linux-kernel - Re: [PATCH v2] selftests: rtc: Increase test timeout so that all tests run

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Date:   Tue, 25 Jan 2022 13:52:36 -0700
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>
Cc:     Shuah Khan <shuah@...nel.org>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        linux-rtc@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@...labora.com,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH v2] selftests: rtc: Increase test timeout so that all
 tests run

On 1/12/22 4:51 PM, Shuah Khan wrote:
> On 1/12/22 1:22 PM, Alexandre Belloni wrote:
>> On 12/01/2022 14:41:42-0500, Nícolas F. R. A. Prado wrote:
>>> The timeout setting for the rtc kselftest is currently 90 seconds. This
>>> setting is used by the kselftest runner to stop running a test if it
>>> takes longer than the assigned value.
>>>
>>> However, two of the test cases inside rtc set alarms. These alarms are
>>> set to the next beginning of the minute, so each of these test cases may
>>> take up to, in the worst case, 60 seconds.
>>>
>>> In order to allow for all test cases in rtc to run, even in the worst
>>> case, when using the kselftest runner, the timeout value should be
>>> increased to at least 120. Set it to 180, so there's some additional
>>> slack.
>>>
>>> Correct operation can be tested by running the following command right
>>> after the start of a minute (low second count), and checking that all
>>> test cases run:
>>>
>>>     ./run_kselftest.sh -c rtc
>>>
>>> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
>> Acked-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
> 
> Thank you both. Will apply this for 5.17-rc2 once the merge window
> closes.
> 

Applied to linux-kselftest fixes branch for rc2/rc3

thanks,
-- Shuah