Date: Wed, 12 Mar 2014 22:58:35 +1030 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: Mark Johnston <markj@freebsd.org> Cc: Robert Mustacchi <rm@joyent.com>, "freebsd-dtrace@freebsd.org" <freebsd-dtrace@freebsd.org> Subject: Re: dtracing static symbols Message-ID: <A407385B-9202-4908-8127-D3BF28600065@gsoft.com.au> In-Reply-To: <CAMw1wOxxOf1isA_STOjfeC6EA_=NuyzY8QFkz9n9eNTmAWaGag@mail.gmail.com> References: <1394599542.80116.YahooMailBasic@web192602.mail.sg3.yahoo.com> <DAFA24CE-0318-4455-9EE3-C8617BBE7D0B@gsoft.com.au> <CAMw1wOw11McV5r69MTafX5vRnPVm-jdApLcMOUQuD_A6btpO=Q@mail.gmail.com> <8848829A-0520-4602-9D8B-1260E0FD9A87@gsoft.com.au> <CAMw1wOxxOf1isA_STOjfeC6EA_=NuyzY8QFkz9n9eNTmAWaGag@mail.gmail.com>
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[-- Attachment #1 --] On 12 Mar 2014, at 15:26, Mark Johnston <markj@freebsd.org> wrote: > On Wed, Mar 12, 2014 at 12:53 AM, Daniel O'Connor <doconnor@gsoft.com.au> wrote: >> >> On 12 Mar 2014, at 15:22, Mark Johnston <markj@freebsd.org> wrote: >>> On Wed, Mar 12, 2014 at 12:50 AM, Daniel O'Connor <doconnor@gsoft.com.au> wrote: >>>> >>>> On 12 Mar 2014, at 15:15, Prashanth Kumar <pra_udupi@yahoo.co.in> wrote: >>>>> If you run >>>>> # env DTRACE_DEBUG=1 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. >>>> >>>> I don't really care about the function offsets, just static functions. >>>> >>>> Or are you suggesting updating libproc and the fasttrap code will allow that (as well as instruction offsets)? >>> >>> 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 :) > > No, STABLE-9 and STABLE-10 should be more or less identical as far as > userland DTrace is concerned. There are some extra changes on CURRENT, > but I don't think they'd affect the behaviour you're seeing. OK, I upgraded to r263061 and I can now see static variables, thanks! -- 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 [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org iD8DBQFTIFLz5ZPcIHs/zowRAq3xAJ9LVk8/qpMAT7qUUsvVkUA59MOy5QCffv/3 tnHZndnP2Ka6DedcKYv2VgU= =jSRy -----END PGP SIGNATURE-----
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