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From: Gianfranco Trad <gianf.trad@gmail.com>
To: jstultz@google.com, tglx@linutronix.de, sboyd@kernel.org,
	anna-maria@linutronix.de, frederic@kernel.org, shuah@kernel.org
Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
	Gianfranco Trad <gianf.trad@gmail.com>
Subject: [PATCH] selftests: timers: improve timer_create failure message
Date: Thu, 29 Aug 2024 17:37:25 +0200	[thread overview]
Message-ID: <20240829153725.4437-1-gianf.trad@gmail.com> (raw)
In-Reply-To: <877cbz9x8t.ffs@tglx>

improve timer_create failure message with strerror() function
to give more information to the user.

Signed-off-by: Gianfranco Trad <gianf.trad@gmail.com>
---
 tools/testing/selftests/timers/alarmtimer-suspend.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/timers/alarmtimer-suspend.c b/tools/testing/selftests/timers/alarmtimer-suspend.c
index ad52e608b88e..74acdb87d4f4 100644
--- a/tools/testing/selftests/timers/alarmtimer-suspend.c
+++ b/tools/testing/selftests/timers/alarmtimer-suspend.c
@@ -28,6 +28,7 @@
 #include <signal.h>
 #include <stdlib.h>
 #include <pthread.h>
+#include <errno.h>
 #include "../kselftest.h"
 
 #define CLOCK_REALTIME			0
@@ -142,8 +143,8 @@ int main(void)
 
 		alarmcount = 0;
 		if (timer_create(alarm_clock_id, &se, &tm1) == -1) {
-			printf("timer_create failed, %s unsupported?\n",
-					clockstring(alarm_clock_id));
+			printf("timer_create failed, %s unsupported?: %s\n",
+					clockstring(alarm_clock_id), strerror(errno));
 			break;
 		}
 
-- 
2.43.0


  reply	other threads:[~2024-08-29 15:37 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-29 14:25 [PATCH] Improve timer_create failure message Gianfranco Trad
2024-08-29 15:14 ` Thomas Gleixner
2024-08-29 15:37   ` Gianfranco Trad [this message]
2024-09-30 18:49     ` [PATCH] selftests: timers: improve " Shuah Khan
2024-09-30 19:19       ` John Stultz
2024-09-30 19:53         ` Shuah Khan

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