From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762584AbYDQM4U (ORCPT ); Thu, 17 Apr 2008 08:56:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757610AbYDQM4I (ORCPT ); Thu, 17 Apr 2008 08:56:08 -0400 Received: from tomts40.bellnexxia.net ([209.226.175.97]:62327 "EHLO tomts40-srv.bellnexxia.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757251AbYDQM4H convert rfc822-to-8bit (ORCPT ); Thu, 17 Apr 2008 08:56:07 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AloFAPrlBkhMROPA/2dsb2JhbACBYKs3 Date: Thu, 17 Apr 2008 08:56:04 -0400 From: Mathieu Desnoyers To: Adrian Bunk Cc: KOSAKI Motohiro , linux-kernel@vger.kernel.org, Rusty Russell , Andi Kleen , Christoph Hellwig , akpm@osdl.org Subject: Re: [RFC patch 15/27] Immediate Values - Documentation Message-ID: <20080417125604.GA16219@Krystal> References: <20080416213426.298498397@polymtl.ca> <20080416213552.942797527@polymtl.ca> <20080417184930.A8CD.KOSAKI.MOTOHIRO@jp.fujitsu.com> <20080417103635.GG1677@cs181133002.pp.htv.fi> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8BIT In-Reply-To: <20080417103635.GG1677@cs181133002.pp.htv.fi> X-Editor: vi X-Info: http://krystal.dyndns.org:8080 X-Operating-System: Linux/2.6.21.3-grsec (i686) X-Uptime: 08:55:10 up 48 days, 9:06, 5 users, load average: 0.43, 0.28, 0.27 User-Agent: Mutt/1.5.16 (2007-06-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Adrian Bunk (bunk@kernel.org) wrote: > On Thu, Apr 17, 2008 at 06:52:54PM +0900, KOSAKI Motohiro wrote: > > > +Memory read: > > > +644.09ツア11.39 - 88.16ツア1.35 = 555.93ツア11.46 cycles > > > + > > > +Getppid without memory pressure: > > > +1462.09ツア18.87 - 150.92ツア1.01 = 1311.17ツア18.90 cycles > > > + > > > +Getppid with memory pressure: > > > +17113.33ツア1655.92 - 578.22ツア269.51 = 16535.11ツア1677.71 cycles > > > + > > > +Therefore, if we add 2 markers not based on immediate values to the getppid > > > +code, which would add 2 memory reads, we would add > > > +2 * 555.93ツア12.74 = 1111.86ツア25.48 cycles > > > > sorry.. > > > > non ascii character is harmful for some language region user. > > Couldn't you write ascii only? > > The kernel is UTF-8, and this shouldn't be a problem. > > The problem seems to be that Mathieu's emails don't contain a header > indicating the charset. > I removed the UTF-8 characters for now. Someday I should fix my quilt+exit4 setup, when I find the time. :) Thanks, Mathieu > cu > Adrian > > -- > > "Is there not promise of rain?" Ling Tan asked suddenly out > of the darkness. There had been need of rain for many days. > "Only a promise," Lao Er said. > Pearl S. Buck - Dragon Seed > -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68