linux-kernel - Re: [PATCH] perf lock: Change to synthesize task events

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Message-ID: <CAP-5=fXk35KSaNOSsymx=2=Yw5CG7=Rr3X0aRCFaTggfhts7dA@mail.gmail.com>
Date:   Thu, 26 May 2022 16:05:07 -0700
From:   Ian Rogers <irogers@...gle.com>
To:     Namhyung Kim <namhyung@...nel.org>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>, Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-perf-users@...r.kernel.org
Subject: Re: [PATCH] perf lock: Change to synthesize task events

On Thu, May 26, 2022 at 2:31 PM Namhyung Kim <namhyung@...nel.org> wrote:
>
> With -t/--threads option, it needs to display task names so synthesize
> task related events at the beginning.
>
> Fixes: 7c3bcbdf449f ("perf lock: Add -t/--thread option for report")
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>

Acked-by: Ian Rogers <irogers@...gle.com>

Thanks,
Ian

> ---
>  tools/perf/builtin-lock.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
> index b1200b7340a6..23a33ac15e68 100644
> --- a/tools/perf/builtin-lock.c
> +++ b/tools/perf/builtin-lock.c
> @@ -1083,7 +1083,7 @@ static int __cmd_report(bool display_info)
>  static int __cmd_record(int argc, const char **argv)
>  {
>         const char *record_args[] = {
> -               "record", "-R", "-m", "1024", "-c", "1", "--synth", "no",
> +               "record", "-R", "-m", "1024", "-c", "1", "--synth", "task",
>         };
>         unsigned int rec_argc, i, j, ret;
>         const char **rec_argv;
> --
> 2.36.1.124.g0e6072fb45-goog
>