linux-kernel - Re: [PATCH 1/4] perf: fix counter of ftrace events

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Message-ID: <20111014191116.GA23666@dev1756.snc6.facebook.com>
Date:	Fri, 14 Oct 2011 12:11:16 -0700
From:	Arun Sharma <asharma@...com>
To:	Andrew Vagin <avagin@...nvz.org>
Cc:	linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Subject: Re: [PATCH 1/4] perf: fix counter of ftrace events

On Mon, Sep 26, 2011 at 07:55:32PM +0400, Andrew Vagin wrote:
> Each event adds some points to its counters. By default it adds 1,
> and a number of points may be transmited in event's parameters.
> 
> E.g. sched:sched_stat_runtime adds how long process has been running.
> 
> But this functionality was broken by v2.6.31-rc5-392-gf413cdb
> and now the event's parameters doesn't affect on a number of points.
> 
> TP_perf_assign isn't defined, so __perf_count(c) isn't executed and
> __count is always equal to 1.
> 
> Signed-off-by: Andrew Vagin <avagin@...nvz.org>

Acked-by: Arun Sharma <asharma@...com>

 -Arun
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