From owner-freebsd-performance@FreeBSD.ORG Wed Apr 18 12:59:50 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 17CA61065740; Wed, 18 Apr 2012 12:59:50 +0000 (UTC) (envelope-from erik@cederstrand.dk) Received: from csmtp3.one.com (csmtp3.one.com [91.198.169.23]) by mx1.freebsd.org (Postfix) with ESMTP id C96098FC17; Wed, 18 Apr 2012 12:59:49 +0000 (UTC) Received: from [192.168.1.15] (unknown [217.157.7.221]) by csmtp3.one.com (Postfix) with ESMTPA id 82F5C24140FC; Wed, 18 Apr 2012 12:59:43 +0000 (UTC) Mime-Version: 1.0 (Apple Message framework v1257) Content-Type: text/plain; charset=us-ascii From: Erik Cederstrand In-Reply-To: Date: Wed, 18 Apr 2012 14:59:39 +0200 Content-Transfer-Encoding: quoted-printable Message-Id: <4629DAB7-2B42-4044-BA72-34D4DB1D649F@cederstrand.dk> References: <372FBDA0-CF01-4C54-A871-BB3910624A05@cederstrand.dk> To: Attilio Rao X-Mailer: Apple Mail (2.1257) 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 12:59:50 -0000 Hi Attilio, Den 18/04/2012 kl. 13.04 skrev Attilio Rao: > 2012/4/18, Erik Cederstrand : >> Hi all, >>=20 >> 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? >=20 > You should look at the commits by ken@ about preparation for releases > about the config files, they remove all the debugging options. >=20 > For instance, they are almost all about kernel debugging options and > enabling of MALLOC_PRODUCTION in libc. Thanks! I found the latest commit from ken@ at = http://lists.freebsd.org/pipermail/svn-src-all/2011-October/043315.html For future reference, the wiki covers also this: = http://wiki.freebsd.org/DefaultDebuggingKnobs Erik=