From: John Stultz <john.stultz@linaro.org>
To: linux-kernel@vger.kernel.org
Cc: John Stultz <john.stultz@linaro.org>,
Shuah Khan <shuahkh@osg.samsung.com>,
Prarit Bhargava <prarit@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Richard Cochran <richardcochran@gmail.com>
Subject: [PATCH 2/3] kselftests: timers: Ease alarmtimer-suspend unreasonable latency value
Date: Wed, 13 May 2015 15:13:04 -0700 [thread overview]
Message-ID: <1431555185-10182-3-git-send-email-john.stultz@linaro.org> (raw)
In-Reply-To: <1431555185-10182-1-git-send-email-john.stultz@linaro.org>
On the hardware I have, resume latency from an alarm is often
2-3 seconds (with a fair amount of variability due to the RTC's
single second granularity). Having four seconds be the pass/fail
bar is maybe a little too tight, so extend this to 5 seconds.
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>
---
tools/testing/selftests/timers/alarmtimer-suspend.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/timers/alarmtimer-suspend.c b/tools/testing/selftests/timers/alarmtimer-suspend.c
index 99a1ad3..13586b6 100644
--- a/tools/testing/selftests/timers/alarmtimer-suspend.c
+++ b/tools/testing/selftests/timers/alarmtimer-suspend.c
@@ -57,7 +57,7 @@ static inline int ksft_exit_fail(void)
#define NSEC_PER_SEC 1000000000ULL
-#define UNREASONABLE_LAT (NSEC_PER_SEC * 4) /* hopefully we resume in 4secs */
+#define UNREASONABLE_LAT (NSEC_PER_SEC * 5) /* hopefully we resume in 5 secs */
#define SUSPEND_SECS 15
int alarmcount;
--
1.9.1
next prev parent reply other threads:[~2015-05-13 22:14 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-13 22:13 [PATCH 0/3] A few small fixups to the alarmtimer-suspend test John Stultz
2015-05-13 22:13 ` [PATCH 1/3] kselftests: timers: Increase delay between suspends in alarmtimer-suspend John Stultz
2015-05-13 22:13 ` John Stultz [this message]
2015-05-13 22:13 ` [PATCH 3/3] kselftests: timers: Check _ALARM clockids are supported before suspending John Stultz
2015-05-13 23:04 ` [PATCH 0/3] A few small fixups to the alarmtimer-suspend test Shuah Khan
2015-05-13 23:16 ` John Stultz
2015-05-13 23:18 ` Shuah Khan
2015-05-14 0:39 ` Shuah Khan
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