From owner-freebsd-hackers@FreeBSD.ORG  Tue Jun 12 06:23:38 2012
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Date: Tue, 12 Jun 2012 09:23:33 +0300
From: Andriy Gapon <avg@FreeBSD.org>
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To: Brandon Falk <bfalk_bsd@brandonfa.lk>
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Cc: freebsd-hackers@FreeBSD.org
Subject: Re: FreeBSD Boot Times
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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