Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753971AbYJZMXW (ORCPT ); Sun, 26 Oct 2008 08:23:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752813AbYJZMXG (ORCPT ); Sun, 26 Oct 2008 08:23:06 -0400 Received: from genesysrack.ru ([195.178.208.66]:48380 "EHLO tservice.net.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752805AbYJZMXE (ORCPT ); Sun, 26 Oct 2008 08:23:04 -0400 Date: Sun, 26 Oct 2008 15:23:01 +0300 From: Evgeniy Polyakov To: "Rafael J. Wysocki" Cc: Ingo Molnar , Evgeniy Polyakov , Peter Zijlstra , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, David Miller , Mike Galbraith , Andrew Morton Subject: Re: [tbench regression fixes]: digging out smelly deadmen. Message-ID: <20081026122300.GA30905@ioremap.net> References: <20081009231759.GA8664@tservice.net.ru> <20081010115518.GA3159@tservice.net.ru> <20081010115725.GD19487@elte.hu> <200810250025.35734.rjw@sisk.pl> <20081026112924.GA29258@ioremap.net> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="9amGYk9869ThD9tj" Content-Disposition: inline In-Reply-To: <20081026112924.GA29258@ioremap.net> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 8099 Lines: 137 --9amGYk9869ThD9tj Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi. > > > > > > vanilla 27: 347.222 > > > > > > no TSO/GSO: 357.331 > > > > > > no hrticks: 382.983 > > > > > > no balance: 389.802 > > > > Can anyone please tell me if there was any conclusion of this thread? > > For the reference, just pulled git tree (4403b4 commit): 361.184 > and with dirty_ratio set to 50: 361.086 > without scheduler domain tuning things are essentially the same: 361.367 > > So, things are getting worse with time, and previous tunes do not help > anymore. That's the picture, how we go on my hardware: 4 (2 physical, 2 logical hyper-threaded) 32-bit xeons 8gb of ram. We probably can be a little bit better for -rc1 kernel though, if I enable only 4gb via config. Better one time to see than 1000 times to read. One can scare children with our graphs... 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