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

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Message-Id: <20220914015147.3071025-3-tan.shaopeng@jp.fujitsu.com>
Date:   Wed, 14 Sep 2022 10:51:43 +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] 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 fail.

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

This patch is based on Linux v6.0-rc5

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 93ffacb416df..e7dfeb697e5e 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