Re: CPU Frequency Scaling

[Florian La Roche <laroche redhat com>]

On Mon, Dec 04, 2006 at 08:01:06AM +0100, Arjan van de Ven wrote:
> On Sun, 2006-12-03 at 21:04 -0300, HM Eng.Prowip wrote:
> > On Sunday 03 December 2006 15:29, Arjan van de Ven wrote:
> > > > On AC, the default is to run at full speed,
> > >
> > > I think that's a mistake. Especially for servers, power usage does
> > > matter ...
> > 
> > mhhh ... especially for servers power does matter, power usage does not matter 
> > at all but that is only a economical question, i got curious here do you run 
> > your server really on DC or battery?
> 
> servers run on main power, which would run at "full speed always" in the
> proposed g-p-m scheme. Which would be highly unfortunate.

At least for laptops is makes sense to keep them cool even on AC.
For servers most probably as well...

regards,

Florian La Roche