Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757320AbZA2QMU (ORCPT ); Thu, 29 Jan 2009 11:12:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752241AbZA2QMH (ORCPT ); Thu, 29 Jan 2009 11:12:07 -0500 Received: from n1b.bullet.mail.ac4.yahoo.com ([76.13.13.71]:43217 "HELO n1b.bullet.mail.ac4.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751940AbZA2QMG (ORCPT ); Thu, 29 Jan 2009 11:12:06 -0500 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 522466.44597.bm@omp102.mail.ac4.yahoo.com DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=ymail.com; h=X-YMail-OSG:Received:X-Mailer:Date:From:Reply-To:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type:Message-ID; b=3lWyUW7KyOldep9iyakp58hKtkfCgGb/8t7XfVvTFtVjiuuj4H7PYfJy3GfrhNv6QPFFoqZPt2B2O6v3XNlyFtpxrJyo3YNRZYdUsXQTsom9yscnyfTJRB94uwfJQ4YFfVYI5gMsLdCbEN+JOJJu/mEWAUdmiMvc0mntU25FZak=; X-YMail-OSG: xhNSrfUVM1np2hiMBEI8rGZ8b_OHEh_5Qb3nCfXvN5.HEx8BPLwdk99HLTDLrqepwFNf8mK2aqZoS.2ACXbGRfx.khRKJX17PA3mSczXAFK5w6dDq25YGwn2bvyAlbbqg02P1EANHxPwYxbn5UzyJUk48doVaTCW8sKMXZMow1FE_QDopN1a3bHfSS.UyEgnp6ZSWClcwyAN8PBHkEo- X-Mailer: YahooMailWebService/0.7.260.1 Date: Thu, 29 Jan 2009 08:12:05 -0800 (PST) From: Xiaoning Ding Reply-To: dingxn@ymail.com Subject: Re: a question about p4_clockmod module on Xeon quad core processors To: Arjan van de Ven Cc: linux-kernel@vger.kernel.org In-Reply-To: <20090127132333.2e2d4dcf@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Message-ID: <314817.91186.qm@web59911.mail.ac4.yahoo.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1275 Lines: 41 I am not trying to save energy. I want to do some experiments that requires lower CPU speed. But the experiments are not energy related. Xiaoning --- On Tue, 1/27/09, Arjan van de Ven wrote: > From: Arjan van de Ven > Subject: Re: a question about p4_clockmod module on Xeon quad core processors > To: dingxn@ymail.com > Cc: linux-kernel@vger.kernel.org > Date: Tuesday, January 27, 2009, 9:23 PM > On Tue, 27 Jan 2009 12:17:25 -0800 (PST) > Xiaoning Ding wrote: > > > Hi list, > > > > I have tried the p4-clockmod module in Linux kernel > 2.6.29 on Xeon > > 5355 quad-core CPUs with no luck. It seems current > p4-clockmod driver > > still cannot support Intel Quad core processors, > right? > > you know that using clockmod will actually cost you energy > rather than > saving it right? > > > -- > Arjan van de Ven Intel Open Source Technology Centre > For development, discussion and tips for power savings, > visit http://www.lesswatts.org -- 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/