linux-kernel - [PATCH v2 2/4] selftests/resctrl: Return MBA check result and make it to output message

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Message-Id: <20221005013933.1486054-3-tan.shaopeng@jp.fujitsu.com>
Date:   Wed,  5 Oct 2022 10:39:31 +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
Subject: [PATCH v2 2/4] selftests/resctrl: Return MBA check result and make it to output message

Since MBA check result is not returned, the MBA test result message
is always output as "ok" regardless of whether the MBA check result is
true or false.

Make output message to be "not ok" if MBA check result is failed.

Reviewed-by: Reinette Chatre <reinette.chatre@...el.com>
Signed-off-by: Shaopeng Tan <tan.shaopeng@...fujitsu.com>
---
 tools/testing/selftests/resctrl/mba_test.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/resctrl/mba_test.c b/tools/testing/selftests/resctrl/mba_test.c
index 1a1bdb6180cf..5d14802add4d 100644
--- a/tools/testing/selftests/resctrl/mba_test.c
+++ b/tools/testing/selftests/resctrl/mba_test.c
@@ -51,7 +51,7 @@ static int mba_setup(int num, ...)
 	return 0;
 }
 
-static void show_mba_info(unsigned long *bw_imc, unsigned long *bw_resc)
+static bool show_mba_info(unsigned long *bw_imc, unsigned long *bw_resc)
 {
 	int allocation, runs;
 	bool failed = false;
@@ -97,6 +97,8 @@ static void show_mba_info(unsigned long *bw_imc, unsigned long *bw_resc)
 		       failed ? "Fail:" : "Pass:");
 	if (failed)
 		ksft_print_msg("At least one test failed\n");
+
+	return failed;
 }
 
 static int check_results(void)
@@ -132,9 +134,7 @@ static int check_results(void)
 
 	fclose(fp);
 
-	show_mba_info(bw_imc, bw_resc);
-
-	return 0;
+	return show_mba_info(bw_imc, bw_resc);
 }
 
 void mba_test_cleanup(void)
-- 
2.27.0