From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757545AbYE0OXJ (ORCPT ); Tue, 27 May 2008 10:23:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755904AbYE0OWp (ORCPT ); Tue, 27 May 2008 10:22:45 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:59804 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755833AbYE0OWo (ORCPT ); Tue, 27 May 2008 10:22:44 -0400 Date: Tue, 27 May 2008 07:15:32 -0700 From: Arjan van de Ven To: svaidy@linux.vnet.ibm.com Cc: Balbir Singh , Linux Kernel , venkatesh.pallipadi@intel.com, suresh.b.siddha@intel.com, Michael Neuling , "Amit K. Arora" Subject: Re: [RFC PATCH v1 0/3] Scaled statistics using APERF/MPERF in x86 Message-ID: <20080527071532.7a01608b@infradead.org> In-Reply-To: <20080527131926.GB5181@dirshya.in.ibm.com> References: <20080526142513.24680.97164.stgit@drishya.in.ibm.com> <20080526085000.33787eac@infradead.org> <483AF25B.6090806@linux.vnet.ibm.com> <20080526110040.5ddc4656@infradead.org> <483B0348.2000204@linux.vnet.ibm.com> <20080526115108.6a19e2c0@infradead.org> <483C059B.9040301@linux.vnet.ibm.com> <20080527131926.GB5181@dirshya.in.ibm.com> Organization: Intel X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.9; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 27 May 2008 18:49:26 +0530 > At any time we will have both the traditional utilisation value > relative to current CPU capacity, and scaled utilisation that is > relative to maximum CPU capacity. > this is where I raise a red flag *because the patch is not doing that* !! sadly it gives a random metric which in some circumstances looks like it does that, but in reality it is not doing that. -- If you want to reach me at my work email, use arjan@linux.intel.com For development, discussion and tips for power savings, visit http://www.lesswatts.org