[ltp] Thinkpad R40 2722: various CPUFREQ troubles

flokno linux-thinkpad@linux-thinkpad.org
Fri, 12 Dec 2003 08:44:40 +0100


On Thu, 2003-12-11 at 19:59, Behdad Esfahbod wrote:
> Hi all,
> 
> If you read my observations and the answers I got here:
> 
> http://www.redhat.com/archives/fedora-devel-list/2003-December/msg00661.html
> 
> You would see that using cpufreq *with* ACPI enabled is useless.
> And that's Dave Jones that said this, and he's one of the kernel
> coders of cpufreq.
> 
> I would be glad to see numbers showing I'm wrong.  Otherwise I
> see it's worth mentioning here and there that cpufreq daemons
> wont increase your battery time if you are using ACPI.

that's exactly what i have found out too...

if you set it to t7 it's slow like hell but runtime doesn't increase
much.

anyway i'm testing powernowd at the moment.


> 
> behdad