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Date:      Fri, 22 Apr 2011 18:44:31 +0300
From:      Andriy Gapon <avg@FreeBSD.org>
To:        Chuck Tuffli <ctuffli@gmail.com>
Cc:        freebsd-hackers@FreeBSD.org
Subject:   Re: no KLD symbols in dtrace?
Message-ID:  <4DB1A25F.8040700@FreeBSD.org>
In-Reply-To: <20110422112444.0e423a80@kan.dnsalias.net>
References:  <BANLkTi=iDhVTsdZLrFy6JohSRBexAhWyJA@mail.gmail.com>	<20110421221611.7f52ca98@kan.dnsalias.net>	<BANLkTikrdkR%2BuwcBGMkCAsfEXwc%2BYtoF7w@mail.gmail.com> <20110422112444.0e423a80@kan.dnsalias.net>

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on 22/04/2011 18:24 Alexander Kabaev said the following:
> Do ctfdump -tf on your kld and verify that what it outputs actually
> makes sense. Do kldload and see if fbt provider knows about your module
> and functions. There is nothing else special that I can think off.
> 
> Maybe make sure that you compile your sources with -g in the first
> place? DWARF debug info is what CTF generation utils use to figure out
> types and function prototypes.

Also, dtrace process needs to access the module file for address-to-name translation.

-- 
Andriy Gapon



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