Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755401Ab0GHUo2 (ORCPT ); Thu, 8 Jul 2010 16:44:28 -0400 Received: from casper.infradead.org ([85.118.1.10]:49791 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753104Ab0GHUo1 convert rfc822-to-8bit (ORCPT ); Thu, 8 Jul 2010 16:44:27 -0400 Subject: Re: high power consumption in recent kernels From: Peter Zijlstra To: Mike Galbraith Cc: Norbert Preining , Arjan van de Ven , linux-kernel@vger.kernel.org, Ingo Molnar , akpm , tglx In-Reply-To: <1278618040.7498.21.camel@marge.simson.net> References: <20100706164539.GA14783@gamma.logic.tuwien.ac.at> <1278579992.1900.17.camel@laptop> <20100708045711.398d4e26@infradead.org> <1278590303.1900.91.camel@laptop> <20100708120421.GF20841@gamma.logic.tuwien.ac.at> <1278591779.1900.97.camel@laptop> <20100708124627.GA7754@gamma.logic.tuwien.ac.at> <1278595426.1900.130.camel@laptop> <1278604779.1900.157.camel@laptop> <1278618040.7498.21.camel@marge.simson.net> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Thu, 08 Jul 2010 22:44:14 +0200 Message-ID: <1278621854.1900.188.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 753 Lines: 16 On Thu, 2010-07-08 at 21:40 +0200, Mike Galbraith wrote: > > Mike could you re-run your netperf tests that showed the 10% throughput > > gain? Hopefully the fixed governor will yield the same result and we can > > kill off this ratelimit thing. > > The gain is (well was last time I checked), but as noted, I'd just call > it a misguided optimization and be done with it. It would still be good to know what your machine does, if you can still see a difference there might still be something to look at. -- 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/