linux/tools/perf/tests/workloads/noploop.c
Ian Rogers b6cea9b4f8 perf test: 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@google.com>
Link: https://lore.kernel.org/r/20250628012302.1242532-1-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2025-07-01 15:37:22 -07:00

34 lines
568 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#include <pthread.h>
#include <stdlib.h>
#include <signal.h>
#include <unistd.h>
#include <linux/compiler.h>
#include "../tests.h"
static volatile sig_atomic_t done;
static void sighandler(int sig __maybe_unused)
{
done = 1;
}
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]);
signal(SIGINT, sighandler);
signal(SIGALRM, sighandler);
alarm(sec);
while (!done)
continue;
return 0;
}
DEFINE_WORKLOAD(noploop);