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

Alexander E. Patrakov patrakov at gmail.com
Tue Sep 30 05:05:38 PDT 2014


30.09.2014 15:10, David Henningsson wrote:

> I'm hesitant to using perf, at least in that way. The result will
> include the entire startup phase, include how we probe the devices, read
> configuration files and so on. That impact is significant, unless you
> run your test for a very long time.
>
> I wonder if there's a way we can tell perf to skip the first 10 seconds,
> or so? That way the test would be more accurate.
>

-D::
--delay=::
After starting the program, wait msecs before measuring. This is useful to
filter out the startup phase of the program, which is often very different.

I will try it.

-- 
Alexander E. Patrakov


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