From owner-freebsd-hackers@FreeBSD.ORG Wed Jun 13 22:06:23 2012 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 96637106566C for ; Wed, 13 Jun 2012 22:06:23 +0000 (UTC) (envelope-from wblock@wonkity.com) Received: from wonkity.com (wonkity.com [67.158.26.137]) by mx1.freebsd.org (Postfix) with ESMTP id 523078FC14 for ; Wed, 13 Jun 2012 22:06:23 +0000 (UTC) Received: from wonkity.com (localhost [127.0.0.1]) by wonkity.com (8.14.5/8.14.5) with ESMTP id q5DM6Gx0011877; Wed, 13 Jun 2012 16:06:16 -0600 (MDT) (envelope-from wblock@wonkity.com) Received: from localhost (wblock@localhost) by wonkity.com (8.14.5/8.14.5/Submit) with ESMTP id q5DM6GVe011874; Wed, 13 Jun 2012 16:06:16 -0600 (MDT) (envelope-from wblock@wonkity.com) Date: Wed, 13 Jun 2012 16:06:16 -0600 (MDT) From: Warren Block To: Richard Yao In-Reply-To: Message-ID: References: <4FD66F7E.2060404@brandonfa.lk> <71dc991c8d1b4d2c91ff942fc5f8f340@HUBCAS2.cs.stonybrook.edu> <4FD7CA24.6080405@gentoo.org> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (wonkity.com [127.0.0.1]); Wed, 13 Jun 2012 16:06:16 -0600 (MDT) Cc: freebsd-hackers@freebsd.org Subject: Re: FreeBSD Boot Times X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jun 2012 22:06:23 -0000 On Tue, 12 Jun 2012, Warren Block wrote: > On Tue, 12 Jun 2012, Richard Yao wrote: > >> Gentoo FreeBSD shares OpenRC with Gentoo Linux. OpenRC is a BSD 2-clause >> licensed System V init system replacement that supports parallel boot. >> Its boot performance is competitive with systemd and Ubuntu's upstart. >> >> If FreeBSD's init system is serializing the boot process, it might be >> worthwhile to consider importing OpenRC. > > There have been at least two attempts to parallelize the rc scripts. The more > recent one was posted on the forums. AFAIR, one advantage it had was no or > few changes to the rc scripts, and something like 40% improvement in startup > time. I'll post a link if I can find it. > > Startup time is a big deal for notebooks. Thanks to pointers from forum members and moderators, links to various attempts to improve startup time: An older attempt in -current: http://freebsd.1045724.n5.nabble.com/rc-improvements-wanted-td3911390.html The forums post: http://forums.freebsd.org/showthread.php?t=25822 And a newer effort from the PC-BSD folks which sounds very promising: http://comments.gmane.org/gmane.os.pcbsd.testing/6225