[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 #78 from Alessandro Ferri <alessandroferri_015 at fastwebnet.it> ---
Hi Raymond, 
I have attached a series of system log. I do not know if that's what you ask of
me, possibly let me know if you have other requests

Regards.


(In reply to Raymond from comment #76)
> do you mean you cannot find any alsa error messages in system log ?
> 
> 
> http://www.freedesktop.org/wiki/Software/PulseAudio/Notes/3.0/
> 
> any reason to use timer scheduling
> 
> if your sound card does not support disable period wakeup since the io
> thread will be wakup when hwptr at period bounary 
> 
> cpu won't sleep 1980 ms and wakeup 20ms before the buffer is empty

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