From: Yucong Sun <fallentree@fb.com>
To: <bpf@vger.kernel.org>
Cc: <andrii@kernel.org>, <sunyucong@gmail.com>,
Yucong Sun <fallentree@fb.com>
Subject: [PATCH bpf-next v6 03/14] selftests/bpf: disable perf rate limiting when running tests.
Date: Wed, 6 Oct 2021 11:56:08 -0700 [thread overview]
Message-ID: <20211006185619.364369-4-fallentree@fb.com> (raw)
In-Reply-To: <20211006185619.364369-1-fallentree@fb.com>
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@gmail.com>
---
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
next prev parent reply other threads:[~2021-10-06 18:56 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-06 18:56 [PATCH bpf-next v6 00/14] selftests/bpf: Add parallelism to test_progs Yucong Sun
2021-10-06 18:56 ` [PATCH bpf-next v6 01/14] " Yucong Sun
2021-10-08 22:26 ` Andrii Nakryiko
2021-10-06 18:56 ` [PATCH bpf-next v6 02/14] selftests/bpf: Allow some tests to be executed in sequence Yucong Sun
2021-10-08 22:26 ` Andrii Nakryiko
2021-10-08 23:06 ` sunyucong
2021-10-09 3:17 ` Andrii Nakryiko
2021-10-06 18:56 ` Yucong Sun [this message]
2021-10-08 22:26 ` [PATCH bpf-next v6 03/14] selftests/bpf: disable perf rate limiting when running tests Andrii Nakryiko
2021-10-06 18:56 ` [PATCH bpf-next v6 04/14] selftests/bpf: add per worker cgroup suffix Yucong Sun
2021-10-06 18:56 ` [PATCH bpf-next v6 05/14] selftests/bpf: adding read_perf_max_sample_freq() helper Yucong Sun
2021-10-08 22:27 ` Andrii Nakryiko
2021-10-08 22:49 ` sunyucong
2022-03-08 20:22 ` sunyucong
2021-10-06 18:56 ` [PATCH bpf-next v6 06/14] selftests/bpf: fix race condition in enable_stats Yucong Sun
2021-10-06 18:56 ` [PATCH bpf-next v6 07/14] selftests/bpf: make cgroup_v1v2 use its own port Yucong Sun
2021-10-06 18:56 ` [PATCH bpf-next v6 08/14] selftests/bpf: adding a namespace reset for tc_redirect Yucong Sun
2021-10-08 22:27 ` Andrii Nakryiko
2021-10-08 23:07 ` sunyucong
2021-10-06 18:56 ` [PATCH bpf-next v6 09/14] selftests/bpf: Make uprobe tests use different attach functions Yucong Sun
2021-10-08 22:27 ` Andrii Nakryiko
2021-10-08 22:46 ` sunyucong
2021-10-09 3:13 ` Andrii Nakryiko
2021-10-06 18:56 ` [PATCH bpf-next v6 10/14] selftests/bpf: adding pid filtering for atomics test Yucong Sun
2021-10-06 18:56 ` [PATCH bpf-next v6 11/14] selftests/bpf: adding random delay for send_signal test Yucong Sun
2021-10-08 22:27 ` Andrii Nakryiko
2021-10-06 18:56 ` [PATCH bpf-next v6 12/14] selftests/bpf: Fix pid check in fexit_sleep test Yucong Sun
2021-10-06 18:56 ` [PATCH bpf-next v6 13/14] selftests/bpf: increase loop count for perf_branches Yucong Sun
2021-10-08 22:27 ` Andrii Nakryiko
2021-10-08 22:57 ` sunyucong
2021-10-06 18:56 ` [PATCH bpf-next v6 14/14] selfetest/bpf: make some tests serial Yucong Sun
2021-10-08 22:27 ` Andrii Nakryiko
2021-10-08 22:55 ` sunyucong
2021-10-09 3:14 ` Andrii Nakryiko
2021-10-08 22:26 ` [PATCH bpf-next v6 00/14] selftests/bpf: Add parallelism to test_progs Andrii Nakryiko
2021-10-08 22:42 ` Andrii Nakryiko
2021-10-08 23:37 ` Steven Rostedt
2021-10-09 3:20 ` Andrii Nakryiko
2021-10-09 3:28 ` Steven Rostedt
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