From owner-freebsd-arch@FreeBSD.ORG  Tue Jun  3 04:41:05 2003
Return-Path: <owner-freebsd-arch@FreeBSD.ORG>
Delivered-To: freebsd-arch@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id D8CF637B401
	for <arch@FreeBSD.org>; Tue,  3 Jun 2003 04:41:05 -0700 (PDT)
Received: from duke.cs.duke.edu (duke.cs.duke.edu [152.3.140.1])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 26ECA43F85
	for <arch@FreeBSD.org>; Tue,  3 Jun 2003 04:41:05 -0700 (PDT)
	(envelope-from gallatin@cs.duke.edu)
Received: from grasshopper.cs.duke.edu (grasshopper.cs.duke.edu
	[152.3.145.30])
	by duke.cs.duke.edu (8.12.9/8.12.9) with ESMTP id h53Bf2MD010007
	(version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO);
	Tue, 3 Jun 2003 07:41:02 -0400 (EDT)
Received: (from gallatin@localhost)
	by grasshopper.cs.duke.edu (8.11.6/8.9.1) id h53Beu747282;
	Tue, 3 Jun 2003 07:40:56 -0400 (EDT)
	(envelope-from gallatin@cs.duke.edu)
From: Andrew Gallatin <gallatin@cs.duke.edu>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Message-ID: <16092.35144.948752.554975@grasshopper.cs.duke.edu>
Date: Tue, 3 Jun 2003 07:40:56 -0400 (EDT)
To: Martin Blapp <mb@imp.ch>
In-Reply-To: <20030603113927.I71313@cvs.imp.ch>
References: <20030603113927.I71313@cvs.imp.ch>
X-Mailer: VM 6.75 under 21.1 (patch 12) "Channel Islands" XEmacs Lucid
cc: arch@FreeBSD.org
Subject: Re: Making a dynamically-linked root
X-BeenThere: freebsd-arch@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Discussion related to FreeBSD architecture
	<freebsd-arch.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-arch>,
	<mailto:freebsd-arch-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-arch>
List-Post: <mailto:freebsd-arch@freebsd.org>
List-Help: <mailto:freebsd-arch-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-arch>,
	<mailto:freebsd-arch-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 03 Jun 2003 11:41:06 -0000


Martin Blapp writes:
 > 
 > Hi,
 > 
 > >I don't want to sound harsh, and I do appreciate your work.  However,
 > >I think the last thing FreeBSD needs now is to get slower.  We're
 > >already far slower than that other free OS.  Shouldn't we consider
 > >making the dynamic root optional and leaving a static root as
 > >standard?
 > 
 > This is during startup. Webservers and all other applications are
 > still dynamically linked as before. No speed loss there.
 > 

Webservers and all other applications which run shell scripts exec a
shell to interpret that script.  Regardless of how the parent is
linked, if the exec'ed shell is dynamically linked, there is an added
cost to exec'ing it.

Drew