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authorAkihiro Nagai <akihiro.nagai.hw@hitachi.com>2012-01-29 23:43:20 -0500
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-01-30 15:13:07 -0500
commit0bc8d20580af74c9a8a39c200e269261e5cded05 (patch)
treecbbf96f45695cadd4a471850e7f29c05a5497d00 /tools/perf/util/map.c
parenta978f2ab4166a84c77d0f846f59690f2a892d058 (diff)
perf script: Add option resolving vmlinux path
Add the option get the path of [kernel.kallsyms]. Specify '--show-kernel-path' option to use this function. This patch enables other applications to use this output easily. Without --show-kernel-path option ffffffff81467612 irq_return ([kernel.kallsyms]) ffffffff81467612 irq_return ([kernel.kallsyms]) 7f24fc02a6b3 _start (/lib64/ld-2.14.so) [snip] With --show-kernel-path option ffffffff81467612 irq_return (/lib/modules/3.2.0+/build/vmlinux) ffffffff81467612 irq_return (/lib/modules/3.2.0+/build/vmlinux) 7f24fc02a6b3 _start (/lib64/ld-2.14.so) [snip] Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: yrl.pp-manager.tt@hitachi.com Link: http://lkml.kernel.org/r/20120130044320.2384.73322.stgit@linux3 Signed-off-by: Akihiro Nagai <akihiro.nagai.hw@hitachi.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/map.c')
-rw-r--r--tools/perf/util/map.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 11079607105b..dea6d1c1a954 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -216,9 +216,12 @@ size_t map__fprintf_dsoname(struct map *map, FILE *fp)
216{ 216{
217 const char *dsoname; 217 const char *dsoname;
218 218
219 if (map && map->dso && map->dso->name) 219 if (map && map->dso && (map->dso->name || map->dso->long_name)) {
220 dsoname = map->dso->name; 220 if (symbol_conf.show_kernel_path && map->dso->long_name)
221 else 221 dsoname = map->dso->long_name;
222 else if (map->dso->name)
223 dsoname = map->dso->name;
224 } else
222 dsoname = "[unknown]"; 225 dsoname = "[unknown]";
223 226
224 return fprintf(fp, "%s", dsoname); 227 return fprintf(fp, "%s", dsoname);