Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932119AbWBXMMb (ORCPT ); Fri, 24 Feb 2006 07:12:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932121AbWBXMMb (ORCPT ); Fri, 24 Feb 2006 07:12:31 -0500 Received: from smtp.osdl.org ([65.172.181.4]:37041 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S932119AbWBXMMa (ORCPT ); Fri, 24 Feb 2006 07:12:30 -0500 Date: Fri, 24 Feb 2006 04:11:45 -0800 From: Andrew Morton To: Ingo Molnar Cc: gthaker@atl.lmco.com, linux-kernel@vger.kernel.org Subject: Re: ~5x greater CPU load for a networked application when using 2.6.15-rt15-smp vs. 2.6.12-1.1390_FC4 Message-Id: <20060224041145.5bcdbc97.akpm@osdl.org> In-Reply-To: <20060223205851.GA24321@elte.hu> References: <43FE134C.6070600@atl.lmco.com> <20060223205851.GA24321@elte.hu> X-Mailer: Sylpheed version 1.0.4 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 443 Lines: 12 Ingo Molnar wrote: > > To figure out the true overhead of both kernels, could you try the > attached loop_print_thread.c code > http://www.zip.com.au/~akpm/linux/#zc <- better ;) - 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/