From owner-freebsd-dtrace@FreeBSD.ORG Wed Mar 12 04:54:07 2014 Return-Path: Delivered-To: freebsd-dtrace@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id D20451AF; Wed, 12 Mar 2014 04:54:07 +0000 (UTC) Received: from cain.gsoft.com.au (cain.gsoft.com.au [203.31.81.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 0A42514C; Wed, 12 Mar 2014 04:54:06 +0000 (UTC) Received: from ur.dons.net.au (ppp118-210-56-74.lns20.adl2.internode.on.net [118.210.56.74]) (authenticated bits=0) by cain.gsoft.com.au (8.14.4/8.14.3) with ESMTP id s2C4rt5R025401 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NO); Wed, 12 Mar 2014 15:24:01 +1030 (CST) (envelope-from doconnor@gsoft.com.au) Subject: Re: dtracing static symbols Mime-Version: 1.0 (Mac OS X Mail 7.2 \(1874\)) Content-Type: multipart/signed; boundary="Apple-Mail=_00D1FADF-1C5C-4564-8585-FC5FF2625082"; protocol="application/pgp-signature"; micalg=pgp-sha1 From: "Daniel O'Connor" In-Reply-To: Date: Wed, 12 Mar 2014 15:23:55 +1030 Message-Id: <8848829A-0520-4602-9D8B-1260E0FD9A87@gsoft.com.au> References: <1394599542.80116.YahooMailBasic@web192602.mail.sg3.yahoo.com> To: Mark Johnston X-Mailer: Apple Mail (2.1874) X-Spam-Score: 0.163 () BAYES_00,RDNS_DYNAMIC X-Scanned-By: MIMEDefang 2.67 on 203.31.81.10 Cc: Robert Mustacchi , "freebsd-dtrace@freebsd.org" X-BeenThere: freebsd-dtrace@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: "A discussion list for developers working on DTrace in FreeBSD." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 12 Mar 2014 04:54:07 -0000 --Apple-Mail=_00D1FADF-1C5C-4564-8585-FC5FF2625082 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 On 12 Mar 2014, at 15:22, Mark Johnston wrote: > On Wed, Mar 12, 2014 at 12:50 AM, Daniel O'Connor = wrote: >>=20 >> On 12 Mar 2014, at 15:15, Prashanth Kumar = wrote: >>> If you run >>> # env DTRACE_DEBUG=3D1 dtrace -Ppid\$target -l -c ./static >>> you will notice that lot of probe creation will fail, also no probes = are created for instruction offsets. >>> you will have to update the libproc library and fasttrap code to = trace all the >>> functions. >>=20 >> I don't really care about the function offsets, just static = functions. >>=20 >> Or are you suggesting updating libproc and the fasttrap code will = allow that (as well as instruction offsets)? >=20 > I'd suggest updating to 9-STABLE. There have been quite a few fixes to > fasttrap and libproc since 9.2. OK, I'll give it a try. Have things change substantially in 10? Updating to that is probably = going to be as easy (famous last words :) -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C --Apple-Mail=_00D1FADF-1C5C-4564-8585-FC5FF2625082 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org iD8DBQFTH+hj5ZPcIHs/zowRAnYaAJ4p/R5bpLPTVNlyEzrrraEs+MA/LgCbBzMD lAJwX5sepmdvojJvxtsOUME= =Q9Y+ -----END PGP SIGNATURE----- --Apple-Mail=_00D1FADF-1C5C-4564-8585-FC5FF2625082--