Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751696Ab3G0MAo (ORCPT ); Sat, 27 Jul 2013 08:00:44 -0400 Received: from hydra.sisk.pl ([212.160.235.94]:43203 "EHLO hydra.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751659Ab3G0MAl convert rfc822-to-8bit (ORCPT ); Sat, 27 Jul 2013 08:00:41 -0400 From: "Rafael J. Wysocki" To: Len Brown Cc: Rik van Riel , Jeremy Eder , Arjan van de Ven , "linux-kernel@vger.kernel.org" , "Rafael J. Wysocki" , youquan.song@intel.com, paulmck@linux.vnet.ibm.com, daniel.lezcano@linaro.org, "Brown, Len" , Linux PM list Subject: Re: RFC: revert request for cpuidle patches e11538d1 and 69a37bea Date: Sat, 27 Jul 2013 14:10:44 +0200 Message-ID: <3673963.IpA4v4b2LB@vostro.rjw.lan> User-Agent: KMail/4.9.5 (Linux/3.10.0+; KDE/4.9.5; x86_64; ; ) In-Reply-To: References: <20130726173306.GB17985@jeder.rdu.redhat.com> <10589669.3DKeJru7h0@vostro.rjw.lan> MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1945 Lines: 57 On Saturday, July 27, 2013 02:22:53 AM Len Brown wrote: > >> OK, I'll queue up the reverts as fixes for 3.11-rc4. > > > > So, the reverts are on the fixes-next branch of the linux-pm.git tree that you > > can access at > > > > http://git.kernel.org/cgit/linux/kernel/git/rafael/linux-pm.git/log/?h=fixes-next > > > > However, they are not simple reverts as we've had some non-trivial changes on > > top of those commits already, so I'd appreciate it a lot if somebody could > > double check if I didn't break anything in them. > > I've verified that the reverts improve netperf TCP_RR performance. > > Here I've got two Xeon's, slightly different, so I run in both directions. > Also I run two ways -- Out-of-the-box, plus with cpufreq > set to max frequency. The reverts improve all 4 cases: > > JKT → IVT IVT → JKT > > 3.11.0-rc2 baseline w/o revert Out of Box > > 20420 19963 > 20658 19915 > 20298 20320 > > 3.11.0-rc2 baseline w/o revert max freq > > 59658 51427 > 59663 51503 > 59416 51343 > > 3.11.0-rc2-00002-g74bce39 Linux-pm “fixes-next” branch > > 3.11.0-rc2-00002-g74bce39 Out of box > 23227 22056 > 23306 22125 > 23387 40226 40k result saw some 2.2 ghz > vs 1.2 ghz in other runs > 21991 > > 3.11.0-rc2-00002-g74bce39 Max-freq > 67240 57645 > 64880 56764 > 65924 57435 > > Tested-by: Len Brown Many thanks Len! Rafael -- 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/