summaryrefslogtreecommitdiff
path: root/tools/perf
diff options
context:
space:
mode:
authorAndi Kleen <ak@linux.intel.com>2015-05-27 10:51:46 -0700
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-05-27 20:30:56 -0300
commit83be34a7a913bdf9f21f524333c63d9c48a28ef4 (patch)
treeb91e24977e5b62070bd291f512d667376007f612 /tools/perf
parent18ffdfe8e98f861a39590ef2374ad51fc963567e (diff)
downloadlinux-83be34a7a913bdf9f21f524333c63d9c48a28ef4.tar.gz
perf annotation: Add symbol__get_annotation
Add a new utility function to get an function annotation out of existing code. Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1432749114-904-4-git-send-email-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/util/annotate.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 7f5bdfc9bc87..bf8043009909 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -506,6 +506,17 @@ static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map,
return 0;
}
+static struct annotation *symbol__get_annotation(struct symbol *sym)
+{
+ struct annotation *notes = symbol__annotation(sym);
+
+ if (notes->src == NULL) {
+ if (symbol__alloc_hist(sym) < 0)
+ return NULL;
+ }
+ return notes;
+}
+
static int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
int evidx, u64 addr)
{
@@ -513,13 +524,9 @@ static int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
if (sym == NULL)
return 0;
-
- notes = symbol__annotation(sym);
- if (notes->src == NULL) {
- if (symbol__alloc_hist(sym) < 0)
- return -ENOMEM;
- }
-
+ notes = symbol__get_annotation(sym);
+ if (notes == NULL)
+ return -ENOMEM;
return __symbol__inc_addr_samples(sym, map, notes, evidx, addr);
}