Re: [PATCH 1/3]cpuidle take2: Core cpuidle infrastructure

From: Dave Jones
Date: Wed Feb 28 2007 - 02:00:41 EST


On Tue, Feb 27, 2007 at 08:47:55PM -0800, Pallipadi, Venkatesh wrote:

> >I played with this a little, and got puzzled.
> >My quad core box used exactly the same amount of power whether the
> >'ladder' governer was loaded & in use or not. In both situations
> >it was exactly the same as a vanilla 2.6.20
> >
> >I'd have expected it to use more until I loaded up 'ladder' to bring it
> >on par featurewise with 2.6.20. What did I miss?
>
> Quad core what platform?

Glenwood

> How many C-states are supported in this platform?

Garg, only C1. That explains a lot.

> Current ladder is mostly like Policy embedded in ACPI today. But, Adam
> has
> been working on different policies that we want to experiment with as we
> go along.

ok.

Dave


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