Date: Mon, 30 Dec 2013 17:30:00 GMT From: John-Mark Gurney <jmg@funkthat.com> To: freebsd-amd64@FreeBSD.org Subject: Re: amd64/185290: Dtrace does not work on -stable/10 Message-ID: <201312301730.rBUHU0O7045493@freefall.freebsd.org>
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The following reply was made to PR amd64/185290; it has been noted by GNATS. From: John-Mark Gurney <jmg@funkthat.com> To: Robert David <robert.david.public@gmail.com> Cc: freebsd-gnats-submit@freebsd.org Subject: Re: amd64/185290: Dtrace does not work on -stable/10 Date: Mon, 30 Dec 2013 09:28:49 -0800 Robert David wrote this message on Mon, Dec 30, 2013 at 12:00 +0000: > >Description: > All simple dtrace oneliners I tryed has the same output: > > root@notebook ~ # dtrace -n 'syscall:::entry { @num[execname] = count(); }' > dtrace: invalid probe specifier syscall:::entry { @num[execname] = count(); }: "/usr/lib/dtrace/io.d", line 43: operator -> cannot be applied to a forward declaration: no struct devstat definition is available Did you do a: kldload dtraceall on the system? Just dtrace.ko isn't enough to have dtrace work.. What does dtrace -l say? If you just have dtrace.ko loaded, you'll see something like: # dtrace -l ID PROVIDER MODULE FUNCTION NAME 1 dtrace BEGIN 2 dtrace END 3 dtrace ERROR if you have dtraceall.ko loaded, you should see many pages of lines.. -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."
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