[PD] pd and cpu frequency scaling

[Roman Haefeli]

On Sun, 2008-11-02 at 13:13 +0100, cyrille henry wrote:
> hello,
> 
> 
> Roman Haefeli a écrit :
> > hi all
> > 
> > i noticed, that the cpu frequency scaling doesn't react on cpu load
> > caused by pd.
> this is strange.
> did you try without -rt or -jack?

yes, i tried now. only when running pd -rt (no matter, if with -jack or
with -alsa), it stops scaling from working.  probably the process, that
controls scaling, has lower priority? 

> here it works as expected, but i always switch to performance mode
> anyway since frequency scaling is quite slow and can lead to audio
> click for a second when you switch on your patch, before the CPU
> frequency go to maximum.

i see

> So, i think that switching to performance mode when you need
> performance is not really a fix or a workaround : it's the way to go.

ok. thanks. do you use a script for that? if you already have one at
hand, would you mind sharing it? otherwise i write my own.

roman


	
		
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