Em Wed, Aug 26, 2015 at 12:18:15PM -0700, Yannick Brosseau escreveu:
> From: Mark Drayton <[email protected]>
>
> Summary: Sometimes when post-processing output from `perf script` one
> does not want to demangle C++ symbol names. Add an option to allow this.
> Also add --[no-]demangle-kernel to be consistent with top/report/probe.
>
> Signed-off-by: Mark Drayton <[email protected]>
> Signed-off-by: Yannick Brosseau <[email protected]>
Thanks, applied after fixing up it wrt other changes in
builtin-script.c, next time, for new features like this, make sure it
applies to my perf/core branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git
- Arnaldo
> ---
> tools/perf/Documentation/perf-script.txt | 7 +++++++
> tools/perf/builtin-script.c | 4 ++++
> 2 files changed, 11 insertions(+)
>
> diff --git a/tools/perf/Documentation/perf-script.txt
> b/tools/perf/Documentation/perf-script.txt
> index c82df57..347c73a 100644
> --- a/tools/perf/Documentation/perf-script.txt
> +++ b/tools/perf/Documentation/perf-script.txt
> @@ -222,6 +222,13 @@ OPTIONS
> --show-mmap-events
> Display mmap related events (e.g. MMAP, MMAP2).
>
> +--demangle::
> + Demangle symbol names to human readable form. It's enabled by default,
> + disable with --no-demangle.
> +
> +--demangle-kernel::
> + Demangle kernel symbol names to human readable form (for C++ kernels).
> +
> --header
> Show perf.data header.
>
> diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
> index 24809787..f3b3ba0 100644
> --- a/tools/perf/builtin-script.c
> +++ b/tools/perf/builtin-script.c
> @@ -1622,6 +1622,10 @@ int cmd_script(int argc, const char **argv, const char
> *prefix __maybe_unused)
> OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
> "Instruction Tracing options",
> itrace_parse_synth_opts),
> + OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
> + "Enable symbol demangling"),
> + OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
> + "Enable kernel symbol demangling"),
> OPT_END()
> };
> const char * const script_subcommands[] = { "record", "report", NULL };
> --
> 2.1.4
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