Re: [PATCH 1/2] kernel/events: Add option to notify through signals on wakeup

2017-07-13 Thread Naveen N. Rao
On 2017/07/12 01:46PM, Peter Zijlstra wrote: > On Mon, Jun 19, 2017 at 08:01:07PM +0530, Naveen N. Rao wrote: > > > diff --git a/kernel/events/core.c b/kernel/events/core.c > > index 6c4e523dc1e2..812fcfc767f4 100644 > > --- a/kernel/events/core.c > > +++ b/kernel/events/core.c > > @@ -2679,7 +267

Re: [PATCH 1/2] kernel/events: Add option to notify through signals on wakeup

2017-07-12 Thread Peter Zijlstra
On Mon, Jun 19, 2017 at 08:01:07PM +0530, Naveen N. Rao wrote: > diff --git a/kernel/events/core.c b/kernel/events/core.c > index 6c4e523dc1e2..812fcfc767f4 100644 > --- a/kernel/events/core.c > +++ b/kernel/events/core.c > @@ -2679,7 +2679,8 @@ static int _perf_event_refresh(struct perf_event >

[PATCH 1/2] kernel/events: Add option to notify through signals on wakeup

2017-06-19 Thread Naveen N. Rao
Add a new option 'signal_on_wakeup' to request for a signal to be delivered on ring buffer wakeup controlled through watermark and {wakeup_events, wakeup_watermark}. Signed-off-by: Naveen N. Rao --- include/uapi/linux/perf_event.h | 3 ++- kernel/events/core.c| 18 +++---