Re: [PATCH 1/2] perf sched: Prefer sched_waking event when it exists

From: Arnaldo Carvalho de Melo
Date: Wed Aug 12 2020 - 08:19:18 EST


Em Tue, Aug 11, 2020 at 03:42:45PM +0900, Namhyung Kim escreveu:
> Hi David,
>
> On Sat, Aug 8, 2020 at 1:48 AM David Ahern <dsahern@xxxxxxxxxx> wrote:
> >
> > Commit fbd705a0c618 ("sched: Introduce the 'trace_sched_waking' tracepoint")
> > added sched_waking tracepoint which should be preferred over sched_wakeup
> > when analyzing scheduling delays.
> >
> > Update 'perf sched record' to collect sched_waking events if it exists
> > and fallback to sched_wakeup if it does not. Similarly, update timehist
> > command to skip sched_wakeup events if the session includes
> > sched_waking (ie., sched_waking is preferred over sched_wakeup).
> >
> > Signed-off-by: David Ahern <dsahern@xxxxxxxxxx>
>
> Acked-by: Namhyung Kim <namhyung@xxxxxxxxxx>

Thanks, applied.

- Arnaldo