Date: Mon, 2 Nov 2009 16:05:04 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: "K.Prasad" <prasad@linux.vnet.ibm.com>,
       LKML <linux-kernel@vger.kernel.org>,
       Steven Rostedt <rostedt@goodmis.org>,
       Alan Stern <stern@rowland.harvard.edu>,
       Andrew Morton <akpm@linux-foundation.org>,
       Paul Mackerras <paulus@samba.org>
Subject: Re: [RFC Patch 0/4] Enhance perf-events to profile memory accesses
	using hw-breakpoints - ver II
Message-ID: <20091102150503.GE23776@elte.hu>
References: <20091028155827.GA8604@in.ibm.com> <20091029081917.GC26970@elte.hu> <c62985530910310919u6ee28ad8qcaa3046b86ecaaee@mail.gmail.com>
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* Frederic Weisbecker <fweisbec@gmail.com> 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.

	Ingo
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