Date: Tue, 23 Nov 2010 15:27:49 +0200 From: Andriy Gapon <avg@freebsd.org> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: freebsd-stable@freebsd.org Subject: Re: Fwd: Re: Fail to use Dtrace on FreeBSD 8.1-STABLE Message-ID: <4CEBC155.9090706@freebsd.org> In-Reply-To: <20101123132519.GA1426@icarus.home.lan> References: <20101123081244.GA38354@icarus.home.lan> <20101123082046.GA62301@compaq.yuetime> <4CEBB613.5010009@freebsd.org> <20101123131353.GA7243@icarus.home.lan> <20101123132519.GA1426@icarus.home.lan>
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on 23/11/2010 15:25 Jeremy Chadwick said the following: > On Tue, Nov 23, 2010 at 05:13:53AM -0800, Jeremy Chadwick wrote: >> On Tue, Nov 23, 2010 at 02:39:47PM +0200, Andriy Gapon wrote: >>> on 23/11/2010 10:20 Zhihao Yuan said the following: >>>> Attach my kernel configuration here, just in case. >>>> >>>> On 00:12 Tue 23 Nov, Jeremy Chadwick wrote: >>>>> Forwarding back to the mailing list since the OP didn't CC it on his >>>>> reply to me. >>>>> >>>>> ----- Forwarded message from Zhihao Yuan <lichray@gmail.com> ----- >>>>> >>>>>> From: Zhihao Yuan <lichray@gmail.com> >>>>>> To: Jeremy Chadwick <freebsd@jdc.parodius.com> >>>>>> Date: Tue, 23 Nov 2010 01:18:57 -0600 >>>>>> Subject: Re: Fail to use Dtrace on FreeBSD 8.1-STABLE >>>>>> >>>>>> I followed the instructions, but still can not run any D-scripts. All >>>>>> scripts shows the error message that I just posted. >>> >>> Are the installed world and the installed kernel in sync? >>> (Built from the same state of source code). The same question. >> FWIW, I can reproduce his problem when following the procedure outlined >> in the Wiki. >> >> As a workaround I tried adding WITH_CTF=true to /etc/src.conf and >> rebuilding + reinstalling world + reboot, to no avail. I'm rebuilding >> the kernel now to see if that makes a difference after the above >> workaround. > > Nope, no go. > > icarus# kldload dtraceall > icarus# dtrace -lP syscall > dtrace: invalid probe specifier syscall: "/usr/lib/dtrace/psinfo.d", line 37: syntax error near "uid_t" > > icarus# ls -l /boot/kernel/kernel > -r-xr-xr-x 1 root wheel 7180261 Nov 23 05:16 /boot/kernel/kernel > icarus# ls -l /usr/lib/dtrace > total 32 > -r--r--r-- 1 root wheel 8608 Nov 23 05:09 drti.o > -r--r--r-- 1 root wheel 6910 Nov 23 05:09 errno.d > -r--r--r-- 1 root wheel 3196 Nov 23 05:09 psinfo.d > -r--r--r-- 1 root wheel 3597 Nov 23 05:09 regs_x86.d > -r--r--r-- 1 root wheel 3121 Nov 23 05:09 signal.d > -r--r--r-- 1 root wheel 2019 Nov 23 05:09 unistd.d > > icarus# vim /usr/lib/dtrace/psinfo.d > ... > 31 typedef struct psinfo { > 32 int pr_nlwp; /* number of threads */ > 33 pid_t pr_pid; /* unique process id */ > 34 pid_t pr_ppid; /* process id of parent */ > 35 pid_t pr_pgid; /* pid of process group leader */ > 36 pid_t pr_sid; /* session id */ > 37 uid_t pr_uid; /* real user id */ > 38 uid_t pr_euid; /* effective user id */ > 39 gid_t pr_gid; /* real group id */ > 40 gid_t pr_egid; /* effective group id */ > -- Andriy Gapon
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