Re: [RFC Patch 0/4] Enhance perf-events to profile memory accessesusing hw-breakpoints - ver II

From: Ingo Molnar
Date: Mon Nov 02 2009 - 10:05:32 EST

* Frederic Weisbecker <fweisbec@xxxxxxxxx> wrote:

> Well this ascii art should be a bit more complicated actually. But
> anyway. Prasad's patchset is another branch of evolution of
> tracing/hw-breakpoints.
> I've expressed my opinion about that in a mail yesterday. I basically
> think it limits the perf events possibilities and rewrites the context
> binding / register allocation that perf already handles.

Ok, in hindsight i agree with your point of view - we really dont want a
duplicate layer but a single handler/arbitrer of hw-breakpoint state.

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