diff options
| -rw-r--r-- | tools/testing/selftests/bpf/test_progs.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c index a969c77e9456..2b0bc1171c9c 100644 --- a/tools/testing/selftests/bpf/test_progs.c +++ b/tools/testing/selftests/bpf/test_progs.c @@ -29,6 +29,15 @@ struct prog_test_def { int old_error_cnt; }; +/* Override C runtime library's usleep() implementation to ensure nanosleep() + * is always called. Usleep is frequently used in selftests as a way to + * trigger kprobe and tracepoints. + */ +int usleep(useconds_t usec) +{ + return syscall(__NR_nanosleep, usec * 1000UL); +} + static bool should_run(struct test_selector *sel, int num, const char *name) { int i; |