linux-kernel - Re: [PATCH 2/2] kselftest/alsa: pcm-test: Decrease stream duration from 4 to 2 seconds

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Date:   Wed, 21 Jun 2023 15:39:12 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Jaroslav Kysela <perex@...ex.cz>
Cc:     Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>, kernel@...labora.com,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        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
Subject: Re: [PATCH 2/2] kselftest/alsa: pcm-test: Decrease stream duration
 from 4 to 2 seconds

On Wed, Jun 21, 2023 at 04:08:47PM +0200, Jaroslav Kysela wrote:

> I think that the problem is somewhere else here. The overall test timeout
> should be calculated dynamically. All tests may be queried for the maximal
> expected interval based on the hardware/software capabilities. It's a bit
> pitfall to have a fixed time limit where the realtime tests depend on the
> number of devices.

I tend to agree here, unfortunately Shuah hasn't responded to queries
from Nícolas about this which I imagine is what inspired this patch.  We
also have problems with mixer-test on one of the Dialog CODECs with a
couple of 64k value controls and no cache only mode.

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