[pulseaudio-discuss] PulseAudio Painfully Slow

[Alexander E. Patrakov]

14.07.2014 18:32, Clemens Eisserer пишет:
> Hi,
>
> Same here: https://bugs.freedesktop.org/show_bug.cgi?id=81288
> The pulseaudio-daemon consumes almost half the cycles skype uses for
> audio+video+network, and 3 times the cycles the X-Server needs to
> display the video.
>
> Considering the (compared to video) low data rates, I never thought
> audio can actually be that expensive.

According to the screenshot, the time is spent in the ppoll syscall. 
This rings a bell: your bug may be a duplicate of an already-fixed thing.

https://bugs.freedesktop.org/show_bug.cgi?id=69711

http://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/?id=fe346cadedd2a9b48fc36886c4a8d48f50302f07

Could you please try and see whether PulseAudio from git behaves better?

-- 
Alexander E. Patrakov