From: Takashi Iwai <tiwai@suse.de>
To: Norman Bintang <normanbt@chromium.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
broonie@kernel.org, alsa-devel@alsa-project.org,
Takashi Iwai <tiwai@suse.com>,
cujomalainey@chromium.org, Chih-Yang Hsia <paulhsia@chromium.org>,
David Riley <davidriley@chromium.org>
Subject: Re: [PATCH] ALSA: pcm: Add xrun counter for snd_pcm_substream
Date: Sat, 10 Aug 2024 10:41:34 +0200 [thread overview]
Message-ID: <87a5hklqgx.wl-tiwai@suse.de> (raw)
In-Reply-To: <20240809140648.3414349-1-normanbt@chromium.org>
On Fri, 09 Aug 2024 16:06:45 +0200,
Norman Bintang wrote:
>
> This patch adds an xrun counter to snd_pcm_substream as an alternative
> to using logs from XRUN_DEBUG_BASIC. The counter provides a way to track
> the number of xrun occurences, accessible through the /proc interface.
>
> The counter is enabled when CONFIG_SND_PCM_XRUN_DEBUG is set.
>
> Example output:
>
> $ cat /proc/asound/card0/pcm9p/sub0/status
>
> owner_pid : 1425
> trigger_time: 235.248957291
> tstamp : 0.000000000
> delay : 1912
> avail : 480
> avail_max : 1920
> -----
> hw_ptr : 672000
> appl_ptr : 673440
> xrun_counter: 3 # (new row)
>
> Signed-off-by: Norman Bintang <normanbt@chromium.org>
> Reviewed-by: Chih-Yang Hsia <paulhsia@chromium.org>
> Tested-by: Chih-Yang Hsia <paulhsia@chromium.org>
> Reviewed-by: David Riley <davidriley@chromium.org>
Applied to for-next branch. Thanks.
Takashi
prev parent reply other threads:[~2024-08-10 8:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-09 14:06 Norman Bintang
2024-08-10 8:41 ` Takashi Iwai [this message]
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