From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752990Ab3KYMBN (ORCPT ); Mon, 25 Nov 2013 07:01:13 -0500 Received: from mail-pd0-f173.google.com ([209.85.192.173]:56429 "EHLO mail-pd0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751128Ab3KYMBK (ORCPT ); Mon, 25 Nov 2013 07:01:10 -0500 Message-ID: <52933BFB.6000405@linaro.org> Date: Mon, 25 Nov 2013 20:00:59 +0800 From: Alex Shi User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Daniel Lezcano , mingo@redhat.com, peterz@infradead.org, morten.rasmussen@arm.com, vincent.guittot@linaro.org, fweisbec@gmail.com, linux@arm.linux.org.uk, tony.luck@intel.com, fenghua.yu@intel.com, tglx@linutronix.de, akpm@linux-foundation.org, arjan@linux.intel.com, pjt@google.com, fengguang.wu@intel.com CC: james.hogan@imgtec.com, jason.low2@hp.com, gregkh@linuxfoundation.org, hanjun.guo@linaro.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 0/4] sched: remove cpu_load decay. References: <1385102235-25664-1-git-send-email-alex.shi@linaro.org> <528F4A78.1080505@linaro.org> <5292A0AB.9030003@linaro.org> <52930C11.8070005@linaro.org> In-Reply-To: <52930C11.8070005@linaro.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/25/2013 04:36 PM, Daniel Lezcano wrote: > On 11/25/2013 01:58 AM, Alex Shi wrote: >> On 11/22/2013 08:13 PM, Daniel Lezcano wrote: >>> >>> Hi Alex, >>> >>> I tried on my Xeon server (2 x 4 cores) your patchset and got the >>> following result: >>> >>> kernel a5d6e63323fe7799eb0e6 / + patchset >>> >>> hackbench -T -s 4096 -l 1000 -g 10 -f 40 >>> 27.604 38.556 >> >> Hi Daniel, would you like give the detailed server info? 2 socket * 4 >> cores, sounds it isn't a modern machine. > > Well it has several years old now, that's true but still competing with > some recent processors :) > > Bi-Xeon E5345 2.33GHz / 8Mb L2 cache / 7BG FB-DIMM Memory 667 MHz / > 300GB SSD 3Gb/s > > It is a core2 CPU, quite old. Fengguang, do you include similar box in your system? -- Thanks Alex