linux-kernel - Re: [PATCH 1/2] perf sched: Prefer sched

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Date:   Wed, 12 Aug 2020 09:19:13 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Namhyung Kim <namhyung@...nel.org>
Cc:     David Ahern <dsahern@...nel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Jiri Olsa <jolsa@...nel.org>
Subject: Re: [PATCH 1/2] perf sched: Prefer sched_waking event when it exists

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@...nel.org> 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@...nel.org>
> 
> Acked-by: Namhyung Kim <namhyung@...nel.org>

Thanks, applied.

- Arnaldo