[pulseaudio-tickets] [Bug 84585] Issue of CPU usage with HiFiBerry driver snd_soc_hifiberry_amp with Debian Wheezy kernel 3.12.28

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84585

--- Comment #70 from Raymond <superquad.vortex2 at gmail.com> ---
you get high cpu usage because pulseaudio keep the sleeping time remain at 20ms


638|   0.254) I: [alsa-sink] alsa-sink.c: Increasing wakeup watermark to 355.99
ms
(  28.895|   0.256) I: [alsa-sink] alsa-sink.c: Increasing minimal latency to
376.00 ms
(  28.895|   0.000) D: [alsa-sink] alsa-sink.c: Latency set to 376.00ms
(  28.895|   0.000) D: [alsa-sink] alsa-sink.c: hwbuf_unused=286476
(  28.895|   0.000) D: [alsa-sink] alsa-sink.c: setting avail_min=72502
(  28.896|   0.000) D: [alsa-sink] protocol-native.c: max_request changed,
trying to update from 71616 to 73380.
(  28.896|   0.000) D: [alsa-sink] protocol-native.c: Notifying client about
increased tlength
(  28.897|   0.000) D: [alsa-sink] alsa-sink.c: Latency set to 376.00ms
(  28.897|   0.000) D: [alsa-sink] alsa-sink.c: hwbuf_unused=286476
(  28.897|   0.000) D: [alsa-sink] alsa-sink.c: setting avail_min=72502
(  29.152|   0.254) I: [alsa-sink] alsa-sink.c: Increasing wakeup watermark to
365.99 ms
(  29.409|   0.257) I: [alsa-sink] alsa-sink.c: Increasing minimal latency to
386.00 ms

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