In the last episode (Jul 18), Pawel Jakub Dawidek said:
> On Fri, Jul 18, 2003 at 01:45:34AM -0700, Terry Lambert wrote:
> +> > +> truss Relies on the event model of procfs; there have been
> +> > +> some initial patches and discussion of migrating truss
> +> > +> to ptrace() but I don't think we have anything very
> +> > +> usable yet. I'd be happy to be corrected on this. :-)
> +> >
> +> > Hmm, why to change this behaviour? Is there any functionality
> +> > that ktrace(1) doesn't provide?
> +>
> +> It can interactively run in another window, giving you realtime
> +> updates on what's happening up to the point of a kernel crash.
> +> With ktrace, you are relatively screwed.
>
> Hmm, you're talking about:
>
> # ktrace -p <PID>
> # kdump -l
Neat! I didn't know about -l. One thing truss/strace can do that
ktrace doesn't (can't?) is dereference pointers to print things like
select/poll arrays, stat structures, etc (see pr bin/52190, which is
waiting patiently for a committer).
--
Dan Nelson
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