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Comments: In-reply-to Robert Watson <rwatson@FreeBSD.org>
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Date: Sat, 06 Mar 2010 18:55:07 +0200
From: Daniel Braniss <danny@cs.huji.ac.il>
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Cc: freebsd-stable@freebsd.org
Subject: Re: is dtrace usable? 
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> 
> On Sat, 6 Mar 2010, Daniel Braniss wrote:
> 
> > 	link_elf_obj: symbol lapic_cyclic_clock_func undefined
> >
> > when trying
> > 	kldload dtraceall this is with a fearly resent 8-stable
> >
> > I'm trying to help Rick Maclem debug the NSF/UDP problem, and I thought it 
> > would be a good chance to learn dtrace, but :-(
> 
> Take a look at the DTrace configuration information here:
> 
>    http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/dtrace.html
> 
> And here:
> 
>    http://wiki.freebsd.org/DTrace
> 
> It looks like options KDTRACE_HOOKS may not be defined in your kernel 
> configuration, but there are some other details, such as WITH_CTF=1, that 
> you'll also need to make sure are appropriately set.
> 
> Robert

I did all that, but booted the wrong kernel,
sorry for the noise

	danny