From owner-freebsd-current@FreeBSD.ORG Fri Dec 2 07:00:03 2011 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx2.freebsd.org (mx2.freebsd.org [IPv6:2001:4f8:fff6::35]) by hub.freebsd.org (Postfix) with ESMTP id 56FA1106564A for ; Fri, 2 Dec 2011 07:00:03 +0000 (UTC) (envelope-from dougb@FreeBSD.org) Received: from 172-17-198-245.globalsuite.net (hub.freebsd.org [IPv6:2001:4f8:fff6::36]) by mx2.freebsd.org (Postfix) with ESMTP id 5738714F825; Fri, 2 Dec 2011 06:59:59 +0000 (UTC) Message-ID: <4ED8776F.9060301@FreeBSD.org> Date: Thu, 01 Dec 2011 22:59:59 -0800 From: Doug Barton Organization: http://SupersetSolutions.com/ User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:8.0) Gecko/20111110 Thunderbird/8.0 MIME-Version: 1.0 To: Steve Kargl References: <20111202015133.GA4111@dragon.NUXI.org> <20111202064132.GC88903@troutmask.apl.washington.edu> In-Reply-To: <20111202064132.GC88903@troutmask.apl.washington.edu> X-Enigmail-Version: undefined OpenPGP: id=1A1ABC84 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-current , Max Khon Subject: Re: WITHOUT_PROFILE=yes by default X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Dec 2011 07:00:03 -0000 On 12/01/2011 22:41, Steve Kargl wrote: > Having a set of profiled libraries in-sync with the static > and shared libraries allows one to run the profiler on their > code when someone changes a library and that change causes > a dramatic change in the performance of one's code. And as Max pointed out in his OP, that only applies to a tiny fraction of our users, or even our developers. If you want to use them, turn the knob. > PS: David was not complaining about "fixing a 17 year old bug". > He was stating that a single day of discussion changing > a 17 year old practice seems a little too brief. If it's a good idea, it's a good idea no matter how many different ways we flog it. :) Doug -- "We could put the whole Internet into a book." "Too practical." Breadth of IT experience, and depth of knowledge in the DNS. Yours for the right price. :) http://SupersetSolutions.com/