linux-kernel - [PATCH] selftests/mm: Fix thuge-gen test name uniqueness

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Message-Id: <20250204-kselftest-mm-fix-dups-v1-1-6afe417ef4bb@kernel.org>
Date: Tue, 04 Feb 2025 22:53:43 +0000
From: Mark Brown <broonie@...nel.org>
To: Andrew Morton <akpm@...ux-foundation.org>, 
 Shuah Khan <shuah@...nel.org>, 
 Muhammad Usama Anjum <usama.anjum@...labora.com>
Cc: linux-mm@...ck.org, linux-kselftest@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org>
Subject: [PATCH] selftests/mm: Fix thuge-gen test name uniqueness

The thuge-gen test_mmap() and test_shmget() tests are repeatedly run for a
variety of sizes but always report the result of their test with the same
name, meaning that automated sysetms running the tests are unable to
distinguish between the various tests. Add the supplied sizes to the logged
test names to distinguish between runs.

Fixes: b38bd9b2c448 ("selftests/mm: thuge-gen: conform to TAP format output")
Signed-off-by: Mark Brown <broonie@...nel.org>
---
 tools/testing/selftests/mm/thuge-gen.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/mm/thuge-gen.c b/tools/testing/selftests/mm/thuge-gen.c
index e4370b79b62ffb133056eb843cdd1eaeba6503df..cd5174d735be405220d99ae796a3768f53df6ea4 100644
--- a/tools/testing/selftests/mm/thuge-gen.c
+++ b/tools/testing/selftests/mm/thuge-gen.c
@@ -127,7 +127,7 @@ void test_mmap(unsigned long size, unsigned flags)
 
 	show(size);
 	ksft_test_result(size == getpagesize() || (before - after) == NUM_PAGES,
-			 "%s mmap\n", __func__);
+			 "%s mmap %lu\n", __func__, size);
 
 	if (munmap(map, size * NUM_PAGES))
 		ksft_exit_fail_msg("%s: unmap %s\n", __func__, strerror(errno));
@@ -165,7 +165,7 @@ void test_shmget(unsigned long size, unsigned flags)
 
 	show(size);
 	ksft_test_result(size == getpagesize() || (before - after) == NUM_PAGES,
-			 "%s: mmap\n", __func__);
+			 "%s: mmap %lu\n", __func__, size);
 	if (shmdt(map))
 		ksft_exit_fail_msg("%s: shmdt: %s\n", __func__, strerror(errno));
 }

---
base-commit: 2014c95afecee3e76ca4a56956a936e23283f05b
change-id: 20250204-kselftest-mm-fix-dups-076a48577184

Best regards,
-- 
Mark Brown <broonie@...nel.org>