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author | Akihiro Nagai <akihiro.nagai.hw@hitachi.com> | 2012-01-30 13:43:20 +0900 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-01-30 18:13:07 -0200 |
commit | 0bc8d20580af74c9a8a39c200e269261e5cded05 (patch) | |
tree | cbbf96f45695cadd4a471850e7f29c05a5497d00 /tools/perf/util/map.c | |
parent | a978f2ab4166a84c77d0f846f59690f2a892d058 (diff) | |
download | blackbird-op-linux-0bc8d20580af74c9a8a39c200e269261e5cded05.tar.gz blackbird-op-linux-0bc8d20580af74c9a8a39c200e269261e5cded05.zip |
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.c | 9 |
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) { const char *dsoname; - if (map && map->dso && map->dso->name) - dsoname = map->dso->name; - else + if (map && map->dso && (map->dso->name || map->dso->long_name)) { + if (symbol_conf.show_kernel_path && map->dso->long_name) + dsoname = map->dso->long_name; + else if (map->dso->name) + dsoname = map->dso->name; + } else dsoname = "[unknown]"; return fprintf(fp, "%s", dsoname); |