1 files changed, 0 insertions, 114 deletions
diff --git a/drivers/gator/driver/gator_events_sched.c b/drivers/gator/driver/gator_events_sched.c
deleted file mode 100644
index 9bed3641dbb..00000000000
--- a/drivers/gator/driver/gator_events_sched.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/**
- * 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);