/* 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; /* 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);} 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);
/* 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;
/* 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);
}
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);