diff options
| author | Jean Pihet <j-pihet@ti.com> | 2011-01-05 19:49:01 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-01-05 21:25:28 +0100 |
| commit | 938cfed18bec2c7361f37efc954712a7cc42c353 (patch) | |
| tree | 39aa3792d84ae74d7c5cbf7c14779ebe5b221e31 /kernel/power | |
| parent | eccdfe2d245a882feacc4630c9bc29805e9929c8 (diff) | |
perf: Add calls to suspend trace point
Uses the machine_suspend trace point, called from the
generic kernel suspend_devices_and_enter function.
Signed-off-by: Jean Pihet <j-pihet@ti.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Arjan van de Ven <arjan@linux.intel.com>
CC: Thomas Renninger <trenn@suse.de>
Cc: Len Brown <len.brown@intel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: linux-pm@lists.linux-foundation.org
LKML-Reference: <1294253342-29056-2-git-send-email-j-pihet@ti.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/power')
| -rw-r--r-- | kernel/power/suspend.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index ecf770509d0..031d5e3a619 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" @@ -201,6 +202,7 @@ int suspend_devices_and_enter(suspend_state_t state) if (!suspend_ops) return -ENOSYS; + trace_machine_suspend(state); if (suspend_ops->begin) { error = suspend_ops->begin(state); if (error) @@ -229,6 +231,7 @@ int suspend_devices_and_enter(suspend_state_t state) Close: if (suspend_ops->end) suspend_ops->end(); + trace_machine_suspend(PWR_EVENT_EXIT); return error; Recover_platform: |