Messages in this thread Patch in this message | | | From | Yannick Brosseau <> | Subject | [PATCH] perf script: Add --[no-]-demangle/--[no-]-demangle-kernel | Date | Wed, 26 Aug 2015 12:18:15 -0700 |
| |
From: Mark Drayton <mbd@fb.com>
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 <mbd@fb.com> Signed-off-by: Yannick Brosseau <scientist@fb.com> --- 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
| |