is dtrace usable?
Daniel Braniss
danny at cs.huji.ac.il
Sat Mar 6 16:55:08 UTC 2010
>
> 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
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