From: Namhyung Kim <namhyung....@lge.com>
Add --group option to enable event grouping. When enabled, all the
group members information will be shown together with the leader so
skip non-leader events.
Signed-off-by: Namhyung Kim <namhy...@kernel.org>
---
tools/perf/builtin-annotate.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 0c6edd60d67e..4b12608707f0 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -214,6 +214,10 @@ static int __cmd_annotate(struct perf_annotate *ann)
struct hists *hists = &pos->hists;
u32 nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
+ if (symbol_conf.event_group &&
+ !perf_evsel__is_group_leader(pos))
+ continue;
+
if (nr_samples > 0) {
total_nr_samples += nr_samples;
hists__collapse_resort(hists);
@@ -293,6 +297,8 @@ int cmd_annotate(int argc, const char **argv, const char
*prefix __maybe_unused)
"Specify disassembler style (e.g. -M intel for intel
syntax)"),
OPT_STRING(0, "objdump", &objdump_path, "path",
"objdump binary to use for disassembly and annotations"),
+ OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
+ "Show event grou information together"),
OPT_END()
};
--
1.7.9.2
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