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Subject[PATCH 10/18] perf report: Make another loop for linking group hists
Date
From: Namhyung Kim <namhyung.kim@lge.com>

Now the event grouping viewing requires linking all member hists in a
group to the leader's. Thus hists__output_resort should be called
after linking all events in evlist.

Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Stephane Eranian <eranian@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
tools/perf/builtin-report.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index fc251005dd3d..13a2cd20a1cd 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -416,8 +416,16 @@ static int __cmd_report(struct perf_report *rep)
hists->symbol_filter_str = rep->symbol_filter_str;

hists__collapse_resort(hists);
- hists__output_resort(hists);
nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE];
+
+ /* Non-group events are considered as leader */
+ if (symbol_conf.event_group &&
+ !perf_evsel__is_group_leader(pos)) {
+ struct hists *leader_hists = &pos->leader->hists;
+
+ hists__match_collapsed(leader_hists, hists);
+ hists__link_collapsed(leader_hists, hists);
+ }
}

if (nr_samples == 0) {
@@ -425,6 +433,9 @@ static int __cmd_report(struct perf_report *rep)
goto out_delete;
}

+ list_for_each_entry(pos, &session->evlist->entries, node)
+ hists__output_resort(&pos->hists);
+
if (use_browser > 0) {
if (use_browser == 1) {
perf_evlist__tui_browse_hists(session->evlist, help,
--
1.7.11.7


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