Re: [PATCH] perf: add --symfs option to perf annotate

From: David Ahern
Date: Fri Jul 29 2011 - 19:38:32 EST


On 07/29/2011 05:20 PM, Stephane Eranian wrote:
>
> If you have --symfs in perf report, then you also need it
> for perf annotate. This allows off-box assembly level analysis
> of perf.data samples.
>
> This patch complements:
>
> commit ec5761eab318e50e69fcf8e63e9edaef5949c067
> Author: David Ahern <daahern@xxxxxxxxx>
> Date: Thu Dec 9 13:27:07 2010 -0700
>
> perf symbols: Add symfs option for off-box analysis using specified tree
>
> Signed-off-by: Stephane Eranian <eranian@xxxxxxxxxx>
> ---
>
> diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt
> index 85c5f02..15919dd 100644
> --- a/tools/perf/Documentation/perf-annotate.txt
> +++ b/tools/perf/Documentation/perf-annotate.txt
> @@ -72,6 +72,9 @@ OPTIONS
> CPUs are specified with -: 0-2. Default is to report samples on all
> CPUs.
>
> +--symfs=<directory>::
> + Look for files with symbols relative to this directory.
> +
> SEE ALSO
> --------
> linkperf:perf-record[1], linkperf:perf-report[1]
> diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
> index 555aefd..1605fbe 100644
> --- a/tools/perf/builtin-annotate.c
> +++ b/tools/perf/builtin-annotate.c
> @@ -267,6 +267,8 @@ static const struct option options[] = {
> OPT_BOOLEAN('P', "full-paths", &full_paths,
> "Don't shorten the displayed pathnames"),
> OPT_STRING('c', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
> + OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
> + "Look for files with symbols relative to this directory"),
> OPT_END()
> };
>

Acked-by: David Ahern <daahern@xxxxxxxxx>

Nice to see others making use of that option.

David
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