linux-kernel - [PATCH] selftests: fuxex: Report a unique test name per run of futex_requeue

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Date: Tue, 13 Feb 2024 19:06:02 +0000
From: Mark Brown <broonie@...nel.org>
To: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, 
 Peter Zijlstra <peterz@...radead.org>, Darren Hart <dvhart@...radead.org>, 
 Davidlohr Bueso <dave@...olabs.net>, 
 André Almeida <andrealmeid@...lia.com>, 
 Shuah Khan <shuah@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 Mark Brown <broonie@...nel.org>
Subject: [PATCH] selftests: fuxex: Report a unique test name per run of
 futex_requeue_pi

The futex_requeue_pi test program is run a number of times with different
options to provide multiple test cases. Currently every time it runs it
reports the result with a consistent string, meaning that automated systems
parsing the TAP output from a test run have difficulty in distinguishing
which test is which.

The parameters used for the test are already logged as part of the test
output, let's use the same format to roll them into the test name that we
use with KTAP so that automated systems can follow the results of the
individual cases that get run.

Signed-off-by: Mark Brown <broonie@...nel.org>
---
 tools/testing/selftests/futex/functional/futex_requeue_pi.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/futex/functional/futex_requeue_pi.c b/tools/testing/selftests/futex/functional/futex_requeue_pi.c
index 1ee5518ee6b7..7f3ca5c78df1 100644
--- a/tools/testing/selftests/futex/functional/futex_requeue_pi.c
+++ b/tools/testing/selftests/futex/functional/futex_requeue_pi.c
@@ -17,6 +17,8 @@
  *
  *****************************************************************************/
 
+#define _GNU_SOURCE
+
 #include <errno.h>
 #include <limits.h>
 #include <pthread.h>
@@ -358,6 +360,7 @@ int unit_test(int broadcast, long lock, int third_party_owner, long timeout_ns)
 
 int main(int argc, char *argv[])
 {
+	const char *test_name;
 	int c, ret;
 
 	while ((c = getopt(argc, argv, "bchlot:v:")) != -1) {
@@ -397,6 +400,14 @@ int main(int argc, char *argv[])
 		"\tArguments: broadcast=%d locked=%d owner=%d timeout=%ldns\n",
 		broadcast, locked, owner, timeout_ns);
 
+	ret = asprintf(&test_name,
+		       "%s broadcast=%d locked=%d owner=%d timeout=%ldns",
+		       TEST_NAME, broadcast, locked, owner, timeout_ns);
+	if (ret < 0) {
+		ksft_print_msg("Failed to generate test name\n");
+		test_name = TEST_NAME;
+	}
+
 	/*
 	 * FIXME: unit_test is obsolete now that we parse options and the
 	 * various style of runs are done by run.sh - simplify the code and move
@@ -404,6 +415,6 @@ int main(int argc, char *argv[])
 	 */
 	ret = unit_test(broadcast, locked, owner, timeout_ns);
 
-	print_result(TEST_NAME, ret);
+	print_result(test_name, ret);
 	return ret;
 }

---
base-commit: 54be6c6c5ae8e0d93a6c4641cb7528eb0b6ba478
change-id: 20240213-kselftest-futex-requeue-pi-unique-5a462303f6bc

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