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Date: Fri, 4 Mar 2022 19:38:31 +0900 From: Shaopeng Tan <tan.shaopeng@...fujitsu.com> To: Fenghua Yu <fenghua.yu@...el.com>, Reinette Chatre <reinette.chatre@...el.com>, Shuah Khan <shuah@...nel.org> Cc: linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org, tan.shaopeng@...fujitsu.com, Shuah Khan <skhan@...uxfoundation.org> Subject: [PATCH v4 3/6] selftests/resctrl: Fix resctrl_tests' return code to work with selftest framework In kselftest framework, if a sub test can not run by some reasons, the test result should be marked as SKIP rather than FAIL. Return KSFT_SKIP(4) instead of KSFT_FAIL(1) if resctrl_tests is not run as root or it is run on a test environment which does not support resctrl. - ksft_exit_fail_msg(): returns KSFT_FAIL(1) - ksft_exit_skip(): returns KSFT_SKIP(4) Reviewed-by: Shuah Khan <skhan@...uxfoundation.org> Signed-off-by: Shaopeng Tan <tan.shaopeng@...fujitsu.com> --- tools/testing/selftests/resctrl/resctrl_tests.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/resctrl/resctrl_tests.c b/tools/testing/selftests/resctrl/resctrl_tests.c index 973f09a66e1e..a44afb05b848 100644 --- a/tools/testing/selftests/resctrl/resctrl_tests.c +++ b/tools/testing/selftests/resctrl/resctrl_tests.c @@ -205,7 +205,7 @@ int main(int argc, char **argv) * 2. We execute perf commands */ if (geteuid() != 0) - return ksft_exit_fail_msg("Not running as root, abort testing.\n"); + return ksft_exit_skip("Not running as root. Skipping...\n"); /* Detect AMD vendor */ detect_amd(); @@ -235,7 +235,7 @@ int main(int argc, char **argv) sprintf(bm_type, "fill_buf"); if (!check_resctrlfs_support()) - return ksft_exit_fail_msg("resctrl FS does not exist\n"); + return ksft_exit_skip("resctrl FS does not exist. Enable X86_CPU_RESCTRL and PROC_CPU_RESCTRL config options.\n"); filter_dmesg(); -- 2.27.0
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