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

[David Henningsson]

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.

-- 
David Henningsson, Canonical Ltd.
https://launchpad.net/~diwic