linux-kernel - Re: [PATCH] perf script: Add 'cgroup' field for output

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Message-ID: <CAM9d7cgzo+LN2dXBkSDd_fyP1XdOu7WjokFARE=L415h0dc-Gg@mail.gmail.com>
Date:   Thu, 26 Jan 2023 12:34:22 -0800
From:   Namhyung Kim <namhyung@...nel.org>
To:     Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
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>,
        Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        linux-perf-users@...r.kernel.org,
        Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH] perf script: Add 'cgroup' field for output

Hi Arnaldo,

On Thu, Jan 26, 2023 at 12:06 PM Arnaldo Carvalho de Melo
<arnaldo.melo@...il.com> wrote:
>
>
>
> On January 26, 2023 4:42:30 PM GMT-03:00, Namhyung Kim <namhyung@...nel.org> wrote:
> >There's no field for the cgroup, let's add one.  To do that, users need to
> >specify --all-cgroup option for perf record to capture the cgroup info.
>
>
> This information about the new field being only available when --all-cgroup is specified should be in the documentation (man page) and probably in the tool itself, refusing it when the needed command line isn't present.

Ok, will update.

Thanks,
Namhyung