[PATCH] perf tools: demangle kernel and kernel module symbols too

From: Avi Kivity
Date: Wed Jan 22 2014 - 14:59:02 EST

Some kernels contain C++ code, and thus their symbols need to be demangled.
This allows 'perf kvm top' to generate readable output.

Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxxxxxxxxxx>
tools/perf/util/symbol-elf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 7594567..8f12f0f 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -922,6 +922,7 @@ int dso__load_sym(struct dso *dso, struct map *map,
sym.st_value -= shdr.sh_addr - shdr.sh_offset;
* We need to figure out if the object was created from C++ sources
* DWARF DW_compile_unit has this, but we don't always have access
@@ -933,7 +934,6 @@ int dso__load_sym(struct dso *dso, struct map *map,
if (demangled != NULL)
elf_name = demangled;
f = symbol__new(sym.st_value, sym.st_size,
GELF_ST_BIND(sym.st_info), elf_name);

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