+
+
+/*
+ * 'mxmlEntityRemoveCallback()' - Remove a callback.
+ */
+
+void
+mxmlEntityRemoveCallback(
+    mxml_entity_cb_t cb)		/* I - Callback function to remove */
+{
+  int		i;			/* Looping var */
+  _mxml_global_t *global = _mxml_global();
+					/* Global data */
+
+
+  for (i = 0; i < global->num_entity_cbs; i ++)
+    if (cb == global->entity_cbs[i])
+    {
+     /*
+      * Remove the callback...
+      */
+
+      global->num_entity_cbs --;
+
+      if (i < global->num_entity_cbs)
+        memmove(global->entity_cbs + i, global->entity_cbs + i + 1,
+	        (global->num_entity_cbs - i) * sizeof(global->entity_cbs[0]));
+
+      return;
+    }
+}
+
+
+/*
+ * '_mxml_entity_cb()' - Lookup standard (X)HTML entities.
+ */
+
+int					/* O - Unicode value or -1 */
+_mxml_entity_cb(const char *name)	/* I - Entity name */
+{
+  int	diff,				/* Difference between names */
+	current,			/* Current entity in search */
+	first,				/* First entity in search */
+	last;				/* Last entity in search */
+  static const struct
+  {
+    const char	*name;			/* Entity name */
+    int		val;			/* Character value */
+  }	entities[] =
+  {
+    { "AElig",		198 },
+    { "Aacute",		193 },
+    { "Acirc",		194 },
+    { "Agrave",		192 },
+    { "Alpha",		913 },
+    { "Aring",		197 },
+    { "Atilde",		195 },
+    { "Auml",		196 },
+    { "Beta",		914 },
+    { "Ccedil",		199 },
+    { "Chi",		935 },
+    { "Dagger",		8225 },
+    { "Delta",		916 },
+    { "Dstrok",		208 },
+    { "ETH",		208 },
+    { "Eacute",		201 },
+    { "Ecirc",		202 },
+    { "Egrave",		200 },
+    { "Epsilon",	917 },
+    { "Eta",		919 },
+    { "Euml",		203 },
+    { "Gamma",		915 },
+    { "Iacute",		205 },
+    { "Icirc",		206 },
+    { "Igrave",		204 },
+    { "Iota",		921 },
+    { "Iuml",		207 },
+    { "Kappa",		922 },
+    { "Lambda",		923 },
+    { "Mu",		924 },
+    { "Ntilde",		209 },
+    { "Nu",		925 },
+    { "OElig",		338 },
+    { "Oacute",		211 },
+    { "Ocirc",		212 },
+    { "Ograve",		210 },
+    { "Omega",		937 },
+    { "Omicron",	927 },
+    { "Oslash",		216 },
+    { "Otilde",		213 },
+    { "Ouml",		214 },
+    { "Phi",		934 },
+    { "Pi",		928 },
+    { "Prime",		8243 },
+    { "Psi",		936 },
+    { "Rho",		929 },
+    { "Scaron",		352 },
+    { "Sigma",		931 },
+    { "THORN",		222 },
+    { "Tau",		932 },
+    { "Theta",		920 },
+    { "Uacute",		218 },
+    { "Ucirc",		219 },
+    { "Ugrave",		217 },
+    { "Upsilon",	933 },
+    { "Uuml",		220 },
+    { "Xi",		926 },
+    { "Yacute",		221 },
+    { "Yuml",		376 },
+    { "Zeta",		918 },
+    { "aacute",		225 },
+    { "acirc",		226 },
+    { "acute",		180 },
+    { "aelig",		230 },
+    { "agrave",		224 },
+    { "alefsym",	8501 },
+    { "alpha",		945 },
+    { "amp",		'&' },
+    { "and",		8743 },
+    { "ang",		8736 },
+    { "apos",           '\'' },
+    { "aring",		229 },
+    { "asymp",		8776 },
+    { "atilde",		227 },
+    { "auml",		228 },
+    { "bdquo",		8222 },
+    { "beta",		946 },
+    { "brkbar",		166 },
+    { "brvbar",		166 },
+    { "bull",		8226 },
+    { "cap",		8745 },
+    { "ccedil",		231 },
+    { "cedil",		184 },
+    { "cent",		162 },
+    { "chi",		967 },
+    { "circ",		710 },
+    { "clubs",		9827 },
+    { "cong",		8773 },
+    { "copy",		169 },
+    { "crarr",		8629 },
+    { "cup",		8746 },
+    { "curren",		164 },
+    { "dArr",		8659 },
+    { "dagger",		8224 },
+    { "darr",		8595 },
+    { "deg",		176 },
+    { "delta",		948 },
+    { "diams",		9830 },
+    { "die",		168 },
+    { "divide",		247 },
+    { "eacute",		233 },
+    { "ecirc",		234 },
+    { "egrave",		232 },
+    { "empty",		8709 },
+    { "emsp",		8195 },
+    { "ensp",		8194 },
+    { "epsilon",	949 },
+    { "equiv",		8801 },
+    { "eta",		951 },
+    { "eth",		240 },
+    { "euml",		235 },
+    { "euro",		8364 },
+    { "exist",		8707 },
+    { "fnof",		402 },
+    { "forall",		8704 },
+    { "frac12",		189 },
+    { "frac14",		188 },
+    { "frac34",		190 },
+    { "frasl",		8260 },
+    { "gamma",		947 },
+    { "ge",		8805 },
+    { "gt",		'>' },
+    { "hArr",		8660 },
+    { "harr",		8596 },
+    { "hearts",		9829 },
+    { "hellip",		8230 },
+    { "hibar",		175 },
+    { "iacute",		237 },
+    { "icirc",		238 },
+    { "iexcl",		161 },
+    { "igrave",		236 },
+    { "image",		8465 },
+    { "infin",		8734 },
+    { "int",		8747 },
+    { "iota",		953 },
+    { "iquest",		191 },
+    { "isin",		8712 },
+    { "iuml",		239 },
+    { "kappa",		954 },
+    { "lArr",		8656 },
+    { "lambda",		955 },
+    { "lang",		9001 },
+    { "laquo",		171 },
+    { "larr",		8592 },
+    { "lceil",		8968 },
+    { "ldquo",		8220 },
+    { "le",		8804 },
+    { "lfloor",		8970 },
+    { "lowast",		8727 },
+    { "loz",		9674 },
+    { "lrm",		8206 },
+    { "lsaquo",		8249 },
+    { "lsquo",		8216 },
+    { "lt",		'<' },
+    { "macr",		175 },
+    { "mdash",		8212 },
+    { "micro",		181 },
+    { "middot",		183 },
+    { "minus",		8722 },
+    { "mu",		956 },
+    { "nabla",		8711 },
+    { "nbsp",		160 },
+    { "ndash",		8211 },
+    { "ne",		8800 },
+    { "ni",		8715 },
+    { "not",		172 },
+    { "notin",		8713 },
+    { "nsub",		8836 },
+    { "ntilde",		241 },
+    { "nu",		957 },
+    { "oacute",		243 },
+    { "ocirc",		244 },
+    { "oelig",		339 },
+    { "ograve",		242 },
+    { "oline",		8254 },
+    { "omega",		969 },
+    { "omicron",	959 },
+    { "oplus",		8853 },
+    { "or",		8744 },
+    { "ordf",		170 },
+    { "ordm",		186 },
+    { "oslash",		248 },
+    { "otilde",		245 },
+    { "otimes",		8855 },
+    { "ouml",		246 },
+    { "para",		182 },
+    { "part",		8706 },
+    { "permil",		8240 },
+    { "perp",		8869 },
+    { "phi",		966 },
+    { "pi",		960 },
+    { "piv",		982 },
+    { "plusmn",		177 },
+    { "pound",		163 },
+    { "prime",		8242 },
+    { "prod",		8719 },
+    { "prop",		8733 },
+    { "psi",		968 },
+    { "quot",		'\"' },
+    { "rArr",		8658 },
+    { "radic",		8730 },
+    { "rang",		9002 },
+    { "raquo",		187 },
+    { "rarr",		8594 },
+    { "rceil",		8969 },
+    { "rdquo",		8221 },
+    { "real",		8476 },
+    { "reg",		174 },
+    { "rfloor",		8971 },
+    { "rho",		961 },
+    { "rlm",		8207 },
+    { "rsaquo",		8250 },
+    { "rsquo",		8217 },
+    { "sbquo",		8218 },
+    { "scaron",		353 },
+    { "sdot",		8901 },
+    { "sect",		167 },
+    { "shy",		173 },
+    { "sigma",		963 },
+    { "sigmaf",		962 },
+    { "sim",		8764 },
+    { "spades",		9824 },
+    { "sub",		8834 },
+    { "sube",		8838 },
+    { "sum",		8721 },
+    { "sup",		8835 },
+    { "sup1",		185 },
+    { "sup2",		178 },
+    { "sup3",		179 },
+    { "supe",		8839 },
+    { "szlig",		223 },
+    { "tau",		964 },
+    { "there4",		8756 },
+    { "theta",		952 },
+    { "thetasym",	977 },
+    { "thinsp",		8201 },
+    { "thorn",		254 },
+    { "tilde",		732 },
+    { "times",		215 },
+    { "trade",		8482 },
+    { "uArr",		8657 },
+    { "uacute",		250 },
+    { "uarr",		8593 },
+    { "ucirc",		251 },
+    { "ugrave",		249 },
+    { "uml",		168 },
+    { "upsih",		978 },
+    { "upsilon",	965 },
+    { "uuml",		252 },
+    { "weierp",		8472 },
+    { "xi",		958 },
+    { "yacute",		253 },
+    { "yen",		165 },
+    { "yuml",		255 },
+    { "zeta",		950 },
+    { "zwj",		8205 },
+    { "zwnj",		8204 }
+  };
+
+
+ /*
+  * Do a binary search for the named entity...
+  */
+
+  first = 0;
+  last  = (int)(sizeof(entities) / sizeof(entities[0]) - 1);
+
+  while ((last - first) > 1)
+  {
+    current = (first + last) / 2;
+
+    if ((diff = strcmp(name, entities[current].name)) == 0)
+      return (entities[current].val);
+    else if (diff < 0)
+      last = current;
+    else
+      first = current;
+  }
+
+ /*
+  * If we get here, there is a small chance that there is still
+  * a match; check first and last...
+  */
+
+  if (!strcmp(name, entities[first].name))
+    return (entities[first].val);
+  else if (!strcmp(name, entities[last].name))
+    return (entities[last].val);
+  else
+    return (-1);
+}
+
+
+/*
+ * End of "$Id: mxml-entity.c 408 2010-09-19 05:26:46Z mike $".
+ */
diff --git a/tools/gator/daemon/mxml/mxml-file.c b/tools/gator/daemon/mxml/mxml-file.c
new file mode 100644
index 00000000000..992704037b0
--- /dev/null
+++ b/tools/gator/daemon/mxml/mxml-file.c
@@ -0,0 +1,3080 @@
+/*
+ * "$Id: mxml-file.c 438 2011-03-24 05:47:51Z mike $"
+ *
+ * File loading code for Mini-XML, a small XML-like file parsing library.
+ *
+ * Copyright 2003-2011 by Michael R Sweet.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Michael R Sweet and are protected by Federal copyright
+ * law.  Distribution and use rights are outlined in the file "COPYING"
+ * which should have been included with this file.  If this file is
+ * missing or damaged, see the license at:
+ *
+ *     http://www.minixml.org/
+ *
+ * Contents:
+ *
+ *   mxmlLoadFd()            - Load a file descriptor into an XML node tree.
+ *   mxmlLoadFile()          - Load a file into an XML node tree.
+ *   mxmlLoadString()        - Load a string into an XML node tree.
+ *   mxmlSaveAllocString()   - Save an XML tree to an allocated string.
+ *   mxmlSaveFd()            - Save an XML tree to a file descriptor.
+ *   mxmlSaveFile()          - Save an XML tree to a file.
+ *   mxmlSaveString()        - Save an XML node tree to a string.
+ *   mxmlSAXLoadFd()         - Load a file descriptor into an XML node tree
+ *                             using a SAX callback.
+ *   mxmlSAXLoadFile()       - Load a file into an XML node tree
+ *                             using a SAX callback.
+ *   mxmlSAXLoadString()     - Load a string into an XML node tree
+ *                             using a SAX callback.
+ *   mxmlSetCustomHandlers() - Set the handling functions for custom data.
+ *   mxmlSetErrorCallback()  - Set the error message callback.
+ *   mxmlSetWrapMargin()     - Set the wrap margin when saving XML data.
+ *   mxml_add_char()         - Add a character to a buffer, expanding as needed.
+ *   mxml_fd_getc()          - Read a character from a file descriptor.
+ *   mxml_fd_putc()          - Write a character to a file descriptor.
+ *   mxml_fd_read()          - Read a buffer of data from a file descriptor.
+ *   mxml_fd_write()         - Write a buffer of data to a file descriptor.
+ *   mxml_file_getc()        - Get a character from a file.
+ *   mxml_file_putc()        - Write a character to a file.
+ *   mxml_get_entity()       - Get the character corresponding to an entity...
+ *   mxml_load_data()        - Load data into an XML node tree.
+ *   mxml_parse_element()    - Parse an element for any attributes...
+ *   mxml_string_getc()      - Get a character from a string.
+ *   mxml_string_putc()      - Write a character to a string.
+ *   mxml_write_name()       - Write a name string.
+ *   mxml_write_node()       - Save an XML node to a file.
+ *   mxml_write_string()     - Write a string, escaping & and < as needed.
+ *   mxml_write_ws()         - Do whitespace callback...
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#ifndef WIN32
+#  include <unistd.h>
+#endif /* !WIN32 */
+#include "mxml-private.h"
+
+
+/*
+ * Character encoding...
+ */
+
+#define ENCODE_UTF8	0		/* UTF-8 */
+#define ENCODE_UTF16BE	1		/* UTF-16 Big-Endian */
+#define ENCODE_UTF16LE	2		/* UTF-16 Little-Endian */
+
+
+/*
+ * Macro to test for a bad XML character...
+ */
+
+#define mxml_bad_char(ch) ((ch) < ' ' && (ch) != '\n' && (ch) != '\r' && (ch) != '\t')
+
+
+/*
+ * Types and structures...
+ */
+
+typedef int (*_mxml_getc_cb_t)(void *, int *);
+typedef int (*_mxml_putc_cb_t)(int, void *);
+
+typedef struct _mxml_fdbuf_s		/**** File descriptor buffer ****/
+{
+  int		fd;			/* File descriptor */
+  unsigned char	*current,		/* Current position in buffer */
+		*end,			/* End of buffer */
+		buffer[8192];		/* Character buffer */
+} _mxml_fdbuf_t;
+
+
+/*
+ * Local functions...
+ */
+
+static int		mxml_add_char(int ch, char **ptr, char **buffer,
+			              int *bufsize);
+static int		mxml_fd_getc(void *p, int *encoding);
+static int		mxml_fd_putc(int ch, void *p);
+static int		mxml_fd_read(_mxml_fdbuf_t *buf);
+static int		mxml_fd_write(_mxml_fdbuf_t *buf);
+static int		mxml_file_getc(void *p, int *encoding);
+static int		mxml_file_putc(int ch, void *p);
+static int		mxml_get_entity(mxml_node_t *parent, void *p,
+			                int *encoding,
+					_mxml_getc_cb_t getc_cb);
+static inline int	mxml_isspace(int ch)
+			{
+			  return (ch == ' ' || ch == '\t' || ch == '\r' ||
+			          ch == '\n');
+			}
+static mxml_node_t	*mxml_load_data(mxml_node_t *top, void *p,
+			                mxml_load_cb_t cb,
+			                _mxml_getc_cb_t getc_cb,
+                                        mxml_sax_cb_t sax_cb, void *sax_data);
+static int		mxml_parse_element(mxml_node_t *node, void *p,
+			                   int *encoding,
+					   _mxml_getc_cb_t getc_cb);
+static int		mxml_string_getc(void *p, int *encoding);
+static int		mxml_string_putc(int ch, void *p);
+static int		mxml_write_name(const char *s, void *p,
+					_mxml_putc_cb_t putc_cb);
+static int		mxml_write_node(mxml_node_t *node, void *p,
+			                mxml_save_cb_t cb, int col,
+					_mxml_putc_cb_t putc_cb,
+					_mxml_global_t *global);
+static int		mxml_write_string(const char *s, void *p,
+					  _mxml_putc_cb_t putc_cb);
+static int		mxml_write_ws(mxml_node_t *node, void *p, 
+			              mxml_save_cb_t cb, int ws,
+				      int col, _mxml_putc_cb_t putc_cb);
+
+
+/*
+ * 'mxmlLoadFd()' - Load a file descriptor into an XML node tree.
+ *
+ * The nodes in the specified file are added to the specified top node.
+ * If no top node is provided, the XML file MUST be well-formed with a
+ * single parent node like <?xml> for the entire file. The callback
+ * function returns the value type that should be used for child nodes.
+ * If MXML_NO_CALLBACK is specified then all child nodes will be either
+ * MXML_ELEMENT or MXML_TEXT nodes.
+ *
+ * The constants MXML_INTEGER_CALLBACK, MXML_OPAQUE_CALLBACK,
+ * MXML_REAL_CALLBACK, and MXML_TEXT_CALLBACK are defined for loading
+ * child nodes of the specified type.
+ */
+
+mxml_node_t *				/* O - First node or NULL if the file could not be read. */
+mxmlLoadFd(mxml_node_t    *top,		/* I - Top node */
+           int            fd,		/* I - File descriptor to read from */
+           mxml_load_cb_t cb)		/* I - Callback function or MXML_NO_CALLBACK */
+{
+  _mxml_fdbuf_t	buf;			/* File descriptor buffer */
+
+
+ /*
+  * Initialize the file descriptor buffer...
+  */
+
+  buf.fd      = fd;
+  buf.current = buf.buffer;
+  buf.end     = buf.buffer;
+
+ /*
+  * Read the XML data...
+  */
+
+  return (mxml_load_data(top, &buf, cb, mxml_fd_getc, MXML_NO_CALLBACK, NULL));
+}
+
+
+/*
+ * 'mxmlLoadFile()' - Load a file into an XML node tree.
+ *
+ * The nodes in the specified file are added to the specified top node.
+ * If no top node is provided, the XML file MUST be well-formed with a
+ * single parent node like <?xml> for the entire file. The callback
+ * function returns the value type that should be used for child nodes.
+ * If MXML_NO_CALLBACK is specified then all child nodes will be either
+ * MXML_ELEMENT or MXML_TEXT nodes.
+ *
+ * The constants MXML_INTEGER_CALLBACK, MXML_OPAQUE_CALLBACK,
+ * MXML_REAL_CALLBACK, and MXML_TEXT_CALLBACK are defined for loading
+ * child nodes of the specified type.
+ */
+
+mxml_node_t *				/* O - First node or NULL if the file could not be read. */
+mxmlLoadFile(mxml_node_t    *top,	/* I - Top node */
+             FILE           *fp,	/* I - File to read from */
+             mxml_load_cb_t cb)		/* I - Callback function or MXML_NO_CALLBACK */
+{
+ /*
+  * Read the XML data...
+  */
+
+  return (mxml_load_data(top, fp, cb, mxml_file_getc, MXML_NO_CALLBACK, NULL));
+}
+
+
+/*
+ * 'mxmlLoadString()' - Load a string into an XML node tree.
+ *
+ * The nodes in the specified string are added to the specified top node.
+ * If no top node is provided, the XML string MUST be well-formed with a
+ * single parent node like <?xml> for the entire string. The callback
+ * function returns the value type that should be used for child nodes.
+ * If MXML_NO_CALLBACK is specified then all child nodes will be either
+ * MXML_ELEMENT or MXML_TEXT nodes.
+ *
+ * The constants MXML_INTEGER_CALLBACK, MXML_OPAQUE_CALLBACK,
+ * MXML_REAL_CALLBACK, and MXML_TEXT_CALLBACK are defined for loading
+ * child nodes of the specified type.
+ */
+
+mxml_node_t *				/* O - First node or NULL if the string has errors. */
+mxmlLoadString(mxml_node_t    *top,	/* I - Top node */
+               const char     *s,	/* I - String to load */
+               mxml_load_cb_t cb)	/* I - Callback function or MXML_NO_CALLBACK */
+{
+ /*
+  * Read the XML data...
+  */
+
+  return (mxml_load_data(top, (void *)&s, cb, mxml_string_getc, MXML_NO_CALLBACK,
+                         NULL));
+}
+
+
+/*
+ * 'mxmlSaveAllocString()' - Save an XML tree to an allocated string.
+ *
+ * This function returns a pointer to a string containing the textual
+ * representation of the XML node tree.  The string should be freed
+ * using the free() function when you are done with it.  NULL is returned
+ * if the node would produce an empty string or if the string cannot be
+ * allocated.
+ *
+ * The callback argument specifies a function that returns a whitespace
+ * string or NULL before and after each element. If MXML_NO_CALLBACK
+ * is specified, whitespace will only be added before MXML_TEXT nodes
+ * with leading whitespace and before attribute names inside opening
+ * element tags.
+ */
+
+char *					/* O - Allocated string or NULL */
+mxmlSaveAllocString(
+    mxml_node_t    *node,		/* I - Node to write */
+    mxml_save_cb_t cb)			/* I - Whitespace callback or MXML_NO_CALLBACK */
+{
+  int	bytes;				/* Required bytes */
+  char	buffer[8192];			/* Temporary buffer */
+  char	*s;				/* Allocated string */
+
+
+ /*
+  * Write the node to the temporary buffer...
+  */
+
+  bytes = mxmlSaveString(node, buffer, sizeof(buffer), cb);
+
+  if (bytes <= 0)
+    return (NULL);
+
+  if (bytes < (int)(sizeof(buffer) - 1))
+  {
+   /*
+    * Node fit inside the buffer, so just duplicate that string and
+    * return...
+    */
+
+    return (strdup(buffer));
+  }
+
+ /*
+  * Allocate a buffer of the required size and save the node to the
+  * new buffer...
+  */
+
+  if ((s = malloc(bytes + 1)) == NULL)
+    return (NULL);
+
+  mxmlSaveString(node, s, bytes + 1, cb);
+
+ /*
+  * Return the allocated string...
+  */
+
+  return (s);
+}
+
+
+/*
+ * 'mxmlSaveFd()' - Save an XML tree to a file descriptor.
+ *
+ * The callback argument specifies a function that returns a whitespace
+ * string or NULL before and after each element. If MXML_NO_CALLBACK
+ * is specified, whitespace will only be added before MXML_TEXT nodes
+ * with leading whitespace and before attribute names inside opening
+ * element tags.
+ */
+
+int					/* O - 0 on success, -1 on error. */
+mxmlSaveFd(mxml_node_t    *node,	/* I - Node to write */
+           int            fd,		/* I - File descriptor to write to */
+	   mxml_save_cb_t cb)		/* I - Whitespace callback or MXML_NO_CALLBACK */
+{
+  int		col;			/* Final column */
+  _mxml_fdbuf_t	buf;			/* File descriptor buffer */
+  _mxml_global_t *global = _mxml_global();
+					/* Global data */
+
+
+ /*
+  * Initialize the file descriptor buffer...
+  */
+
+  buf.fd      = fd;
+  buf.current = buf.buffer;
+  buf.end     = buf.buffer + sizeof(buf.buffer);
+
+ /*
+  * Write the node...
+  */
+
+  if ((col = mxml_write_node(node, &buf, cb, 0, mxml_fd_putc, global)) < 0)
+    return (-1);
+
+  if (col > 0)
+    if (mxml_fd_putc('\n', &buf) < 0)
+      return (-1);
+
+ /*
+  * Flush and return...
+  */
+
+  return (mxml_fd_write(&buf));
+}
+
+
+/*
+ * 'mxmlSaveFile()' - Save an XML tree to a file.
+ *
+ * The callback argument specifies a function that returns a whitespace
+ * string or NULL before and after each element. If MXML_NO_CALLBACK
+ * is specified, whitespace will only be added before MXML_TEXT nodes
+ * with leading whitespace and before attribute names inside opening
+ * element tags.
+ */
+
+int					/* O - 0 on success, -1 on error. */
+mxmlSaveFile(mxml_node_t    *node,	/* I - Node to write */
+             FILE           *fp,	/* I - File to write to */
+	     mxml_save_cb_t cb)		/* I - Whitespace callback or MXML_NO_CALLBACK */
+{
+  int	col;				/* Final column */
+  _mxml_global_t *global = _mxml_global();
+					/* Global data */
+
+
+ /*
+  * Write the node...
+  */
+
+  if ((col = mxml_write_node(node, fp, cb, 0, mxml_file_putc, global)) < 0)
+    return (-1);
+
+  if (col > 0)
+    if (putc('\n', fp) < 0)
+      return (-1);
+
+ /*
+  * Return 0 (success)...
+  */
+
+  return (0);
+}
+
+
+/*
+ * 'mxmlSaveString()' - Save an XML node tree to a string.
+ *
+ * This function returns the total number of bytes that would be
+ * required for the string but only copies (bufsize - 1) characters
+ * into the specified buffer.
+ *
+ * The callback argument specifies a function that returns a whitespace
+ * string or NULL before and after each element. If MXML_NO_CALLBACK
+ * is specified, whitespace will only be added before MXML_TEXT nodes
+ * with leading whitespace and before attribute names inside opening
+ * element tags.
+ */
+
+int					/* O - Size of string */
+mxmlSaveString(mxml_node_t    *node,	/* I - Node to write */
+               char           *buffer,	/* I - String buffer */
+               int            bufsize,	/* I - Size of string buffer */
+               mxml_save_cb_t cb)	/* I - Whitespace callback or MXML_NO_CALLBACK */
+{
+  int	col;				/* Final column */
+  char	*ptr[2];			/* Pointers for putc_cb */
+  _mxml_global_t *global = _mxml_global();
+					/* Global data */
+
+
+ /*
+  * Write the node...
+  */
+
+  ptr[0] = buffer;
+  ptr[1] = buffer + bufsize;
+
+  if ((col = mxml_write_node(node, ptr, cb, 0, mxml_string_putc, global)) < 0)
+    return (-1);
+
+  if (col > 0)
+    mxml_string_putc('\n', ptr);
+
+ /*
+  * Nul-terminate the buffer...
+  */
+
+  if (ptr[0] >= ptr[1])
+    buffer[bufsize - 1] = '\0';
+  else
+    ptr[0][0] = '\0';
+
+ /*
+  * Return the number of characters...
+  */
+
+  return (ptr[0] - buffer);
+}
+
+
+/*
+ * 'mxmlSAXLoadFd()' - Load a file descriptor into an XML node tree
+ *                     using a SAX callback.
+ *
+ * The nodes in the specified file are added to the specified top node.
+ * If no top node is provided, the XML file MUST be well-formed with a
+ * single parent node like <?xml> for the entire file. The callback
+ * function returns the value type that should be used for child nodes.
+ * If MXML_NO_CALLBACK is specified then all child nodes will be either
+ * MXML_ELEMENT or MXML_TEXT nodes.
+ *
+ * The constants MXML_INTEGER_CALLBACK, MXML_OPAQUE_CALLBACK,
+ * MXML_REAL_CALLBACK, and MXML_TEXT_CALLBACK are defined for loading
+ * child nodes of the specified type.
+ *
+ * The SAX callback must call mxmlRetain() for any nodes that need to
+ * be kept for later use. Otherwise, nodes are deleted when the parent
+ * node is closed or after each data, comment, CDATA, or directive node.
+ *
+ * @since Mini-XML 2.3@
+ */
+
+mxml_node_t *				/* O - First node or NULL if the file could not be read. */
+mxmlSAXLoadFd(mxml_node_t    *top,	/* I - Top node */
+              int            fd,	/* I - File descriptor to read from */
+              mxml_load_cb_t cb,	/* I - Callback function or MXML_NO_CALLBACK */
+              mxml_sax_cb_t  sax_cb,	/* I - SAX callback or MXML_NO_CALLBACK */
+              void           *sax_data)	/* I - SAX user data */
+{
+  _mxml_fdbuf_t	buf;			/* File descriptor buffer */
+
+
+ /*
+  * Initialize the file descriptor buffer...
+  */
+
+  buf.fd      = fd;
+  buf.current = buf.buffer;
+  buf.end     = buf.buffer;
+
+ /*
+  * Read the XML data...
+  */
+
+  return (mxml_load_data(top, &buf, cb, mxml_fd_getc, sax_cb, sax_data));
+}
+
+
+/*
+ * 'mxmlSAXLoadFile()' - Load a file into an XML node tree
+ *                       using a SAX callback.
+ *
+ * The nodes in the specified file are added to the specified top node.
+ * If no top node is provided, the XML file MUST be well-formed with a
+ * single parent node like <?xml> for the entire file. The callback
+ * function returns the value type that should be used for child nodes.
+ * If MXML_NO_CALLBACK is specified then all child nodes will be either
+ * MXML_ELEMENT or MXML_TEXT nodes.
+ *
+ * The constants MXML_INTEGER_CALLBACK, MXML_OPAQUE_CALLBACK,
+ * MXML_REAL_CALLBACK, and MXML_TEXT_CALLBACK are defined for loading
+ * child nodes of the specified type.
+ *
+ * The SAX callback must call mxmlRetain() for any nodes that need to
+ * be kept for later use. Otherwise, nodes are deleted when the parent
+ * node is closed or after each data, comment, CDATA, or directive node.
+ *
+ * @since Mini-XML 2.3@
+ */
+
+mxml_node_t *				/* O - First node or NULL if the file could not be read. */
+mxmlSAXLoadFile(
+    mxml_node_t    *top,		/* I - Top node */
+    FILE           *fp,			/* I - File to read from */
+    mxml_load_cb_t cb,			/* I - Callback function or MXML_NO_CALLBACK */
+    mxml_sax_cb_t  sax_cb,		/* I - SAX callback or MXML_NO_CALLBACK */
+    void           *sax_data)		/* I - SAX user data */
+{
+ /*
+  * Read the XML data...
+  */
+
+  return (mxml_load_data(top, fp, cb, mxml_file_getc, sax_cb, sax_data));
+}
+
+
+/*
+ * 'mxmlSAXLoadString()' - Load a string into an XML node tree
+ *                         using a SAX callback.
+ *
+ * The nodes in the specified string are added to the specified top node.
+ * If no top node is provided, the XML string MUST be well-formed with a
+ * single parent node like <?xml> for the entire string. The callback
+ * function returns the value type that should be used for child nodes.
+ * If MXML_NO_CALLBACK is specified then all child nodes will be either
+ * MXML_ELEMENT or MXML_TEXT nodes.
+ *
+ * The constants MXML_INTEGER_CALLBACK, MXML_OPAQUE_CALLBACK,
+ * MXML_REAL_CALLBACK, and MXML_TEXT_CALLBACK are defined for loading
+ * child nodes of the specified type.
+ *
+ * The SAX callback must call mxmlRetain() for any nodes that need to
+ * be kept for later use. Otherwise, nodes are deleted when the parent
+ * node is closed or after each data, comment, CDATA, or directive node.
+ *
+ * @since Mini-XML 2.3@
+ */
+
+mxml_node_t *				/* O - First node or NULL if the string has errors. */
+mxmlSAXLoadString(
+    mxml_node_t    *top,		/* I - Top node */
+    const char     *s,			/* I - String to load */
+    mxml_load_cb_t cb,			/* I - Callback function or MXML_NO_CALLBACK */
+    mxml_sax_cb_t  sax_cb,		/* I - SAX callback or MXML_NO_CALLBACK */
+    void           *sax_data)		/* I - SAX user data */
+{
+ /*
+  * Read the XML data...
+  */
+
+  return (mxml_load_data(top, (void *)&s, cb, mxml_string_getc, sax_cb, sax_data));
+}
+
+
+/*
+ * 'mxmlSetCustomHandlers()' - Set the handling functions for custom data.
+ *
+ * The load function accepts a node pointer and a data string and must
+ * return 0 on success and non-zero on error.
+ *
+ * The save function accepts a node pointer and must return a malloc'd
+ * string on success and NULL on error.
+ * 
+ */
+
+void
+mxmlSetCustomHandlers(
+    mxml_custom_load_cb_t load,		/* I - Load function */
+    mxml_custom_save_cb_t save)		/* I - Save function */
+{
+  _mxml_global_t *global = _mxml_global();
+					/* Global data */
+
+
+  global->custom_load_cb = load;
+  global->custom_save_cb = save;
+}
+
+
+/*
+ * 'mxmlSetErrorCallback()' - Set the error message callback.
+ */
+
+void
+mxmlSetErrorCallback(mxml_error_cb_t cb)/* I - Error callback function */
+{
+  _mxml_global_t *global = _mxml_global();
+					/* Global data */
+
+
+  global->error_cb = cb;
+}
+
+
+/*
+ * 'mxmlSetWrapMargin()' - Set the wrap margin when saving XML data.
+ *
+ * Wrapping is disabled when "column" is 0.
+ *
+ * @since Mini-XML 2.3@
+ */
+
+void
+mxmlSetWrapMargin(int column)		/* I - Column for wrapping, 0 to disable wrapping */
+{
+  _mxml_global_t *global = _mxml_global();
+					/* Global data */
+
+
+  global->wrap = column;
+}
+
+
+/*
+ * 'mxml_add_char()' - Add a character to a buffer, expanding as needed.
+ */
+
+static int				/* O  - 0 on success, -1 on error */
+mxml_add_char(int  ch,			/* I  - Character to add */
+              char **bufptr,		/* IO - Current position in buffer */
+	      char **buffer,		/* IO - Current buffer */
+	      int  *bufsize)		/* IO - Current buffer size */
+{
+  char	*newbuffer;			/* New buffer value */
+
+
+  if (*bufptr >= (*buffer + *bufsize - 4))
+  {
+   /*
+    * Increase the size of the buffer...
+    */
+
+    if (*bufsize < 1024)
+      (*bufsize) *= 2;
+    else
+      (*bufsize) += 1024;
+
+    if ((newbuffer = realloc(*buffer, *bufsize)) == NULL)
+    {
+      free(*buffer);
+
+      mxml_error("Unable to expand string buffer to %d bytes!", *bufsize);
+
+      return (-1);
+    }
+
+    *bufptr = newbuffer + (*bufptr - *buffer);
+    *buffer = newbuffer;
+  }
+
+  if (ch < 0x80)
+  {
+   /*
+    * Single byte ASCII...
+    */
+
+    *(*bufptr)++ = ch;
+  }
+  else if (ch < 0x800)
+  {
+   /*
+    * Two-byte UTF-8...
+    */
+
+    *(*bufptr)++ = 0xc0 | (ch >> 6);
+    *(*bufptr)++ = 0x80 | (ch & 0x3f);
+  }
+  else if (ch < 0x10000)
+  {
+   /*
+    * Three-byte UTF-8...
+    */
+
+    *(*bufptr)++ = 0xe0 | (ch >> 12);
+    *(*bufptr)++ = 0x80 | ((ch >> 6) & 0x3f);
+    *(*bufptr)++ = 0x80 | (ch & 0x3f);
+  }
+  else
+  {
+   /*
+    * Four-byte UTF-8...
+    */
+
+    *(*bufptr)++ = 0xf0 | (ch >> 18);
+    *(*bufptr)++ = 0x80 | ((ch >> 12) & 0x3f);
+    *(*bufptr)++ = 0x80 | ((ch >> 6) & 0x3f);
+    *(*bufptr)++ = 0x80 | (ch & 0x3f);
+  }
+
+  return (0);
+}
+
+
+/*
+ * 'mxml_fd_getc()' - Read a character from a file descriptor.
+ */
+
+static int				/* O  - Character or EOF */
+mxml_fd_getc(void *p,			/* I  - File descriptor buffer */
+             int  *encoding)		/* IO - Encoding */
+{
+  _mxml_fdbuf_t	*buf;			/* File descriptor buffer */
+  int		ch,			/* Current character */
+		temp;			/* Temporary character */
+
+
+ /*
+  * Grab the next character in the buffer...
+  */
+
+  buf = (_mxml_fdbuf_t *)p;
+
+  if (buf->current >= buf->end)
+    if (mxml_fd_read(buf) < 0)
+      return (EOF);
+
+  ch = *(buf->current)++;
+
+  switch (*encoding)
+  {
+    case ENCODE_UTF8 :
+       /*
+	* Got a UTF-8 character; convert UTF-8 to Unicode and return...
+	*/
+
+	if (!(ch & 0x80))
+	{
+#if DEBUG > 1
+          printf("mxml_fd_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch);
+#endif /* DEBUG > 1 */
+
+	  if (mxml_bad_char(ch))
+	  {
+	    mxml_error("Bad control character 0x%02x not allowed by XML standard!",
+        	       ch);
+	    return (EOF);
+	  }
+
+	  return (ch);
+        }
+	else if (ch == 0xfe)
+	{
+	 /*
+	  * UTF-16 big-endian BOM?
+	  */
+
+	  if (buf->current >= buf->end)
+	    if (mxml_fd_read(buf) < 0)
+	      return (EOF);
+
+	  ch = *(buf->current)++;
+          
+	  if (ch != 0xff)
+	    return (EOF);
+
+	  *encoding = ENCODE_UTF16BE;
+
+	  return (mxml_fd_getc(p, encoding));
+	}
+	else if (ch == 0xff)
+	{
+	 /*
+	  * UTF-16 little-endian BOM?
+	  */
+
+	  if (buf->current >= buf->end)
+	    if (mxml_fd_read(buf) < 0)
+	      return (EOF);
+
+	  ch = *(buf->current)++;
+          
+	  if (ch != 0xfe)
+	    return (EOF);
+
+	  *encoding = ENCODE_UTF16LE;
+
+	  return (mxml_fd_getc(p, encoding));
+	}
+	else if ((ch & 0xe0) == 0xc0)
+	{
+	 /*
+	  * Two-byte value...
+	  */
+
+	  if (buf->current >= buf->end)
+	    if (mxml_fd_read(buf) < 0)
+	      return (EOF);
+
+	  temp = *(buf->current)++;
+
+	  if ((temp & 0xc0) != 0x80)
+	    return (EOF);
+
+	  ch = ((ch & 0x1f) << 6) | (temp & 0x3f);
+
+	  if (ch < 0x80)
+	  {
+	    mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
+	    return (EOF);
+	  }
+	}
+	else if ((ch & 0xf0) == 0xe0)
+	{
+	 /*
+	  * Three-byte value...
+	  */
+
+	  if (buf->current >= buf->end)
+	    if (mxml_fd_read(buf) < 0)
+	      return (EOF);
+
+	  temp = *(buf->current)++;
+
+	  if ((temp & 0xc0) != 0x80)
+	    return (EOF);
+
+	  ch = ((ch & 0x0f) << 6) | (temp & 0x3f);
+
+	  if (buf->current >= buf->end)
+	    if (mxml_fd_read(buf) < 0)
+	      return (EOF);
+
+	  temp = *(buf->current)++;
+
+	  if ((temp & 0xc0) != 0x80)
+	    return (EOF);
+
+	  ch = (ch << 6) | (temp & 0x3f);
+
+	  if (ch < 0x800)
+	  {
+	    mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
+	    return (EOF);
+	  }
+
+         /*
+	  * Ignore (strip) Byte Order Mark (BOM)...
+	  */
+
+	  if (ch == 0xfeff)
+	    return (mxml_fd_getc(p, encoding));
+	}
+	else if ((ch & 0xf8) == 0xf0)
+	{
+	 /*
+	  * Four-byte value...
+	  */
+
+	  if (buf->current >= buf->end)
+	    if (mxml_fd_read(buf) < 0)
+	      return (EOF);
+
+	  temp = *(buf->current)++;
+
+	  if ((temp & 0xc0) != 0x80)
+	    return (EOF);
+
+	  ch = ((ch & 0x07) << 6) | (temp & 0x3f);
+
+	  if (buf->current >= buf->end)
+	    if (mxml_fd_read(buf) < 0)
+	      return (EOF);
+
+	  temp = *(buf->current)++;
+
+	  if ((temp & 0xc0) != 0x80)
+	    return (EOF);
+
+	  ch = (ch << 6) | (temp & 0x3f);
+
+	  if (buf->current >= buf->end)
+	    if (mxml_fd_read(buf) < 0)
+	      return (EOF);
+
+	  temp = *(buf->current)++;
+
+	  if ((temp & 0xc0) != 0x80)
+	    return (EOF);
+
+	  ch = (ch << 6) | (temp & 0x3f);
+
+	  if (ch < 0x10000)
+	  {
+	    mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
+	    return (EOF);
+	  }
+	}
+	else
+	  return (EOF);
+	break;
+
+    case ENCODE_UTF16BE :
+       /*
+        * Read UTF-16 big-endian char...
+	*/
+
+	if (buf->current >= buf->end)
+	  if (mxml_fd_read(buf) < 0)
+	    return (EOF);
+
+	temp = *(buf->current)++;
+
+	ch = (ch << 8) | temp;
+
+	if (mxml_bad_char(ch))
+	{
+	  mxml_error("Bad control character 0x%02x not allowed by XML standard!",
+        	     ch);
+	  return (EOF);
+	}
+        else if (ch >= 0xd800 && ch <= 0xdbff)
+	{
+	 /*
+	  * Multi-word UTF-16 char...
+	  */
+
+          int lch;
+
+	  if (buf->current >= buf->end)
+	    if (mxml_fd_read(buf) < 0)
+	      return (EOF);
+
+	  lch = *(buf->current)++;
+
+	  if (buf->current >= buf->end)
+	    if (mxml_fd_read(buf) < 0)
+	      return (EOF);
+
+	  temp = *(buf->current)++;
+
+	  lch = (lch << 8) | temp;
+
+          if (lch < 0xdc00 || lch >= 0xdfff)
+	    return (EOF);
+
+          ch = (((ch & 0x3ff) << 10) | (lch & 0x3ff)) + 0x10000;
+	}
+	break;
+
+    case ENCODE_UTF16LE :
+       /*
+        * Read UTF-16 little-endian char...
+	*/
+
+	if (buf->current >= buf->end)
+	  if (mxml_fd_read(buf) < 0)
+	    return (EOF);
+
+	temp = *(buf->current)++;
+
+	ch |= (temp << 8);
+
+        if (mxml_bad_char(ch))
+	{
+	  mxml_error("Bad control character 0x%02x not allowed by XML standard!",
+        	     ch);
+	  return (EOF);
+	}
+        else if (ch >= 0xd800 && ch <= 0xdbff)
+	{
+	 /*
+	  * Multi-word UTF-16 char...
+	  */
+
+          int lch;
+
+	  if (buf->current >= buf->end)
+	    if (mxml_fd_read(buf) < 0)
+	      return (EOF);
+
+	  lch = *(buf->current)++;
+
+	  if (buf->current >= buf->end)
+	    if (mxml_fd_read(buf) < 0)
+	      return (EOF);
+
+	  temp = *(buf->current)++;
+
+	  lch |= (temp << 8);
+
+          if (lch < 0xdc00 || lch >= 0xdfff)
+	    return (EOF);
+
+          ch = (((ch & 0x3ff) << 10) | (lch & 0x3ff)) + 0x10000;
+	}
+	break;
+  }
+
+#if DEBUG > 1
+  printf("mxml_fd_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch);
+#endif /* DEBUG > 1 */
+
+  return (ch);
+}
+
+
+/*
+ * 'mxml_fd_putc()' - Write a character to a file descriptor.
+ */
+
+static int				/* O - 0 on success, -1 on error */
+mxml_fd_putc(int  ch,			/* I - Character */
+             void *p)			/* I - File descriptor buffer */
+{
+  _mxml_fdbuf_t	*buf;			/* File descriptor buffer */
+
+
+ /*
+  * Flush the write buffer as needed...
+  */
+
+  buf = (_mxml_fdbuf_t *)p;
+
+  if (buf->current >= buf->end)
+    if (mxml_fd_write(buf) < 0)
+      return (-1);
+
+  *(buf->current)++ = ch;
+
+ /*
+  * Return successfully...
+  */
+
+  return (0);
+}
+
+
+/*
+ * 'mxml_fd_read()' - Read a buffer of data from a file descriptor.
+ */
+
+static int				/* O - 0 on success, -1 on error */
+mxml_fd_read(_mxml_fdbuf_t *buf)		/* I - File descriptor buffer */
+{
+  int	bytes;				/* Bytes read... */
+
+
+ /*
+  * Range check input...
+  */
+
+  if (!buf)
+    return (-1);
+
+ /*
+  * Read from the file descriptor...
+  */
+
+  while ((bytes = read(buf->fd, buf->buffer, sizeof(buf->buffer))) < 0)
+#ifdef EINTR
+    if (errno != EAGAIN && errno != EINTR)
+#else
+    if (errno != EAGAIN)
+#endif /* EINTR */
+      return (-1);
+
+  if (bytes == 0)
+    return (-1);
+
+ /*
+  * Update the pointers and return success...
+  */
+
+  buf->current = buf->buffer;
+  buf->end     = buf->buffer + bytes;
+
+  return (0);
+}
+
+
+/*
+ * 'mxml_fd_write()' - Write a buffer of data to a file descriptor.
+ */
+
+static int				/* O - 0 on success, -1 on error */
+mxml_fd_write(_mxml_fdbuf_t *buf)	/* I - File descriptor buffer */
+{
+  int		bytes;			/* Bytes written */
+  unsigned char	*ptr;			/* Pointer into buffer */
+
+
+ /*
+  * Range check...
+  */
+
+  if (!buf)
+    return (-1);
+
+ /*
+  * Return 0 if there is nothing to write...
+  */
+
+  if (buf->current == buf->buffer)
+    return (0);
+
+ /*
+  * Loop until we have written everything...
+  */
+
+  for (ptr = buf->buffer; ptr < buf->current; ptr += bytes)
+    if ((bytes = write(buf->fd, ptr, buf->current - ptr)) < 0)
+      return (-1);
+
+ /*
+  * All done, reset pointers and return success...
+  */
+
+  buf->current = buf->buffer;
+
+  return (0);
+}
+
+
+/*
+ * 'mxml_file_getc()' - Get a character from a file.
+ */
+
+static int				/* O  - Character or EOF */
+mxml_file_getc(void *p,			/* I  - Pointer to file */
+               int  *encoding)		/* IO - Encoding */
+{
+  int	ch,				/* Character from file */
+	temp;				/* Temporary character */
+  FILE	*fp;				/* Pointer to file */
+
+
+ /*
+  * Read a character from the file and see if it is EOF or ASCII...
+  */
+
+  fp = (FILE *)p;
+  ch = getc(fp);
+
+  if (ch == EOF)
+    return (EOF);
+
+  switch (*encoding)
+  {
+    case ENCODE_UTF8 :
+       /*
+	* Got a UTF-8 character; convert UTF-8 to Unicode and return...
+	*/
+
+	if (!(ch & 0x80))
+	{
+	  if (mxml_bad_char(ch))
+	  {
+	    mxml_error("Bad control character 0x%02x not allowed by XML standard!",
+        	       ch);
+	    return (EOF);
+	  }
+
+#if DEBUG > 1
+          printf("mxml_file_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch);
+#endif /* DEBUG > 1 */
+
+	  return (ch);
+        }
+	else if (ch == 0xfe)
+	{
+	 /*
+	  * UTF-16 big-endian BOM?
+	  */
+
+          ch = getc(fp);
+	  if (ch != 0xff)
+	    return (EOF);
+
+	  *encoding = ENCODE_UTF16BE;
+
+	  return (mxml_file_getc(p, encoding));
+	}
+	else if (ch == 0xff)
+	{
+	 /*
+	  * UTF-16 little-endian BOM?
+	  */
+
+          ch = getc(fp);
+	  if (ch != 0xfe)
+	    return (EOF);
+
+	  *encoding = ENCODE_UTF16LE;
+
+	  return (mxml_file_getc(p, encoding));
+	}
+	else if ((ch & 0xe0) == 0xc0)
+	{
+	 /*
+	  * Two-byte value...
+	  */
+
+	  if ((temp = getc(fp)) == EOF || (temp & 0xc0) != 0x80)
+	    return (EOF);
+
+	  ch = ((ch & 0x1f) << 6) | (temp & 0x3f);
+
+	  if (ch < 0x80)
+	  {
+	    mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
+	    return (EOF);
+	  }
+	}
+	else if ((ch & 0xf0) == 0xe0)
+	{
+	 /*
+	  * Three-byte value...
+	  */
+
+	  if ((temp = getc(fp)) == EOF || (temp & 0xc0) != 0x80)
+	    return (EOF);
+
+	  ch = ((ch & 0x0f) << 6) | (temp & 0x3f);
+
+	  if ((temp = getc(fp)) == EOF || (temp & 0xc0) != 0x80)
+	    return (EOF);
+
+	  ch = (ch << 6) | (temp & 0x3f);
+
+	  if (ch < 0x800)
+	  {
+	    mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
+	    return (EOF);
+	  }
+
+         /*
+	  * Ignore (strip) Byte Order Mark (BOM)...
+	  */
+
+	  if (ch == 0xfeff)
+	    return (mxml_file_getc(p, encoding));
+	}
+	else if ((ch & 0xf8) == 0xf0)
+	{
+	 /*
+	  * Four-byte value...
+	  */
+
+	  if ((temp = getc(fp)) == EOF || (temp & 0xc0) != 0x80)
+	    return (EOF);
+
+	  ch = ((ch & 0x07) << 6) | (temp & 0x3f);
+
+	  if ((temp = getc(fp)) == EOF || (temp & 0xc0) != 0x80)
+	    return (EOF);
+
+	  ch = (ch << 6) | (temp & 0x3f);
+
+	  if ((temp = getc(fp)) == EOF || (temp & 0xc0) != 0x80)
+	    return (EOF);
+
+	  ch = (ch << 6) | (temp & 0x3f);
+
+	  if (ch < 0x10000)
+	  {
+	    mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
+	    return (EOF);
+	  }
+	}
+	else
+	  return (EOF);
+	break;
+
+    case ENCODE_UTF16BE :
+       /*
+        * Read UTF-16 big-endian char...
+	*/
+
+	ch = (ch << 8) | getc(fp);
+
+	if (mxml_bad_char(ch))
+	{
+	  mxml_error("Bad control character 0x%02x not allowed by XML standard!",
+        	     ch);
+	  return (EOF);
+	}
+        else if (ch >= 0xd800 && ch <= 0xdbff)
+	{
+	 /*
+	  * Multi-word UTF-16 char...
+	  */
+
+          int lch = (getc(fp) << 8) | getc(fp);
+
+          if (lch < 0xdc00 || lch >= 0xdfff)
+	    return (EOF);
+
+          ch = (((ch & 0x3ff) << 10) | (lch & 0x3ff)) + 0x10000;
+	}
+	break;
+
+    case ENCODE_UTF16LE :
+       /*
+        * Read UTF-16 little-endian char...
+	*/
+
+	ch |= (getc(fp) << 8);
+
+        if (mxml_bad_char(ch))
+	{
+	  mxml_error("Bad control character 0x%02x not allowed by XML standard!",
+        	     ch);
+	  return (EOF);
+	}
+        else if (ch >= 0xd800 && ch <= 0xdbff)
+	{
+	 /*
+	  * Multi-word UTF-16 char...
+	  */
+
+          int lch = getc(fp) | (getc(fp) << 8);
+
+          if (lch < 0xdc00 || lch >= 0xdfff)
+	    return (EOF);
+
+          ch = (((ch & 0x3ff) << 10) | (lch & 0x3ff)) + 0x10000;
+	}
+	break;
+  }
+
+#if DEBUG > 1
+  printf("mxml_file_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch);
+#endif /* DEBUG > 1 */
+
+  return (ch);
+}
+
+
+/*
+ * 'mxml_file_putc()' - Write a character to a file.
+ */
+
+static int				/* O - 0 on success, -1 on failure */
+mxml_file_putc(int  ch,			/* I - Character to write */
+               void *p)			/* I - Pointer to file */
+{
+  return (putc(ch, (FILE *)p) == EOF ? -1 : 0);
+}
+
+
+/*
+ * 'mxml_get_entity()' - Get the character corresponding to an entity...
+ */
+
+static int				/* O  - Character value or EOF on error */
+mxml_get_entity(mxml_node_t *parent,	/* I  - Parent node */
+		void        *p,		/* I  - Pointer to source */
+		int         *encoding,	/* IO - Character encoding */
+                int         (*getc_cb)(void *, int *))
+					/* I  - Get character function */
+{
+  int	ch;				/* Current character */
+  char	entity[64],			/* Entity string */
+	*entptr;			/* Pointer into entity */
+
+
+  entptr = entity;
+
+  while ((ch = (*getc_cb)(p, encoding)) != EOF)
+    if (ch > 126 || (!isalnum(ch) && ch != '#'))
+      break;
+    else if (entptr < (entity + sizeof(entity) - 1))
+      *entptr++ = ch;
+    else
+    {
+      mxml_error("Entity name too long under parent <%s>!",
+	         parent ? parent->value.element.name : "null");
+      break;
+    }
+
+  *entptr = '\0';
+
+  if (ch != ';')
+  {
+    mxml_error("Character entity \"%s\" not terminated under parent <%s>!",
+	       entity, parent ? parent->value.element.name : "null");
+    return (EOF);
+  }
+
+  if (entity[0] == '#')
+  {
+    if (entity[1] == 'x')
+      ch = strtol(entity + 2, NULL, 16);
+    else
+      ch = strtol(entity + 1, NULL, 10);
+  }
+  else if ((ch = mxmlEntityGetValue(entity)) < 0)
+    mxml_error("Entity name \"%s;\" not supported under parent <%s>!",
+	       entity, parent ? parent->value.element.name : "null");
+
+  if (mxml_bad_char(ch))
+  {
+    mxml_error("Bad control character 0x%02x under parent <%s> not allowed by XML standard!",
+               ch, parent ? parent->value.element.name : "null");
+    return (EOF);
+  }
+
+  return (ch);
+}
+
+
+/*
+ * 'mxml_load_data()' - Load data into an XML node tree.
+ */
+
+static mxml_node_t *			/* O - First node or NULL if the file could not be read. */
+mxml_load_data(
+    mxml_node_t     *top,		/* I - Top node */
+    void            *p,			/* I - Pointer to data */
+    mxml_load_cb_t  cb,			/* I - Callback function or MXML_NO_CALLBACK */
+    _mxml_getc_cb_t getc_cb,		/* I - Read function */
+    mxml_sax_cb_t   sax_cb,		/* I - SAX callback or MXML_NO_CALLBACK */
+    void            *sax_data)		/* I - SAX user data */
+{
+  mxml_node_t	*node,			/* Current node */
+		*first,			/* First node added */
+		*parent;		/* Current parent node */
+  int		ch,			/* Character from file */
+		whitespace;		/* Non-zero if whitespace seen */
+  char		*buffer,		/* String buffer */
+		*bufptr;		/* Pointer into buffer */
+  int		bufsize;		/* Size of buffer */
+  mxml_type_t	type;			/* Current node type */
+  int		encoding;		/* Character encoding */
+  _mxml_global_t *global = _mxml_global();
+					/* Global data */
+  static const char * const types[] =	/* Type strings... */
+		{
+		  "MXML_ELEMENT",	/* XML element with attributes */
+		  "MXML_INTEGER",	/* Integer value */
+		  "MXML_OPAQUE",	/* Opaque string */
+		  "MXML_REAL",		/* Real value */
+		  "MXML_TEXT",		/* Text fragment */
+		  "MXML_CUSTOM"		/* Custom data */
+		};
+
+
+ /*
+  * Read elements and other nodes from the file...
+  */
+
+  if ((buffer = malloc(64)) == NULL)
+  {
+    mxml_error("Unable to allocate string buffer!");
+    return (NULL);
+  }
+
+  bufsize    = 64;
+  bufptr     = buffer;
+  parent     = top;
+  first      = NULL;
+  whitespace = 0;
+  encoding   = ENCODE_UTF8;
+
+  if (cb && parent)
+    type = (*cb)(parent);
+  else
+    type = MXML_TEXT;
+
+  while ((ch = (*getc_cb)(p, &encoding)) != EOF)
+  {
+    if ((ch == '<' ||
+         (mxml_isspace(ch) && type != MXML_OPAQUE && type != MXML_CUSTOM)) &&
+        bufptr > buffer)
+    {
+     /*
+      * Add a new value node...
+      */
+
+      *bufptr = '\0';
+
+      switch (type)
+      {
+	case MXML_INTEGER :
+            node = mxmlNewInteger(parent, strtol(buffer, &bufptr, 0));
+	    break;
+
+	case MXML_OPAQUE :
+            node = mxmlNewOpaque(parent, buffer);
+	    break;
+
+	case MXML_REAL :
+            node = mxmlNewReal(parent, strtod(buffer, &bufptr));
+	    break;
+
+	case MXML_TEXT :
+            node = mxmlNewText(parent, whitespace, buffer);
+	    break;
+
+	case MXML_CUSTOM :
+	    if (global->custom_load_cb)
+	    {
+	     /*
+	      * Use the callback to fill in the custom data...
+	      */
+
+              node = mxmlNewCustom(parent, NULL, NULL);
+
+	      if ((*global->custom_load_cb)(node, buffer))
+	      {
+	        mxml_error("Bad custom value '%s' in parent <%s>!",
+		           buffer, parent ? parent->value.element.name : "null");
+		mxmlDelete(node);
+		node = NULL;
+	      }
+	      break;
+	    }
+
+        default : /* Ignore... */
+	    node = NULL;
+	    break;
+      }	  
+
+      if (*bufptr)
+      {
+       /*
+        * Bad integer/real number value...
+	*/
+
+        mxml_error("Bad %s value '%s' in parent <%s>!",
+	           type == MXML_INTEGER ? "integer" : "real", buffer,
+		   parent ? parent->value.element.name : "null");
+	break;
+      }
+
+      bufptr     = buffer;
+      whitespace = mxml_isspace(ch) && type == MXML_TEXT;
+
+      if (!node && type != MXML_IGNORE)
+      {
+       /*
+	* Print error and return...
+	*/
+
+	mxml_error("Unable to add value node of type %s to parent <%s>!",
+	           types[type], parent ? parent->value.element.name : "null");
+	goto error;
+      }
+
+      if (sax_cb)
+      {
+        (*sax_cb)(node, MXML_SAX_DATA, sax_data);
+
+        if (!mxmlRelease(node))
+          node = NULL;
+      }
+
+      if (!first && node)
+        first = node;
+    }
+    else if (mxml_isspace(ch) && type == MXML_TEXT)
+      whitespace = 1;
+
+   /*
+    * Add lone whitespace node if we have an element and existing
+    * whitespace...
+    */
+
+    if (ch == '<' && whitespace && type == MXML_TEXT)
+    {
+      if (parent)
+      {
+	node = mxmlNewText(parent, whitespace, "");
+
+	if (sax_cb)
+	{
+	  (*sax_cb)(node, MXML_SAX_DATA, sax_data);
+
+	  if (!mxmlRelease(node))
+	    node = NULL;
+	}
+
+	if (!first && node)
+	  first = node;
+      }
+
+      whitespace = 0;
+    }
+
+    if (ch == '<')
+    {
+     /*
+      * Start of open/close tag...
+      */
+
+      bufptr = buffer;
+
+      while ((ch = (*getc_cb)(p, &encoding)) != EOF)
+        if (mxml_isspace(ch) || ch == '>' || (ch == '/' && bufptr > buffer))
+	  break;
+	else if (ch == '<')
+	{
+	  mxml_error("Bare < in element!");
+	  goto error;
+	}
+	else if (ch == '&')
+	{
+	  if ((ch = mxml_get_entity(parent, p, &encoding, getc_cb)) == EOF)
+	    goto error;
+
+	  if (mxml_add_char(ch, &bufptr, &buffer, &bufsize))
+	    goto error;
+	}
+	else if (mxml_add_char(ch, &bufptr, &buffer, &bufsize))
+	  goto error;
+	else if (((bufptr - buffer) == 1 && buffer[0] == '?') ||
+	         ((bufptr - buffer) == 3 && !strncmp(buffer, "!--", 3)) ||
+	         ((bufptr - buffer) == 8 && !strncmp(buffer, "![CDATA[", 8)))
+	  break;
+
+      *bufptr = '\0';
+
+      if (!strcmp(buffer, "!--"))
+      {
+       /*
+        * Gather rest of comment...
+	*/
+
+	while ((ch = (*getc_cb)(p, &encoding)) != EOF)
+	{
+	  if (ch == '>' && bufptr > (buffer + 4) &&
+	      bufptr[-3] != '-' && bufptr[-2] == '-' && bufptr[-1] == '-')
+	    break;
+	  else if (mxml_add_char(ch, &bufptr, &buffer, &bufsize))
+	    goto error;
+	}
+
+       /*
+        * Error out if we didn't get the whole comment...
+	*/
+
+        if (ch != '>')
+	{
+	 /*
+	  * Print error and return...
+	  */
+
+	  mxml_error("Early EOF in comment node!");
+	  goto error;
+	}
+
+
+       /*
+        * Otherwise add this as an element under the current parent...
+	*/
+
+	*bufptr = '\0';
+
+        if (!parent && first)
+	{
+	 /*
+	  * There can only be one root element!
+	  */
+
+	  mxml_error("<%s> cannot be a second root node after <%s>", 
+	             buffer, first->value.element.name);
+          goto error; 		     
+	}
+
+	if ((node = mxmlNewElement(parent, buffer)) == NULL)
+	{
+	 /*
+	  * Just print error for now...
+	  */
+
+	  mxml_error("Unable to add comment node to parent <%s>!",
+	             parent ? parent->value.element.name : "null");
+	  break;
+	}
+
+        if (sax_cb)
+        {
+          (*sax_cb)(node, MXML_SAX_COMMENT, sax_data);
+
+          if (!mxmlRelease(node))
+            node = NULL;
+        }
+
+	if (node && !first)
+	  first = node;
+      }
+      else if (!strcmp(buffer, "![CDATA["))
+      {
+       /*
+        * Gather CDATA section...
+	*/
+
+	while ((ch = (*getc_cb)(p, &encoding)) != EOF)
+	{
+	  if (ch == '>' && !strncmp(bufptr - 2, "]]", 2))
+	    break;
+	  else if (mxml_add_char(ch, &bufptr, &buffer, &bufsize))
+	    goto error;
+	}
+
+       /*
+        * Error out if we didn't get the whole comment...
+	*/
+
+        if (ch != '>')
+	{
+	 /*
+	  * Print error and return...
+	  */
+
+	  mxml_error("Early EOF in CDATA node!");
+	  goto error;
+	}
+
+
+       /*
+        * Otherwise add this as an element under the current parent...
+	*/
+
+	*bufptr = '\0';
+
+        if (!parent && first)
+	{
+	 /*
+	  * There can only be one root element!
+	  */
+
+	  mxml_error("<%s> cannot be a second root node after <%s>", 
+	             buffer, first->value.element.name);
+          goto error; 		     
+	}
+
+	if ((node = mxmlNewElement(parent, buffer)) == NULL)
+	{
+	 /*
+	  * Print error and return...
+	  */
+
+	  mxml_error("Unable to add CDATA node to parent <%s>!",
+	             parent ? parent->value.element.name : "null");
+	  goto error;
+	}
+
+        if (sax_cb)
+        {
+          (*sax_cb)(node, MXML_SAX_CDATA, sax_data);
+
+          if (!mxmlRelease(node))
+            node = NULL;
+        }
+
+	if (node && !first)
+	  first = node;
+      }
+      else if (buffer[0] == '?')
+      {
+       /*
+        * Gather rest of processing instruction...
+	*/
+
+	while ((ch = (*getc_cb)(p, &encoding)) != EOF)
+	{
+	  if (ch == '>' && bufptr > buffer && bufptr[-1] == '?')
+	    break;
+	  else if (mxml_add_char(ch, &bufptr, &buffer, &bufsize))
+	    goto error;
+	}
+
+       /*
+        * Error out if we didn't get the whole processing instruction...
+	*/
+
+        if (ch != '>')
+	{
+	 /*
+	  * Print error and return...
+	  */
+
+	  mxml_error("Early EOF in processing instruction node!");
+	  goto error;
+	}
+
+       /*
+        * Otherwise add this as an element under the current parent...
+	*/
+
+	*bufptr = '\0';
+
+        if (!parent && first)
+	{
+	 /*
+	  * There can only be one root element!
+	  */
+
+	  mxml_error("<%s> cannot be a second root node after <%s>", 
+	             buffer, first->value.element.name);
+          goto error; 		     
+	}
+
+	if ((node = mxmlNewElement(parent, buffer)) == NULL)
+	{
+	 /*
+	  * Print error and return...
+	  */
+
+	  mxml_error("Unable to add processing instruction node to parent <%s>!",
+	             parent ? parent->value.element.name : "null");
+	  goto error;
+	}
+
+        if (sax_cb)
+        {
+          (*sax_cb)(node, MXML_SAX_DIRECTIVE, sax_data);
+
+          if (!mxmlRelease(node))
+            node = NULL;
+        }
+
+        if (node)
+	{
+	  if (!first)
+            first = node;
+
+	  if (!parent)
+	  {
+	    parent = node;
+
+	    if (cb)
+	      type = (*cb)(parent);
+	  }
+	}
+      }
+      else if (buffer[0] == '!')
+      {
+       /*
+        * Gather rest of declaration...
+	*/
+
+	do
+	{
+	  if (ch == '>')
+	    break;
+	  else
+	  {
+            if (ch == '&')
+	      if ((ch = mxml_get_entity(parent, p, &encoding, getc_cb)) == EOF)
+		goto error;
+
+	    if (mxml_add_char(ch, &bufptr, &buffer, &bufsize))
+	      goto error;
+	  }
+	}
+        while ((ch = (*getc_cb)(p, &encoding)) != EOF);
+
+       /*
+        * Error out if we didn't get the whole declaration...
+	*/
+
+        if (ch != '>')
+	{
+	 /*
+	  * Print error and return...
+	  */
+
+	  mxml_error("Early EOF in declaration node!");
+	  goto error;
+	}
+
+       /*
+        * Otherwise add this as an element under the current parent...
+	*/
+
+	*bufptr = '\0';
+
+        if (!parent && first)
+	{
+	 /*
+	  * There can only be one root element!
+	  */
+
+	  mxml_error("<%s> cannot be a second root node after <%s>", 
+	             buffer, first->value.element.name);
+          goto error; 		     
+	}
+
+	if ((node = mxmlNewElement(parent, buffer)) == NULL)
+	{
+	 /*
+	  * Print error and return...
+	  */
+
+	  mxml_error("Unable to add declaration node to parent <%s>!",
+	             parent ? parent->value.element.name : "null");
+	  goto error;
+	}
+
+        if (sax_cb)
+        {
+          (*sax_cb)(node, MXML_SAX_DIRECTIVE, sax_data);
+
+          if (!mxmlRelease(node))
+            node = NULL;
+        }
+
+        if (node)
+	{
+	  if (!first)
+            first = node;
+
+	  if (!parent)
+	  {
+	    parent = node;
+
+	    if (cb)
+	      type = (*cb)(parent);
+	  }
+	}
+      }
+      else if (buffer[0] == '/')
+      {
+       /*
+        * Handle close tag...
+	*/
+
+        if (!parent || strcmp(buffer + 1, parent->value.element.name))
+	{
+	 /*
+	  * Close tag doesn't match tree; print an error for now...
+	  */
+
+	  mxml_error("Mismatched close tag <%s> under parent <%s>!",
+	             buffer, parent ? parent->value.element.name : "(null)");
+          goto error;
+	}
+
+       /*
+        * Keep reading until we see >...
+	*/
+
+        while (ch != '>' && ch != EOF)
+	  ch = (*getc_cb)(p, &encoding);
+
+        node   = parent;
+        parent = parent->parent;
+
+        if (sax_cb)
+        {
+          (*sax_cb)(node, MXML_SAX_ELEMENT_CLOSE, sax_data);
+
+          if (!mxmlRelease(node) && first == node)
+	    first = NULL;
+        }
+
+       /*
+	* Ascend into the parent and set the value type as needed...
+	*/
+
+	if (cb && parent)
+	  type = (*cb)(parent);
+      }
+      else
+      {
+       /*
+        * Handle open tag...
+	*/
+
+        if (!parent && first)
+	{
+	 /*
+	  * There can only be one root element!
+	  */
+
+	  mxml_error("<%s> cannot be a second root node after <%s>", 
+	             buffer, first->value.element.name);
+          goto error; 		     
+	}
+
+        if ((node = mxmlNewElement(parent, buffer)) == NULL)
+	{
+	 /*
+	  * Just print error for now...
+	  */
+
+	  mxml_error("Unable to add element node to parent <%s>!",
+	             parent ? parent->value.element.name : "null");
+	  goto error;
+	}
+
+        if (mxml_isspace(ch))
+        {
+	  if ((ch = mxml_parse_element(node, p, &encoding, getc_cb)) == EOF)
+	    goto error;
+        }
+        else if (ch == '/')
+	{
+	  if ((ch = (*getc_cb)(p, &encoding)) != '>')
+	  {
+	    mxml_error("Expected > but got '%c' instead for element <%s/>!",
+	               ch, buffer);
+            mxmlDelete(node);
+            goto error;
+	  }
+
+	  ch = '/';
+	}
+
+        if (sax_cb)
+          (*sax_cb)(node, MXML_SAX_ELEMENT_OPEN, sax_data);
+
+        if (!first)
+	  first = node;
+
+	if (ch == EOF)
+	  break;
+
+        if (ch != '/')
+	{
+	 /*
+	  * Descend into this node, setting the value type as needed...
+	  */
+
+	  parent = node;
+
+	  if (cb && parent)
+	    type = (*cb)(parent);
+	}
+        else if (sax_cb)
+        {
+          (*sax_cb)(node, MXML_SAX_ELEMENT_CLOSE, sax_data);
+
+          if (!mxmlRelease(node) && first == node)
+            first = NULL;
+        }
+      }
+
+      bufptr  = buffer;
+    }
+    else if (ch == '&')
+    {
+     /*
+      * Add character entity to current buffer...
+      */
+
+      if ((ch = mxml_get_entity(parent, p, &encoding, getc_cb)) == EOF)
+	goto error;
+
+      if (mxml_add_char(ch, &bufptr, &buffer, &bufsize))
+	goto error;
+    }
+    else if (type == MXML_OPAQUE || type == MXML_CUSTOM || !mxml_isspace(ch))
+    {
+     /*
+      * Add character to current buffer...
+      */
+
+      if (mxml_add_char(ch, &bufptr, &buffer, &bufsize))
+	goto error;
+    }
+  }
+
+ /*
+  * Free the string buffer - we don't need it anymore...
+  */
+
+  free(buffer);
+
+ /*
+  * Find the top element and return it...
+  */
+
+  if (parent)
+  {
+    node = parent;
+
+    while (parent->parent != top && parent->parent)
+      parent = parent->parent;
+
+    if (node != parent)
+    {
+      mxml_error("Missing close tag </%s> under parent <%s>!",
+	         node->value.element.name,
+		 node->parent ? node->parent->value.element.name : "(null)");
+
+      mxmlDelete(first);
+
+      return (NULL);
+    }
+  }
+
+  if (parent)
+    return (parent);
+  else
+    return (first);
+
+ /*
+  * Common error return...
+  */
+
+error:
+
+  mxmlDelete(first);
+
+  free(buffer);
+
+  return (NULL);
+}
+
+
+/*
+ * 'mxml_parse_element()' - Parse an element for any attributes...
+ */
+
+static int				/* O  - Terminating character */
+mxml_parse_element(
+    mxml_node_t     *node,		/* I  - Element node */
+    void            *p,			/* I  - Data to read from */
+    int             *encoding,		/* IO - Encoding */
+    _mxml_getc_cb_t getc_cb)		/* I  - Data callback */
+{
+  int	ch,				/* Current character in file */
+	quote;				/* Quoting character */
+  char	*name,				/* Attribute name */
+	*value,				/* Attribute value */
+	*ptr;				/* Pointer into name/value */
+  int	namesize,			/* Size of name string */
+	valsize;			/* Size of value string */
+
+
+ /*
+  * Initialize the name and value buffers...
+  */
+
+  if ((name = malloc(64)) == NULL)
+  {
+    mxml_error("Unable to allocate memory for name!");
+    return (EOF);
+  }
+
+  namesize = 64;
+
+  if ((value = malloc(64)) == NULL)
+  {
+    free(name);
+    mxml_error("Unable to allocate memory for value!");
+    return (EOF);
+  }
+
+  valsize = 64;
+
+ /*
+  * Loop until we hit a >, /, ?, or EOF...
+  */
+
+  while ((ch = (*getc_cb)(p, encoding)) != EOF)
+  {
+#if DEBUG > 1
+    fprintf(stderr, "parse_element: ch='%c'\n", ch);
+#endif /* DEBUG > 1 */
+
+   /*
+    * Skip leading whitespace...
+    */
+
+    if (mxml_isspace(ch))
+      continue;
+
+   /*
+    * Stop at /, ?, or >...
+    */
+
+    if (ch == '/' || ch == '?')
+    {
+     /*
+      * Grab the > character and print an error if it isn't there...
+      */
+
+      quote = (*getc_cb)(p, encoding);
+
+      if (quote != '>')
+      {
+        mxml_error("Expected '>' after '%c' for element %s, but got '%c'!",
+	           ch, node->value.element.name, quote);
+        goto error;
+      }
+
+      break;
+    }
+    else if (ch == '<')
+    {
+      mxml_error("Bare < in element %s!", node->value.element.name);
+      goto error;
+    }
+    else if (ch == '>')
+      break;
+
+   /*
+    * Read the attribute name...
+    */
+
+    name[0] = ch;
+    ptr     = name + 1;
+
+    if (ch == '\"' || ch == '\'')
+    {
+     /*
+      * Name is in quotes, so get a quoted string...
+      */
+
+      quote = ch;
+
+      while ((ch = (*getc_cb)(p, encoding)) != EOF)
+      {
+        if (ch == '&')
+	  if ((ch = mxml_get_entity(node, p, encoding, getc_cb)) == EOF)
+	    goto error;
+
+	if (mxml_add_char(ch, &ptr, &name, &namesize))
+	  goto error;
+
+	if (ch == quote)
+          break;
+      }
+    }
+    else
+    {
+     /*
+      * Grab an normal, non-quoted name...
+      */
+
+      while ((ch = (*getc_cb)(p, encoding)) != EOF)
+	if (mxml_isspace(ch) || ch == '=' || ch == '/' || ch == '>' ||
+	    ch == '?')
+          break;
+	else
+	{
+          if (ch == '&')
+	    if ((ch = mxml_get_entity(node, p, encoding, getc_cb)) == EOF)
+	      goto error;
+
+	  if (mxml_add_char(ch, &ptr, &name, &namesize))
+	    goto error;
+	}
+    }
+
+    *ptr = '\0';
+
+    if (mxmlElementGetAttr(node, name))
+      goto error;
+
+    while (ch != EOF && mxml_isspace(ch))
+      ch = (*getc_cb)(p, encoding);
+
+    if (ch == '=')
+    {
+     /*
+      * Read the attribute value...
+      */
+
+      while ((ch = (*getc_cb)(p, encoding)) != EOF && mxml_isspace(ch));
+
+      if (ch == EOF)
+      {
+        mxml_error("Missing value for attribute '%s' in element %s!",
+	           name, node->value.element.name);
+        goto error;
+      }
+
+      if (ch == '\'' || ch == '\"')
+      {
+       /*
+        * Read quoted value...
+	*/
+
+        quote = ch;
+	ptr   = value;
+
+        while ((ch = (*getc_cb)(p, encoding)) != EOF)
+	  if (ch == quote)
+	    break;
+	  else
+	  {
+	    if (ch == '&')
+	      if ((ch = mxml_get_entity(node, p, encoding, getc_cb)) == EOF)
+	        goto error;
+	      
+	    if (mxml_add_char(ch, &ptr, &value, &valsize))
+	      goto error;
+	  }
+
+        *ptr = '\0';
+      }
+      else
+      {
+       /*
+        * Read unquoted value...
+	*/
+
+	value[0] = ch;
+	ptr      = value + 1;
+
+	while ((ch = (*getc_cb)(p, encoding)) != EOF)
+	  if (mxml_isspace(ch) || ch == '=' || ch == '/' || ch == '>')
+            break;
+	  else
+	  {
+	    if (ch == '&')
+	      if ((ch = mxml_get_entity(node, p, encoding, getc_cb)) == EOF)
+	        goto error;
+	      
+	    if (mxml_add_char(ch, &ptr, &value, &valsize))
+	      goto error;
+	  }
+
+        *ptr = '\0';
+      }
+
+     /*
+      * Set the attribute with the given string value...
+      */
+
+      mxmlElementSetAttr(node, name, value);
+    }
+    else
+    {
+      mxml_error("Missing value for attribute '%s' in element %s!",
+	         name, node->value.element.name);
+      goto error;
+    }
+
+   /*
+    * Check the end character...
+    */
+
+    if (ch == '/' || ch == '?')
+    {
+     /*
+      * Grab the > character and print an error if it isn't there...
+      */
+
+      quote = (*getc_cb)(p, encoding);
+
+      if (quote != '>')
+      {
+        mxml_error("Expected '>' after '%c' for element %s, but got '%c'!",
+	           ch, node->value.element.name, quote);
+        ch = EOF;
+      }
+
+      break;
+    }
+    else if (ch == '>')
+      break;
+  }
+
+ /*
+  * Free the name and value buffers and return...
+  */
+
+  free(name);
+  free(value);
+
+  return (ch);
+
+ /*
+  * Common error return point...
+  */
+
+error:
+
+  free(name);
+  free(value);
+
+  return (EOF);
+}
+
+
+/*
+ * 'mxml_string_getc()' - Get a character from a string.
+ */
+
+static int				/* O  - Character or EOF */
+mxml_string_getc(void *p,		/* I  - Pointer to file */
+                 int  *encoding)	/* IO - Encoding */
+{
+  int		ch;			/* Character */
+  const char	**s;			/* Pointer to string pointer */
+
+
+  s = (const char **)p;
+
+  if ((ch = (*s)[0] & 255) != 0 || *encoding == ENCODE_UTF16LE)
+  {
+   /*
+    * Got character; convert UTF-8 to integer and return...
+    */
+
+    (*s)++;
+
+    switch (*encoding)
+    {
+      case ENCODE_UTF8 :
+	  if (!(ch & 0x80))
+	  {
+#if DEBUG > 1
+            printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch);
+#endif /* DEBUG > 1 */
+
+	    if (mxml_bad_char(ch))
+	    {
+	      mxml_error("Bad control character 0x%02x not allowed by XML standard!",
+        		 ch);
+	      return (EOF);
+	    }
+
+	    return (ch);
+          }
+	  else if (ch == 0xfe)
+	  {
+	   /*
+	    * UTF-16 big-endian BOM?
+	    */
+
+            if (((*s)[0] & 255) != 0xff)
+	      return (EOF);
+
+	    *encoding = ENCODE_UTF16BE;
+	    (*s)++;
+
+	    return (mxml_string_getc(p, encoding));
+	  }
+	  else if (ch == 0xff)
+	  {
+	   /*
+	    * UTF-16 little-endian BOM?
+	    */
+
+            if (((*s)[0] & 255) != 0xfe)
+	      return (EOF);
+
+	    *encoding = ENCODE_UTF16LE;
+	    (*s)++;
+
+	    return (mxml_string_getc(p, encoding));
+	  }
+	  else if ((ch & 0xe0) == 0xc0)
+	  {
+	   /*
+	    * Two-byte value...
+	    */
+
+	    if (((*s)[0] & 0xc0) != 0x80)
+              return (EOF);
+
+	    ch = ((ch & 0x1f) << 6) | ((*s)[0] & 0x3f);
+
+	    (*s)++;
+
+	    if (ch < 0x80)
+	    {
+	      mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
+	      return (EOF);
+	    }
+
+#if DEBUG > 1
+            printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch);
+#endif /* DEBUG > 1 */
+
+	    return (ch);
+	  }
+	  else if ((ch & 0xf0) == 0xe0)
+	  {
+	   /*
+	    * Three-byte value...
+	    */
+
+	    if (((*s)[0] & 0xc0) != 0x80 ||
+        	((*s)[1] & 0xc0) != 0x80)
+              return (EOF);
+
+	    ch = ((((ch & 0x0f) << 6) | ((*s)[0] & 0x3f)) << 6) | ((*s)[1] & 0x3f);
+
+	    (*s) += 2;
+
+	    if (ch < 0x800)
+	    {
+	      mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
+	      return (EOF);
+	    }
+
+	   /*
+	    * Ignore (strip) Byte Order Mark (BOM)...
+	    */
+
+	    if (ch == 0xfeff)
+	      return (mxml_string_getc(p, encoding));
+
+#if DEBUG > 1
+            printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch);
+#endif /* DEBUG > 1 */
+
+	    return (ch);
+	  }
+	  else if ((ch & 0xf8) == 0xf0)
+	  {
+	   /*
+	    * Four-byte value...
+	    */
+
+	    if (((*s)[0] & 0xc0) != 0x80 ||
+        	((*s)[1] & 0xc0) != 0x80 ||
+        	((*s)[2] & 0xc0) != 0x80)
+              return (EOF);
+
+	    ch = ((((((ch & 0x07) << 6) | ((*s)[0] & 0x3f)) << 6) |
+        	   ((*s)[1] & 0x3f)) << 6) | ((*s)[2] & 0x3f);
+
+	    (*s) += 3;
+
+	    if (ch < 0x10000)
+	    {
+	      mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch);
+	      return (EOF);
+	    }
+
+#if DEBUG > 1
+            printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch);
+#endif /* DEBUG > 1 */
+
+	    return (ch);
+	  }
+	  else
+	    return (EOF);
+
+      case ENCODE_UTF16BE :
+	 /*
+          * Read UTF-16 big-endian char...
+	  */
+
+	  ch = (ch << 8) | ((*s)[0] & 255);
+	  (*s) ++;
+
+          if (mxml_bad_char(ch))
+	  {
+	    mxml_error("Bad control character 0x%02x not allowed by XML standard!",
+        	       ch);
+	    return (EOF);
+	  }
+          else if (ch >= 0xd800 && ch <= 0xdbff)
+	  {
+	   /*
+	    * Multi-word UTF-16 char...
+	    */
+
+            int lch;			/* Lower word */
+
+
+            if (!(*s)[0])
+	      return (EOF);
+
+            lch = (((*s)[0] & 255) << 8) | ((*s)[1] & 255);
+	    (*s) += 2;
+
+            if (lch < 0xdc00 || lch >= 0xdfff)
+	      return (EOF);
+
+            ch = (((ch & 0x3ff) << 10) | (lch & 0x3ff)) + 0x10000;
+	  }
+
+#if DEBUG > 1
+          printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch);
+#endif /* DEBUG > 1 */
+
+	  return (ch);
+
+      case ENCODE_UTF16LE :
+	 /*
+          * Read UTF-16 little-endian char...
+	  */
+
+	  ch = ch | (((*s)[0] & 255) << 8);
+
+	  if (!ch)
+	  {
+	    (*s) --;
+	    return (EOF);
+	  }
+
+	  (*s) ++;
+
+          if (mxml_bad_char(ch))
+	  {
+	    mxml_error("Bad control character 0x%02x not allowed by XML standard!",
+        	       ch);
+	    return (EOF);
+	  }
+          else if (ch >= 0xd800 && ch <= 0xdbff)
+	  {
+	   /*
+	    * Multi-word UTF-16 char...
+	    */
+
+            int lch;			/* Lower word */
+
+
+            if (!(*s)[1])
+	      return (EOF);
+
+            lch = (((*s)[1] & 255) << 8) | ((*s)[0] & 255);
+	    (*s) += 2;
+
+            if (lch < 0xdc00 || lch >= 0xdfff)
+	      return (EOF);
+
+            ch = (((ch & 0x3ff) << 10) | (lch & 0x3ff)) + 0x10000;
+	  }
+
+#if DEBUG > 1
+          printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch);
+#endif /* DEBUG > 1 */
+
+	  return (ch);
+    }
+  }
+
+  return (EOF);
+}
+
+
+/*
+ * 'mxml_string_putc()' - Write a character to a string.
+ */
+
+static int				/* O - 0 on success, -1 on failure */
+mxml_string_putc(int  ch,		/* I - Character to write */
+                 void *p)		/* I - Pointer to string pointers */
+{
+  char	**pp;				/* Pointer to string pointers */
+
+
+  pp = (char **)p;
+
+  if (pp[0] < pp[1])
+    pp[0][0] = ch;
+
+  pp[0] ++;
+
+  return (0);
+}
+
+
+/*
+ * 'mxml_write_name()' - Write a name string.
+ */
+
+static int				/* O - 0 on success, -1 on failure */
+mxml_write_name(const char *s,		/* I - Name to write */
+                void       *p,		/* I - Write pointer */
+		int        (*putc_cb)(int, void *))
+					/* I - Write callback */
+{
+  char		quote;			/* Quote character */
+  const char	*name;			/* Entity name */
+
+
+  if (*s == '\"' || *s == '\'')
+  {
+   /*
+    * Write a quoted name string...
+    */
+
+    if ((*putc_cb)(*s, p) < 0)
+      return (-1);
+
+    quote = *s++;
+
+    while (*s && *s != quote)
+    {
+      if ((name = mxmlEntityGetName(*s)) != NULL)
+      {
+	if ((*putc_cb)('&', p) < 0)
+          return (-1);
+
+        while (*name)
+	{
+	  if ((*putc_cb)(*name, p) < 0)
+            return (-1);
+
+          name ++;
+	}
+
+	if ((*putc_cb)(';', p) < 0)
+          return (-1);
+      }
+      else if ((*putc_cb)(*s, p) < 0)
+	return (-1);
+
+      s ++;
+    }
+
+   /*
+    * Write the end quote...
+    */
+
+    if ((*putc_cb)(quote, p) < 0)
+      return (-1);
+  }
+  else
+  {
+   /*
+    * Write a non-quoted name string...
+    */
+
+    while (*s)
+    {
+      if ((*putc_cb)(*s, p) < 0)
+	return (-1);
+
+      s ++;
+    }
+  }
+
+  return (0);
+}
+
+
+/*
+ * 'mxml_write_node()' - Save an XML node to a file.
+ */
+
+static int				/* O - Column or -1 on error */
+mxml_write_node(mxml_node_t     *node,	/* I - Node to write */
+                void            *p,	/* I - File to write to */
+	        mxml_save_cb_t  cb,	/* I - Whitespace callback */
+		int             col,	/* I - Current column */
+		_mxml_putc_cb_t putc_cb,/* I - Output callback */
+		_mxml_global_t  *global)/* I - Global data */
+{
+  int		i,			/* Looping var */
+		width;			/* Width of attr + value */
+  mxml_attr_t	*attr;			/* Current attribute */
+  char		s[255];			/* Temporary string */
+
+
+ /*
+  * Print the node value...
+  */
+
+  switch (node->type)
+  {
+    case MXML_ELEMENT :
+	col = mxml_write_ws(node, p, cb, MXML_WS_BEFORE_OPEN, col, putc_cb);
+
+	if ((*putc_cb)('<', p) < 0)
+	  return (-1);
+	if (node->value.element.name[0] == '?' ||
+	    !strncmp(node->value.element.name, "!--", 3) ||
+	    !strncmp(node->value.element.name, "![CDATA[", 8))
+	{
+	 /*
+	  * Comments, CDATA, and processing instructions do not
+	  * use character entities.
+	  */
+
+	  const char	*ptr;		/* Pointer into name */
+
+
+	  for (ptr = node->value.element.name; *ptr; ptr ++)
+	    if ((*putc_cb)(*ptr, p) < 0)
+	      return (-1);
+	}
+	else if (mxml_write_name(node->value.element.name, p, putc_cb) < 0)
+	  return (-1);
+
+	col += strlen(node->value.element.name) + 1;
+
+	for (i = node->value.element.num_attrs, attr = node->value.element.attrs;
+	     i > 0;
+	     i --, attr ++)
+	{
+	  width = strlen(attr->name);
+
+	  if (attr->value)
+	    width += strlen(attr->value) + 3;
+
+	  if (global->wrap > 0 && (col + width) > global->wrap)
+	  {
+	    if ((*putc_cb)('\n', p) < 0)
+	      return (-1);
+
+	    col = 0;
+	  }
+	  else
+	  {
+	    if ((*putc_cb)(' ', p) < 0)
+	      return (-1);
+
+	    col ++;
+	  }
+
+	  if (mxml_write_name(attr->name, p, putc_cb) < 0)
+	    return (-1);
+
+	  if (attr->value)
+	  {
+	    if ((*putc_cb)('=', p) < 0)
+	      return (-1);
+	    if ((*putc_cb)('\"', p) < 0)
+	      return (-1);
+	    if (mxml_write_string(attr->value, p, putc_cb) < 0)
+	      return (-1);
+	    if ((*putc_cb)('\"', p) < 0)
+	      return (-1);
+	  }
+
+	  col += width;
+	}
+
+	if (node->child)
+	{
+	 /*
+	  * Write children...
+	  */
+
+	  mxml_node_t *child;		/* Current child */
+
+
+	  if ((*putc_cb)('>', p) < 0)
+	    return (-1);
+	  else
+	    col ++;
+
+	  col = mxml_write_ws(node, p, cb, MXML_WS_AFTER_OPEN, col, putc_cb);
+
+          for (child = node->child; child; child = child->next)
+	  {
+	    if ((col = mxml_write_node(child, p, cb, col, putc_cb, global)) < 0)
+	      return (-1);
+	  }
+
+	 /*
+	  * The ? and ! elements are special-cases and have no end tags...
+	  */
+
+	  if (node->value.element.name[0] != '!' &&
+	      node->value.element.name[0] != '?')
+	  {
+	    col = mxml_write_ws(node, p, cb, MXML_WS_BEFORE_CLOSE, col, putc_cb);
+
+	    if ((*putc_cb)('<', p) < 0)
+	      return (-1);
+	    if ((*putc_cb)('/', p) < 0)
+	      return (-1);
+	    if (mxml_write_string(node->value.element.name, p, putc_cb) < 0)
+	      return (-1);
+	    if ((*putc_cb)('>', p) < 0)
+	      return (-1);
+
+	    col += strlen(node->value.element.name) + 3;
+
+	    col = mxml_write_ws(node, p, cb, MXML_WS_AFTER_CLOSE, col, putc_cb);
+	  }
+	}
+	else if (node->value.element.name[0] == '!' ||
+		 node->value.element.name[0] == '?')
+	{
+	 /*
+	  * The ? and ! elements are special-cases...
+	  */
+
+	  if ((*putc_cb)('>', p) < 0)
+	    return (-1);
+	  else
+	    col ++;
+
+	  col = mxml_write_ws(node, p, cb, MXML_WS_AFTER_OPEN, col, putc_cb);
+	}
+	else
+	{
+	  if ((*putc_cb)(' ', p) < 0)
+	    return (-1);
+	  if ((*putc_cb)('/', p) < 0)
+	    return (-1);
+	  if ((*putc_cb)('>', p) < 0)
+	    return (-1);
+
+	  col += 3;
+
+	  col = mxml_write_ws(node, p, cb, MXML_WS_AFTER_OPEN, col, putc_cb);
+	}
+	break;
+
+    case MXML_INTEGER :
+	if (node->prev)
+	{
+	  if (global->wrap > 0 && col > global->wrap)
+	  {
+	    if ((*putc_cb)('\n', p) < 0)
+	      return (-1);
+
+	    col = 0;
+	  }
+	  else if ((*putc_cb)(' ', p) < 0)
+	    return (-1);
+	  else
+	    col ++;
+	}
+
+	sprintf(s, "%d", node->value.integer);
+	if (mxml_write_string(s, p, putc_cb) < 0)
+	  return (-1);
+
+	col += strlen(s);
+	break;
+
+    case MXML_OPAQUE :
+	if (mxml_write_string(node->value.opaque, p, putc_cb) < 0)
+	  return (-1);
+
+	col += strlen(node->value.opaque);
+	break;
+
+    case MXML_REAL :
+	if (node->prev)
+	{
+	  if (global->wrap > 0 && col > global->wrap)
+	  {
+	    if ((*putc_cb)('\n', p) < 0)
+	      return (-1);
+
+	    col = 0;
+	  }
+	  else if ((*putc_cb)(' ', p) < 0)
+	    return (-1);
+	  else
+	    col ++;
+	}
+
+	sprintf(s, "%f", node->value.real);
+	if (mxml_write_string(s, p, putc_cb) < 0)
+	  return (-1);
+
+	col += strlen(s);
+	break;
+
+    case MXML_TEXT :
+	if (node->value.text.whitespace && col > 0)
+	{
+	  if (global->wrap > 0 && col > global->wrap)
+	  {
+	    if ((*putc_cb)('\n', p) < 0)
+	      return (-1);
+
+	    col = 0;
+	  }
+	  else if ((*putc_cb)(' ', p) < 0)
+	    return (-1);
+	  else
+	    col ++;
+	}
+
+	if (mxml_write_string(node->value.text.string, p, putc_cb) < 0)
+	  return (-1);
+
+	col += strlen(node->value.text.string);
+	break;
+
+    case MXML_CUSTOM :
+	if (global->custom_save_cb)
+	{
+	  char	*data;		/* Custom data string */
+	  const char	*newline;	/* Last newline in string */
+
+
+	  if ((data = (*global->custom_save_cb)(node)) == NULL)
+	    return (-1);
+
+	  if (mxml_write_string(data, p, putc_cb) < 0)
+	    return (-1);
+
+	  if ((newline = strrchr(data, '\n')) == NULL)
+	    col += strlen(data);
+	  else
+	    col = strlen(newline);
+
+	  free(data);
+	  break;
+	}
+
+    default : /* Should never happen */
+	return (-1);
+  }
+
+  return (col);
+}
+
+
+/*
+ * 'mxml_write_string()' - Write a string, escaping & and < as needed.
+ */
+
+static int				/* O - 0 on success, -1 on failure */
+mxml_write_string(
+    const char      *s,			/* I - String to write */
+    void            *p,			/* I - Write pointer */
+    _mxml_putc_cb_t putc_cb)		/* I - Write callback */
+{
+  const char	*name;			/* Entity name, if any */
+
+
+  while (*s)
+  {
+    if ((name = mxmlEntityGetName(*s)) != NULL)
+    {
+      if ((*putc_cb)('&', p) < 0)
+        return (-1);
+
+      while (*name)
+      {
+	if ((*putc_cb)(*name, p) < 0)
+          return (-1);
+        name ++;
+      }
+
+      if ((*putc_cb)(';', p) < 0)
+        return (-1);
+    }
+    else if ((*putc_cb)(*s, p) < 0)
+      return (-1);
+
+    s ++;
+  }
+
+  return (0);
+}
+
+
+/*
+ * 'mxml_write_ws()' - Do whitespace callback...
+ */
+
+static int				/* O - New column */
+mxml_write_ws(mxml_node_t     *node,	/* I - Current node */
+              void            *p,	/* I - Write pointer */
+              mxml_save_cb_t  cb,	/* I - Callback function */
+	      int             ws,	/* I - Where value */
+	      int             col,	/* I - Current column */
+              _mxml_putc_cb_t putc_cb)	/* I - Write callback */
+{
+  const char	*s;			/* Whitespace string */
+
+
+  if (cb && (s = (*cb)(node, ws)) != NULL)
+  {
+    while (*s)
+    {
+      if ((*putc_cb)(*s, p) < 0)
+	return (-1);
+      else if (*s == '\n')
+	col = 0;
+      else if (*s == '\t')
+      {
+	col += MXML_TAB;
+	col = col - (col % MXML_TAB);
+      }
+      else
+	col ++;
+
+      s ++;
+    }
+  }
+
+  return (col);
+}
+
+
+/*
+ * End of "$Id: mxml-file.c 438 2011-03-24 05:47:51Z mike $".
+ */
diff --git a/tools/gator/daemon/mxml/mxml-get.c b/tools/gator/daemon/mxml/mxml-get.c
new file mode 100644
index 00000000000..a5356d57e18
--- /dev/null
+++ b/tools/gator/daemon/mxml/mxml-get.c
@@ -0,0 +1,471 @@
+/*
+ * "$Id: mxml-get.c 427 2011-01-03 02:03:29Z mike $"
+ *
+ * Node get functions for Mini-XML, a small XML-like file parsing library.
+ *
+ * Copyright 2011 by Michael R Sweet.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Michael R Sweet and are protected by Federal copyright
+ * law.  Distribution and use rights are outlined in the file "COPYING"
+ * which should have been included with this file.  If this file is
+ * missing or damaged, see the license at:
+ *
+ *     http://www.minixml.org/
+ *
+ * Contents:
+ *
+ *   mxmlGetCDATA()       - Get the value for a CDATA node.
+ *   mxmlGetCustom()      - Get the value for a custom node.
+ *   mxmlGetElement()     - Get the name for an element node.
+ *   mxmlGetFirstChild()  - Get the first child of an element node.
+ *   mxmlGetInteger()     - Get the integer value from the specified node or its
+ *                          first child.
+ *   mxmlGetLastChild()   - Get the last child of an element node.
+ *   mxmlGetNextSibling() - Get the next node for the current parent.
+ *   mxmlGetOpaque()      - Get an opaque string value for a node or its first
+ *                          child.
+ *   mxmlGetParent()      - Get the parent node.
+ *   mxmlGetPrevSibling() - Get the previous node for the current parent.
+ *   mxmlGetReal()        - Get the real value for a node or its first child.
+ *   mxmlGetText()        - Get the text value for a node or its first child.
+ *   mxmlGetType()        - Get the node type.
+ *   mxmlGetUserData()    - Get the user data pointer for a node.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "config.h"
+#include "mxml.h"
+
+
+/*
+ * 'mxmlGetCDATA()' - Get the value for a CDATA node.
+ *
+ * @code NULL@ is returned if the node is not a CDATA element.
+ *
+ * @since Mini-XML 2.7@
+ */
+
+const char *				/* O - CDATA value or NULL */
+mxmlGetCDATA(mxml_node_t *node)		/* I - Node to get */
+{
+ /*
+  * Range check input...
+  */
+
+  if (!node || node->type != MXML_ELEMENT ||
+      strncmp(node->value.element.name, "![CDATA[", 8))
+    return (NULL);
+
+ /*
+  * Return the text following the CDATA declaration...
+  */
+
+  return (node->value.element.name + 8);
+}
+
+
+/*
+ * 'mxmlGetCustom()' - Get the value for a custom node.
+ *
+ * @code NULL@ is returned if the node (or its first child) is not a custom
+ * value node.
+ *
+ * @since Mini-XML 2.7@
+ */
+
+const void *				/* O - Custom value or NULL */
+mxmlGetCustom(mxml_node_t *node)	/* I - Node to get */
+{
+ /*
+  * Range check input...
+  */
+
+  if (!node)
+    return (NULL);
+
+ /*
+  * Return the integer value...
+  */
+
+  if (node->type == MXML_CUSTOM)
+    return (node->value.custom.data);
+  else if (node->type == MXML_ELEMENT &&
+           node->child &&
+	   node->child->type == MXML_CUSTOM)
+    return (node->child->value.custom.data);
+  else
+    return (NULL);
+}
+
+
+/*
+ * 'mxmlGetElement()' - Get the name for an element node.
+ *
+ * @code NULL@ is returned if the node is not an element node.
+ *
+ * @since Mini-XML 2.7@
+ */
+
+const char *				/* O - Element name or NULL */
+mxmlGetElement(mxml_node_t *node)	/* I - Node to get */
+{
+ /*
+  * Range check input...
+  */
+
+  if (!node || node->type != MXML_ELEMENT)
+    return (NULL);
+
+ /*
+  * Return the element name...
+  */
+
+  return (node->value.element.name);
+}
+
+
+/*
+ * 'mxmlGetFirstChild()' - Get the first child of an element node.
+ *
+ * @code NULL@ is returned if the node is not an element node or if the node
+ * has no children.
+ *
+ * @since Mini-XML 2.7@
+ */
+
+mxml_node_t *				/* O - First child or NULL */
+mxmlGetFirstChild(mxml_node_t *node)	/* I - Node to get */
+{
+ /*
+  * Range check input...
+  */
+
+  if (!node || node->type != MXML_ELEMENT)
+    return (NULL);
+
+ /*
+  * Return the first child node...
+  */
+
+  return (node->child);
+}
+
+
+/*
+ * 'mxmlGetInteger()' - Get the integer value from the specified node or its
+ *                      first child.
+ *
+ * 0 is returned if the node (or its first child) is not an integer value node.
+ *
+ * @since Mini-XML 2.7@
+ */
+
+int					/* O - Integer value or 0 */
+mxmlGetInteger(mxml_node_t *node)	/* I - Node to get */
+{
+ /*
+  * Range check input...
+  */
+
+  if (!node)
+    return (0);
+
+ /*
+  * Return the integer value...
+  */
+
+  if (node->type == MXML_INTEGER)
+    return (node->value.integer);
+  else if (node->type == MXML_ELEMENT &&
+           node->child &&
+	   node->child->type == MXML_INTEGER)
+    return (node->child->value.integer);
+  else
+    return (0);
+}
+
+
+/*
+ * 'mxmlGetLastChild()' - Get the last child of an element node.
+ *
+ * @code NULL@ is returned if the node is not an element node or if the node
+ * has no children.
+ *
+ * @since Mini-XML 2.7@
+ */
+
+mxml_node_t *				/* O - Last child or NULL */
+mxmlGetLastChild(mxml_node_t *node)	/* I - Node to get */
+{
+ /*
+  * Range check input...
+  */
+
+  if (!node || node->type != MXML_ELEMENT)
+    return (NULL);
+
+ /*
+  * Return the node type...
+  */
+
+  return (node->last_child);
+}
+
+
+/*
+ * 'mxmlGetNextSibling()' - Get the next node for the current parent.
+ *
+ * @code NULL@ is returned if this is the last child for the current parent.
+ *
+ * @since Mini-XML 2.7@
+ */
+
+mxml_node_t *
+mxmlGetNextSibling(mxml_node_t *node)	/* I - Node to get */
+{
+ /*
+  * Range check input...
+  */
+
+  if (!node)
+    return (NULL);
+
+ /*
+  * Return the node type...
+  */
+
+  return (node->next);
+}
+
+
+/*
+ * 'mxmlGetOpaque()' - Get an opaque string value for a node or its first child.
+ *
+ * @code NULL@ is returned if the node (or its first child) is not an opaque
+ * value node.
+ *
+ * @since Mini-XML 2.7@
+ */
+
+const char *				/* O - Opaque string or NULL */
+mxmlGetOpaque(mxml_node_t *node)	/* I - Node to get */
+{
+ /*
+  * Range check input...
+  */
+
+  if (!node)
+    return (NULL);
+
+ /*
+  * Return the integer value...
+  */
+
+  if (node->type == MXML_OPAQUE)
+    return (node->value.opaque);
+  else if (node->type == MXML_ELEMENT &&
+           node->child &&
+	   node->child->type == MXML_OPAQUE)
+    return (node->child->value.opaque);
+  else
+    return (NULL);
+}
+
+
+/*
+ * 'mxmlGetParent()' - Get the parent node.
+ *
+ * @code NULL@ is returned for a root node.
+ *
+ * @since Mini-XML 2.7@
+ */
+
+mxml_node_t *				/* O - Parent node or NULL */
+mxmlGetParent(mxml_node_t *node)	/* I - Node to get */
+{
+ /*
+  * Range check input...
+  */
+
+  if (!node)
+    return (NULL);
+
+ /*
+  * Return the node type...
+  */
+
+  return (node->parent);
+}
+
+
+/*
+ * 'mxmlGetPrevSibling()' - Get the previous node for the current parent.
+ *
+ * @code NULL@ is returned if this is the first child for the current parent.
+ *
+ * @since Mini-XML 2.7@
+ */
+
+mxml_node_t *				/* O - Previous node or NULL */
+mxmlGetPrevSibling(mxml_node_t *node)	/* I - Node to get */
+{
+ /*
+  * Range check input...
+  */
+
+  if (!node)
+    return (NULL);
+
+ /*
+  * Return the node type...
+  */
+
+  return (node->prev);
+}
+
+
+/*
+ * 'mxmlGetReal()' - Get the real value for a node or its first child.
+ *
+ * 0.0 is returned if the node (or its first child) is not a real value node.
+ *
+ * @since Mini-XML 2.7@
+ */
+
+double					/* O - Real value or 0.0 */
+mxmlGetReal(mxml_node_t *node)		/* I - Node to get */
+{
+ /*
+  * Range check input...
+  */
+
+  if (!node)
+    return (0.0);
+
+ /*
+  * Return the integer value...
+  */
+
+  if (node->type == MXML_REAL)
+    return (node->value.real);
+  else if (node->type == MXML_ELEMENT &&
+           node->child &&
+	   node->child->type == MXML_REAL)
+    return (node->child->value.real);
+  else
+    return (0.0);
+}
+
+
+/*
+ * 'mxmlGetText()' - Get the text value for a node or its first child.
+ *
+ * @code NULL@ is returned if the node (or its first child) is not a text node.
+ * The "whitespace" argument can be NULL.
+ *
+ * @since Mini-XML 2.7@
+ */
+
+const char *				/* O - Text string or NULL */
+mxmlGetText(mxml_node_t *node,		/* I - Node to get */
+            int         *whitespace)	/* O - 1 if string is preceded by whitespace, 0 otherwise */
+{
+ /*
+  * Range check input...
+  */
+
+  if (!node)
+  {
+    if (whitespace)
+      *whitespace = 0;
+
+    return (NULL);
+  }
+
+ /*
+  * Return the integer value...
+  */
+
+  if (node->type == MXML_TEXT)
+  {
+    if (whitespace)
+      *whitespace = node->value.text.whitespace;
+
+    return (node->value.text.string);
+  }
+  else if (node->type == MXML_ELEMENT &&
+           node->child &&
+	   node->child->type == MXML_TEXT)
+  {
+    if (whitespace)
+      *whitespace = node->child->value.text.whitespace;
+
+    return (node->child->value.text.string);
+  }
+  else
+  {
+    if (whitespace)
+      *whitespace = 0;
+
+    return (NULL);
+  }
+}
+
+
+/*
+ * 'mxmlGetType()' - Get the node type.
+ *
+ * @code MXML_IGNORE@ is returned if "node" is @code NULL@.
+ *
+ * @since Mini-XML 2.7@
+ */
+
+mxml_type_t				/* O - Type of node */
+mxmlGetType(mxml_node_t *node)		/* I - Node to get */
+{
+ /*
+  * Range check input...
+  */
+
+  if (!node)
+    return (MXML_IGNORE);
+
+ /*
+  * Return the node type...
+  */
+
+  return (node->type);
+}
+
+
+/*
+ * 'mxmlGetUserData()' - Get the user data pointer for a node.
+ *
+ * @since Mini-XML 2.7@
+ */
+
+void *					/* O - User data pointer */
+mxmlGetUserData(mxml_node_t *node)	/* I - Node to get */
+{
+ /*
+  * Range check input...
+  */
+
+  if (!node)
+    return (NULL);
+
+ /*
+  * Return the user data pointer...
+  */
+
+  return (node->user_data);
+}
+
+
+/*
+ * End of "$Id: mxml-get.c 427 2011-01-03 02:03:29Z mike $".
+ */
diff --git a/tools/gator/daemon/mxml/mxml-index.c b/tools/gator/daemon/mxml/mxml-index.c
new file mode 100644
index 00000000000..b6efc66f055
--- /dev/null
+++ b/tools/gator/daemon/mxml/mxml-index.c
@@ -0,0 +1,662 @@
+/*
+ * "$Id: mxml-index.c 426 2011-01-01 23:42:17Z mike $"
+ *
+ * Index support code for Mini-XML, a small XML-like file parsing library.
+ *
+ * Copyright 2003-2011 by Michael R Sweet.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Michael R Sweet and are protected by Federal copyright
+ * law.  Distribution and use rights are outlined in the file "COPYING"
+ * which should have been included with this file.  If this file is
+ * missing or damaged, see the license at:
+ *
+ *     http://www.minixml.org/
+ *
+ * Contents:
+ *
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "config.h"
+#include "mxml.h"
+
+
+/*
+ * Sort functions...
+ */
+
+static int	index_compare(mxml_index_t *ind, mxml_node_t *first,
+		              mxml_node_t *second);
+static int	index_find(mxml_index_t *ind, const char *element,
+		           const char *value, mxml_node_t *node);
+static void	index_sort(mxml_index_t *ind, int left, int right);
+
+
+/*
+ * 'mxmlIndexDelete()' - Delete an index.
+ */
+
+void
+mxmlIndexDelete(mxml_index_t *ind)	/* I - Index to delete */
+{
+ /*
+  * Range check input..
+  */
+
+  if (!ind)
+    return;
+
+ /*
+  * Free memory...
+  */
+
+  if (ind->attr)
+    free(ind->attr);
+
+  if (ind->alloc_nodes)
+    free(ind->nodes);
+
+  free(ind);
+}
+
+
+/*
+ * 'mxmlIndexEnum()' - Return the next node in the index.
+ *
+ * Nodes are returned in the sorted order of the index.
+ */
+
+mxml_node_t *				/* O - Next node or NULL if there is none */
+mxmlIndexEnum(mxml_index_t *ind)	/* I - Index to enumerate */
+{
+ /*
+  * Range check input...
+  */
+
+  if (!ind)
+    return (NULL);
+
+ /*
+  * Return the next node...
+  */
+
+  if (ind->cur_node < ind->num_nodes)
+    return (ind->nodes[ind->cur_node ++]);
+  else
+    return (NULL);
+}
+
+
+/*
+ * 'mxmlIndexFind()' - Find the next matching node.
+ *
+ * You should call mxmlIndexReset() prior to using this function for
+ * the first time with a particular set of "element" and "value"
+ * strings. Passing NULL for both "element" and "value" is equivalent
+ * to calling mxmlIndexEnum().
+ */
+
+mxml_node_t *				/* O - Node or NULL if none found */
+mxmlIndexFind(mxml_index_t *ind,	/* I - Index to search */
+              const char   *element,	/* I - Element name to find, if any */
+	      const char   *value)	/* I - Attribute value, if any */
+{
+  int		diff,			/* Difference between names */
+		current,		/* Current entity in search */
+		first,			/* First entity in search */
+		last;			/* Last entity in search */
+
+
+#ifdef DEBUG
+  printf("mxmlIndexFind(ind=%p, element=\"%s\", value=\"%s\")\n",
+         ind, element ? element : "(null)", value ? value : "(null)");
+#endif /* DEBUG */
+
+ /*
+  * Range check input...
+  */
+
+  if (!ind || (!ind->attr && value))
+  {
+#ifdef DEBUG
+    puts("    returning NULL...");
+    printf("    ind->attr=\"%s\"\n", ind->attr ? ind->attr : "(null)");
+#endif /* DEBUG */
+
+    return (NULL);
+  }
+
+ /*
+  * If both element and value are NULL, just enumerate the nodes in the
+  * index...
+  */
+
+  if (!element && !value)
+    return (mxmlIndexEnum(ind));
+
+ /*
+  * If there are no nodes in the index, return NULL...
+  */
+
+  if (!ind->num_nodes)
+  {
+#ifdef DEBUG
+    puts("    returning NULL...");
+    puts("    no nodes!");
+#endif /* DEBUG */
+
+    return (NULL);
+  }
+
+ /*
+  * If cur_node == 0, then find the first matching node...
+  */
+
+  if (ind->cur_node == 0)
+  {
+   /*
+    * Find the first node using a modified binary search algorithm...
+    */
+
+    first = 0;
+    last  = ind->num_nodes - 1;
+
+#ifdef DEBUG
+    printf("    find first time, num_nodes=%d...\n", ind->num_nodes);
+#endif /* DEBUG */
+
+    while ((last - first) > 1)
+    {
+      current = (first + last) / 2;
+
+#ifdef DEBUG
+      printf("    first=%d, last=%d, current=%d\n", first, last, current);
+#endif /* DEBUG */
+
+      if ((diff = index_find(ind, element, value, ind->nodes[current])) == 0)
+      {
+       /*
+        * Found a match, move back to find the first...
+	*/
+
+#ifdef DEBUG
+        puts("    match!");
+#endif /* DEBUG */
+
+        while (current > 0 &&
+	       !index_find(ind, element, value, ind->nodes[current - 1]))
+	  current --;
+
+#ifdef DEBUG
+        printf("    returning first match=%d\n", current);
+#endif /* DEBUG */
+
+       /*
+        * Return the first match and save the index to the next...
+	*/
+
+        ind->cur_node = current + 1;
+
+	return (ind->nodes[current]);
+      }
+      else if (diff < 0)
+	last = current;
+      else
+	first = current;
+
+#ifdef DEBUG
+      printf("    diff=%d\n", diff);
+#endif /* DEBUG */
+    }
+
+   /*
+    * If we get this far, then we found exactly 0 or 1 matches...
+    */
+
+    for (current = first; current <= last; current ++)
+      if (!index_find(ind, element, value, ind->nodes[current]))
+      {
+       /*
+	* Found exactly one (or possibly two) match...
+	*/
+
+#ifdef DEBUG
+	printf("    returning only match %d...\n", current);
+#endif /* DEBUG */
+
+	ind->cur_node = current + 1;
+
+	return (ind->nodes[current]);
+      }
+
+   /*
+    * No matches...
+    */
+
+    ind->cur_node = ind->num_nodes;
+
+#ifdef DEBUG
+    puts("    returning NULL...");
+#endif /* DEBUG */
+
+    return (NULL);
+  }
+  else if (ind->cur_node < ind->num_nodes &&
+           !index_find(ind, element, value, ind->nodes[ind->cur_node]))
+  {
+   /*
+    * Return the next matching node...
+    */
+
+#ifdef DEBUG
+    printf("    returning next match %d...\n", ind->cur_node);
+#endif /* DEBUG */
+
+    return (ind->nodes[ind->cur_node ++]);
+  }
+
+ /*
+  * If we get this far, then we have no matches...
+  */
+
+  ind->cur_node = ind->num_nodes;
+
+#ifdef DEBUG
+  puts("    returning NULL...");
+#endif /* DEBUG */
+
+  return (NULL);
+}
+
+
+/*
+ * 'mxmlIndexGetCount()' - Get the number of nodes in an index.
+ *
+ * @since Mini-XML 2.7@
+ */
+
+int					/* I - Number of nodes in index */
+mxmlIndexGetCount(mxml_index_t *ind)	/* I - Index of nodes */
+{
+ /*
+  * Range check input...
+  */
+
+  if (!ind)
+    return (0);
+
+ /*
+  * Return the number of nodes in the index...
+  */
+
+  return (ind->num_nodes);
+}
+
+
+/*
+ * 'mxmlIndexNew()' - Create a new index.
+ *
+ * The index will contain all nodes that contain the named element and/or
+ * attribute. If both "element" and "attr" are NULL, then the index will
+ * contain a sorted list of the elements in the node tree.  Nodes are
+ * sorted by element name and optionally by attribute value if the "attr"
+ * argument is not NULL.
+ */
+
+mxml_index_t *				/* O - New index */
+mxmlIndexNew(mxml_node_t *node,		/* I - XML node tree */
+             const char  *element,	/* I - Element to index or NULL for all */
+             const char  *attr)		/* I - Attribute to index or NULL for none */
+{
+  mxml_index_t	*ind;			/* New index */
+  mxml_node_t	*current,		/* Current node in index */
+  		**temp;			/* Temporary node pointer array */
+
+
+ /*
+  * Range check input...
+  */
+
+#ifdef DEBUG
+  printf("mxmlIndexNew(node=%p, element=\"%s\", attr=\"%s\")\n",
+         node, element ? element : "(null)", attr ? attr : "(null)");
+#endif /* DEBUG */
+
+  if (!node)
+    return (NULL);
+
+ /*
+  * Create a new index...
+  */
+
+  if ((ind = calloc(1, sizeof(mxml_index_t))) == NULL)
+  {
+    mxml_error("Unable to allocate %d bytes for index - %s",
+               sizeof(mxml_index_t), strerror(errno));
+    return (NULL);
+  }
+
+  if (attr)
+    ind->attr = strdup(attr);
+
+  if (!element && !attr)
+    current = node;
+  else
+    current = mxmlFindElement(node, node, element, attr, NULL, MXML_DESCEND);
+
+  while (current)
+  {
+    if (ind->num_nodes >= ind->alloc_nodes)
+    {
+      if (!ind->alloc_nodes)
+        temp = malloc(64 * sizeof(mxml_node_t *));
+      else
+        temp = realloc(ind->nodes, (ind->alloc_nodes + 64) * sizeof(mxml_node_t *));
+
+      if (!temp)
+      {
+       /*
+        * Unable to allocate memory for the index, so abort...
+	*/
+
+        mxml_error("Unable to allocate %d bytes for index: %s",
+	           (ind->alloc_nodes + 64) * sizeof(mxml_node_t *),
+		   strerror(errno));
+
+        mxmlIndexDelete(ind);
+	return (NULL);
+      }
+
+      ind->nodes       = temp;
+      ind->alloc_nodes += 64;
+    }
+
+    ind->nodes[ind->num_nodes ++] = current;
+
+    current = mxmlFindElement(current, node, element, attr, NULL, MXML_DESCEND);
+  }
+
+ /*
+  * Sort nodes based upon the search criteria...
+  */
+
+#ifdef DEBUG
+  {
+    int i;				/* Looping var */
+
+
+    printf("%d node(s) in index.\n\n", ind->num_nodes);
+
+    if (attr)
+    {
+      printf("Node      Address   Element         %s\n", attr);
+      puts("--------  --------  --------------  ------------------------------");
+
+      for (i = 0; i < ind->num_nodes; i ++)
+	printf("%8d  %-8p  %-14.14s  %s\n", i, ind->nodes[i],
+	       ind->nodes[i]->value.element.name,
+	       mxmlElementGetAttr(ind->nodes[i], attr));
+    }
+    else
+    {
+      puts("Node      Address   Element");
+      puts("--------  --------  --------------");
+
+      for (i = 0; i < ind->num_nodes; i ++)
+	printf("%8d  %-8p  %s\n", i, ind->nodes[i],
+	       ind->nodes[i]->value.element.name);
+    }
+
+    putchar('\n');
+  }
+#endif /* DEBUG */
+
+  if (ind->num_nodes > 1)
+    index_sort(ind, 0, ind->num_nodes - 1);
+
+#ifdef DEBUG
+  {
+    int i;				/* Looping var */
+
+
+    puts("After sorting:\n");
+
+    if (attr)
+    {
+      printf("Node      Address   Element         %s\n", attr);
+      puts("--------  --------  --------------  ------------------------------");
+
+      for (i = 0; i < ind->num_nodes; i ++)
+	printf("%8d  %-8p  %-14.14s  %s\n", i, ind->nodes[i],
+	       ind->nodes[i]->value.element.name,
+	       mxmlElementGetAttr(ind->nodes[i], attr));
+    }
+    else
+    {
+      puts("Node      Address   Element");
+      puts("--------  --------  --------------");
+
+      for (i = 0; i < ind->num_nodes; i ++)
+	printf("%8d  %-8p  %s\n", i, ind->nodes[i],
+	       ind->nodes[i]->value.element.name);
+    }
+
+    putchar('\n');
+  }
+#endif /* DEBUG */
+
+ /*
+  * Return the new index...
+  */
+
+  return (ind);
+}
+
+
+/*
+ * 'mxmlIndexReset()' - Reset the enumeration/find pointer in the index and
+ *                      return the first node in the index.
+ *
+ * This function should be called prior to using mxmlIndexEnum() or
+ * mxmlIndexFind() for the first time.
+ */
+
+mxml_node_t *				/* O - First node or NULL if there is none */
+mxmlIndexReset(mxml_index_t *ind)	/* I - Index to reset */
+{
+#ifdef DEBUG
+  printf("mxmlIndexReset(ind=%p)\n", ind);
+#endif /* DEBUG */
+
+ /*
+  * Range check input...
+  */
+
+  if (!ind)
+    return (NULL);
+
+ /*
+  * Set the index to the first element...
+  */
+
+  ind->cur_node = 0;
+
+ /*
+  * Return the first node...
+  */
+
+  if (ind->num_nodes)
+    return (ind->nodes[0]);
+  else
+    return (NULL);
+}
+
+
+/*
+ * 'index_compare()' - Compare two nodes.
+ */
+
+static int				/* O - Result of comparison */
+index_compare(mxml_index_t *ind,	/* I - Index */
+              mxml_node_t  *first,	/* I - First node */
+              mxml_node_t  *second)	/* I - Second node */
+{
+  int	diff;				/* Difference */
+
+
+ /*
+  * Check the element name...
+  */
+
+  if ((diff = strcmp(first->value.element.name,
+                     second->value.element.name)) != 0)
+    return (diff);
+
+ /*
+  * Check the attribute value...
+  */
+
+  if (ind->attr)
+  {
+    if ((diff = strcmp(mxmlElementGetAttr(first, ind->attr),
+                       mxmlElementGetAttr(second, ind->attr))) != 0)
+      return (diff);
+  }
+
+ /*
+  * No difference, return 0...
+  */
+
+  return (0);
+}
+
+
+/*
+ * 'index_find()' - Compare a node with index values.
+ */
+
+static int				/* O - Result of comparison */
+index_find(mxml_index_t *ind,		/* I - Index */
+           const char   *element,	/* I - Element name or NULL */
+	   const char   *value,		/* I - Attribute value or NULL */
+           mxml_node_t  *node)		/* I - Node */
+{
+  int	diff;				/* Difference */
+
+
+ /*
+  * Check the element name...
+  */
+
+  if (element)
+  {
+    if ((diff = strcmp(element, node->value.element.name)) != 0)
+      return (diff);
+  }
+
+ /*
+  * Check the attribute value...
+  */
+
+  if (value)
+  {
+    if ((diff = strcmp(value, mxmlElementGetAttr(node, ind->attr))) != 0)
+      return (diff);
+  }
+
+ /*
+  * No difference, return 0...
+  */
+
+  return (0);
+}
+
+
+/*
+ * 'index_sort()' - Sort the nodes in the index...
+ *
+ * This function implements the classic quicksort algorithm...
+ */
+
+static void
+index_sort(mxml_index_t *ind,		/* I - Index to sort */
+           int          left,		/* I - Left node in partition */
+	   int          right)		/* I - Right node in partition */
+{
+  mxml_node_t	*pivot,			/* Pivot node */
+		*temp;			/* Swap node */
+  int		templ,			/* Temporary left node */
+		tempr;			/* Temporary right node */
+
+
+ /*
+  * Loop until we have sorted all the way to the right...
+  */
+
+  do
+  {
+   /*
+    * Sort the pivot in the current partition...
+    */
+
+    pivot = ind->nodes[left];
+
+    for (templ = left, tempr = right; templ < tempr;)
+    {
+     /*
+      * Move left while left node <= pivot node...
+      */
+
+      while ((templ < right) &&
+             index_compare(ind, ind->nodes[templ], pivot) <= 0)
+	templ ++;
+
+     /*
+      * Move right while right node > pivot node...
+      */
+
+      while ((tempr > left) &&
+             index_compare(ind, ind->nodes[tempr], pivot) > 0)
+	tempr --;
+
+     /*
+      * Swap nodes if needed...
+      */
+
+      if (templ < tempr)
+      {
+	temp              = ind->nodes[templ];
+	ind->nodes[templ] = ind->nodes[tempr];
+	ind->nodes[tempr] = temp;
+      }
+    }
+
+   /*
+    * When we get here, the right (tempr) node is the new position for the
+    * pivot node...
+    */
+
+    if (index_compare(ind, pivot, ind->nodes[tempr]) > 0)
+    {
+      ind->nodes[left]  = ind->nodes[tempr];
+      ind->nodes[tempr] = pivot;
+    }
+
+   /*
+    * Recursively sort the left partition as needed...
+    */
+
+    if (left < (tempr - 1))
+      index_sort(ind, left, tempr - 1);
+  }
+  while (right > (left = tempr + 1));
+}
+
+
+/*
+ * End of "$Id: mxml-index.c 426 2011-01-01 23:42:17Z mike $".
+ */
diff --git a/tools/gator/daemon/mxml/mxml-node.c b/tools/gator/daemon/mxml/mxml-node.c
new file mode 100644
index 00000000000..44af759f9de
--- /dev/null
+++ b/tools/gator/daemon/mxml/mxml-node.c
@@ -0,0 +1,807 @@
+/*
+ * "$Id: mxml-node.c 436 2011-01-22 01:02:05Z mike $"
+ *
+ * Node support code for Mini-XML, a small XML-like file parsing library.
+ *
+ * Copyright 2003-2011 by Michael R Sweet.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Michael R Sweet and are protected by Federal copyright
+ * law.  Distribution and use rights are outlined in the file "COPYING"
+ * which should have been included with this file.  If this file is
+ * missing or damaged, see the license at:
+ *
+ *     http://www.minixml.org/
+ *
+ * Contents:
+ *
+ *   mxmlAdd()         - Add a node to a tree.
+ *   mxmlDelete()      - Delete a node and all of its children.
+ *   mxmlGetRefCount() - Get the current reference (use) count for a node.
+ *   mxmlNewCDATA()    - Create a new CDATA node.
+ *   mxmlNewCustom()   - Create a new custom data node.
+ *   mxmlNewElement()  - Create a new element node.
+ *   mxmlNewInteger()  - Create a new integer node.
+ *   mxmlNewOpaque()   - Create a new opaque string.
+ *   mxmlNewReal()     - Create a new real number node.
+ *   mxmlNewText()     - Create a new text fragment node.
+ *   mxmlNewTextf()    - Create a new formatted text fragment node.
+ *   mxmlRemove()      - Remove a node from its parent.
+ *   mxmlNewXML()      - Create a new XML document tree.
+ *   mxmlRelease()     - Release a node.
+ *   mxmlRetain()      - Retain a node.
+ *   mxml_new()        - Create a new node.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "config.h"
+#include "mxml.h"
+
+
+/*
+ * Local functions...
+ */
+
+static mxml_node_t	*mxml_new(mxml_node_t *parent, mxml_type_t type);
+
+
+/*
+ * 'mxmlAdd()' - Add a node to a tree.
+ *
+ * Adds the specified node to the parent. If the child argument is not
+ * NULL, puts the new node before or after the specified child depending
+ * on the value of the where argument. If the child argument is NULL,
+ * puts the new node at the beginning of the child list (MXML_ADD_BEFORE)
+ * or at the end of the child list (MXML_ADD_AFTER). The constant
+ * MXML_ADD_TO_PARENT can be used to specify a NULL child pointer.
+ */
+
+void
+mxmlAdd(mxml_node_t *parent,		/* I - Parent node */
+        int         where,		/* I - Where to add, MXML_ADD_BEFORE or MXML_ADD_AFTER */
+        mxml_node_t *child,		/* I - Child node for where or MXML_ADD_TO_PARENT */
+	mxml_node_t *node)		/* I - Node to add */
+{
+#ifdef DEBUG
+  fprintf(stderr, "mxmlAdd(parent=%p, where=%d, child=%p, node=%p)\n", parent,
+          where, child, node);
+#endif /* DEBUG */
+
+ /*
+  * Range check input...
+  */
+
+  if (!parent || !node)
+    return;
+
+#if DEBUG > 1
+  fprintf(stderr, "    BEFORE: node->parent=%p\n", node->parent);
+  if (parent)
+  {
+    fprintf(stderr, "    BEFORE: parent->child=%p\n", parent->child);
+    fprintf(stderr, "    BEFORE: parent->last_child=%p\n", parent->last_child);
+    fprintf(stderr, "    BEFORE: parent->prev=%p\n", parent->prev);
+    fprintf(stderr, "    BEFORE: parent->next=%p\n", parent->next);
+  }
+#endif /* DEBUG > 1 */
+
+ /*
+  * Remove the node from any existing parent...
+  */
+
+  if (node->parent)
+    mxmlRemove(node);
+
+ /*
+  * Reset pointers...
+  */
+
+  node->parent = parent;
+
+  switch (where)
+  {
+    case MXML_ADD_BEFORE :
+        if (!child || child == parent->child || child->parent != parent)
+	{
+	 /*
+	  * Insert as first node under parent...
+	  */
+
+	  node->next = parent->child;
+
+	  if (parent->child)
+	    parent->child->prev = node;
+	  else
+	    parent->last_child = node;
+
+	  parent->child = node;
+	}
+	else
+	{
+	 /*
+	  * Insert node before this child...
+	  */
+
+	  node->next = child;
+	  node->prev = child->prev;
+
+	  if (child->prev)
+	    child->prev->next = node;
+	  else
+	    parent->child = node;
+
+	  child->prev = node;
+	}
+        break;
+
+    case MXML_ADD_AFTER :
+        if (!child || child == parent->last_child || child->parent != parent)
+	{
+	 /*
+	  * Insert as last node under parent...
+	  */
+
+	  node->parent = parent;
+	  node->prev   = parent->last_child;
+
+	  if (parent->last_child)
+	    parent->last_child->next = node;
+	  else
+	    parent->child = node;
+
+	  parent->last_child = node;
+        }
+	else
+	{
+	 /*
+	  * Insert node after this child...
+	  */
+
+	  node->prev = child;
+	  node->next = child->next;
+
+	  if (child->next)
+	    child->next->prev = node;
+	  else
+	    parent->last_child = node;
+
+	  child->next = node;
+	}
+        break;
+  }
+
+#if DEBUG > 1
+  fprintf(stderr, "    AFTER: node->parent=%p\n", node->parent);
+  if (parent)
+  {
+    fprintf(stderr, "    AFTER: parent->child=%p\n", parent->child);
+    fprintf(stderr, "    AFTER: parent->last_child=%p\n", parent->last_child);
+    fprintf(stderr, "    AFTER: parent->prev=%p\n", parent->prev);
+    fprintf(stderr, "    AFTER: parent->next=%p\n", parent->next);
+  }
+#endif /* DEBUG > 1 */
+}
+
+
+/*
+ * 'mxmlDelete()' - Delete a node and all of its children.
+ *
+ * If the specified node has a parent, this function first removes the
+ * node from its parent using the mxmlRemove() function.
+ */
+
+void
+mxmlDelete(mxml_node_t *node)		/* I - Node to delete */
+{
+  int	i;				/* Looping var */
+
+
+#ifdef DEBUG
+  fprintf(stderr, "mxmlDelete(node=%p)\n", node);
+#endif /* DEBUG */
+
+ /*
+  * Range check input...
+  */
+
+  if (!node)
+    return;
+
+ /*
+  * Remove the node from its parent, if any...
+  */
+
+  mxmlRemove(node);
+
+ /*
+  * Delete children...
+  */
+
+  while (node->child)
+    mxmlDelete(node->child);
+
+ /*
+  * Now delete any node data...
+  */
+
+  switch (node->type)
+  {
+    case MXML_ELEMENT :
+        if (node->value.element.name)
+	  free(node->value.element.name);
+
+	if (node->value.element.num_attrs)
+	{
+	  for (i = 0; i < node->value.element.num_attrs; i ++)
+	  {
+	    if (node->value.element.attrs[i].name)
+	      free(node->value.element.attrs[i].name);
+	    if (node->value.element.attrs[i].value)
+	      free(node->value.element.attrs[i].value);
+	  }
+
+          free(node->value.element.attrs);
+	}
+        break;
+    case MXML_INTEGER :
+       /* Nothing to do */
+        break;
+    case MXML_OPAQUE :
+        if (node->value.opaque)
+	  free(node->value.opaque);
+        break;
+    case MXML_REAL :
+       /* Nothing to do */
+        break;
+    case MXML_TEXT :
+        if (node->value.text.string)
+	  free(node->value.text.string);
+        break;
+    case MXML_CUSTOM :
+        if (node->value.custom.data &&
+	    node->value.custom.destroy)
+	  (*(node->value.custom.destroy))(node->value.custom.data);
+	break;
+    default :
+        break;
+  }
+
+ /*
+  * Free this node...
+  */
+
+  free(node);
+}
+
+
+/*
+ * 'mxmlGetRefCount()' - Get the current reference (use) count for a node.
+ *
+ * The initial reference count of new nodes is 1. Use the @link mxmlRetain@
+ * and @link mxmlRelease@ functions to increment and decrement a node's
+ * reference count.
+ *
+ * @since Mini-XML 2.7@.
+ */
+
+int					/* O - Reference count */
+mxmlGetRefCount(mxml_node_t *node)	/* I - Node */
+{
+ /*
+  * Range check input...
+  */
+
+  if (!node)
+    return (0);
+
+ /*
+  * Return the reference count...
+  */
+
+  return (node->ref_count);
+}
+
+
+/*
+ * 'mxmlNewCDATA()' - Create a new CDATA node.
+ *
+ * The new CDATA node is added to the end of the specified parent's child
+ * list. The constant MXML_NO_PARENT can be used to specify that the new
+ * CDATA node has no parent. The data string must be nul-terminated and
+ * is copied into the new node. CDATA nodes use the MXML_ELEMENT type.
+ *
+ * @since Mini-XML 2.3@
+ */
+
+mxml_node_t *				/* O - New node */
+mxmlNewCDATA(mxml_node_t *parent,	/* I - Parent node or MXML_NO_PARENT */
+	     const char  *data)		/* I - Data string */
+{
+  mxml_node_t	*node;			/* New node */
+
+
+#ifdef DEBUG
+  fprintf(stderr, "mxmlNewCDATA(parent=%p, data=\"%s\")\n",
+          parent, data ? data : "(null)");
+#endif /* DEBUG */
+
+ /*
+  * Range check input...
+  */
+
+  if (!data)
+    return (NULL);
+
+ /*
+  * Create the node and set the name value...
+  */
+
+  if ((node = mxml_new(parent, MXML_ELEMENT)) != NULL)
+    node->value.element.name = _mxml_strdupf("![CDATA[%s]]", data);
+
+  return (node);
+}
+
+
+/*
+ * 'mxmlNewCustom()' - Create a new custom data node.
+ *
+ * The new custom node is added to the end of the specified parent's child
+ * list. The constant MXML_NO_PARENT can be used to specify that the new
+ * element node has no parent. NULL can be passed when the data in the
+ * node is not dynamically allocated or is separately managed.
+ *
+ * @since Mini-XML 2.1@
+ */
+
+mxml_node_t *				/* O - New node */
+mxmlNewCustom(
+    mxml_node_t              *parent,	/* I - Parent node or MXML_NO_PARENT */
+    void                     *data,	/* I - Pointer to data */
+    mxml_custom_destroy_cb_t destroy)	/* I - Function to destroy data */
+{
+  mxml_node_t	*node;			/* New node */
+
+
+#ifdef DEBUG
+  fprintf(stderr, "mxmlNewCustom(parent=%p, data=%p, destroy=%p)\n", parent,
+          data, destroy);
+#endif /* DEBUG */
+
+ /*
+  * Create the node and set the value...
+  */
+
+  if ((node = mxml_new(parent, MXML_CUSTOM)) != NULL)
+  {
+    node->value.custom.data    = data;
+    node->value.custom.destroy = destroy;
+  }
+
+  return (node);
+}
+
+
+/*
+ * 'mxmlNewElement()' - Create a new element node.
+ *
+ * The new element node is added to the end of the specified parent's child
+ * list. The constant MXML_NO_PARENT can be used to specify that the new
+ * element node has no parent.
+ */
+
+mxml_node_t *				/* O - New node */
+mxmlNewElement(mxml_node_t *parent,	/* I - Parent node or MXML_NO_PARENT */
+               const char  *name)	/* I - Name of element */
+{
+  mxml_node_t	*node;			/* New node */
+
+
+#ifdef DEBUG
+  fprintf(stderr, "mxmlNewElement(parent=%p, name=\"%s\")\n", parent,
+          name ? name : "(null)");
+#endif /* DEBUG */
+
+ /*
+  * Range check input...
+  */
+
+  if (!name)
+    return (NULL);
+
+ /*
+  * Create the node and set the element name...
+  */
+
+  if ((node = mxml_new(parent, MXML_ELEMENT)) != NULL)
+    node->value.element.name = strdup(name);
+
+  return (node);
+}
+
+
+/*
+ * 'mxmlNewInteger()' - Create a new integer node.
+ *
+ * The new integer node is added to the end of the specified parent's child
+ * list. The constant MXML_NO_PARENT can be used to specify that the new
+ * integer node has no parent.
+ */
+
+mxml_node_t *				/* O - New node */
+mxmlNewInteger(mxml_node_t *parent,	/* I - Parent node or MXML_NO_PARENT */
+               int         integer)	/* I - Integer value */
+{
+  mxml_node_t	*node;			/* New node */
+
+
+#ifdef DEBUG
+  fprintf(stderr, "mxmlNewInteger(parent=%p, integer=%d)\n", parent, integer);
+#endif /* DEBUG */
+
+ /*
+  * Create the node and set the element name...
+  */
+
+  if ((node = mxml_new(parent, MXML_INTEGER)) != NULL)
+    node->value.integer = integer;
+
+  return (node);
+}
+
+
+/*
+ * 'mxmlNewOpaque()' - Create a new opaque string.
+ *
+ * The new opaque node is added to the end of the specified parent's child
+ * list. The constant MXML_NO_PARENT can be used to specify that the new
+ * opaque node has no parent. The opaque string must be nul-terminated and
+ * is copied into the new node.
+ */
+
+mxml_node_t *				/* O - New node */
+mxmlNewOpaque(mxml_node_t *parent,	/* I - Parent node or MXML_NO_PARENT */
+              const char  *opaque)	/* I - Opaque string */
+{
+  mxml_node_t	*node;			/* New node */
+
+
+#ifdef DEBUG
+  fprintf(stderr, "mxmlNewOpaque(parent=%p, opaque=\"%s\")\n", parent,
+          opaque ? opaque : "(null)");
+#endif /* DEBUG */
+
+ /*
+  * Range check input...
+  */
+
+  if (!opaque)
+    return (NULL);
+
+ /*
+  * Create the node and set the element name...
+  */
+
+  if ((node = mxml_new(parent, MXML_OPAQUE)) != NULL)
+    node->value.opaque = strdup(opaque);
+
+  return (node);
+}
+
+
+/*
+ * 'mxmlNewReal()' - Create a new real number node.
+ *
+ * The new real number node is added to the end of the specified parent's
+ * child list. The constant MXML_NO_PARENT can be used to specify that
+ * the new real number node has no parent.
+ */
+
+mxml_node_t *				/* O - New node */
+mxmlNewReal(mxml_node_t *parent,	/* I - Parent node or MXML_NO_PARENT */
+            double      real)		/* I - Real number value */
+{
+  mxml_node_t	*node;			/* New node */
+
+
+#ifdef DEBUG
+  fprintf(stderr, "mxmlNewReal(parent=%p, real=%g)\n", parent, real);
+#endif /* DEBUG */
+
+ /*
+  * Create the node and set the element name...
+  */
+
+  if ((node = mxml_new(parent, MXML_REAL)) != NULL)
+    node->value.real = real;
+
+  return (node);
+}
+
+
+/*
+ * 'mxmlNewText()' - Create a new text fragment node.
+ *
+ * The new text node is added to the end of the specified parent's child
+ * list. The constant MXML_NO_PARENT can be used to specify that the new
+ * text node has no parent. The whitespace parameter is used to specify
+ * whether leading whitespace is present before the node. The text
+ * string must be nul-terminated and is copied into the new node.  
+ */
+
+mxml_node_t *				/* O - New node */
+mxmlNewText(mxml_node_t *parent,	/* I - Parent node or MXML_NO_PARENT */
+            int         whitespace,	/* I - 1 = leading whitespace, 0 = no whitespace */
+	    const char  *string)	/* I - String */
+{
+  mxml_node_t	*node;			/* New node */
+
+
+#ifdef DEBUG
+  fprintf(stderr, "mxmlNewText(parent=%p, whitespace=%d, string=\"%s\")\n",
+          parent, whitespace, string ? string : "(null)");
+#endif /* DEBUG */
+
+ /*
+  * Range check input...
+  */
+
+  if (!string)
+    return (NULL);
+
+ /*
+  * Create the node and set the text value...
+  */
+
+  if ((node = mxml_new(parent, MXML_TEXT)) != NULL)
+  {
+    node->value.text.whitespace = whitespace;
+    node->value.text.string     = strdup(string);
+  }
+
+  return (node);
+}
+
+
+/*
+ * 'mxmlNewTextf()' - Create a new formatted text fragment node.
+ *
+ * The new text node is added to the end of the specified parent's child
+ * list. The constant MXML_NO_PARENT can be used to specify that the new
+ * text node has no parent. The whitespace parameter is used to specify
+ * whether leading whitespace is present before the node. The format
+ * string must be nul-terminated and is formatted into the new node.  
+ */
+
+mxml_node_t *				/* O - New node */
+mxmlNewTextf(mxml_node_t *parent,	/* I - Parent node or MXML_NO_PARENT */
+             int         whitespace,	/* I - 1 = leading whitespace, 0 = no whitespace */
+	     const char  *format,	/* I - Printf-style frmat string */
+	     ...)			/* I - Additional args as needed */
+{
+  mxml_node_t	*node;			/* New node */
+  va_list	ap;			/* Pointer to arguments */
+
+
+#ifdef DEBUG
+  fprintf(stderr, "mxmlNewTextf(parent=%p, whitespace=%d, format=\"%s\", ...)\n",
+          parent, whitespace, format ? format : "(null)");
+#endif /* DEBUG */
+
+ /*
+  * Range check input...
+  */
+
+  if (!format)
+    return (NULL);
+
+ /*
+  * Create the node and set the text value...
+  */
+
+  if ((node = mxml_new(parent, MXML_TEXT)) != NULL)
+  {
+    va_start(ap, format);
+
+    node->value.text.whitespace = whitespace;
+    node->value.text.string     = _mxml_vstrdupf(format, ap);
+
+    va_end(ap);
+  }
+
+  return (node);
+}
+
+
+/*
+ * 'mxmlRemove()' - Remove a node from its parent.
+ *
+ * Does not free memory used by the node - use mxmlDelete() for that.
+ * This function does nothing if the node has no parent.
+ */
+
+void
+mxmlRemove(mxml_node_t *node)		/* I - Node to remove */
+{
+#ifdef DEBUG
+  fprintf(stderr, "mxmlRemove(node=%p)\n", node);
+#endif /* DEBUG */
+
+ /*
+  * Range check input...
+  */
+
+  if (!node || !node->parent)
+    return;
+
+ /*
+  * Remove from parent...
+  */
+
+#if DEBUG > 1
+  fprintf(stderr, "    BEFORE: node->parent=%p\n", node->parent);
+  if (node->parent)
+  {
+    fprintf(stderr, "    BEFORE: node->parent->child=%p\n", node->parent->child);
+    fprintf(stderr, "    BEFORE: node->parent->last_child=%p\n", node->parent->last_child);
+  }
+  fprintf(stderr, "    BEFORE: node->child=%p\n", node->child);
+  fprintf(stderr, "    BEFORE: node->last_child=%p\n", node->last_child);
+  fprintf(stderr, "    BEFORE: node->prev=%p\n", node->prev);
+  fprintf(stderr, "    BEFORE: node->next=%p\n", node->next);
+#endif /* DEBUG > 1 */
+
+  if (node->prev)
+    node->prev->next = node->next;
+  else
+    node->parent->child = node->next;
+
+  if (node->next)
+    node->next->prev = node->prev;
+  else
+    node->parent->last_child = node->prev;
+
+  node->parent = NULL;
+  node->prev   = NULL;
+  node->next   = NULL;
+
+#if DEBUG > 1
+  fprintf(stderr, "    AFTER: node->parent=%p\n", node->parent);
+  if (node->parent)
+  {
+    fprintf(stderr, "    AFTER: node->parent->child=%p\n", node->parent->child);
+    fprintf(stderr, "    AFTER: node->parent->last_child=%p\n", node->parent->last_child);
+  }
+  fprintf(stderr, "    AFTER: node->child=%p\n", node->child);
+  fprintf(stderr, "    AFTER: node->last_child=%p\n", node->last_child);
+  fprintf(stderr, "    AFTER: node->prev=%p\n", node->prev);
+  fprintf(stderr, "    AFTER: node->next=%p\n", node->next);
+#endif /* DEBUG > 1 */
+}
+
+
+/*
+ * 'mxmlNewXML()' - Create a new XML document tree.
+ *
+ * The "version" argument specifies the version number to put in the
+ * ?xml element node. If NULL, version 1.0 is assumed.
+ *
+ * @since Mini-XML 2.3@
+ */
+
+mxml_node_t *				/* O - New ?xml node */
+mxmlNewXML(const char *version)		/* I - Version number to use */
+{
+  char	element[1024];			/* Element text */
+
+
+  snprintf(element, sizeof(element), "?xml version=\"%s\" encoding=\"utf-8\"?",
+           version ? version : "1.0");
+
+  return (mxmlNewElement(NULL, element));
+}
+
+
+/*
+ * 'mxmlRelease()' - Release a node.
+ *
+ * When the reference count reaches zero, the node (and any children)
+ * is deleted via mxmlDelete().
+ *
+ * @since Mini-XML 2.3@
+ */
+
+int					/* O - New reference count */
+mxmlRelease(mxml_node_t *node)		/* I - Node */
+{
+  if (node)
+  {
+    if ((-- node->ref_count) <= 0)
+    {
+      mxmlDelete(node);
+      return (0);
+    }
+    else
+      return (node->ref_count);
+  }
+  else
+    return (-1);
+}
+
+
+/*
+ * 'mxmlRetain()' - Retain a node.
+ *
+ * @since Mini-XML 2.3@
+ */
+
+int					/* O - New reference count */
+mxmlRetain(mxml_node_t *node)		/* I - Node */
+{
+  if (node)
+    return (++ node->ref_count);
+  else
+    return (-1);
+}
+
+
+/*
+ * 'mxml_new()' - Create a new node.
+ */
+
+static mxml_node_t *			/* O - New node */
+mxml_new(mxml_node_t *parent,		/* I - Parent node */
+         mxml_type_t type)		/* I - Node type */
+{
+  mxml_node_t	*node;			/* New node */
+
+
+#if DEBUG > 1
+  fprintf(stderr, "mxml_new(parent=%p, type=%d)\n", parent, type);
+#endif /* DEBUG > 1 */
+
+ /*
+  * Allocate memory for the node...
+  */
+
+  if ((node = calloc(1, sizeof(mxml_node_t))) == NULL)
+  {
+#if DEBUG > 1
+    fputs("    returning NULL\n", stderr);
+#endif /* DEBUG > 1 */
+
+    return (NULL);
+  }
+
+#if DEBUG > 1
+  fprintf(stderr, "    returning %p\n", node);
+#endif /* DEBUG > 1 */
+
+ /*
+  * Set the node type...
+  */
+
+  node->type      = type;
+  node->ref_count = 1;
+
+ /*
+  * Add to the parent if present...
+  */
+
+  if (parent)
+    mxmlAdd(parent, MXML_ADD_AFTER, MXML_ADD_TO_PARENT, node);
+
+ /*
+  * Return the new node...
+  */
+
+  return (node);
+}
+
+
+/*
+ * End of "$Id: mxml-node.c 436 2011-01-22 01:02:05Z mike $".
+ */
diff --git a/tools/gator/daemon/mxml/mxml-private.c b/tools/gator/daemon/mxml/mxml-private.c
new file mode 100644
index 00000000000..72f3e2320c7
--- /dev/null
+++ b/tools/gator/daemon/mxml/mxml-private.c
@@ -0,0 +1,331 @@
+/*
+ * "$Id: mxml-private.c 422 2010-11-07 22:55:11Z mike $"
+ *
+ * Private functions for Mini-XML, a small XML-like file parsing library.
+ *
+ * Copyright 2003-2010 by Michael R Sweet.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Michael R Sweet and are protected by Federal copyright
+ * law.  Distribution and use rights are outlined in the file "COPYING"
+ * which should have been included with this file.  If this file is
+ * missing or damaged, see the license at:
+ *
+ *     http://www.minixml.org/
+ *
+ * Contents:
+ *
+ *   mxml_error()      - Display an error message.
+ *   mxml_integer_cb() - Default callback for integer values.
+ *   mxml_opaque_cb()  - Default callback for opaque values.
+ *   mxml_real_cb()    - Default callback for real number values.
+ *   _mxml_global()    - Get global data.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "mxml-private.h"
+
+
+/*
+ * Some crazy people think that unloading a shared object is a good or safe
+ * thing to do.  Unfortunately, most objects are simply *not* safe to unload
+ * and bad things *will* happen.
+ *
+ * The following mess of conditional code allows us to provide a destructor
+ * function in Mini-XML for our thread-global storage so that it can possibly
+ * be unloaded safely, although since there is no standard way to do so I
+ * can't even provide any guarantees that you can do it safely on all platforms.
+ *
+ * This code currently supports AIX, HP-UX, Linux, Mac OS X, Solaris, and
+ * Windows.  It might work on the BSDs and IRIX, but I haven't tested that.
+ */
+
+#if defined(__sun) || defined(_AIX)
+#  pragma fini(_mxml_fini)
+#  define _MXML_FINI _mxml_fini
+#elif defined(__hpux)
+#  pragma FINI _mxml_fini
+#  define _MXML_FINI _mxml_fini
+#elif defined(__GNUC__) /* Linux and Mac OS X */
+#  define _MXML_FINI __attribute((destructor)) _mxml_fini
+#else
+#  define _MXML_FINI _fini
+#endif /* __sun */
+
+
+/*
+ * 'mxml_error()' - Display an error message.
+ */
+
+void
+mxml_error(const char *format,		/* I - Printf-style format string */
+           ...)				/* I - Additional arguments as needed */
+{
+  va_list	ap;			/* Pointer to arguments */
+  char		s[1024];		/* Message string */
+  _mxml_global_t *global = _mxml_global();
+					/* Global data */
+
+
+ /*
+  * Range check input...
+  */
+
+  if (!format)
+    return;
+
+ /*
+  * Format the error message string...
+  */
+
+  va_start(ap, format);
+
+  vsnprintf(s, sizeof(s), format, ap);
+
+  va_end(ap);
+
+ /*
+  * And then display the error message...
+  */
+
+  if (global->error_cb)
+    (*global->error_cb)(s);
+  else
+    fprintf(stderr, "mxml: %s\n", s);
+}
+
+
+/*
+ * 'mxml_ignore_cb()' - Default callback for ignored values.
+ */
+
+mxml_type_t				/* O - Node type */
+mxml_ignore_cb(mxml_node_t *node)	/* I - Current node */
+{
+  (void)node;
+
+  return (MXML_IGNORE);
+}
+
+
+/*
+ * 'mxml_integer_cb()' - Default callback for integer values.
+ */
+
+mxml_type_t				/* O - Node type */
+mxml_integer_cb(mxml_node_t *node)	/* I - Current node */
+{
+  (void)node;
+
+  return (MXML_INTEGER);
+}
+
+
+/*
+ * 'mxml_opaque_cb()' - Default callback for opaque values.
+ */
+
+mxml_type_t				/* O - Node type */
+mxml_opaque_cb(mxml_node_t *node)	/* I - Current node */
+{
+  (void)node;
+
+  return (MXML_OPAQUE);
+}
+
+
+/*
+ * 'mxml_real_cb()' - Default callback for real number values.
+ */
+
+mxml_type_t				/* O - Node type */
+mxml_real_cb(mxml_node_t *node)		/* I - Current node */
+{
+  (void)node;
+
+  return (MXML_REAL);
+}
+
+
+#ifdef HAVE_PTHREAD_H			/**** POSIX threading ****/
+#  include <pthread.h>
+
+static pthread_key_t	_mxml_key = -1;	/* Thread local storage key */
+static pthread_once_t	_mxml_key_once = PTHREAD_ONCE_INIT;
+					/* One-time initialization object */
+static void		_mxml_init(void);
+static void		_mxml_destructor(void *g);
+
+
+/*
+ * '_mxml_destructor()' - Free memory used for globals...
+ */
+
+static void
+_mxml_destructor(void *g)		/* I - Global data */
+{
+  free(g);
+}
+
+
+/*
+ * '_mxml_fini()' - Clean up when unloaded.
+ */
+
+static void
+_MXML_FINI(void)
+{
+  _mxml_global_t	*global;	/* Global data */
+
+
+  if (_mxml_key != -1)
+  {
+    if ((global = (_mxml_global_t *)pthread_getspecific(_mxml_key)) != NULL)
+      _mxml_destructor(global);
+
+    pthread_key_delete(_mxml_key);
+    _mxml_key = -1;
+  }
+}
+
+
+/*
+ * '_mxml_global()' - Get global data.
+ */
+
+_mxml_global_t *			/* O - Global data */
+_mxml_global(void)
+{
+  _mxml_global_t	*global;	/* Global data */
+
+
+  pthread_once(&_mxml_key_once, _mxml_init);
+
+  if ((global = (_mxml_global_t *)pthread_getspecific(_mxml_key)) == NULL)
+  {
+    global = (_mxml_global_t *)calloc(1, sizeof(_mxml_global_t));
+    pthread_setspecific(_mxml_key, global);
+
+    global->num_entity_cbs = 1;
+    global->entity_cbs[0]  = _mxml_entity_cb;
+    global->wrap           = 72;
+  }
+
+  return (global);
+}
+
+
+/*
+ * '_mxml_init()' - Initialize global data...
+ */
+
+static void
+_mxml_init(void)
+{
+  pthread_key_create(&_mxml_key, _mxml_destructor);
+}
+
+
+#elif defined(WIN32) && defined(MXML1_EXPORTS) /**** WIN32 threading ****/
+#  include <windows.h>
+
+static DWORD _mxml_tls_index;		/* Index for global storage */
+
+
+/*
+ * 'DllMain()' - Main entry for library.
+ */
+ 
+BOOL WINAPI				/* O - Success/failure */
+DllMain(HINSTANCE hinst,		/* I - DLL module handle */
+        DWORD     reason,		/* I - Reason */
+        LPVOID    reserved)		/* I - Unused */
+{
+  _mxml_global_t	*global;	/* Global data */
+
+
+  (void)hinst;
+  (void)reserved;
+
+  switch (reason) 
+  { 
+    case DLL_PROCESS_ATTACH :		/* Called on library initialization */
+        if ((_mxml_tls_index = TlsAlloc()) == TLS_OUT_OF_INDEXES) 
+          return (FALSE); 
+        break; 
+
+    case DLL_THREAD_DETACH :		/* Called when a thread terminates */
+        if ((global = (_mxml_global_t *)TlsGetValue(_mxml_tls_index)) != NULL)
+          free(global);
+        break; 
+
+    case DLL_PROCESS_DETACH :		/* Called when library is unloaded */
+        if ((global = (_mxml_global_t *)TlsGetValue(_mxml_tls_index)) != NULL)
+          free(global);
+
+        TlsFree(_mxml_tls_index); 
+        break; 
+
+    default: 
+        break; 
+  } 
+
+  return (TRUE);
+}
+
+
+/*
+ * '_mxml_global()' - Get global data.
+ */
+
+_mxml_global_t *			/* O - Global data */
+_mxml_global(void)
+{
+  _mxml_global_t	*global;	/* Global data */
+
+
+  if ((global = (_mxml_global_t *)TlsGetValue(_mxml_tls_index)) == NULL)
+  {
+    global = (_mxml_global_t *)calloc(1, sizeof(_mxml_global_t));
+
+    global->num_entity_cbs = 1;
+    global->entity_cbs[0]  = _mxml_entity_cb;
+    global->wrap           = 72;
+
+    TlsSetValue(_mxml_tls_index, (LPVOID)global); 
+  }
+
+  return (global);
+}
+
+
+#else					/**** No threading ****/
+/*
+ * '_mxml_global()' - Get global data.
+ */
+
+_mxml_global_t *			/* O - Global data */
+_mxml_global(void)
+{
+  static _mxml_global_t	global =	/* Global data */
+  {
+    NULL,				/* error_cb */
+    1,					/* num_entity_cbs */
+    { _mxml_entity_cb },		/* entity_cbs */
+    72,					/* wrap */
+    NULL,				/* custom_load_cb */
+    NULL				/* custom_save_cb */
+  };
+
+
+  return (&global);
+}
+#endif /* HAVE_PTHREAD_H */
+
+
+/*
+ * End of "$Id: mxml-private.c 422 2010-11-07 22:55:11Z mike $".
+ */
diff --git a/tools/gator/daemon/mxml/mxml-private.h b/tools/gator/daemon/mxml/mxml-private.h
new file mode 100644
index 00000000000..8789e6c52cb
--- /dev/null
+++ b/tools/gator/daemon/mxml/mxml-private.h
@@ -0,0 +1,50 @@
+/*
+ * "$Id: mxml-private.h 408 2010-09-19 05:26:46Z mike $"
+ *
+ * Private definitions for Mini-XML, a small XML-like file parsing library.
+ *
+ * Copyright 2003-2010 by Michael R Sweet.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Michael R Sweet and are protected by Federal copyright
+ * law.  Distribution and use rights are outlined in the file "COPYING"
+ * which should have been included with this file.  If this file is
+ * missing or damaged, see the license at:
+ *
+ *     http://www.minixml.org/
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "config.h"
+#include "mxml.h"
+
+
+/*
+ * Global, per-thread data...
+ */
+
+typedef struct _mxml_global_s
+{
+  void	(*error_cb)(const char *);
+  int	num_entity_cbs;
+  int	(*entity_cbs[100])(const char *name);
+  int	wrap;
+  mxml_custom_load_cb_t	custom_load_cb;
+  mxml_custom_save_cb_t	custom_save_cb;
+} _mxml_global_t;
+
+
+/*
+ * Functions...
+ */
+
+extern _mxml_global_t	*_mxml_global(void);
+extern int		_mxml_entity_cb(const char *name);
+
+
+/*
+ * End of "$Id: mxml-private.h 408 2010-09-19 05:26:46Z mike $".
+ */
diff --git a/tools/gator/daemon/mxml/mxml-search.c b/tools/gator/daemon/mxml/mxml-search.c
new file mode 100644
index 00000000000..f975af1543c
--- /dev/null
+++ b/tools/gator/daemon/mxml/mxml-search.c
@@ -0,0 +1,287 @@
+/*
+ * "$Id: mxml-search.c 427 2011-01-03 02:03:29Z mike $"
+ *
+ * Search/navigation functions for Mini-XML, a small XML-like file
+ * parsing library.
+ *
+ * Copyright 2003-2010 by Michael R Sweet.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Michael R Sweet and are protected by Federal copyright
+ * law.  Distribution and use rights are outlined in the file "COPYING"
+ * which should have been included with this file.  If this file is
+ * missing or damaged, see the license at:
+ *
+ *     http://www.minixml.org/
+ *
+ * Contents:
+ *
+ *   mxmlFindElement() - Find the named element.
+ *   mxmlFindValue()   - Find a value with the given path.
+ *   mxmlWalkNext()    - Walk to the next logical node in the tree.
+ *   mxmlWalkPrev()    - Walk to the previous logical node in the tree.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "config.h"
+#include "mxml.h"
+
+
+/*
+ * 'mxmlFindElement()' - Find the named element.
+ *
+ * The search is constrained by the name, attribute name, and value; any
+ * NULL names or values are treated as wildcards, so different kinds of
+ * searches can be implemented by looking for all elements of a given name
+ * or all elements with a specific attribute. The descend argument determines
+ * whether the search descends into child nodes; normally you will use
+ * MXML_DESCEND_FIRST for the initial search and MXML_NO_DESCEND to find
+ * additional direct descendents of the node. The top node argument
+ * constrains the search to a particular node's children.
+ */
+
+mxml_node_t *				/* O - Element node or NULL */
+mxmlFindElement(mxml_node_t *node,	/* I - Current node */
+                mxml_node_t *top,	/* I - Top node */
+                const char  *name,	/* I - Element name or NULL for any */
+		const char  *attr,	/* I - Attribute name, or NULL for none */
+		const char  *value,	/* I - Attribute value, or NULL for any */
+		int         descend)	/* I - Descend into tree - MXML_DESCEND, MXML_NO_DESCEND, or MXML_DESCEND_FIRST */
+{
+  const char	*temp;			/* Current attribute value */
+
+
+ /*
+  * Range check input...
+  */
+
+  if (!node || !top || (!attr && value))
+    return (NULL);
+
+ /*
+  * Start with the next node...
+  */
+
+  node = mxmlWalkNext(node, top, descend);
+
+ /*
+  * Loop until we find a matching element...
+  */
+
+  while (node != NULL)
+  {
+   /*
+    * See if this node matches...
+    */
+
+    if (node->type == MXML_ELEMENT &&
+        node->value.element.name &&
+	(!name || !strcmp(node->value.element.name, name)))
+    {
+     /*
+      * See if we need to check for an attribute...
+      */
+
+      if (!attr)
+        return (node);			/* No attribute search, return it... */
+
+     /*
+      * Check for the attribute...
+      */
+
+      if ((temp = mxmlElementGetAttr(node, attr)) != NULL)
+      {
+       /*
+        * OK, we have the attribute, does it match?
+	*/
+
+	if (!value || !strcmp(value, temp))
+	  return (node);		/* Yes, return it... */
+      }
+    }
+
+   /*
+    * No match, move on to the next node...
+    */
+
+    if (descend == MXML_DESCEND)
+      node = mxmlWalkNext(node, top, MXML_DESCEND);
+    else
+      node = node->next;
+  }
+
+  return (NULL);
+}
+
+
+/*
+ * 'mxmlFindPath()' - Find a node with the given path.
+ *
+ * The "path" is a slash-separated list of element names. The name "*" is
+ * considered a wildcard for one or more levels of elements.  For example,
+ * "foo/one/two", "bar/two/one", "*\/one", and so forth.
+ *
+ * The first child node of the found node is returned if the given node has
+ * children and the first child is a value node.
+ * 
+ * @since Mini-XML 2.7@
+ */
+
+mxml_node_t *				/* O - Found node or NULL */
+mxmlFindPath(mxml_node_t *top,		/* I - Top node */
+	     const char  *path)		/* I - Path to element */
+{
+  mxml_node_t	*node;			/* Current node */
+  char		element[256];		/* Current element name */
+  const char	*pathsep;		/* Separator in path */
+  int		descend;		/* mxmlFindElement option */
+
+
+ /*
+  * Range check input...
+  */
+
+  if (!top || !path || !*path)
+    return (NULL);
+
+ /*
+  * Search each element in the path...
+  */
+
+  node = top;
+  while (*path)
+  {
+   /*
+    * Handle wildcards...
+    */
+
+    if (!strncmp(path, "*/", 2))
+    {
+      path += 2;
+      descend = MXML_DESCEND;
+    }
+    else
+      descend = MXML_DESCEND_FIRST;
+
+   /*
+    * Get the next element in the path...
+    */
+
+    if ((pathsep = strchr(path, '/')) == NULL)
+      pathsep = path + strlen(path);
+
+    if (pathsep == path || (pathsep - path) >= sizeof(element))
+      return (NULL);
+
+    memcpy(element, path, pathsep - path);
+    element[pathsep - path] = '\0';
+
+    if (*pathsep)
+      path = pathsep + 1;
+    else
+      path = pathsep;
+
+   /*
+    * Search for the element...
+    */
+
+    if ((node = mxmlFindElement(node, node, element, NULL, NULL,
+                                descend)) == NULL)
+      return (NULL);
+  }
+
+ /*
+  * If we get this far, return the node or its first child...
+  */
+
+  if (node->child && node->child->type != MXML_ELEMENT)
+    return (node->child);
+  else
+    return (node);
+}
+
+
+/*
+ * 'mxmlWalkNext()' - Walk to the next logical node in the tree.
+ *
+ * The descend argument controls whether the first child is considered
+ * to be the next node. The top node argument constrains the walk to
+ * the node's children.
+ */
+
+mxml_node_t *				/* O - Next node or NULL */
+mxmlWalkNext(mxml_node_t *node,		/* I - Current node */
+             mxml_node_t *top,		/* I - Top node */
+             int         descend)	/* I - Descend into tree - MXML_DESCEND, MXML_NO_DESCEND, or MXML_DESCEND_FIRST */
+{
+  if (!node)
+    return (NULL);
+  else if (node->child && descend)
+    return (node->child);
+  else if (node == top)
+    return (NULL);
+  else if (node->next)
+    return (node->next);
+  else if (node->parent && node->parent != top)
+  {
+    node = node->parent;
+
+    while (!node->next)
+      if (node->parent == top || !node->parent)
+        return (NULL);
+      else
+        node = node->parent;
+
+    return (node->next);
+  }
+  else
+    return (NULL);
+}
+
+
+/*
+ * 'mxmlWalkPrev()' - Walk to the previous logical node in the tree.
+ *
+ * The descend argument controls whether the previous node's last child
+ * is considered to be the previous node. The top node argument constrains
+ * the walk to the node's children.
+ */
+
+mxml_node_t *				/* O - Previous node or NULL */
+mxmlWalkPrev(mxml_node_t *node,		/* I - Current node */
+             mxml_node_t *top,		/* I - Top node */
+             int         descend)	/* I - Descend into tree - MXML_DESCEND, MXML_NO_DESCEND, or MXML_DESCEND_FIRST */
+{
+  if (!node || node == top)
+    return (NULL);
+  else if (node->prev)
+  {
+    if (node->prev->last_child && descend)
+    {
+     /*
+      * Find the last child under the previous node...
+      */
+
+      node = node->prev->last_child;
+
+      while (node->last_child)
+        node = node->last_child;
+
+      return (node);
+    }
+    else
+      return (node->prev);
+  }
+  else if (node->parent != top)
+    return (node->parent);
+  else
+    return (NULL);
+}
+
+
+/*
+ * End of "$Id: mxml-search.c 427 2011-01-03 02:03:29Z mike $".
+ */
diff --git a/tools/gator/daemon/mxml/mxml-set.c b/tools/gator/daemon/mxml/mxml-set.c
new file mode 100644
index 00000000000..b0bd52790b2
--- /dev/null
+++ b/tools/gator/daemon/mxml/mxml-set.c
@@ -0,0 +1,349 @@
+/*
+ * "$Id: mxml-set.c 441 2011-12-09 23:49:00Z mike $"
+ *
+ * Node set functions for Mini-XML, a small XML-like file parsing library.
+ *
+ * Copyright 2003-2011 by Michael R Sweet.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Michael R Sweet and are protected by Federal copyright
+ * law.  Distribution and use rights are outlined in the file "COPYING"
+ * which should have been included with this file.  If this file is
+ * missing or damaged, see the license at:
+ *
+ *     http://www.minixml.org/
+ *
+ * Contents:
+ *
+ *   mxmlSetCDATA()    - Set the element name of a CDATA node.
+ *   mxmlSetCustom()   - Set the data and destructor of a custom data node.
+ *   mxmlSetElement()  - Set the name of an element node.
+ *   mxmlSetInteger()  - Set the value of an integer node.
+ *   mxmlSetOpaque()   - Set the value of an opaque node.
+ *   mxmlSetReal()     - Set the value of a real number node.
+ *   mxmlSetText()     - Set the value of a text node.
+ *   mxmlSetTextf()    - Set the value of a text node to a formatted string.
+ *   mxmlSetUserData() - Set the user data pointer for a node.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "config.h"
+#include "mxml.h"
+
+
+/*
+ * 'mxmlSetCDATA()' - Set the element name of a CDATA node.
+ *
+ * The node is not changed if it (or its first child) is not a CDATA element node.
+ *
+ * @since Mini-XML 2.3@
+ */
+
+int					/* O - 0 on success, -1 on failure */
+mxmlSetCDATA(mxml_node_t *node,		/* I - Node to set */
+             const char  *data)		/* I - New data string */
+{
+ /*
+  * Range check input...
+  */
+
+  if (node && node->type == MXML_ELEMENT &&
+      strncmp(node->value.element.name, "![CDATA[", 8) &&
+      node->child && node->child->type == MXML_ELEMENT &&
+      !strncmp(node->child->value.element.name, "![CDATA[", 8))
+    node = node->child;
+
+  if (!node || node->type != MXML_ELEMENT || !data ||
+      strncmp(node->value.element.name, "![CDATA[", 8))
+    return (-1);
+
+ /*
+  * Free any old element value and set the new value...
+  */
+
+  if (node->value.element.name)
+    free(node->value.element.name);
+
+  node->value.element.name = _mxml_strdupf("![CDATA[%s]]", data);
+
+  return (0);
+}
+
+
+/*
+ * 'mxmlSetCustom()' - Set the data and destructor of a custom data node.
+ *
+ * The node is not changed if it (or its first child) is not a custom node.
+ *
+ * @since Mini-XML 2.1@
+ */
+
+int					/* O - 0 on success, -1 on failure */
+mxmlSetCustom(
+    mxml_node_t              *node,	/* I - Node to set */
+    void                     *data,	/* I - New data pointer */
+    mxml_custom_destroy_cb_t destroy)	/* I - New destructor function */
+{
+ /*
+  * Range check input...
+  */
+
+  if (node && node->type == MXML_ELEMENT &&
+      node->child && node->child->type == MXML_CUSTOM)
+    node = node->child;
+
+  if (!node || node->type != MXML_CUSTOM)
+    return (-1);
+
+ /*
+  * Free any old element value and set the new value...
+  */
+
+  if (node->value.custom.data && node->value.custom.destroy)
+    (*(node->value.custom.destroy))(node->value.custom.data);
+
+  node->value.custom.data    = data;
+  node->value.custom.destroy = destroy;
+
+  return (0);
+}
+
+
+/*
+ * 'mxmlSetElement()' - Set the name of an element node.
+ *
+ * The node is not changed if it is not an element node.
+ */
+
+int					/* O - 0 on success, -1 on failure */
+mxmlSetElement(mxml_node_t *node,	/* I - Node to set */
+               const char  *name)	/* I - New name string */
+{
+ /*
+  * Range check input...
+  */
+
+  if (!node || node->type != MXML_ELEMENT || !name)
+    return (-1);
+
+ /*
+  * Free any old element value and set the new value...
+  */
+
+  if (node->value.element.name)
+    free(node->value.element.name);
+
+  node->value.element.name = strdup(name);
+
+  return (0);
+}
+
+
+/*
+ * 'mxmlSetInteger()' - Set the value of an integer node.
+ *
+ * The node is not changed if it (or its first child) is not an integer node.
+ */
+
+int					/* O - 0 on success, -1 on failure */
+mxmlSetInteger(mxml_node_t *node,	/* I - Node to set */
+               int         integer)	/* I - Integer value */
+{
+ /*
+  * Range check input...
+  */
+
+  if (node && node->type == MXML_ELEMENT &&
+      node->child && node->child->type == MXML_INTEGER)
+    node = node->child;
+
+  if (!node || node->type != MXML_INTEGER)
+    return (-1);
+
+ /*
+  * Set the new value and return...
+  */
+
+  node->value.integer = integer;
+
+  return (0);
+}
+
+
+/*
+ * 'mxmlSetOpaque()' - Set the value of an opaque node.
+ *
+ * The node is not changed if it (or its first child) is not an opaque node.
+ */
+
+int					/* O - 0 on success, -1 on failure */
+mxmlSetOpaque(mxml_node_t *node,	/* I - Node to set */
+              const char  *opaque)	/* I - Opaque string */
+{
+ /*
+  * Range check input...
+  */
+
+  if (node && node->type == MXML_ELEMENT &&
+      node->child && node->child->type == MXML_OPAQUE)
+    node = node->child;
+
+  if (!node || node->type != MXML_OPAQUE || !opaque)
+    return (-1);
+
+ /*
+  * Free any old opaque value and set the new value...
+  */
+
+  if (node->value.opaque)
+    free(node->value.opaque);
+
+  node->value.opaque = strdup(opaque);
+
+  return (0);
+}
+
+
+/*
+ * 'mxmlSetReal()' - Set the value of a real number node.
+ *
+ * The node is not changed if it (or its first child) is not a real number node.
+ */
+
+int					/* O - 0 on success, -1 on failure */
+mxmlSetReal(mxml_node_t *node,		/* I - Node to set */
+            double      real)		/* I - Real number value */
+{
+ /*
+  * Range check input...
+  */
+
+  if (node && node->type == MXML_ELEMENT &&
+      node->child && node->child->type == MXML_REAL)
+    node = node->child;
+
+  if (!node || node->type != MXML_REAL)
+    return (-1);
+
+ /*
+  * Set the new value and return...
+  */
+
+  node->value.real = real;
+
+  return (0);
+}
+
+
+/*
+ * 'mxmlSetText()' - Set the value of a text node.
+ *
+ * The node is not changed if it (or its first child) is not a text node.
+ */
+
+int					/* O - 0 on success, -1 on failure */
+mxmlSetText(mxml_node_t *node,		/* I - Node to set */
+            int         whitespace,	/* I - 1 = leading whitespace, 0 = no whitespace */
+	    const char  *string)	/* I - String */
+{
+ /*
+  * Range check input...
+  */
+
+  if (node && node->type == MXML_ELEMENT &&
+      node->child && node->child->type == MXML_TEXT)
+    node = node->child;
+
+  if (!node || node->type != MXML_TEXT || !string)
+    return (-1);
+
+ /*
+  * Free any old string value and set the new value...
+  */
+
+  if (node->value.text.string)
+    free(node->value.text.string);
+
+  node->value.text.whitespace = whitespace;
+  node->value.text.string     = strdup(string);
+
+  return (0);
+}
+
+
+/*
+ * 'mxmlSetTextf()' - Set the value of a text node to a formatted string.
+ *
+ * The node is not changed if it (or its first child) is not a text node.
+ */
+
+int					/* O - 0 on success, -1 on failure */
+mxmlSetTextf(mxml_node_t *node,		/* I - Node to set */
+             int         whitespace,	/* I - 1 = leading whitespace, 0 = no whitespace */
+             const char  *format,	/* I - Printf-style format string */
+	     ...)			/* I - Additional arguments as needed */
+{
+  va_list	ap;			/* Pointer to arguments */
+
+
+ /*
+  * Range check input...
+  */
+
+  if (node && node->type == MXML_ELEMENT &&
+      node->child && node->child->type == MXML_TEXT)
+    node = node->child;
+
+  if (!node || node->type != MXML_TEXT || !format)
+    return (-1);
+
+ /*
+  * Free any old string value and set the new value...
+  */
+
+  if (node->value.text.string)
+    free(node->value.text.string);
+
+  va_start(ap, format);
+
+  node->value.text.whitespace = whitespace;
+  node->value.text.string     = _mxml_strdupf(format, ap);
+
+  va_end(ap);
+
+  return (0);
+}
+
+
+/*
+ * 'mxmlSetUserData()' - Set the user data pointer for a node.
+ *
+ * @since Mini-XML 2.7@
+ */
+
+int					/* O - 0 on success, -1 on failure */
+mxmlSetUserData(mxml_node_t *node,	/* I - Node to set */
+                void        *data)	/* I - User data pointer */
+{
+ /*
+  * Range check input...
+  */
+
+  if (!node)
+    return (-1);
+
+ /*
+  * Set the user data pointer and return...
+  */
+
+  node->user_data = data;
+  return (0);
+}
+
+
+/*
+ * End of "$Id: mxml-set.c 441 2011-12-09 23:49:00Z mike $".
+ */
diff --git a/tools/gator/daemon/mxml/mxml-string.c b/tools/gator/daemon/mxml/mxml-string.c
new file mode 100644
index 00000000000..6be42523f95
--- /dev/null
+++ b/tools/gator/daemon/mxml/mxml-string.c
@@ -0,0 +1,476 @@
+/*
+ * "$Id: mxml-string.c 424 2010-12-25 16:21:50Z mike $"
+ *
+ * String functions for Mini-XML, a small XML-like file parsing library.
+ *
+ * Copyright 2003-2010 by Michael R Sweet.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Michael R Sweet and are protected by Federal copyright
+ * law.  Distribution and use rights are outlined in the file "COPYING"
+ * which should have been included with this file.  If this file is
+ * missing or damaged, see the license at:
+ *
+ *     http://www.minixml.org/
+ *
+ * Contents:
+ *
+ *   _mxml_snprintf()  - Format a string.
+ *   _mxml_strdup()    - Duplicate a string.
+ *   _mxml_strdupf()   - Format and duplicate a string.
+ *   _mxml_vsnprintf() - Format a string into a fixed size buffer.
+ *   _mxml_vstrdupf()  - Format and duplicate a string.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "config.h"
+
+
+/*
+ * The va_copy macro is part of C99, but many compilers don't implement it.
+ * Provide a "direct assignment" implmentation when va_copy isn't defined...
+ */
+
+#ifndef va_copy
+#  ifdef __va_copy
+#    define va_copy(dst,src) __va_copy(dst,src)
+#  else
+#    define va_copy(dst,src) memcpy(&dst, &src, sizeof(va_list))
+#  endif /* __va_copy */
+#endif /* va_copy */
+
+
+#ifndef HAVE_SNPRINTF
+/*
+ * '_mxml_snprintf()' - Format a string.
+ */
+
+int					/* O - Number of bytes formatted */
+_mxml_snprintf(char       *buffer,	/* I - Output buffer */
+               size_t     bufsize,	/* I - Size of output buffer */
+	       const char *format,	/* I - Printf-style format string */
+	       ...)			/* I - Additional arguments as needed */
+{
+  va_list	ap;			/* Argument list */
+  int		bytes;			/* Number of bytes formatted */
+
+
+  va_start(ap, format);
+  bytes = vsnprintf(buffer, bufsize, format, ap);
+  va_end(ap);
+
+  return (bytes);
+}
+#endif /* !HAVE_SNPRINTF */
+
+
+/*
+ * '_mxml_strdup()' - Duplicate a string.
+ */
+
+#ifndef HAVE_STRDUP
+char *					/* O - New string pointer */
+_mxml_strdup(const char *s)		/* I - String to duplicate */
+{
+  char	*t;				/* New string pointer */
+
+
+  if (s == NULL)
+    return (NULL);
+
+  if ((t = malloc(strlen(s) + 1)) == NULL)
+    return (NULL);
+
+  return (strcpy(t, s));
+}
+#endif /* !HAVE_STRDUP */
+
+
+/*
+ * '_mxml_strdupf()' - Format and duplicate a string.
+ */
+
+char *					/* O - New string pointer */
+_mxml_strdupf(const char *format,	/* I - Printf-style format string */
+              ...)			/* I - Additional arguments as needed */
+{
+  va_list	ap;			/* Pointer to additional arguments */
+  char		*s;			/* Pointer to formatted string */
+
+
+ /*
+  * Get a pointer to the additional arguments, format the string,
+  * and return it...
+  */
+
+  va_start(ap, format);
+  s = _mxml_vstrdupf(format, ap);
+  va_end(ap);
+
+  return (s);
+}
+
+
+#ifndef HAVE_VSNPRINTF
+/*
+ * '_mxml_vsnprintf()' - Format a string into a fixed size buffer.
+ */
+
+int					/* O - Number of bytes formatted */
+_mxml_vsnprintf(char       *buffer,	/* O - Output buffer */
+                size_t     bufsize,	/* O - Size of output buffer */
+		const char *format,	/* I - Printf-style format string */
+ 		va_list    ap)		/* I - Pointer to additional arguments */
+{
+  char		*bufptr,		/* Pointer to position in buffer */
+		*bufend,		/* Pointer to end of buffer */
+		sign,			/* Sign of format width */
+		size,			/* Size character (h, l, L) */
+		type;			/* Format type character */
+  int		width,			/* Width of field */
+		prec;			/* Number of characters of precision */
+  char		tformat[100],		/* Temporary format string for sprintf() */
+		*tptr,			/* Pointer into temporary format */
+		temp[1024];		/* Buffer for formatted numbers */
+  char		*s;			/* Pointer to string */
+  int		slen;			/* Length of string */
+  int		bytes;			/* Total number of bytes needed */
+
+
+ /*
+  * Loop through the format string, formatting as needed...
+  */
+
+  bufptr = buffer;
+  bufend = buffer + bufsize - 1;
+  bytes  = 0;
+
+  while (*format)
+  {
+    if (*format == '%')
+    {
+      tptr = tformat;
+      *tptr++ = *format++;
+
+      if (*format == '%')
+      {
+        if (bufptr && bufptr < bufend) *bufptr++ = *format;
+        bytes ++;
+        format ++;
+	continue;
+      }
+      else if (strchr(" -+#\'", *format))
+      {
+        *tptr++ = *format;
+        sign = *format++;
+      }
+      else
+        sign = 0;
+
+      if (*format == '*')
+      {
+       /*
+        * Get width from argument...
+	*/
+
+	format ++;
+	width = va_arg(ap, int);
+
+	snprintf(tptr, sizeof(tformat) - (tptr - tformat), "%d", width);
+	tptr += strlen(tptr);
+      }
+      else
+      {
+	width = 0;
+
+	while (isdigit(*format & 255))
+	{
+	  if (tptr < (tformat + sizeof(tformat) - 1))
+	    *tptr++ = *format;
+
+	  width = width * 10 + *format++ - '0';
+	}
+      }
+
+      if (*format == '.')
+      {
+	if (tptr < (tformat + sizeof(tformat) - 1))
+	  *tptr++ = *format;
+
+        format ++;
+
+        if (*format == '*')
+	{
+         /*
+	  * Get precision from argument...
+	  */
+
+	  format ++;
+	  prec = va_arg(ap, int);
+
+	  snprintf(tptr, sizeof(tformat) - (tptr - tformat), "%d", prec);
+	  tptr += strlen(tptr);
+	}
+	else
+	{
+	  prec = 0;
+
+	  while (isdigit(*format & 255))
+	  {
+	    if (tptr < (tformat + sizeof(tformat) - 1))
+	      *tptr++ = *format;
+
+	    prec = prec * 10 + *format++ - '0';
+	  }
+	}
+      }
+      else
+        prec = -1;
+
+      if (*format == 'l' && format[1] == 'l')
+      {
+        size = 'L';
+
+	if (tptr < (tformat + sizeof(tformat) - 2))
+	{
+	  *tptr++ = 'l';
+	  *tptr++ = 'l';
+	}
+
+	format += 2;
+      }
+      else if (*format == 'h' || *format == 'l' || *format == 'L')
+      {
+	if (tptr < (tformat + sizeof(tformat) - 1))
+	  *tptr++ = *format;
+
+        size = *format++;
+      }
+
+      if (!*format)
+        break;
+
+      if (tptr < (tformat + sizeof(tformat) - 1))
+        *tptr++ = *format;
+
+      type  = *format++;
+      *tptr = '\0';
+
+      switch (type)
+      {
+	case 'E' : /* Floating point formats */
+	case 'G' :
+	case 'e' :
+	case 'f' :
+	case 'g' :
+	    if ((width + 2) > sizeof(temp))
+	      break;
+
+	    sprintf(temp, tformat, va_arg(ap, double));
+
+            bytes += strlen(temp);
+
+            if (bufptr)
+	    {
+	      if ((bufptr + strlen(temp)) > bufend)
+	      {
+		strncpy(bufptr, temp, (size_t)(bufend - bufptr));
+		bufptr = bufend;
+	      }
+	      else
+	      {
+		strcpy(bufptr, temp);
+		bufptr += strlen(temp);
+	      }
+	    }
+	    break;
+
+        case 'B' : /* Integer formats */
+	case 'X' :
+	case 'b' :
+        case 'd' :
+	case 'i' :
+	case 'o' :
+	case 'u' :
+	case 'x' :
+	    if ((width + 2) > sizeof(temp))
+	      break;
+
+#ifdef HAVE_LONG_LONG
+	    if (size == 'L')
+	      sprintf(temp, tformat, va_arg(ap, long long));
+	    else
+#endif /* HAVE_LONG_LONG */
+	    sprintf(temp, tformat, va_arg(ap, int));
+
+            bytes += strlen(temp);
+
+	    if (bufptr)
+	    {
+	      if ((bufptr + strlen(temp)) > bufend)
+	      {
+		strncpy(bufptr, temp, (size_t)(bufend - bufptr));
+		bufptr = bufend;
+	      }
+	      else
+	      {
+		strcpy(bufptr, temp);
+		bufptr += strlen(temp);
+	      }
+	    }
+	    break;
+
+	case 'p' : /* Pointer value */
+	    if ((width + 2) > sizeof(temp))
+	      break;
+
+	    sprintf(temp, tformat, va_arg(ap, void *));
+
+            bytes += strlen(temp);
+
+	    if (bufptr)
+	    {
+	      if ((bufptr + strlen(temp)) > bufend)
+	      {
+		strncpy(bufptr, temp, (size_t)(bufend - bufptr));
+		bufptr = bufend;
+	      }
+	      else
+	      {
+		strcpy(bufptr, temp);
+		bufptr += strlen(temp);
+	      }
+	    }
+	    break;
+
+        case 'c' : /* Character or character array */
+	    bytes += width;
+
+	    if (bufptr)
+	    {
+	      if (width <= 1)
+	        *bufptr++ = va_arg(ap, int);
+	      else
+	      {
+		if ((bufptr + width) > bufend)
+		  width = bufend - bufptr;
+
+		memcpy(bufptr, va_arg(ap, char *), (size_t)width);
+		bufptr += width;
+	      }
+	    }
+	    break;
+
+	case 's' : /* String */
+	    if ((s = va_arg(ap, char *)) == NULL)
+	      s = "(null)";
+
+	    slen = strlen(s);
+	    if (slen > width && prec != width)
+	      width = slen;
+
+            bytes += width;
+
+	    if (bufptr)
+	    {
+	      if ((bufptr + width) > bufend)
+	        width = bufend - bufptr;
+
+              if (slen > width)
+	        slen = width;
+
+	      if (sign == '-')
+	      {
+		strncpy(bufptr, s, (size_t)slen);
+		memset(bufptr + slen, ' ', (size_t)(width - slen));
+	      }
+	      else
+	      {
+		memset(bufptr, ' ', (size_t)(width - slen));
+		strncpy(bufptr + width - slen, s, (size_t)slen);
+	      }
+
+	      bufptr += width;
+	    }
+	    break;
+
+	case 'n' : /* Output number of chars so far */
+	    *(va_arg(ap, int *)) = bytes;
+	    break;
+      }
+    }
+    else
+    {
+      bytes ++;
+
+      if (bufptr && bufptr < bufend)
+        *bufptr++ = *format;
+
+      format ++;
+    }
+  }
+
+ /*
+  * Nul-terminate the string and return the number of characters needed.
+  */
+
+  *bufptr = '\0';
+
+  return (bytes);
+}
+#endif /* !HAVE_VSNPRINTF */
+
+
+/*
+ * '_mxml_vstrdupf()' - Format and duplicate a string.
+ */
+
+char *					/* O - New string pointer */
+_mxml_vstrdupf(const char *format,	/* I - Printf-style format string */
+               va_list    ap)		/* I - Pointer to additional arguments */
+{
+  int		bytes;			/* Number of bytes required */
+  char		*buffer,		/* String buffer */
+		temp[256];		/* Small buffer for first vsnprintf */
+  va_list	apcopy;			/* Copy of argument list */
+
+
+ /*
+  * First format with a tiny buffer; this will tell us how many bytes are
+  * needed...
+  */
+
+  va_copy(apcopy, ap);
+  bytes = vsnprintf(temp, sizeof(temp), format, apcopy);
+
+  if (bytes < sizeof(temp))
+  {
+   /*
+    * Hey, the formatted string fits in the tiny buffer, so just dup that...
+    */
+
+    return (strdup(temp));
+  }
+
+ /*
+  * Allocate memory for the whole thing and reformat to the new, larger
+  * buffer...
+  */
+
+  if ((buffer = calloc(1, bytes + 1)) != NULL)
+    vsnprintf(buffer, bytes + 1, format, ap);
+
+ /*
+  * Return the new string...
+  */
+
+  return (buffer);
+}
+
+
+/*
+ * End of "$Id: mxml-string.c 424 2010-12-25 16:21:50Z mike $".
+ */
diff --git a/tools/gator/daemon/mxml/mxml.h b/tools/gator/daemon/mxml/mxml.h
new file mode 100644
index 00000000000..79c711f4c80
--- /dev/null
+++ b/tools/gator/daemon/mxml/mxml.h
@@ -0,0 +1,329 @@
+/*
+ * "$Id: mxml.h 427 2011-01-03 02:03:29Z mike $"
+ *
+ * Header file for Mini-XML, a small XML-like file parsing library.
+ *
+ * Copyright 2003-2011 by Michael R Sweet.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Michael R Sweet and are protected by Federal copyright
+ * law.  Distribution and use rights are outlined in the file "COPYING"
+ * which should have been included with this file.  If this file is
+ * missing or damaged, see the license at:
+ *
+ *     http://www.minixml.org/
+ */
+
+/*
+ * Prevent multiple inclusion...
+ */
+
+#ifndef _mxml_h_
+#  define _mxml_h_
+
+/*
+ * Include necessary headers...
+ */
+
+#  include <stdio.h>
+#  include <stdlib.h>
+#  include <string.h>
+#  include <ctype.h>
+#  include <errno.h>
+
+
+/*
+ * Constants...
+ */
+
+#  define MXML_TAB		8	/* Tabs every N columns */
+
+#  define MXML_NO_CALLBACK	0	/* Don't use a type callback */
+#  define MXML_INTEGER_CALLBACK	mxml_integer_cb
+					/* Treat all data as integers */
+#  define MXML_OPAQUE_CALLBACK	mxml_opaque_cb
+					/* Treat all data as opaque */
+#  define MXML_REAL_CALLBACK	mxml_real_cb
+					/* Treat all data as real numbers */
+#  define MXML_TEXT_CALLBACK	0	/* Treat all data as text */
+#  define MXML_IGNORE_CALLBACK	mxml_ignore_cb
+					/* Ignore all non-element content */
+
+#  define MXML_NO_PARENT	0	/* No parent for the node */
+
+#  define MXML_DESCEND		1	/* Descend when finding/walking */
+#  define MXML_NO_DESCEND	0	/* Don't descend when finding/walking */
+#  define MXML_DESCEND_FIRST	-1	/* Descend for first find */
+
+#  define MXML_WS_BEFORE_OPEN	0	/* Callback for before open tag */
+#  define MXML_WS_AFTER_OPEN	1	/* Callback for after open tag */
+#  define MXML_WS_BEFORE_CLOSE	2	/* Callback for before close tag */
+#  define MXML_WS_AFTER_CLOSE	3	/* Callback for after close tag */
+
+#  define MXML_ADD_BEFORE	0	/* Add node before specified node */
+#  define MXML_ADD_AFTER	1	/* Add node after specified node */
+#  define MXML_ADD_TO_PARENT	NULL	/* Add node relative to parent */
+
+
+/*
+ * Data types...
+ */
+
+typedef enum mxml_sax_event_e		/**** SAX event type. ****/
+{
+  MXML_SAX_CDATA,			/* CDATA node */
+  MXML_SAX_COMMENT,			/* Comment node */
+  MXML_SAX_DATA,			/* Data node */
+  MXML_SAX_DIRECTIVE,			/* Processing directive node */
+  MXML_SAX_ELEMENT_CLOSE,		/* Element closed */
+  MXML_SAX_ELEMENT_OPEN			/* Element opened */
+} mxml_sax_event_t;
+
+typedef enum mxml_type_e		/**** The XML node type. ****/
+{
+  MXML_IGNORE = -1,			/* Ignore/throw away node @since Mini-XML 2.3@ */
+  MXML_ELEMENT,				/* XML element with attributes */
+  MXML_INTEGER,				/* Integer value */
+  MXML_OPAQUE,				/* Opaque string */
+  MXML_REAL,				/* Real value */
+  MXML_TEXT,				/* Text fragment */
+  MXML_CUSTOM				/* Custom data @since Mini-XML 2.1@ */
+} mxml_type_t;
+
+typedef void (*mxml_custom_destroy_cb_t)(void *);
+					/**** Custom data destructor ****/
+
+typedef void (*mxml_error_cb_t)(const char *);  
+					/**** Error callback function ****/
+
+typedef struct mxml_attr_s		/**** An XML element attribute value. @private@ ****/
+{
+  char			*name;		/* Attribute name */
+  char			*value;		/* Attribute value */
+} mxml_attr_t;
+
+typedef struct mxml_element_s		/**** An XML element value. @private@ ****/
+{
+  char			*name;		/* Name of element */
+  int			num_attrs;	/* Number of attributes */
+  mxml_attr_t		*attrs;		/* Attributes */
+} mxml_element_t;
+
+typedef struct mxml_text_s		/**** An XML text value. @private@ ****/
+{
+  int			whitespace;	/* Leading whitespace? */
+  char			*string;	/* Fragment string */
+} mxml_text_t;
+
+typedef struct mxml_custom_s		/**** An XML custom value. @private@ ****/
+{
+  void			*data;		/* Pointer to (allocated) custom data */
+  mxml_custom_destroy_cb_t destroy;	/* Pointer to destructor function */
+} mxml_custom_t;
+
+typedef union mxml_value_u		/**** An XML node value. @private@ ****/
+{
+  mxml_element_t	element;	/* Element */
+  int			integer;	/* Integer number */
+  char			*opaque;	/* Opaque string */
+  double		real;		/* Real number */
+  mxml_text_t		text;		/* Text fragment */
+  mxml_custom_t		custom;		/* Custom data @since Mini-XML 2.1@ */
+} mxml_value_t;
+
+struct mxml_node_s			/**** An XML node. @private@ ****/
+{
+  mxml_type_t		type;		/* Node type */
+  struct mxml_node_s	*next;		/* Next node under same parent */
+  struct mxml_node_s	*prev;		/* Previous node under same parent */
+  struct mxml_node_s	*parent;	/* Parent node */
+  struct mxml_node_s	*child;		/* First child node */
+  struct mxml_node_s	*last_child;	/* Last child node */
+  mxml_value_t		value;		/* Node value */
+  int			ref_count;	/* Use count */
+  void			*user_data;	/* User data */
+};
+
+typedef struct mxml_node_s mxml_node_t;	/**** An XML node. ****/
+
+struct mxml_index_s			 /**** An XML node index. @private@ ****/
+{
+  char			*attr;		/* Attribute used for indexing or NULL */
+  int			num_nodes;	/* Number of nodes in index */
+  int			alloc_nodes;	/* Allocated nodes in index */
+  int			cur_node;	/* Current node */
+  mxml_node_t		**nodes;	/* Node array */
+};
+
+typedef struct mxml_index_s mxml_index_t;
+					/**** An XML node index. ****/
+
+typedef int (*mxml_custom_load_cb_t)(mxml_node_t *, const char *);
+					/**** Custom data load callback function ****/
+
+typedef char *(*mxml_custom_save_cb_t)(mxml_node_t *);  
+					/**** Custom data save callback function ****/
+
+typedef int (*mxml_entity_cb_t)(const char *);
+					/**** Entity callback function */
+
+typedef mxml_type_t (*mxml_load_cb_t)(mxml_node_t *);
+					/**** Load callback function ****/
+
+typedef const char *(*mxml_save_cb_t)(mxml_node_t *, int);
+					/**** Save callback function ****/
+
+typedef void (*mxml_sax_cb_t)(mxml_node_t *, mxml_sax_event_t, void *);  
+					/**** SAX callback function ****/
+
+
+/*
+ * C++ support...
+ */
+
+#  ifdef __cplusplus
+extern "C" {
+#  endif /* __cplusplus */
+
+/*
+ * Prototypes...
+ */
+
+extern void		mxmlAdd(mxml_node_t *parent, int where,
+			        mxml_node_t *child, mxml_node_t *node);
+extern void		mxmlDelete(mxml_node_t *node);
+extern void		mxmlElementDeleteAttr(mxml_node_t *node,
+			                      const char *name);
+extern const char	*mxmlElementGetAttr(mxml_node_t *node, const char *name);
+extern void		mxmlElementSetAttr(mxml_node_t *node, const char *name,
+			                   const char *value);
+extern void		mxmlElementSetAttrf(mxml_node_t *node, const char *name,
+			                    const char *format, ...)
+#    ifdef __GNUC__
+__attribute__ ((__format__ (__printf__, 3, 4)))
+#    endif /* __GNUC__ */
+;
+extern int		mxmlEntityAddCallback(mxml_entity_cb_t cb);
+extern const char	*mxmlEntityGetName(int val);
+extern int		mxmlEntityGetValue(const char *name);
+extern void		mxmlEntityRemoveCallback(mxml_entity_cb_t cb);
+extern mxml_node_t	*mxmlFindElement(mxml_node_t *node, mxml_node_t *top,
+			                 const char *name, const char *attr,
+					 const char *value, int descend);
+extern mxml_node_t	*mxmlFindPath(mxml_node_t *node, const char *path);
+extern const char	*mxmlGetCDATA(mxml_node_t *node);
+extern const void	*mxmlGetCustom(mxml_node_t *node);
+extern const char	*mxmlGetElement(mxml_node_t *node);
+extern mxml_node_t	*mxmlGetFirstChild(mxml_node_t *node);
+extern int		mxmlGetInteger(mxml_node_t *node);
+extern mxml_node_t	*mxmlGetLastChild(mxml_node_t *node);
+extern mxml_node_t	*mxmlGetNextSibling(mxml_node_t *node);
+extern const char	*mxmlGetOpaque(mxml_node_t *node);
+extern mxml_node_t	*mxmlGetParent(mxml_node_t *node);
+extern mxml_node_t	*mxmlGetPrevSibling(mxml_node_t *node);
+extern double		mxmlGetReal(mxml_node_t *node);
+extern int		mxmlGetRefCount(mxml_node_t *node);
+extern const char	*mxmlGetText(mxml_node_t *node, int *whitespace);
+extern mxml_type_t	mxmlGetType(mxml_node_t *node);
+extern void		*mxmlGetUserData(mxml_node_t *node);
+extern void		mxmlIndexDelete(mxml_index_t *ind);
+extern mxml_node_t	*mxmlIndexEnum(mxml_index_t *ind);
+extern mxml_node_t	*mxmlIndexFind(mxml_index_t *ind,
+			               const char *element,
+			               const char *value);
+extern int		mxmlIndexGetCount(mxml_index_t *ind);
+extern mxml_index_t	*mxmlIndexNew(mxml_node_t *node, const char *element,
+			              const char *attr);
+extern mxml_node_t	*mxmlIndexReset(mxml_index_t *ind);
+extern mxml_node_t	*mxmlLoadFd(mxml_node_t *top, int fd,
+			            mxml_type_t (*cb)(mxml_node_t *));
+extern mxml_node_t	*mxmlLoadFile(mxml_node_t *top, FILE *fp,
+			              mxml_type_t (*cb)(mxml_node_t *));
+extern mxml_node_t	*mxmlLoadString(mxml_node_t *top, const char *s,
+			                mxml_type_t (*cb)(mxml_node_t *));
+extern mxml_node_t	*mxmlNewCDATA(mxml_node_t *parent, const char *string);
+extern mxml_node_t	*mxmlNewCustom(mxml_node_t *parent, void *data,
+			               mxml_custom_destroy_cb_t destroy);
+extern mxml_node_t	*mxmlNewElement(mxml_node_t *parent, const char *name);
+extern mxml_node_t	*mxmlNewInteger(mxml_node_t *parent, int integer);
+extern mxml_node_t	*mxmlNewOpaque(mxml_node_t *parent, const char *opaque);
+extern mxml_node_t	*mxmlNewReal(mxml_node_t *parent, double real);
+extern mxml_node_t	*mxmlNewText(mxml_node_t *parent, int whitespace,
+			             const char *string);
+extern mxml_node_t	*mxmlNewTextf(mxml_node_t *parent, int whitespace,
+			              const char *format, ...)
+#    ifdef __GNUC__
+__attribute__ ((__format__ (__printf__, 3, 4)))
+#    endif /* __GNUC__ */
+;
+extern mxml_node_t	*mxmlNewXML(const char *version);
+extern int		mxmlRelease(mxml_node_t *node);
+extern void		mxmlRemove(mxml_node_t *node);
+extern int		mxmlRetain(mxml_node_t *node);
+extern char		*mxmlSaveAllocString(mxml_node_t *node,
+			        	     mxml_save_cb_t cb);
+extern int		mxmlSaveFd(mxml_node_t *node, int fd,
+			           mxml_save_cb_t cb);
+extern int		mxmlSaveFile(mxml_node_t *node, FILE *fp,
+			             mxml_save_cb_t cb);
+extern int		mxmlSaveString(mxml_node_t *node, char *buffer,
+			               int bufsize, mxml_save_cb_t cb);
+extern mxml_node_t	*mxmlSAXLoadFd(mxml_node_t *top, int fd,
+			               mxml_type_t (*cb)(mxml_node_t *),
+			               mxml_sax_cb_t sax, void *sax_data);
+extern mxml_node_t	*mxmlSAXLoadFile(mxml_node_t *top, FILE *fp,
+			                 mxml_type_t (*cb)(mxml_node_t *),
+			                 mxml_sax_cb_t sax, void *sax_data);
+extern mxml_node_t	*mxmlSAXLoadString(mxml_node_t *top, const char *s,
+			                   mxml_type_t (*cb)(mxml_node_t *),
+			                   mxml_sax_cb_t sax, void *sax_data);
+extern int		mxmlSetCDATA(mxml_node_t *node, const char *data);
+extern int		mxmlSetCustom(mxml_node_t *node, void *data,
+			              mxml_custom_destroy_cb_t destroy);
+extern void		mxmlSetCustomHandlers(mxml_custom_load_cb_t load,
+			                      mxml_custom_save_cb_t save);
+extern int		mxmlSetElement(mxml_node_t *node, const char *name);
+extern void		mxmlSetErrorCallback(mxml_error_cb_t cb);
+extern int		mxmlSetInteger(mxml_node_t *node, int integer);
+extern int		mxmlSetOpaque(mxml_node_t *node, const char *opaque);
+extern int		mxmlSetReal(mxml_node_t *node, double real);
+extern int		mxmlSetText(mxml_node_t *node, int whitespace,
+			            const char *string);
+extern int		mxmlSetTextf(mxml_node_t *node, int whitespace,
+			             const char *format, ...)
+#    ifdef __GNUC__
+__attribute__ ((__format__ (__printf__, 3, 4)))
+#    endif /* __GNUC__ */
+;
+extern int		mxmlSetUserData(mxml_node_t *node, void *data);
+extern void		mxmlSetWrapMargin(int column);
+extern mxml_node_t	*mxmlWalkNext(mxml_node_t *node, mxml_node_t *top,
+			              int descend);
+extern mxml_node_t	*mxmlWalkPrev(mxml_node_t *node, mxml_node_t *top,
+			              int descend);
+
+
+/*
+ * Semi-private functions...
+ */
+
+extern void		mxml_error(const char *format, ...);
+extern mxml_type_t	mxml_ignore_cb(mxml_node_t *node);
+extern mxml_type_t	mxml_integer_cb(mxml_node_t *node);
+extern mxml_type_t	mxml_opaque_cb(mxml_node_t *node);
+extern mxml_type_t	mxml_real_cb(mxml_node_t *node);
+
+
+/*
+ * C++ support...
+ */
+
+#  ifdef __cplusplus
+}
+#  endif /* __cplusplus */
+#endif /* !_mxml_h_ */
+
+
+/*
+ * End of "$Id: mxml.h 427 2011-01-03 02:03:29Z mike $".
+ */
diff --git a/tools/gator/debian/changelog b/tools/gator/debian/changelog
new file mode 100644
index 00000000000..dd0b63c549f
--- /dev/null
+++ b/tools/gator/debian/changelog
@@ -0,0 +1,98 @@
+gator (5.10.0) precise; urgency=low
+
+  * New release from ARM.
+
+ -- Jon Medhurst (Tixy) <jon.medhurst@linaro.org>  Thu, 10 May 2012 16:47:32 +0000
+
+gator (5.9.7) precise; urgency=low
+
+  * New source and binary package layout with automated packaging scripts.
+
+ -- Jon Medhurst (Tixy) <jon.medhurst@linaro.org>  Wed, 2 May 2012 17:01:18 +0000
+
+gator-daemon (5.9-6) precise; urgency=low
+
+  * Remove Depends: gator-module* as Linaro kernels should
+    now all contain the required module.
+
+ -- Jon Medhurst (Tixy) <jon.medhurst@linaro.org>  Wed, 25 Apr 2012 18:06:28 +0000
+
+gator-daemon (5.9-5) precise; urgency=low
+
+  * Move to armhf and Precise
+
+ -- Jon Medhurst (Tixy) <jon.medhurst@linaro.org>  Wed, 25 Apr 2012 10:16:00 +0000
+
+gator-daemon (5.9-4) oneiric; urgency=low
+
+  * Add alternative Depends on gator-module-in-tree.
+
+ -- Jon Medhurst (Tixy) <jon.medhurst@linaro.org>  Fri, 16 Mar 2012 18:24:27 +0000
+
+gator-daemon (5.9-3) oneiric; urgency=low
+
+  * Add missing build depends: 'quilt'.
+
+ -- Jon Medhurst (Tixy) <jon.medhurst@linaro.org>  Thu, 23 Feb 2012 13:59:08 +0000
+
+gator-daemon (5.9-2) oneiric; urgency=low
+
+  [ Wade Cherry ]
+  * Fix counters initialisation
+
+ -- Jon Medhurst (Tixy) <jon.medhurst@linaro.org>  Thu, 23 Feb 2012 12:06:33 +0000
+
+gator-daemon (5.9-1) oneiric; urgency=low
+
+  * New upstream release (DS-5.9)
+
+ -- Jon Medhurst (Tixy) <jon.medhurst@linaro.org>  Mon, 20 Feb 2012 10:35:47 +0000
+
+gator-daemon (5.9~rc1-1) oneiric; urgency=low
+
+  * New upstream release (DS-5.9)
+
+ -- Jon Medhurst (Tixy) <jon.medhurst@linaro.org>  Wed, 15 Feb 2012 14:38:26 +0000
+
+gator-daemon (5.8-1) oneiric; urgency=low
+
+  * New upstream release
+
+ -- Ricardo Salveti de Araujo <ricardo.salveti@linaro.org>  Fri, 25 Nov 2011 12:41:57 -0200
+
+gator-daemon (5.8~rc2-1) oneiric; urgency=low
+
+  * New upstream version (DS-5.8~rc2)
+
+ -- Ricardo Salveti de Araujo <ricardo.salveti@linaro.org>  Wed, 16 Nov 2011 15:30:07 -0200
+
+gator-daemon (5.7-2) natty; urgency=low
+
+  * Package now depends on the new gator-module meta package
+
+ -- Ricardo Salveti de Araujo <ricardo.salveti@linaro.org>  Mon, 10 Oct 2011 23:39:34 -0300
+
+gator-daemon (5.7-1) natty; urgency=low
+
+  * Updated to DS-5.7 release
+  * Added sources (GPLv2)
+
+ -- Pawel Moll <pawel.moll@arm.com>  Fri, 30 Sep 2011 16:02:05 +0100
+
+gator-daemon (5.6-2) natty; urgency=low
+
+  * Added dependency on 5.6 version of the gator-module[-dkms]
+
+ -- Pawel Moll <pawel.moll@arm.com>  Tue, 13 Sep 2011 15:59:37 +0100
+
+gator-daemon (5.6-1) natty; urgency=low
+
+  * Updated to DS-5.6 release
+
+ -- Pawel Moll <pawel.moll@arm.com>  Wed, 03 Aug 2011 11:54:40 +0100
+
+gator-daemon (5.5-1) natty; urgency=low
+
+  * Initial release
+
+ -- Pawel Moll <pawel.moll@arm.com>  Mon, 06 Jun 2011 18:42:31 +0100
diff --git a/tools/gator/debian/compat b/tools/gator/debian/compat
new file mode 100644
index 00000000000..45a4fb75db8
--- /dev/null
+++ b/tools/gator/debian/compat
@@ -0,0 +1 @@
+8
diff --git a/tools/gator/debian/control b/tools/gator/debian/control
new file mode 100644
index 00000000000..b6defbc6d02
--- /dev/null
+++ b/tools/gator/debian/control
@@ -0,0 +1,28 @@
+Source: gator
+Section: devel
+Priority: extra
+Maintainer: Pawel Moll <pawel.moll@arm.com>
+Build-Depends: debhelper (>= 7.0.5), vim-common
+Standards-Version: 3.9.2
+Homepage: http://www.arm.com/ds-5
+
+Package: gator
+Architecture: armhf
+Depends: ${misc:Depends}, gator-daemon (>= 5.9.0)
+Description: ARM Streamline gator
+ This meta-package depends on gator target packages required to use
+ ARM Streamline Performance Analyzer.
+
+Package: gator-daemon
+Architecture: armhf
+Depends: ${shlibs:Depends}, ${misc:Depends}
+Description: ARM Streamline gator daemon
+ The target-side daemon gathering data for ARM Streamline
+ Performance Analyzer.
+
+Package: arm-ds5-target
+Architecture: armhf
+Depends: ${misc:Depends}, gdbserver (>= 6.8), openssh-server | ssh-server, gator (>= 5.9.0)
+Description: ARM DS-5 target dependencies
+ This meta-package depends on all components required to receive
+ full ARM DS-5 experience.
diff --git a/tools/gator/debian/copyright b/tools/gator/debian/copyright
new file mode 100644
index 00000000000..3ed568c02e8
--- /dev/null
+++ b/tools/gator/debian/copyright
@@ -0,0 +1,15 @@
+Files: *
+Copyright: 2010-2012 ARM Ltd.
+License: GPL-2
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License.
+ .
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+ .
+ You should have received a copy of the GNU General Public License
+ with your system, in /usr/share/common-licenses/GPL-2.  If not, see
+ <http://www.gnu.org/licenses/>.
diff --git a/tools/gator/debian/gator-daemon.install b/tools/gator/debian/gator-daemon.install
new file mode 100644
index 00000000000..7b0d218c425
--- /dev/null
+++ b/tools/gator/debian/gator-daemon.install
@@ -0,0 +1 @@
+daemon/gatord /usr/sbin/
diff --git a/tools/gator/debian/gator-daemon.postrm b/tools/gator/debian/gator-daemon.postrm
new file mode 100644
index 00000000000..97518f4e1a1
--- /dev/null
+++ b/tools/gator/debian/gator-daemon.postrm
@@ -0,0 +1,41 @@
+#!/bin/sh
+# postrm script for gator-daemon
+#
+# see: dh_installdeb(1)
+
+set -e
+
+# summary of how this script can be called:
+#        * <postrm> `remove'
+#        * <postrm> `purge'
+#        * <old-postrm> `upgrade' <new-version>
+#        * <new-postrm> `failed-upgrade' <old-version>
+#        * <new-postrm> `abort-install'
+#        * <new-postrm> `abort-install' <old-version>
+#        * <new-postrm> `abort-upgrade' <old-version>
+#        * <disappearer's-postrm> `disappear' <overwriter>
+#          <overwriter-version>
+# for details, see http://www.debian.org/doc/debian-policy/ or
+# the debian-policy package
+
+
+case "$1" in
+    purge)
+        rm -rf /var/lib/gatord/
+    ;;
+
+    remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
+    ;;
+
+    *)
+        echo "postrm called with unknown argument \`$1'" >&2
+        exit 1
+    ;;
+esac
+
+# dh_installdeb will replace this with shell code automatically
+# generated by other debhelper scripts.
+
+#DEBHELPER#
+
+exit 0
diff --git a/tools/gator/debian/gator-daemon.preinst b/tools/gator/debian/gator-daemon.preinst
new file mode 100644
index 00000000000..bb2dc7e5fe7
--- /dev/null
+++ b/tools/gator/debian/gator-daemon.preinst
@@ -0,0 +1,36 @@
+#!/bin/sh
+# preinst script for gator-daemon
+#
+# see: dh_installdeb(1)
+
+set -e
+
+# summary of how this script can be called:
+#        * <new-preinst> `install'
+#        * <new-preinst> `install' <old-version>
+#        * <new-preinst> `upgrade' <old-version>
+#        * <old-preinst> `abort-upgrade' <new-version>
+# for details, see http://www.debian.org/doc/debian-policy/ or
+# the debian-policy package
+
+
+case "$1" in
+    install|upgrade)
+        mkdir -p /var/lib/gatord/
+    ;;
+
+    abort-upgrade)
+    ;;
+
+    *)
+        echo "preinst called with unknown argument \`$1'" >&2
+        exit 1
+    ;;
+esac
+
+# dh_installdeb will replace this with shell code automatically
+# generated by other debhelper scripts.
+
+#DEBHELPER#
+
+exit 0
diff --git a/tools/gator/debian/gator-daemon.upstart b/tools/gator/debian/gator-daemon.upstart
new file mode 100644
index 00000000000..1564efc5339
--- /dev/null
+++ b/tools/gator/debian/gator-daemon.upstart
@@ -0,0 +1,10 @@
+description	"Load gator driver module and launch gator daemon"
+author		"Pawel Moll <pawel.moll@arm.com>"
+
+start on filesystem
+
+exec /usr/sbin/gatord -c /var/lib/gatord/configuration.xml
+
+pre-start script
+	modprobe -q gator || true
+end script
diff --git a/tools/gator/debian/rules b/tools/gator/debian/rules
new file mode 100755
index 00000000000..c747748ff83
--- /dev/null
+++ b/tools/gator/debian/rules
@@ -0,0 +1,15 @@
+#!/usr/bin/make -f
+
+DEB_HOST_GNU_TYPE  = $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
+DEB_BUILD_GNU_TYPE = $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
+
+ifneq ($(DEB_BUILD_GNU_TYPE),$(DEB_HOST_GNU_TYPE))
+	CROSS_COMPILE ?= $(DEB_HOST_GNU_TYPE)-
+endif
+
+export CROSS_COMPILE
+
+export DH_OPTIONS
+
+%:
+	dh $@
diff --git a/tools/gator/debian/scripts/do-packaging b/tools/gator/debian/scripts/do-packaging
new file mode 100755
index 00000000000..9562f2a685b
--- /dev/null
+++ b/tools/gator/debian/scripts/do-packaging
@@ -0,0 +1,86 @@
+#!/bin/bash
+
+set -e
+
+while [ $1 ]
+do
+	OPT=$1
+	shift
+	if [ "$OPT" == "--commit" ]
+	then
+		OPT_COMMIT=y
+		continue
+	fi
+	if [ "$OPT" == "--sign" ]
+	then
+		OPT_SIGN=y
+		continue
+	fi
+	echo $0: Unknown option: "$OPT" 1>&2
+	exit 1
+done
+
+
+#
+# Clean working dirctory
+#
+
+git reset --hard HEAD
+git clean -dfx ..
+
+
+#
+# Update changelog
+#
+
+if [ "$DEBEMAIL" == "" -o "$DEBFULLNAME" == "" ]
+then
+	export DEBEMAIL='jon.medhurst@linaro.org'
+	export DEBFULLNAME='Jon Medhurst (Tixy)'
+fi
+dch -i -c debian/changelog CHANGE_MSG
+
+TIMESTAMP="$(date -u +%Y%m%d%H%M%S)"
+sed -i -e "1 s/ubuntu1/-$TIMESTAMP/" debian/changelog
+
+GIT_COMMIT="$(git rev-parse HEAD)"
+GIT_REMOTE_AND_BRANCH="$(git show-ref | sed -n 's,'$GIT_COMMIT'.*refs/remotes/\(.*\),\1,p' | sed -n 1p)"
+GIT_REMOTE=$(echo $GIT_REMOTE_AND_BRANCH | awk -F/ '{print $1}')
+GIT_BRANCH=$(echo $GIT_REMOTE_AND_BRANCH | awk -F/ '{print $2}')
+GIT_URL="$(git remote -v show $GIT_REMOTE | sed -n 's/.*Fetch URL: \(.*\)/\1/p')"
+GIT_TAG="$(git describe --exact-match --tags $GIT_COMMIT 2>/dev/null || echo "")"
+
+CHANGE_MSG="Automatically packaged from git repository:\n"
+CHANGE_MSG="$CHANGE_MSG    URL:    $GIT_URL\n"
+CHANGE_MSG="$CHANGE_MSG    Tag:    $GIT_TAG\n"
+CHANGE_MSG="$CHANGE_MSG    Branch: $GIT_BRANCH\n"
+CHANGE_MSG="$CHANGE_MSG    Commit: $GIT_COMMIT"
+sed -i -e "s%CHANGE_MSG%$CHANGE_MSG%" debian/changelog
+
+echo $CHANGE_MSG
+
+VERSION="$(sed -n '1s/.*(\(.*\)).*/\1/p' debian/changelog)"
+
+
+#
+# Commit changes
+#
+
+if [ $OPT_COMMIT ]
+then
+	git add debian/changelog
+	git commit -s -m "gator-$VERSION: Automated packaging"
+fi
+
+
+#
+# Build packages
+#
+
+if [ ! $OPT_SIGN ]
+then
+	DEBUILD_SIGN="-us -uc"
+fi
+
+debuild $DEBUILD_SIGN -aarmhf -b
+debuild --no-tgz-check $DEBUILD_SIGN -S