Re: CPU scaling problems
At Thu, 15 Nov 2012 21:50:05 +0000,
Francesco Mazzoli wrote:
> At Thu, 15 Nov 2012 19:40:07 -0200,
> Henrique de Moraes Holschuh wrote:
> > On Thu, 15 Nov 2012, Francesco Mazzoli wrote:
> > > At Thu, 15 Nov 2012 18:17:18 -0200,
> > > Henrique de Moraes Holschuh wrote:
> > > > That said, Linux coordinates with the platform through ACPI. If the BIOS is
> > > > tuned for maximum battery life, it will interfere with Linux cpufreq.
> > >
> > > This is a good hint - there is something in the BIOS as I mentioned. So you are
> > > saying that I should disable any power saving mechanism from the bios, and let
> > > the kernel/userland cpufreq software do their thing? Are there any links with
> > > more information regarding this?
> > You should test. Typically, when I want the OS to be in full control, I set
> > everything to maximum performance.
> Thanks, I will (I CCed back to the list, I used the gmane newsgroup to post the
> message and it wasn't in the CC list).
OK, I have tried turning off the BIOS power saving settings and I still have the