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Message-ID: <20250628012302.1242532-1-irogers@google.com>
Date: Fri, 27 Jun 2025 18:23:01 -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>, James Clark <james.clark@...aro.org>,
linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org
Subject: [PATCH v3 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>
---
v3: Switch to using pthread_setname_np rather than prctl as glibc and
musl having conflicting and mutually broken definitions of which
header files to #include for prctl. Suggested by Namhyung Kim
<namhyung@...nel.org>.
---
tools/perf/tests/workloads/noploop.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/perf/tests/workloads/noploop.c b/tools/perf/tests/workloads/noploop.c
index 940ea5910a84..656e472e6188 100644
--- a/tools/perf/tests/workloads/noploop.c
+++ b/tools/perf/tests/workloads/noploop.c
@@ -1,4 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
+#include <pthread.h>
#include <stdlib.h>
#include <signal.h>
#include <unistd.h>
@@ -16,6 +17,7 @@ static int noploop(int argc, const char **argv)
{
int sec = 1;
+ pthread_setname_np(pthread_self(), "perf-noploop");
if (argc > 0)
sec = atoi(argv[0]);
--
2.50.0.727.gbf7dc18ff4-goog
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