From owner-freebsd-hackers@FreeBSD.ORG  Fri Apr 22 15:44:36 2011
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: freebsd-hackers@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id C1201106564A
	for <freebsd-hackers@FreeBSD.org>; Fri, 22 Apr 2011 15:44:36 +0000 (UTC)
	(envelope-from avg@FreeBSD.org)
Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140])
	by mx1.freebsd.org (Postfix) with ESMTP id 135698FC08
	for <freebsd-hackers@FreeBSD.org>; Fri, 22 Apr 2011 15:44:35 +0000 (UTC)
Received: from odyssey.starpoint.kiev.ua (alpha-e.starpoint.kiev.ua
	[212.40.38.101])
	by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id SAA00398;
	Fri, 22 Apr 2011 18:44:32 +0300 (EEST)
	(envelope-from avg@FreeBSD.org)
Message-ID: <4DB1A25F.8040700@FreeBSD.org>
Date: Fri, 22 Apr 2011 18:44:31 +0300
From: Andriy Gapon <avg@FreeBSD.org>
User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US;
	rv:1.9.2.15) Gecko/20110309 Lightning/1.0b2 Thunderbird/3.1.9
MIME-Version: 1.0
To: Chuck Tuffli <ctuffli@gmail.com>
References: <BANLkTi=iDhVTsdZLrFy6JohSRBexAhWyJA@mail.gmail.com>	<20110421221611.7f52ca98@kan.dnsalias.net>	<BANLkTikrdkR+uwcBGMkCAsfEXwc+YtoF7w@mail.gmail.com>
	<20110422112444.0e423a80@kan.dnsalias.net>
In-Reply-To: <20110422112444.0e423a80@kan.dnsalias.net>
X-Enigmail-Version: 1.1.2
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Cc: freebsd-hackers@FreeBSD.org
Subject: Re: no KLD symbols in dtrace?
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>, 
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 22 Apr 2011 15:44:36 -0000

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