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/* 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 volatile unsigned count;
/* We want to check this symbol in perf report */
noinline void test_loop(void);
static void sighandler(int sig __maybe_unused)
{
done = 1;
}
noinline void test_loop(void)
{
while (!done)
__atomic_fetch_add(&count, 1, __ATOMIC_RELAXED);
}
static void *thfunc(void *arg)
{
void (*loop_fn)(void) = arg;
loop_fn();
return NULL;
}
static int thloop(int argc, const char **argv)
{
int sec = 1;
pthread_t th;
if (argc > 0)
sec = atoi(argv[0]);
signal(SIGINT, sighandler);
signal(SIGALRM, sighandler);
alarm(sec);
pthread_create(&th, NULL, thfunc, test_loop);
test_loop();
pthread_join(th, NULL);
return 0;
}
DEFINE_WORKLOAD(thloop);
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