Re: [PATCH] selftests: rtc: Increase test timeout so that all tests run

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On 12/01/2022 11:53:59-0500, Nícolas F. R. A. Prado wrote:
> The timeout setting for the rtc kselftest is currently 90 seconds.
> However, two of the tests set alarms, which take one minute to complete
> each. So the timeout should be at least 120. Set it to 180, so that all
> tests are able to complete and still have some slack.

Hum, I don't get the logic from that, a test takes up to 60 seconds and
the timeout is 90s per test so we already have plenty of slack there.

> 
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
> ---
> 
> This issue was discovered as part of adding the rtc kselftest to run on KernelCI
> for the rk3399-gru-kevin device, which uses rtc-cros-ec as the RTC driver.
> 
> The output log with the current timeout is shown in [1]. As can be seen, the
> whole test times out before the alarm_wkalm_set_minute test has had a chance to
> complete:
> 
> 	# #  RUN           rtc.alarm_wkalm_set_minute ...
> 	# # rtctest.c:294:alarm_wkalm_set_minute:Alarm time now set to 11/01/2022 23:03:00.
> 	#
> 	not ok 1 selftests: rtc: rtctest # TIMEOUT 90 seconds
> 
> With the increased timeout, as shown in [2], the alarm_wkalm_set_minute test
> does complete its run:
> 
> 	# #  RUN           rtc.alarm_wkalm_set_minute ...
> 	# # rtctest.c:294:alarm_wkalm_set_minute:Alarm time now set to 12/01/2022 15:54:00.
> 	# #            OK  rtc.alarm_wkalm_set_minute
> 	# ok 7 rtc.alarm_wkalm_set_minute
> 	# # FAILED: 6 / 7 tests passed.
> 
> The fact that the alarm_alm_set_minute test times out on its own is probably an
> issue with the rtc-cros-ec driver. Still, since the tests are independent, all
> of them should be able to run regardless of how long each one takes (so,
> assuming the worst case scenario).
> 
> [1] https://lava.collabora.co.uk/scheduler/job/5409783
> [2] https://lava.collabora.co.uk/scheduler/job/5415176
> 
>  tools/testing/selftests/rtc/settings | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/rtc/settings b/tools/testing/selftests/rtc/settings
> index ba4d85f74cd6..a953c96aa16e 100644
> --- a/tools/testing/selftests/rtc/settings
> +++ b/tools/testing/selftests/rtc/settings
> @@ -1 +1 @@
> -timeout=90
> +timeout=180
> -- 
> 2.34.1
> 

-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com



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