linux-kernel - [PATCH] perf lock: Change to synthesize task events

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Date:   Thu, 26 May 2022 14:31:36 -0700
From:   Namhyung Kim <namhyung@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ian Rogers <irogers@...gle.com>,
        linux-perf-users@...r.kernel.org
Subject: [PATCH] perf lock: Change to synthesize task events

With -t/--threads option, it needs to display task names so synthesize
task related events at the beginning.

Fixes: 7c3bcbdf449f ("perf lock: Add -t/--thread option for report")
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/builtin-lock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index b1200b7340a6..23a33ac15e68 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -1083,7 +1083,7 @@ static int __cmd_report(bool display_info)
 static int __cmd_record(int argc, const char **argv)
 {
 	const char *record_args[] = {
-		"record", "-R", "-m", "1024", "-c", "1", "--synth", "no",
+		"record", "-R", "-m", "1024", "-c", "1", "--synth", "task",
 	};
 	unsigned int rec_argc, i, j, ret;
 	const char **rec_argv;
-- 
2.36.1.124.g0e6072fb45-goog