Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756268AbYBIMb5 (ORCPT ); Sat, 9 Feb 2008 07:31:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754038AbYBIMbt (ORCPT ); Sat, 9 Feb 2008 07:31:49 -0500 Received: from 1wt.eu ([62.212.114.60]:1782 "EHLO 1wt.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754144AbYBIMbs (ORCPT ); Sat, 9 Feb 2008 07:31:48 -0500 Date: Sat, 9 Feb 2008 12:40:10 +0100 From: Willy Tarreau To: Mike Galbraith Cc: Olof Johansson , linux-kernel@vger.kernel.org, Peter Zijlstra , Ingo Molnar Subject: Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for short-lived threads Message-ID: <20080209114009.GP8953@1wt.eu> References: <20080209000456.GA21021@lixom.net> <1202543920.9578.3.camel@homer.simson.net> <20080209080319.GO8953@1wt.eu> <1202554705.10287.12.camel@homer.simson.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1202554705.10287.12.camel@homer.simson.net> User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 787 Lines: 28 On Sat, Feb 09, 2008 at 11:58:25AM +0100, Mike Galbraith wrote: > > On Sat, 2008-02-09 at 09:03 +0100, Willy Tarreau wrote: > > > How many CPUs do you have ? > > It's a P4/HT, so 1 plus $CHUMP_CHANGE_MAYBE > > > > 2.6.25-smp (git today) > > > time 29 ms > > > time 61 ms > > > time 72 ms > > > > These ones look rather strange. What type of workload is it ? Can you > > publish the program for others to test it ? > > It's the proglet posted in this thread. OK sorry, I did not notice it when I first read the report. Regards, Willy -- 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/