Re: HW breakpoints perf_events request

From: Frederic Weisbecker
Date: Tue Jan 19 2010 - 09:50:48 EST

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?


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at