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| author | Akihiro Nagai <akihiro.nagai.hw@hitachi.com> | 2012-01-30 13:42:57 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-01-30 17:57:57 -0200 |
| commit | 547a92e0aedb88129e7fbd804697a11949de2e5a (patch) | |
| tree | dbe71c0161ef32186de12032f4f0238383517dc4 /tools/perf/util/map.c | |
| parent | f9d36996564f91c517b75b02942015f7e09a6574 (diff) | |
| download | lwn-547a92e0aedb88129e7fbd804697a11949de2e5a.tar.gz lwn-547a92e0aedb88129e7fbd804697a11949de2e5a.zip | |
perf script: Unify the expressions indicating "unknown"
The perf script command uses various expressions to indicate "unknown".
It is unfriendly for user scripts to parse it. So, this patch unifies
the expressions to "[unknown]".
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/20120130044257.2384.62905.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 | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 316aa0ab7122..11079607105b 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -212,6 +212,18 @@ size_t map__fprintf(struct map *self, FILE *fp) self->start, self->end, self->pgoff, self->dso->name); } +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 + dsoname = "[unknown]"; + + return fprintf(fp, "%s", dsoname); +} + /* * objdump wants/reports absolute IPs for ET_EXEC, and RIPs for ET_DYN. * map->dso->adjust_symbols==1 for ET_EXEC-like cases. |