Date: Sun, 9 Jun 2013 10:00:16 -0400 From: George Neville-Neil <gnn@freebsd.org> To: Sevan / Venture37 <venture37@gmail.com> Cc: freebsd-dtrace@freebsd.org Subject: Re: State of DTrace on FreeBSD Message-ID: <2CA4BD16-DE04-419D-A26F-3D803D91687D@freebsd.org> In-Reply-To: <51B487C8.8040007@gmail.com> References: <51B487C8.8040007@gmail.com>
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On Jun 9, 2013, at 9:48 , Sevan / Venture37 <venture37@gmail.com> wrote: > Hi Guys, > I started off with wanting to run postgresql on FreeBSD with DTrace = support enabled but ran into various problems, digging further I = discovered that the issue is not specific to Postgreqsl. >=20 > My test system was FreeBSD-CURRENT/amd64 but I went back to 8.4/i386 = to test. >=20 > On fresh 8.4 install it's not possible to build a kernel or world = WITH_CTF=3D1, build fails with WITH_CTF & WITHOUT_CTF can't both be set > On FreeBSD-CURRENT (r251249 from last Sunday), postgresql & firefox = build --with-dtrace but probes never show up when running dtrace -l >=20 > On FreeBSD 9.1-STABLE (r250009) postgresql wouldn't build with dtrace = support enabled. > Failing with > Assertion failed: (nrc =3D=3D rc), function _libelf_resync_sections, = file > /usr/src/lib/libelf/elf_update.c, line 341. > gmake: *** [utils/probes.o] Abort trap: 6 (core dumped) > gmake: *** Deleting file 'utils/probes.o' > *** [do-build] Error code 2 >=20 > Previously reported here & = http://lists.freebsd.org/pipermail/freebsd-questions/2013-May/250843.html >=20 > I was wondering what the percieved state of DTrace support was from = the developers perspective, is this known behaviour? > Should I rais a PR to flag the postgresql port broken when attempting = to build with dtrace support? Please raise these bugs when you find them. There are several of us now = working to make sure that DTrace on FreeBSD is at parity with DTrace in illumos, and that's a = non trivial undertaking. Best, George
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