On Sun, 2011-06-05 at 11:44 +0200, bart deruyter wrote: > Ok, I did some tests, xruns keep happening on 512 Frames/Period and > 1024 Frames/Period at 48000, setting Periods/Buffer at 2. At 3 > Periods/Buffer there is too much latency in my opinion. > > Next step, how do I change the governer from 'ondemand' to > 'performance'? I've never done that before, didn't even need to do > that in the previous ubuntustudio versions.
You can run sudo -i cpufreq-selector -g performance The better choice is to right click to the GNOME panel > Add to panel... > CPU frequency scaling monitor Once it is in the panel, left click to the scaling monitor icon and chose 'performance'. > > About the kernel : > Weird, I keep reading from ubuntustudio that the generic kernel in > Ubuntustuido 11.04 should be good enough, on the wiki with the > comparing table I read better results from the lowlatency kernel.. and > now there is the need for the preempt rt.... It is getting very, very, > very confusing for me. > > but thanks for the help of course.. step by step, we'll get there.. we > just have to. For kernels before version 2.6.39 and this version isn't supported by any repository jet, real-time optimisation only is done with kernel-rt. A kernel without RT can work too, but when you get issues, then use a kernel-rt. Hth, Ralf -- Ubuntu-Studio-users mailing list [email protected] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users
