Date: Sat, 2 Nov 2013 08:54:20 -0400 From: George Neville-Neil <gnn@neville-neil.com> To: John Luk <john.37@gmail.com> Cc: freebsd-dtrace@freebsd.org Subject: Re: dtrace showed matched probes but nothing in output on FreeBSD 9.1-RELEASE Message-ID: <F394CF37-48E5-4F1F-A22F-EDF7227FEAAF@neville-neil.com> In-Reply-To: <CAHkCX6j1H4cxeb255gdH_cLop5Lv0xJABbuma%2B835gNNq-Nshg@mail.gmail.com> References: <CAHkCX6j1H4cxeb255gdH_cLop5Lv0xJABbuma%2B835gNNq-Nshg@mail.gmail.com>
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--Apple-Mail=_E85DF1E5-8618-48DE-A6A4-4AA3830ADCE4 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=us-ascii On Nov 1, 2013, at 23:56 , John Luk <john.37@gmail.com> wrote: > Hi all, > I'm a newbie in dtrace, and I following this tutorial from Oracle: > http://docs.oracle.com/cd/E19205-01/820-4221/ to learn dtrace. In the > example of test.c and ufunc.d, I expected output like this: > > % dtrace -s ufunc.d -c ./a.out a.out > > dtrace: script 'ufunc.d' matched 5 probes > dtrace: pid 27210 has exited > > inet_makeaddr 1 > foo1 1 > foo 1 > main 1 > __fsr 1 > > > But I got this instead: > > # dtrace -s ufunc.d -c ./a.out a.out > dtrace: script 'ufunc.d' matched 5 probes > dtrace: pid 86498 has exited > > # > > My system info: > root@home:/home/spin6lock/test # dtrace -V > dtrace: Sun D 1.7 > root@home:/home/spin6lock/test # uname -a > FreeBSD 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Mon Oct 28 20:52:03 CST > 2013 root@xiangling:/usr/obj/usr/src/sys/DTRACE amd64 > > Any clues? Thanks in advanced. > How did you compile the progam to a.out? Best, George --Apple-Mail=_E85DF1E5-8618-48DE-A6A4-4AA3830ADCE4 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 iEYEARECAAYFAlJ09fwACgkQYdh2wUQKM9LIawCg1IF4GGnpuNKbiLRvdGCYYEGB aHUAmgMrRdovDrCxaA9NtNu6JWv7M7nR =H8rI -----END PGP SIGNATURE----- --Apple-Mail=_E85DF1E5-8618-48DE-A6A4-4AA3830ADCE4--
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