linux-kernel - [PATCH v2 1/2] perf test workload noploop: Name the noploop process

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Message-ID: <20250619002034.97007-1-irogers@google.com>
Date: Wed, 18 Jun 2025 17:20:33 -0700
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
	Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, 
	Mark Rutland <mark.rutland@....com>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 
	Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, 
	Kan Liang <kan.liang@...ux.intel.com>, linux-kernel@...r.kernel.org, 
	linux-perf-users@...r.kernel.org
Subject: [PATCH v2 1/2] perf test workload noploop: Name the noploop process

Name the noploop process "perf-noploop" so that tests can easily check
for its existence.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/tests/workloads/noploop.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/tests/workloads/noploop.c b/tools/perf/tests/workloads/noploop.c
index 940ea5910a84..8b954d466083 100644
--- a/tools/perf/tests/workloads/noploop.c
+++ b/tools/perf/tests/workloads/noploop.c
@@ -2,6 +2,8 @@
 #include <stdlib.h>
 #include <signal.h>
 #include <unistd.h>
+#include <linux/prctl.h>
+#include <sys/prctl.h>
 #include <linux/compiler.h>
 #include "../tests.h"
 
@@ -16,6 +18,7 @@ static int noploop(int argc, const char **argv)
 {
 	int sec = 1;
 
+	prctl(PR_SET_NAME, "perf-noploop");
 	if (argc > 0)
 		sec = atoi(argv[0]);
 
-- 
2.50.0.rc2.701.gf1e915cc24-goog