cpu frequency scaling

Ricardo Lameiro ricardolameiro at gmail.com
Wed Nov 11 22:56:42 GMT 2009

Yes, that is true. Most people that uses Laptops are not aware of the
cpufreq "thing". The reality is that Ubuntu uses cpufreq as default with the
"ondemand" preset. To have control over it just install the Cpu scaling
Applet in the gnome bar and then change the preset. I always use performance
on audio.


If you have more than 1 CPU aka dual core, quad core, octa core, you should
install and applet and assign it to each cpu !!!!!!!  When you change the
preset in one applet it only changes it for ONE CPU!!!!

2009/11/11 Q <lists at quirq.ukfsn.org>

> Thank you for posting this question and the background to it.
> Ever since I installed 9.10, I've been unable to run certain Ardour
> sessions (the biggest ones), with it constantly getting kicked off JACK
> no matter what settings I used. I actually resorted to compiling a newer
> version of Ardour, the first time I've ever done such a thing!
> I installed a freq scaling control app (I didn't even need to tinker
> with it) and with scaling turned off everything works the way it should,
> quick and simple.
> Thanks again!
> Q
> Gerhard Lang wrote:
> > I always run into jackd low latency issues when I forget to set  cpu
> > frequency scaling panel-applets to highest options. Is there a way to
> > set this by default on start up without recompiling the rt-kernel?
> >
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Fagote / Contrafagote
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