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Date: Fri, 22 Apr 2011 08:56:06 -0700
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From: Chuck Tuffli <ctuffli@gmail.com>
To: Andriy Gapon <avg@freebsd.org>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: no KLD symbols in dtrace?
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On Fri, Apr 22, 2011 at 8:44 AM, Andriy Gapon <avg@freebsd.org> wrote:
> 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.

The ctfdump looks correct and
    dtrace -ln "fbt::ocs_*:"
shows the kld's function names

>> 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.

OK

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

Hmm ... I'm building this module out of tree. Where does dtrace look
for modules?

---chuck