Date: Tue, 12 Jun 2012 09:23:33 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: Brandon Falk <bfalk_bsd@brandonfa.lk> Cc: freebsd-hackers@FreeBSD.org Subject: Re: FreeBSD Boot Times Message-ID: <4FD6E065.6040601@FreeBSD.org> In-Reply-To: <4FD66F7E.2060404@brandonfa.lk> References: <4FD66F7E.2060404@brandonfa.lk>
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on 12/06/2012 01:21 Brandon Falk said the following: > Greetings, > > I was just wondering what it is that FreeBSD does that makes it take so long to > boot. Booting into Ubuntu minimal or my own custom Linux distro, literally takes > 0.5-2 seconds to boot up to shell, where FreeBSD takes about 10-20 seconds. I'm > not sure if anything could be parallelized in the boot process, but Linux > somehow manages to do it. The Ubuntu install I do pretty much consists of a > shell and developers tools, but it still has a generic kernel. There must be > some sort of polling done in the FreeBSD boot process that could be parallelized > or eliminated. > > Anyone have any suggestions? Do you have a breakdown of the boot time between pre-loader, loader, kernel and rc stages? > Note: This isn't really an issue, moreso a curiosity. Ditto. :-) -- Andriy Gapon
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