From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933063Ab0E0I0d (ORCPT ); Thu, 27 May 2010 04:26:33 -0400 Received: from hera.kernel.org ([140.211.167.34]:33957 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750860Ab0E0I0b (ORCPT ); Thu, 27 May 2010 04:26:31 -0400 Message-ID: <4BFE2C9D.6080909@kernel.org> Date: Thu, 27 May 2010 10:26:05 +0200 From: Tejun Heo User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.1.9) Gecko/20100317 Thunderbird/3.0.4 MIME-Version: 1.0 To: Ingo Molnar CC: peterz@infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCHSET sched/core] sched: prepare for cmwq References: <1273747705-7829-1-git-send-email-tj@kernel.org> <4BF1CD92.9030800@kernel.org> <4BF689DD.2090306@kernel.org> <20100523090544.GB25524@elte.hu> <4BF8F0A4.5060608@kernel.org> <20100523091306.GE25524@elte.hu> <4BF8F46A.1060407@kernel.org> <20100523102024.GA20869@elte.hu> <4BF902F3.7030405@kernel.org> In-Reply-To: <4BF902F3.7030405@kernel.org> X-Enigmail-Version: 1.0.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Thu, 27 May 2010 08:26:08 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05/23/2010 12:26 PM, Tejun Heo wrote: > Hello, Ingo. > > On 05/23/2010 12:20 PM, Ingo Molnar wrote: >> Not exclusive to btrfs of course, but IIRC one of the examples given >> in one of those threads was btrfs scalability, right? > > Hmmm... I don't think so. If btrfs ever was mentioned, it must have > been pretty tangential. Nothing rings a bell to me. > >> In case it's not obvious, i'm trying to find a tangible improvement >> to examine. No need to resend stuff, do you have a link to that old >> performance measurement by any chance? > > Sure. > > http://thread.gmane.org/gmane.linux.kernel/939353 Ingo, any update? Thanks. -- tejun