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Date: Sun, 2 Feb 2014 00:54:31 -0800
From: tip-bot for Avi Kivity <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: acme@...hat.com, linux-kernel@...r.kernel.org, paulus@...ba.org,
hpa@...or.com, mingo@...nel.org, a.p.zijlstra@...llo.nl,
avi@...udius-systems.com, tglx@...utronix.de
Subject: [tip:perf/urgent] perf tools:
Demangle kernel and kernel module symbols too
Commit-ID: 950b8354716eb1f9c0b39777d379efa5f4125c04
Gitweb: http://git.kernel.org/tip/950b8354716eb1f9c0b39777d379efa5f4125c04
Author: Avi Kivity <avi@...udius-systems.com>
AuthorDate: Wed, 22 Jan 2014 21:58:46 +0200
Committer: Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 27 Jan 2014 11:47:27 -0300
perf tools: Demangle kernel and kernel module symbols too
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@...udius-systems.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/26f71bf5bf7ee1408e3f1a803556d5df18223ef1.1390420726.git.avi@cloudius-systems.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
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,
(u64)shdr.sh_offset);
sym.st_value -= shdr.sh_addr - shdr.sh_offset;
}
+new_symbol:
/*
* 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;
}
-new_symbol:
f = symbol__new(sym.st_value, sym.st_size,
GELF_ST_BIND(sym.st_info), elf_name);
free(demangled);
--
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