Messages in this thread Patch in this message | | | From | John Stultz <> | Subject | [PATCH 1/2] kselftests: timers: Make set-timer-lat fail more gracefully for !CAP_WAKE_ALARM | Date | Wed, 25 Mar 2015 16:44:32 -0700 |
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The set-timer-lat test fails when testing CLOCK_BOOTTIME_ALARM or CLOCK_REALTIME_ALARM when the user isn't running as root or with CAP_WAKE_ALARM.
So this patch improves the error checking so we report the issue more clearly and continue rather then reporting a failure.
Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: John Stultz <john.stultz@linaro.org> --- tools/testing/selftests/timers/set-timer-lat.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/tools/testing/selftests/timers/set-timer-lat.c b/tools/testing/selftests/timers/set-timer-lat.c index 3ea2eff..dbc9537c 100644 --- a/tools/testing/selftests/timers/set-timer-lat.c +++ b/tools/testing/selftests/timers/set-timer-lat.c @@ -139,6 +139,13 @@ int do_timer(int clock_id, int flags) err = timer_create(clock_id, &se, &tm1); if (err) { + if ((clock_id == CLOCK_REALTIME_ALARM) + || (clock_id == CLOCK_BOOTTIME_ALARM)) { + printf("%-22s %s missing CAP_WAKE_ALARM? : [UNSUPPORTED]\n", + clockstring(clock_id), + flags ? "ABSTIME":"RELTIME"); + return 0; + } printf("%s - timer_create() failed\n", clockstring(clock_id)); return -1; } -- 1.9.1
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