linux-kernel - Re: [PATCH v4 09/22] perf: Support overwrite mode for AUX area

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Date:	Tue, 9 Sep 2014 10:33:03 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc:	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
	Robert Richter <rric@...nel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Mike Galbraith <efault@....de>,
	Paul Mackerras <paulus@...ba.org>,
	Stephane Eranian <eranian@...gle.com>,
	Andi Kleen <ak@...ux.intel.com>, kan.liang@...el.com
Subject: Re: [PATCH v4 09/22] perf: Support overwrite mode for AUX area

On Wed, Aug 20, 2014 at 03:36:06PM +0300, Alexander Shishkin wrote:
> This adds support for overwrite mode in the AUX area, which means "keep
> collecting data till you're stopped". It does not depend on data buffer's
> overwrite mode, so that it doesn't lose sideband data that is instrumental
> for processing AUX data.

This patch is out of order as well, it would've made sense right after
the other aux buffer patch. Also, its not specified (and I can't find it
in the patch) how it _is_ set. The Changelog above only says how it is
not.


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