linux-kernel - Re: [PATCH] perf version: Display availability of OpenCSD support

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Date: Fri, 1 Mar 2024 08:38:37 -0800
From: Ian Rogers <irogers@...gle.com>
To: James Clark <james.clark@....com>
Cc: linux-perf-users@...r.kernel.org, al.grant@....com, 
	Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
	Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, 
	Mark Rutland <mark.rutland@....com>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 
	Adrian Hunter <adrian.hunter@...el.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf version: Display availability of OpenCSD support

On Fri, Mar 1, 2024 at 5:39 AM James Clark <james.clark@....com> wrote:
>
> This is useful for scripts that work with Perf and ETM trace. Rather
> than them trying to parse Perf's error output at runtime to see if it
> was linked or not.
>
> Signed-off-by: James Clark <james.clark@....com>

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

Thanks,
Ian

> ---
>  tools/perf/builtin-version.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/tools/perf/builtin-version.c b/tools/perf/builtin-version.c
> index 1bafe5855ae7..398aa53e9e2e 100644
> --- a/tools/perf/builtin-version.c
> +++ b/tools/perf/builtin-version.c
> @@ -84,6 +84,7 @@ static void library_status(void)
>         STATUS(HAVE_LIBTRACEEVENT, libtraceevent);
>         STATUS(HAVE_BPF_SKEL, bpf_skeletons);
>         STATUS(HAVE_DWARF_UNWIND_SUPPORT, dwarf-unwind-support);
> +       STATUS(HAVE_CSTRACE_SUPPORT, libopencsd);
>  }
>
>  int cmd_version(int argc, const char **argv)
> --
> 2.34.1
>