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authorJonas Aaberg <jonas.aberg@stericsson.com>2010-09-06 12:56:31 +0200
committerMichael BRANDT <michael.brandt@stericsson.com>2010-09-16 15:22:47 +0200
commite8c699eb1f7a50b4f10024c41b8c86f907233f8d (patch)
treef62d922897024c83990e54398c05a1531d1bf786 /include
parentf1f51a277554486f3f46e9a4c16e9a2c78e730de (diff)
boottime: Enable boot time measurements.
This patch enables boot time measurements for u-boot. It also includes minor updates as well. Change-Id: I993c9ad4fa5dab62df2c0a88454a7546d9565d21 Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/4610 Reviewed-by: Robert ROSENGREN <robert.rosengren@stericsson.com> Reviewed-by: Michael BRANDT <michael.brandt@stericsson.com>
Diffstat (limited to 'include')
-rw-r--r--include/boottime.h44
-rw-r--r--include/configs/u8500.h5
2 files changed, 42 insertions, 7 deletions
diff --git a/include/boottime.h b/include/boottime.h
index 95f039170..b48696bde 100644
--- a/include/boottime.h
+++ b/include/boottime.h
@@ -28,17 +28,47 @@ struct boottime_entry {
u8 name[BOOTTIME_MAX_NAME_LEN];
};
-#ifdef CONFIG_BOOTTIME
+/**
+ * boottime_tag()
+ * Add a sample point with a name now. Shall be called before function "name"
+ * is executed.
+ * @name: Sample point name.
+ */
void boottime_tag(char *name);
-void boottime_remove_last(void);
+
+/**
+ * boottime_get_entry()
+ *
+ * Loads a boottime measure point information.
+ * @i: boottime measurement point entry.
+ *
+ * Returns a boottime entry. NULL, if not existing.
+ */
struct boottime_entry *boottime_get_entry(unsigned int i);
+
+/**
+ * boottime_idle_get()
+ *
+ * Returns the amount of time in us that has been spent idling.
+ */
unsigned long boottime_idle_get(void);
+
+/**
+ * boottime_idle_done()
+ *
+ * Returns the total time since start in us.
+ */
unsigned long boottime_idle_done(void);
+
+/**
+ * boottime_idle_add()
+ *
+ * This function shall be added to all delay() functions.
+ * The delay time input to delay() shall be provided to this
+ * function as well. It is used to calculate average load
+ * during boot.
+ * @time: time in us.
+ */
void boottime_idle_add(unsigned long time);
-#else
-#define boottime_tag(x)
-#define boottime_remove_last()
-#define boottime_idle_add(x)
-#endif
#endif
diff --git a/include/configs/u8500.h b/include/configs/u8500.h
index 24b7b47fa..35d7833b1 100644
--- a/include/configs/u8500.h
+++ b/include/configs/u8500.h
@@ -41,6 +41,8 @@
#define CONFIG_SYS_TIMERBASE 0xA03C6000 /* MTU0 timer */
#endif
+#define CONFIG_BOOTTIME
+
#define BOARD_LATE_INIT 1
/*-----------------------------------------------------------------------
@@ -144,8 +146,11 @@
"console=${console}\0" \
"emmcboot=echo Booting from eMMC ...; " \
"run commonargs emmcargs addcons memargs;" \
+ "boottime_tag write_partition;" \
"write_partition_block;" \
+ "boottime_tag load_kernel;" \
"mmc read 0 ${loadaddr} 0xA0000 0x4000;" \
+ "boottime_tag boot_kernel;" \
"bootm ${loadaddr}\0" \
"cmdfile=mmc init 1;mmc_read_cmd_file;run bootcmd\0" \
"flash=mmc init 1;fatload mmc 1 ${loadaddr} flash.scr;" \