From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756937AbYIRSjx (ORCPT ); Thu, 18 Sep 2008 14:39:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756092AbYIRSjp (ORCPT ); Thu, 18 Sep 2008 14:39:45 -0400 Received: from terminus.zytor.com ([198.137.202.10]:60672 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756091AbYIRSjp (ORCPT ); Thu, 18 Sep 2008 14:39:45 -0400 Message-ID: <48D2A045.5000907@zytor.com> Date: Thu, 18 Sep 2008 11:39:01 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.16 (X11/20080723) MIME-Version: 1.0 To: Jason Baron CC: Ingo Molnar , Andrew Morton , Yinghai Lu , Thomas Gleixner , linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/6] loglevel=pci:8,acpi:8,apic=8 support v6 References: <1221640067-24389-1-git-send-email-yhlu.kernel@gmail.com> <20080917015543.27172da4.akpm@linux-foundation.org> <20080917092732.GB32107@elte.hu> <20080917184618.GB6486@redhat.com> <48D159A7.5080907@zytor.com> <20080918105728.GF20967@elte.hu> <48D2758B.1000004@zytor.com> <20080918155041.GB3097@redhat.com> <48D27A7E.8090403@zytor.com> <20080918161957.GC3097@redhat.com> In-Reply-To: <20080918161957.GC3097@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Jason Baron wrote: > > in my testing there was no significant difference between pre-filtering > vs. not built in. However, there was a measureable affect of having them > built in vs. not built in. > Okay, I'm so bloody sick of hearing people justifying bloat by saying "no measurable difference." That only means that you don't have GROSS bloat. Unless you have real statistics to the contrary, most people's performance testing is at the very best accurate to 5-10%. This is hardly "no bloat". -hpa