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From: Dave Jones <>
To: "Pallipadi, Venkatesh" <>
Cc: linux-kernel <>,
	Andrew Morton <>,, Adam Belay <>,
	"Li, Shaohua" <>,
	"Brown, Len" <>
Subject: Re: [PATCH 1/3]cpuidle take2: Core cpuidle infrastructure
Date: Wed, 28 Feb 2007 01:59:32 -0500	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

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?


 > 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.




      reply	other threads:[~2007-02-28  7:00 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-22 21:52 Venkatesh Pallipadi
2007-02-27 16:44 ` Dave Jones
2007-02-28  4:47   ` Pallipadi, Venkatesh
2007-02-28  6:59     ` Dave Jones [this message]

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