Re: HW breakpoints perf_events request

[Frederic Weisbecker]

On Mon, Jan 18, 2010 at 11:33:46AM -0500, Frank Ch. Eigler wrote:
> Frederic Weisbecker <fweisbec@xxxxxxxxx> writes:
> 
> > [...]
> > What about extending ptrace to support a new type of
> > breakpoint debugging interface?
> 
> This is the sort of reason why the utrace-gdbstub prototype was
> constructed.  It should allow in-kernel implementation of the
> multithreaded gdb extensions.  (By the way, it can already use uprobes
> rather than userspace-managed breakpoints.)


Can utrace somehow meet Joshua's needs? I'm not sure what kind
of interface it can offer for that. The fact is I don't know
very well utrace :)  Do you plan a resubmission soon?

Thanks.

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