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
Date: Mon, 2 Nov 2009 16:05:04 +0100 [thread overview]
Message-ID: <20091102150503.GE23776@elte.hu> (raw)
In-Reply-To: <c62985530910310919u6ee28ad8qcaa3046b86ecaaee@mail.gmail.com>
* 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
prev parent reply other threads:[~2009-11-02 15:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-28 15:58 [RFC Patch 0/4] Enhance perf-events to profile memory accesses using hw-breakpoints - ver II K.Prasad
2009-10-29 8:19 ` Ingo Molnar
2009-10-29 22:24 ` K.Prasad
2009-10-31 16:19 ` Frederic Weisbecker
2009-11-02 15:05 ` Ingo Molnar [this message]
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