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authorNamhyung Kim <namhyung.kim@lge.com>2013-03-25 13:18:18 +0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-03-26 23:38:21 +0400
commit328ccdace8855289ad114b70ee1464ba5e3f6436 (patch)
tree66c2f0abe8ab330b3e2213046bf8f4eb454c20e4 /tools/perf/util
parent12c08a9f591aeda57fb3b05897169e7da5439a79 (diff)
downloadlinux-328ccdace8855289ad114b70ee1464ba5e3f6436.tar.xz
perf report: Add --no-demangle option
It's sometimes useful to see undemangled raw symbol name for example other tools using the perf output to do manipulation of binaries. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Suggested-by: William Cohen <wcohen@redhat.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: William Cohen <wcohen@redhat.com> BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=55571 Link: http://lkml.kernel.org/r/1364203098-17741-1-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
-rw-r--r--tools/perf/util/symbol-elf.c9
-rw-r--r--tools/perf/util/symbol.c1
-rw-r--r--tools/perf/util/symbol.h3
3 files changed, 9 insertions, 4 deletions
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 54efcb5659ac..4b12bf850325 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -806,9 +806,12 @@ int dso__load_sym(struct dso *dso, struct map *map,
* DWARF DW_compile_unit has this, but we don't always have access
* to it...
*/
- demangled = bfd_demangle(NULL, elf_name, DMGL_PARAMS | DMGL_ANSI);
- if (demangled != NULL)
- elf_name = demangled;
+ if (symbol_conf.demangle) {
+ demangled = bfd_demangle(NULL, elf_name,
+ DMGL_PARAMS | DMGL_ANSI);
+ if (demangled != NULL)
+ elf_name = demangled;
+ }
new_symbol:
f = symbol__new(sym.st_value, sym.st_size,
GELF_ST_BIND(sym.st_info), elf_name);
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index e6432d85b43d..8cf3b5426a9a 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -36,6 +36,7 @@ struct symbol_conf symbol_conf = {
.use_modules = true,
.try_vmlinux_path = true,
.annotate_src = true,
+ .demangle = true,
.symfs = "",
};
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index b62ca37c4b77..d7654c23861a 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -97,7 +97,8 @@ struct symbol_conf {
kptr_restrict,
annotate_asm_raw,
annotate_src,
- event_group;
+ event_group,
+ demangle;
const char *vmlinux_name,
*kallsyms_name,
*source_prefix,