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Subject[PATCH v4 3/6] selftests/resctrl: Fix resctrl_tests' return code to work with selftest framework
Date
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@linuxfoundation.org>
Signed-off-by: Shaopeng Tan <tan.shaopeng@jp.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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