From owner-freebsd-performance@FreeBSD.ORG Wed Apr 18 11:04:36 2012 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1A38E106564A for ; Wed, 18 Apr 2012 11:04:36 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: from mail-lb0-f182.google.com (mail-lb0-f182.google.com [209.85.217.182]) by mx1.freebsd.org (Postfix) with ESMTP id 8FB568FC08 for ; Wed, 18 Apr 2012 11:04:35 +0000 (UTC) Received: by lbbgm6 with SMTP id gm6so1444576lbb.13 for ; Wed, 18 Apr 2012 04:04:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=ISfYf2pm60HrqTZ+fWxGT6GuivsVN1giqVBLGmseeHw=; b=P+Wv+XQuH5UV47pRRL8N/hLgc8arOJs1pLKAxu0Z1LU0IsQ2StudFcRMw9DcbXJTvw 3gFiTo0E1jv5siNXHnkv7xnt9RMOa4I6L2NV7jPI0QYH7GlHxSXhOwcGEGGIAiD49JtI vP9va1moNQYE+mN0dSqXxPB3c6RZ/PVYyGJKHqTBeE2M/u1xjYrE2geJpi8Ky7x0loPD 6kkIVlpU0E7eohWyH/hYW6XEyU6FqBGu2Ua3xFcEx+AZXCKUD0iWmbpvX0Vj2ELf9PMv kdolAzGfXBT8ZW5g8xky2i744qOkCG8ViC9zBa5OUBF2htzNVjjKUdJ5YM4M+XzPn0xP FCKQ== MIME-Version: 1.0 Received: by 10.112.24.103 with SMTP id t7mr836048lbf.22.1334747074292; Wed, 18 Apr 2012 04:04:34 -0700 (PDT) Sender: asmrookie@gmail.com Received: by 10.112.93.138 with HTTP; Wed, 18 Apr 2012 04:04:34 -0700 (PDT) In-Reply-To: <372FBDA0-CF01-4C54-A871-BB3910624A05@cederstrand.dk> References: <372FBDA0-CF01-4C54-A871-BB3910624A05@cederstrand.dk> Date: Wed, 18 Apr 2012 12:04:34 +0100 X-Google-Sender-Auth: StlTH3xvpdPgvew_AEMvRrbwg20 Message-ID: From: Attilio Rao To: Erik Cederstrand Content-Type: text/plain; charset=UTF-8 Cc: freebsd-performance@freebsd.org Subject: Re: Debugging features in HEAD X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 Apr 2012 11:04:36 -0000 2012/4/18, Erik Cederstrand : > Hi all, > > I'd like to do some performance comparisons between HEAD and e.g. 9.0. Is > there a more authoritative source than the handwaving at the beginning of > /usr/src/UPDATING in HEAD regarding what needs to be changed in HEAD to make > HEAD and release branches comparable? You should look at the commits by ken@ about preparation for releases about the config files, they remove all the debugging options. For instance, they are almost all about kernel debugging options and enabling of MALLOC_PRODUCTION in libc. Attilio -- Peace can only be achieved by understanding - A. Einstein