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selftest: pidfd: Omit long and repeating outputs

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An output message:

> # # waitpid WEXITSTATUS=0

will be printed for 30,000+ times in the `pidfd_test` selftest, which
does not seem ideal. This patch removes the print logic in the
`wait_for_pid` function, so each call to this function does not output
a line by default. Any existing call sites where the extra line might
be beneficial have been modified to include extra print statements
outside of the function calls.

Signed-off-by: Ziqi Zhao <astrajoan@yahoo.com>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Ziqi Zhao 2023-05-23 23:22:07 +00:00 committed by Shuah Khan
parent f6a01213e3
commit bcda4c863e
3 changed files with 3 additions and 2 deletions
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1
tools/testing/selftests/pidfd/pidfd.h
View File

@ -90,7 +90,6 @@ again:
}
ret = WEXITSTATUS(status);
ksft_print_msg("waitpid WEXITSTATUS=%d\n", ret);
return ret;
}

1
tools/testing/selftests/pidfd/pidfd_fdinfo_test.c
View File

@ -143,6 +143,7 @@ static inline int child_join(struct child *child, struct error *err)
r = -1;
}
ksft_print_msg("waitpid WEXITSTATUS=%d\n", r);
return r;
}

3
tools/testing/selftests/pidfd/pidfd_test.c
View File

@ -115,7 +115,8 @@ static int test_pidfd_send_signal_exited_fail(void)
pidfd = open(buf, O_DIRECTORY | O_CLOEXEC);
(void)wait_for_pid(pid);
ret = wait_for_pid(pid);
ksft_print_msg("waitpid WEXITSTATUS=%d\n", ret);
if (pidfd < 0)
ksft_exit_fail_msg(