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authorAkihiro Nagai <akihiro.nagai.hw@hitachi.com>2012-01-30 13:42:57 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-01-30 17:57:57 -0200
commit547a92e0aedb88129e7fbd804697a11949de2e5a (patch)
treedbe71c0161ef32186de12032f4f0238383517dc4 /tools/perf/util/map.c
parentf9d36996564f91c517b75b02942015f7e09a6574 (diff)
downloadop-kernel-dev-547a92e0aedb88129e7fbd804697a11949de2e5a.zip
op-kernel-dev-547a92e0aedb88129e7fbd804697a11949de2e5a.tar.gz
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.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 316aa0a..1107960 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.
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