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selftests/bpf: Make test_bench_attach serial

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Alexei hit another rcu warnings because of this test.

Making test_bench_attach serial so it does not disrupts
other tests during parallel tests run.

While this change is not the fix, it should be less likely
to hit it with this test being executed serially.

Reported-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20221116100228.2064612-2-jolsa@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Jiri Olsa 2022-11-16 11:02:28 +01:00 committed by Alexei Starovoitov
parent 2b506f20af
commit 8be602dadb
1 changed files with 1 additions and 3 deletions
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4
tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c
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@ -402,7 +402,7 @@ error:
return err;
}
static void test_bench_attach(void)
void serial_test_kprobe_multi_bench_attach(void)
{
LIBBPF_OPTS(bpf_kprobe_multi_opts, opts);
struct kprobe_multi_empty *skel = NULL;
@ -470,6 +470,4 @@ void test_kprobe_multi_test(void)
test_attach_api_syms();
if (test__start_subtest("attach_api_fails"))
test_attach_api_fails();
if (test__start_subtest("bench_attach"))
test_bench_attach();
}