[pulseaudio-discuss] [RFC PATCH] alsa-sink: Reduce hardware pointer update syscalls

Alexander E. Patrakov patrakov at gmail.com
Tue Sep 30 01:11:41 PDT 2014


30.09.2014 12:43, David Henningsson wrote:
>
>
> On 2014-09-29 16:33, Laurențiu Nicola wrote:
>> If nobody tried it, I might test the patch on my USB DAC. The problem is
>> that I'm not sure what's the best way to benchmark the playback. Do you
>> have some tips on that?
>
> Run "top" in a low-latency playback scenario, that should be enough. You
> might want to verify (e g with pactl) that you end up with the same
> latency both with and without the patch.
>
> Maybe others have more accurate methods to measure CPU consumption.

I used "perf". Please see this message:

http://lists.freedesktop.org/archives/pulseaudio-discuss/2014-September/021745.html

If others also try this method, we may be able to compare the results.

-- 
Alexander E. Patrakov


More information about the pulseaudio-discuss mailing list