Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753559AbYC2XW5 (ORCPT ); Sat, 29 Mar 2008 19:22:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751373AbYC2XWt (ORCPT ); Sat, 29 Mar 2008 19:22:49 -0400 Received: from quechua.inka.de ([193.197.184.2]:48606 "EHLO mail.inka.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751310AbYC2XWs (ORCPT ); Sat, 29 Mar 2008 19:22:48 -0400 From: Bernd Eckenfels To: linux-kernel@vger.kernel.org Subject: Re: performance differences: "maxcpus=1" vs. "echo 0 > /sys/devices/system/cpu/cpu1/online" Organization: Private Site running Debian GNU/Linux In-Reply-To: <16336.23884.qm@web25814.mail.ukl.yahoo.com> X-Newsgroups: ka.lists.linux.kernel User-Agent: tin/1.7.8-20050315 ("Scalpay") (UNIX) (Linux/2.6.13.4 (i686)) Message-Id: Date: Sun, 30 Mar 2008 00:22:46 +0100 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 720 Lines: 17 In article <16336.23884.qm@web25814.mail.ukl.yahoo.com> you wrote: > Is here any method to get the exact same behaviour of > "maxcpus=1" with disabling the second core only I dont have much insight, but I do remember some java performance problems on Multi-Core with some Dell Desktops. I think they had been fixed with a Bios upgrade. Sorry I dont remeber the chip and revision details anymore. I just felt reminded, because MAXCPU=1 helped back then, also. Gruss Bernd y -- 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/