Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751731AbXB1HAQ (ORCPT ); Wed, 28 Feb 2007 02:00:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751789AbXB1HAQ (ORCPT ); Wed, 28 Feb 2007 02:00:16 -0500 Received: from mx1.redhat.com ([66.187.233.31]:40100 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751725AbXB1HAO (ORCPT ); Wed, 28 Feb 2007 02:00:14 -0500 Date: Wed, 28 Feb 2007 01:59:32 -0500 From: Dave Jones To: "Pallipadi, Venkatesh" Cc: linux-kernel , Andrew Morton , linux-acpi@vger.kernel.org, Adam Belay , "Li, Shaohua" , "Brown, Len" Subject: Re: [PATCH 1/3]cpuidle take2: Core cpuidle infrastructure Message-ID: <20070228065932.GA23678@redhat.com> Mail-Followup-To: Dave Jones , "Pallipadi, Venkatesh" , linux-kernel , Andrew Morton , linux-acpi@vger.kernel.org, Adam Belay , "Li, Shaohua" , "Brown, Len" References: <20070227164427.GB2223@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1042 Lines: 35 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 -- http://www.codemonkey.org.uk - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/