Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753172Ab3DOJwQ (ORCPT ); Mon, 15 Apr 2013 05:52:16 -0400 Received: from mail.skyhub.de ([78.46.96.112]:40721 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751169Ab3DOJwO (ORCPT ); Mon, 15 Apr 2013 05:52:14 -0400 Date: Mon, 15 Apr 2013 11:52:03 +0200 From: Borislav Petkov To: Alex Shi Cc: Len Brown , mingo@redhat.com, peterz@infradead.org, tglx@linutronix.de, akpm@linux-foundation.org, arjan@linux.intel.com, pjt@google.com, namhyung@kernel.org, efault@gmx.de, morten.rasmussen@arm.com, vincent.guittot@linaro.org, gregkh@linuxfoundation.org, preeti@linux.vnet.ibm.com, viresh.kumar@linaro.org, linux-kernel@vger.kernel.org, len.brown@intel.com, rafael.j.wysocki@intel.com, jkosina@suse.cz, clark.williams@gmail.com, tony.luck@intel.com, keescook@chromium.org, mgorman@suse.de, riel@redhat.com, Linux PM list Subject: Re: [patch v7 0/21] sched: power aware scheduling Message-ID: <20130415095203.GA26524@pd.tnic> References: <1365040862-8390-1-git-send-email-alex.shi@intel.com> <516724F5.20504@kernel.org> <5167C9FA.8050406@intel.com> <20130412162348.GE2368@pd.tnic> <516A0652.8040505@intel.com> <20130414155925.GC20547@pd.tnic> <516B9859.70004@intel.com> <516B9B57.3030902@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <516B9B57.3030902@intel.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 798 Lines: 20 On Mon, Apr 15, 2013 at 02:16:55PM +0800, Alex Shi wrote: > And I need to say again. the powersaving policy just effect on system > under utilisation. when system goes busy, it won't has effect. > performance oriented policy will take over balance behaviour. And AFACU your patches, you do this automatically, right? In which case, an underutilized system will have switched to powersaving balancing and will use *more* energy to retire the workload. Correct? -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. -- -- 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/