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.

Cc: Jiri Olsa <jo...@redhat.com>
Cc: Stephane Eranian <eran...@google.com>
Signed-off-by: Namhyung Kim <namhy...@kernel.org>
---
 tools/perf/builtin-report.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 3a4bd13340db..034eec9f09f5 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -664,6 +664,8 @@ int cmd_report(int argc, const char **argv, const char 
*prefix __maybe_unused)
                   "Specify disassembler style (e.g. -M intel for intel 
syntax)"),
        OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
                    "Show a column with the sum of periods"),
+       OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
+                   "Show event group information together"),
        OPT_CALLBACK_NOOPT('b', "branch-stack", &sort__branch_mode, "",
                    "use branch records for histogram filling", 
parse_branch_mode),
        OPT_STRING(0, "objdump", &objdump_path, "path",
-- 
1.7.11.4

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