diff options
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/timer.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/timer.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/timer.c b/tools/testing/selftests/bpf/prog_tests/timer.c index 760ad96b4be0..d66687f1ee6a 100644 --- a/tools/testing/selftests/bpf/prog_tests/timer.c +++ b/tools/testing/selftests/bpf/prog_tests/timer.c @@ -4,10 +4,29 @@ #include "timer.skel.h" #include "timer_failure.skel.h" +#define NUM_THR 8 + +static void *spin_lock_thread(void *arg) +{ + int i, err, prog_fd = *(int *)arg; + LIBBPF_OPTS(bpf_test_run_opts, topts); + + for (i = 0; i < 10000; i++) { + err = bpf_prog_test_run_opts(prog_fd, &topts); + if (!ASSERT_OK(err, "test_run_opts err") || + !ASSERT_OK(topts.retval, "test_run_opts retval")) + break; + } + + pthread_exit(arg); +} + static int timer(struct timer *timer_skel) { - int err, prog_fd; + int i, err, prog_fd; LIBBPF_OPTS(bpf_test_run_opts, topts); + pthread_t thread_id[NUM_THR]; + void *ret; err = timer__attach(timer_skel); if (!ASSERT_OK(err, "timer_attach")) @@ -43,6 +62,20 @@ static int timer(struct timer *timer_skel) /* check that code paths completed */ ASSERT_EQ(timer_skel->bss->ok, 1 | 2 | 4, "ok"); + prog_fd = bpf_program__fd(timer_skel->progs.race); + for (i = 0; i < NUM_THR; i++) { + err = pthread_create(&thread_id[i], NULL, + &spin_lock_thread, &prog_fd); + if (!ASSERT_OK(err, "pthread_create")) + break; + } + + while (i) { + err = pthread_join(thread_id[--i], &ret); + if (ASSERT_OK(err, "pthread_join")) + ASSERT_EQ(ret, (void *)&prog_fd, "pthread_join"); + } + return 0; } |