From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756370AbXD2LXI (ORCPT ); Sun, 29 Apr 2007 07:23:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756383AbXD2LXI (ORCPT ); Sun, 29 Apr 2007 07:23:08 -0400 Received: from www.osadl.org ([213.239.205.134]:60596 "EHLO mail.tglx.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756371AbXD2LXF (ORCPT ); Sun, 29 Apr 2007 07:23:05 -0400 Subject: Re: [patch] CFS scheduler, -v6 From: Thomas Gleixner Reply-To: tglx@linutronix.de To: Kasper Sandberg Cc: Willy Tarreau , Ingo Molnar , Linus Torvalds , Andrew Morton , Gene Heskett , linux-kernel@vger.kernel.org, Con Kolivas , Nick Piggin , Mike Galbraith , Arjan van de Ven , Peter Williams , caglar@pardus.org.tr, Mark Lord , Zach Carter , buddabrod In-Reply-To: <1177843688.9756.28.camel@localhost> References: <20070425214704.GA32572@elte.hu> <1177596399.14496.1.camel@localhost> <200704261041.04838.gene.heskett@gmail.com> <1177618164.14496.5.camel@localhost> <20070427115344.GA30706@elte.hu> <20070427115526.GA7699@elte.hu> <1177774551.21279.8.camel@localhost> <1177809512.9756.10.camel@localhost> <20070429053022.GB23638@1wt.eu> <20070429065900.GB32281@elte.hu> <20070429071627.GC23638@1wt.eu> <1177842654.5791.85.camel@localhost.localdomain> <1177843688.9756.28.camel@localhost> Content-Type: text/plain Date: Sun, 29 Apr 2007 13:25:12 +0200 Message-Id: <1177845912.5791.87.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.6.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2007-04-29 at 12:48 +0200, Kasper Sandberg wrote: > On Sun, 2007-04-29 at 12:30 +0200, Thomas Gleixner wrote: > > Willy, > > > As a sidenote: I really wonder if anybody noticed yet, that the whole > > CFS / SD comparison is so ridiculous, that it is not even funny anymore. > > CFS modifies the scheduler and nothing else, SD fiddles all over the > > kernel in interesting ways. > > > > have you looked at diffstat lately? :) > > sd: > Documentation/sched-design.txt | 241 +++++++ > Documentation/sysctl/kernel.txt | 14 > Makefile | 2 > fs/pipe.c | 7 > fs/proc/array.c | 2 > include/linux/init_task.h | 4 > include/linux/sched.h | 32 - > kernel/sched.c | 1279 > +++++++++++++++++++--------------------- > kernel/softirq.c | 2 > kernel/sysctl.c | 26 > kernel/workqueue.c | 2 > 11 files changed, 919 insertions(+), 692 deletions(-) > > cfs: > Documentation/kernel-parameters.txt | 43 > Documentation/sched-design-CFS.txt | 107 + > Makefile | 2 > arch/i386/kernel/smpboot.c | 13 > arch/i386/kernel/tsc.c | 8 > arch/ia64/kernel/setup.c | 6 > arch/mips/kernel/smp.c | 11 > arch/sparc/kernel/smp.c | 10 > arch/sparc64/kernel/smp.c | 36 > fs/proc/array.c | 11 > fs/proc/base.c | 2 > fs/proc/internal.h | 1 > include/asm-i386/unistd.h | 3 > include/asm-x86_64/unistd.h | 4 > include/linux/hardirq.h | 13 > include/linux/sched.h | 94 + > init/main.c | 2 > kernel/exit.c | 3 > kernel/fork.c | 4 > kernel/posix-cpu-timers.c | 34 > kernel/sched.c | 2288 > +++++++++--------------------------- > kernel/sched_debug.c | 152 ++ > kernel/sched_fair.c | 601 +++++++++ > kernel/sched_rt.c | 184 ++ > kernel/sched_stats.h | 235 +++ > kernel/sysctl.c | 32 > 26 files changed, 2062 insertions(+), 1837 deletions(-) Sorry, my bad. I looked at a diffstat of the ck full set. Not only the SD part of it. tglx