Commit-ID: 83be34a7a913bdf9f21f524333c63d9c48a28ef4
Gitweb: http://git.kernel.org/tip/83be34a7a913bdf9f21f524333c63d9c48a28ef4
Author: Andi Kleen <ak@xxxxxxxxxxxxxxx>
AuthorDate: Wed, 27 May 2015 10:51:46 -0700
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 27 May 2015 20:30:56 -0300
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@xxxxxxxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1432749114-904-4-git-send-email-andi@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/annotate.c | 21 ++++++++++++++-------
1 file changed, 14 insertions(+), 7 deletions(-)
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 7f5bdfc..bf80430 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);
}
--
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