linux-kernel - Re: [PATCH 1/5] perf lock: Change to synthesize task events

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Date:   Fri, 3 Jun 2022 21:28:47 +0200
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Namhyung Kim <namhyung@...nel.org>
Cc:     Jiri Olsa <jolsa@...nel.org>, Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ian Rogers <irogers@...gle.com>,
        linux-perf-users@...r.kernel.org, Will Deacon <will@...nel.org>,
        Waiman Long <longman@...hat.com>,
        Boqun Feng <boqun.feng@...il.com>,
        Davidlohr Bueso <dave@...olabs.net>
Subject: Re: [PATCH 1/5] perf lock: Change to synthesize task events

Em Tue, May 31, 2022 at 11:58:42PM -0700, Namhyung Kim escreveu:
> With -t/--threads option, it needs to display task names so synthesize
> task related events at the beginning.

Cherry picked this one.
 
> Fixes: 7c3bcbdf449f ("perf lock: Add -t/--thread option for report")
> Acked-by: Ian Rogers <irogers@...gle.com>
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>
> ---
>  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;
> 
> base-commit: 9dde6cadb92b5670b23b97ec53091df0530ec38b
> -- 
> 2.36.1.255.ge46751e96f-goog

-- 

- Arnaldo