AW: YDL 4.0 frequency scaling

Keitsch, Krischan keitsch at dena.de
Mon Nov 29 03:26:42 MST 2004


Hi Andy,

I do automatic cpu freq scaling on an iBook g3 800MHz running Fedora Core 3 (Rawhide ?) with a little background demon calles "cpufreqd". 
Take a look at the project page:
http://sourceforge.net/projects/cpufreqd
 
It runs well with 2.4.xx and 2.6.xx kernels. 

Good luck

Krischan


-----Ursprüngliche Nachricht-----
Von: yellowdog-general-bounces at lists.terrasoftsolutions.com [mailto:yellowdog-general-bounces at lists.terrasoftsolutions.com] Im Auftrag von Andrew Zschetzsche
Gesendet: Mittwoch, 24. November 2004 19:30
An: yellowdog-general at lists.terrasoftsolutions.com
Betreff: YDL 4.0 frequency scaling

I installed YDL 4.0 as soon as I could after it came out on the torrents, and man does it rock!

I had to fiddle with X to get it to work right, and then I compiled Firefox 1.0 from source, and then I upgraded to a stock 2.6.9 kernel, upon which I applied Ben H's iBook sleep kernel patch.  Whoohoo!

Now I'm onto processor scaling.  I was looking at /proc/cpuinfo after I unplugged my battery, and it was still saying I was running at 1.2 ghz. 
So hunting for options, I recompiled the kernel, this time making sure to set the frequency governor default to "userspace", and not "performance".  After the restart in the new kernel, now I'm stuck at 599Mhz, even when plugged in.

Due to advice on the sleep patch's mailinglist thread, I disabled pmud, leaving pbbuttonsd to do the job (like it's website says it can do), but that doesn't change anything.

Does anyone have any ideas on how to configure anything to make it work (or even change the cpufreq by hand)?? Or does it not even work? I'm running an 14" iBook G4 rev. 2.2, 1.2Ghz, 7447A processor.

I'm a student, so it's important that my iBook be as portable as it can be.

Thanks,
Andy Zschetzsche

--
Andrew Zschetzsche
University of Minnesota, Morris
zsche004 at mrs.umn.edu
aim: zsche004
msn: zsche004 at mrs.umn.edu

America's Best Public Liberal Arts College.

--The best answer to a problem with multiple solutions is often the simplest one.

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