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Date: Sun, 05 Dec 2010 00:43:06 +0200
From: Andriy Gapon <avg@freebsd.org>
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To: Zhihao Yuan <lichray@gmail.com>
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Cc: Brandon Gooch <jamesbrandongooch@gmail.com>, freebsd-stable@freebsd.org,
	Navdeep Parhar <nparhar@gmail.com>,
	Jeremy Chadwick <freebsd@jdc.parodius.com>
Subject: Re: Fwd: Re: Fail to use Dtrace on FreeBSD 8.1-STABLE
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on 05/12/2010 00:23 Zhihao Yuan said the following:
> HAHAHAHA!  It matters.... Not KBD, not DDB, only the DEBUG=-g option. It seems
> like DTrace requires the symbols inside a kernel/program. Well, now my DTrace
> works perfectly, and the examples on the wiki also work. The next step is to try
> to use it to trace my program. SDT may help. I need to learn more. Thanks guys...

Interesting, thank you very much for the investigation and report!
And your persistence too! :)

I will try to find time to investigate why this requirement has arisen or if it
has always been present, just not documented.
If it can be removed, then good; otherwise I will update the documentation at least.

-- 
Andriy Gapon