Date: Wed, 7 Jul 2004 23:44:45 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: Eitarou Kamo <e-kamo@trio.plala.or.jp>, Daniel Ellard <ellard@eecs.harvard.edu>, freebsd-hackers@FreeBSD.ORG Subject: Re: Article on Sun's DTrace Message-ID: <20040708044444.GE57155@dan.emsphone.com> In-Reply-To: <20040708034845.GA59801@VARK.homeunix.com> References: <20040706120130.3DF9816A57D@hub.freebsd.org> <20040706101140.T92636@bowser.eecs.harvard.edu> <40EB9A46.2050409@trio.plala.or.jp> <20040708034845.GA59801@VARK.homeunix.com>
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In the last episode (Jul 07), David Schultz said: > The page referenced earlier in this thread pointed out that 6 > staff-years went into DTrace. That's accurate, and we're not talking > about part-time employees or people who don't know what they're > doing. The D compiler aside, this is not a small matter of > programming that can just be ported to a new OS or machine > architecture in a few months. Pawel Jakub Dawidek has already written a C-like language for his Cerber project that looks like it could be used for a FreeBSD DTrace. It doesn't support associative arrays for stat collecting like D does, but it's got just about everything else. If you just wanted to track syscalls, you could almost use Cerber as-is. http://cerber.sourceforge.net/ -- Dan Nelson dnelson@allantgroup.com
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