On Tuesday 26 October 2010 08:57:01 pm Rafael J. Wysocki wrote:
> On Tuesday, October 26, 2010, Thomas Renninger wrote:
> > >
> > > Ok, that's at least generic. Needs the review of Rafael, to determine
> > > whether this state value is all we want to know when we enter suspend.
> > He already gave an acked-by on this generic one here:
> > Re: [PATCH 3/4] perf: add calls to suspend trace point
> > Oh now, that was on the X86 specific part which depends on this one.
> > One should expect that he's fine with the generic part as well then,
> > but I agree that he should definitely have a look at this and sign it off.
>
> What patch exactly do you mean? I'm not quite sure from your comment above.
Eh, Jean's patch, sorry about that.
Needs a tiny change to use PWR_EVENT_EXIT instead of 0 with
my new patch series:
Signed-off-by: Jean Pihet <j-pihet@xxxxxx>
CC: Thomas Renninger <trenn@xxxxxxx>
Acked-by: Rafael J. Wysocki <rjw@xxxxxxx>
---
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 7335952..10cad5c 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(0);
events_check_enabled = false;
}
sysdev_resume();
--
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