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selftests/bpf: Make res_spin_lock test less verbose

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Currently, the res_spin_lock test is too chatty as it constantly prints
the test_run results for each iteration in each thread, so in case
verbose output is requested or things go wrong, it will flood the logs
of CI and other systems with repeated messages that offer no valuable
insight. Reduce this by doing assertions when the condition actually
flips, and proceed to break out and exit the threads. We still assert
to mark the test as failed and print the expected and reported values.

Suggested-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20250403220841.66654-1-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Kumar Kartikeya Dwivedi 2025-04-03 15:08:41 -07:00 committed by Alexei Starovoitov
parent a8662bcd2f
commit 9bae8f4f21
1 changed files with 5 additions and 2 deletions
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7
tools/testing/selftests/bpf/prog_tests/res_spin_lock.c
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@ -25,8 +25,11 @@ static void *spin_lock_thread(void *arg)
while (!READ_ONCE(skip)) {
err = bpf_prog_test_run_opts(prog_fd, &topts);
ASSERT_OK(err, "test_run");
ASSERT_OK(topts.retval, "test_run retval");
if (err || topts.retval) {
ASSERT_OK(err, "test_run");
ASSERT_OK(topts.retval, "test_run retval");
break;
}
}
pthread_exit(arg);
}