[1/3] perf: add calls to suspend trace point

Commit Message

Jean Pihet Dec. 10, 2010, 7:51 p.m. UTC

None

Patch

diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index ecf7705..0650596 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -22,6 +22,7 @@ 
 #include <linux/mm.h>
 #include <linux/slab.h>
 #include <linux/suspend.h>
+#include <trace/events/power.h>
 
 #include "power.h"
 
@@ -164,7 +165,9 @@  static int suspend_enter(suspend_state_t state)
 	error = sysdev_suspend(PMSG_SUSPEND);
 	if (!error) {
 		if (!suspend_test(TEST_CORE) && pm_check_wakeup_events()) {
+			trace_machine_suspend(state);
 			error = suspend_ops->enter(state);
+			trace_machine_suspend(PWR_EVENT_EXIT);
 			events_check_enabled = false;
 		}
 		sysdev_resume();