Date: Wed, 1 Dec 2010 20:21:21 -0600 From: Zhihao Yuan <lichray@gmail.com> To: Navdeep Parhar <nparhar@gmail.com> Cc: Brandon Gooch <jamesbrandongooch@gmail.com>, freebsd-stable@freebsd.org, Jeremy Chadwick <freebsd@jdc.parodius.com>, Andriy Gapon <avg@freebsd.org> Subject: Re: Fwd: Re: Fail to use Dtrace on FreeBSD 8.1-STABLE Message-ID: <AANLkTi=vp0UNuemjKJimTRMd35NxeADZ2-%2B0qLVG%2BKWJ@mail.gmail.com> In-Reply-To: <AANLkTi=-A2eJ7vNHUJGxViMEW%2BcGpzJ8g1vJe0d9B48E@mail.gmail.com> References: <20101123081244.GA38354@icarus.home.lan> <20101123082046.GA62301@compaq.yuetime> <4CEBB613.5010009@freebsd.org> <20101123131353.GA7243@icarus.home.lan> <20101123132519.GA1426@icarus.home.lan> <4CEBC155.9090706@freebsd.org> <AANLkTimsa-YM6B_272U4gjZzt1Ce05LR4sQTz_AiHJCU@mail.gmail.com> <AANLkTimb-Kijj_%2BQ2%2BxKrjtP65Zx%2BJ7rUjEP4i0HZyu6@mail.gmail.com> <20101202002734.GA84177@icarus.home.lan> <AANLkTikcHwXWGz-hcpJfZ_cM73pgHKPgCm3bApf94gwE@mail.gmail.com> <AANLkTinReeg3Xr6=553jwp5jfHuZppOd%2B0v1DC_rAEQC@mail.gmail.com> <AANLkTi=-A2eJ7vNHUJGxViMEW%2BcGpzJ8g1vJe0d9B48E@mail.gmail.com>
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ctfdump -S /boot/kernel/kernel works, my system has CTF configured. But I don't have either options KDB or options DDB I guess these has nothing to do with Dtrace, at least KDB is just a totally different module. Am I right? On Wed, Dec 1, 2010 at 7:47 PM, Navdeep Parhar <nparhar@gmail.com> wrote: > On Wed, Dec 1, 2010 at 5:37 PM, Zhihao Yuan <lichray@gmail.com> wrote: > > I guess such an error has nothing to do with the difference between > > compilers... I assumed that you used similar KERNCONF on your two > systems. > > So, a hypothesis is: Dtrace does not work correctly on amd64. > > It works just fine for me. I built my amd64 kernel a week or so back > with this KERNCONF: > include GENERIC > ident DWARF > options KDTRACE_FRAME > options KDTRACE_HOOKS > options KDB > options DDB > options DDB_CTF > > Can you check with ctfdump if you objects actually have CTF > information in them? Something like this: > # ctfdump -S /boot/kernel/kernel > .... > # ctfdump /boot/kernel/kernel | grep ... > > Regards, > Navdeep > > > > > On Wed, Dec 1, 2010 at 6:37 PM, Brandon Gooch > > <jamesbrandongooch@gmail.com>wrote: > > > >> On Wed, Dec 1, 2010 at 6:27 PM, Jeremy Chadwick > >> <freebsd@jdc.parodius.com> wrote: > >> > On Wed, Dec 01, 2010 at 06:22:40PM -0600, Brandon Gooch wrote: > >> >> On Wed, Dec 1, 2010 at 4:30 PM, Zhihao Yuan <lichray@gmail.com> > wrote: > >> >> > OK. Let's make this more clear: anyone has a working 8-2-PRERELEASE > >> kernel > >> >> > (amd64 is preferred) with Dtrace supports, which can run the > >> >> > scripts/commands on the wiki? If so, please post your kernel > >> configurations > >> >> > here, thanks. > >> >> > >> >> I have an i386 system working: > >> >> [snip] > >> > > >> > Can you please try the command the OP originally provided? See > command > >> > here: > >> > > >> > > >> > http://lists.freebsd.org/pipermail/freebsd-stable/2010-November/060216.html > >> > >> d820# dtrace -lP syscall | head > >> ID PROVIDER MODULE FUNCTION NAME > >> 17 syscall syscall > entry > >> 18 syscall syscall > return > >> 19 syscall exit > entry > >> 20 syscall exit > return > >> 21 syscall fork > entry > >> 22 syscall fork > return > >> 23 syscall read > entry > >> 24 syscall read > return > >> 25 syscall write > entry > >> > >> The error the OP received from the above command was pretty much > >> exactly what I was seeing when I attempting to use DTrace on my HEAD > >> system, built with clang. Same error, at least this part: > >> > >> "/usr/lib/dtrace/psinfo.d", line 88: failed to resolve type > >> kernel`struct thread * for identifier curthread: Unknown type name" > >> > >> I was running simply 'dtrace -l' to list all probes... > >> > >> -Brandon > >> > > > > > > > > -- > > Zhihao Yuan > > The best way to predict the future is to invent it. > > _______________________________________________ > > freebsd-stable@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org > " > > > -- Zhihao Yuan The best way to predict the future is to invent it.
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