linux-kernel - Re: [RFD] Kprobes/Kretprobes perf support

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Message-ID: <20090812213545.GC5974@nowhere>
Date:	Wed, 12 Aug 2009 23:35:46 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Masami Hiramatsu <mhiramat@...hat.com>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	Jiaying Zhang <jiayingz@...gle.com>,
	Martin Bligh <mbligh@...gle.com>,
	Li Zefan <lizf@...fujitsu.com>, Jason Baron <jbaron@...hat.com>
Subject: Re: [RFD] Kprobes/Kretprobes perf support

On Wed, Aug 12, 2009 at 11:09:57PM +0200, Peter Zijlstra wrote:
> On Wed, 2009-08-12 at 21:13 +0200, Frederic Weisbecker wrote:
> 
> > Ingo, Peter do you have an idea on how we could do that?
> 
> Wouldn't it be easiest to use ftrace to create dynamic tracepoints in
> the ftrace way such that they become available in
> debugfs://tracing/events/kprobes/*/ and then have them interfaced the
> same way as all other tracepoints?
> 


Oh..yeah, that would be definetly simpler.

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