linux-kernel - Re: [PATCH v2] kselftest/alsa: Increase kselftest timeout

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Date:   Wed, 14 Dec 2022 09:40:02 -0700
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>, Mark Brown <broonie@...nel.org>
Cc:     kernel@...labora.com, Jaroslav Kysela <perex@...ex.cz>,
        Shuah Khan <shuah@...nel.org>, Takashi Iwai <tiwai@...e.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH v2] kselftest/alsa: Increase kselftest timeout

On 12/14/22 06:03, Nícolas F. R. A. Prado wrote:
> The default timeout for kselftests is 45 seconds, but that isn't enough
> time to run pcm-test when there are many PCMs on the device, nor for
> mixer-test when slower control buses and fancier CODECs are present.
> 
> As data points, running pcm-test on mt8192-asurada-spherion takes about
> 1m15s, and mixer-test on rk3399-gru-kevin takes about 2m.
> 
> Set the timeout to 4 minutes to allow both pcm-test and mixer-test to
> run to completion with some slack.
> 
> Reviewed-by: Mark Brown <broonie@...nel.org>
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
> 
> ---
> 
> Changes in v2:
> - Reduced timeout from 10 to 4 minutes
> - Tweaked commit message to also mention mixer-test and run time for
>    mixer-test on rk3399-gru-kevin
> 

What I have in mind is that the default run can be limited scope.
Run it on a few controllers and in the report mention that a full
test can be run as needed.

There are a couple of examples of default vs. full test runs - cpu
and memory hot-lug tests.

thanks,
-- Shuah