linux-kernel - Re: [PATCH 04/13] ftrace: perf

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Message-ID: <alpine.DEB.2.00.0907231741060.2498@gandalf.stny.rr.com>
Date:	Thu, 23 Jul 2009 17:41:39 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
cc:	linux-kernel@...r.kernel.org, mingo@...e.hu,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jason Baron <jbaron@...hat.com>,
	Paul Mackerras <paulus@...ba.org>
Subject: Re: [PATCH 04/13] ftrace: perf_counter intergration


On Thu, 23 Jul 2009, Peter Zijlstra wrote:

> Adds possible second part to the assign argument of TP_EVENT().
> 
>   TP_perf_assign(
> 	__perf_count(foo);
> 	__perf_addr(bar);
>   )
> 
> Which, when specified make the swcounter increment with @foo instead
> of the usual 1, and report @bar for PERF_SAMPLE_ADDR (data address
> associated with the event) when this triggers a counter overflow.

Looks good,

Acked-by: Steven Rostedt <rostedt@...dmis.org>

-- Steve
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