When running tests concurrently, perf rate limiting will often cause
some events to be skipped and make some tests flaky, disabling it making
running tests more robust.
Signed-off-by: Yucong Sun <sunyucong@xxxxxxxxx>
---
tools/testing/selftests/bpf/test_progs.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c
index 4e2028189471..2ac922f8aa2c 100644
--- a/tools/testing/selftests/bpf/test_progs.c
+++ b/tools/testing/selftests/bpf/test_progs.c
@@ -1376,6 +1376,8 @@ int main(int argc, char **argv)
}
}
+ system("echo 0 > /proc/sys/kernel/perf_cpu_time_max_percent");
+
/* ignore workers if we are just listing */
if (env.get_test_cnt || env.list_test_names)
env.workers = 0;
--
2.30.2
