Re: [PATCH] PERF(kernel): Cleanup power events V2

["Rafael J. Wysocki" <rjw@sisk.pl>]

On Wednesday, October 27, 2010, Thomas Renninger wrote:
> 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:

No problem with that as far as I'm concerned.

Thanks,
Rafael


> Signed-off-by: Jean Pihet <j-pihet@ti.com>
> CC: Thomas Renninger <trenn@suse.de>
> Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
> 
> ---
>  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();
> 
>