linux-kernel - Re: [PATCH 05/10] perf-record: Share per-cpu buffers

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Date:	Fri, 21 May 2010 12:03:30 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 05/10] perf-record: Share per-cpu buffers

On Fri, 2010-05-21 at 11:44 +0200, Frederic Weisbecker wrote:

> If you do this multiplex per cpu (which I think is a very good thing), you
> should also increase the default value of mmap_pages as it might not be big
> enough anymore. 

Hmm, I didn't notice any problems with that.

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