linux-kernel - Re: [PATCH] perf timechart: Work around commit 42e59d7d19dc4b4

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Message-ID: <20091012071255.GB8202@elte.hu>
Date:	Mon, 12 Oct 2009 09:12:55 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Arjan van de Ven <arjan@...radead.org>,
	Mike Galbraith <efault@....de>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf timechart: Work around commit 42e59d7d19dc4b4


* Arjan van de Ven <arjan@...radead.org> wrote:

> >From 07c039ee370f49a0c5fc690ba473d42d27ccb022 Mon Sep 17 00:00:00 2001
> From: Arjan van de Ven <arjan@...ux.intel.com>
> Date: Wed, 7 Oct 2009 12:27:07 -0700
> Subject: [PATCH] perf timechart: Work around commit 42e59d7d19dc4b4
> 
> Commit 42e59d7d19dc4b4 introduced a sample frequency framework..
> .. however it unfortunately changed how perf events get recorded,
> and caused timechart to miss events to the point that timechart
> became useless.
> 
> This patch causes the timechart code to use -F 0 to not use the
> new framework when recording timechart data.
> 
> Signed-off-by: Arjan van de Ven <arjan@...ux.intel.com>
> ---
>  tools/perf/builtin-timechart.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)

Could you please check latest -tip, does it work fine now?

Mike's commit:

  7e4ff9e: perf tools: Fix counter sample frequency breakage

should fix the breakage 42e59d7d19dc4b4 introduced in perf timechart.

	Ingo
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