PM / sleep: trace events for suspend/resume

[cascardo/linux.git] / kernel / power / hibernate.c

diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index df88d55..49e0a20 100644 (file)
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -28,6 +28,7 @@
 #include <linux/syscore_ops.h>
 #include <linux/ctype.h>
 #include <linux/genhd.h>
+#include <trace/events/power.h>
 
 #include "power.h"
 
@@ -292,7 +293,9 @@ static int create_image(int platform_mode)
 
        in_suspend = 1;
        save_processor_state();
+       trace_suspend_resume(TPS("machine_suspend"), PM_EVENT_HIBERNATE, true);
        error = swsusp_arch_suspend();
+       trace_suspend_resume(TPS("machine_suspend"), PM_EVENT_HIBERNATE, false);
        if (error)
                printk(KERN_ERR "PM: Error %d creating hibernation image\n",
                        error);