Re: HW breakpoints perf_events request

From: Frank Ch. Eigler
Date: Mon Jan 18 2010 - 11:34:15 EST

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.)

- FChE
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