linux-kernel - [tip:perf/core] perf report: Use perf_evlist__force

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Date:   Wed, 23 May 2018 22:37:20 -0700
From:   tip-bot for Jin Yao <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     jolsa@...nel.org, mingo@...nel.org, tglx@...utronix.de,
        linux-kernel@...r.kernel.org, hpa@...or.com, peterz@...radead.org,
        kan.liang@...ux.intel.com, yao.jin@...ux.intel.com,
        acme@...hat.com, ak@...ux.intel.com,
        alexander.shishkin@...ux.intel.com
Subject: [tip:perf/core] perf report: Use perf_evlist__force_leader to
 support '--group'

Commit-ID:  a26bb0ba706aef4f42cc9377c0d4e849378574a4
Gitweb:     https://git.kernel.org/tip/a26bb0ba706aef4f42cc9377c0d4e849378574a4
Author:     Jin Yao <yao.jin@...ux.intel.com>
AuthorDate: Mon, 21 May 2018 22:57:45 +0800
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 21 May 2018 14:41:01 -0300

perf report: Use perf_evlist__force_leader to support '--group'

Since we created a new function perf_evlist__force_leader(), remove the
old code and use that new evlist method.

Signed-off-by: Jin Yao <yao.jin@...ux.intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Kan Liang <kan.liang@...ux.intel.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Link: http://lkml.kernel.org/r/1526914666-31839-3-git-send-email-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-report.c | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 4c931afb2e80..ad978e3ee2b8 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -194,20 +194,11 @@ out:
 	return err;
 }
 
-/*
- * Events in data file are not collect in groups, but we still want
- * the group display. Set the artificial group and set the leader's
- * forced_leader flag to notify the display code.
- */
 static void setup_forced_leader(struct report *report,
 				struct perf_evlist *evlist)
 {
-	if (report->group_set && !evlist->nr_groups) {
-		struct perf_evsel *leader = perf_evlist__first(evlist);
-
-		perf_evlist__set_leader(evlist);
-		leader->forced_leader = true;
-	}
+	if (report->group_set)
+		perf_evlist__force_leader(evlist);
 }
 
 static int process_feature_event(struct perf_tool *tool,