linux-kernel - Re: [PATCH 4/5] perf record: mmap output file

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Message-ID: <20131119120813.GL3866@twins.programming.kicks-ass.net>
Date:	Tue, 19 Nov 2013 13:08:13 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	David Ahern <dsahern@...il.com>
Cc:	Namhyung Kim <namhyung@...nel.org>, Ingo Molnar <mingo@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	linux-kernel@...r.kernel.org, jolsa@...hat.com,
	Frederic Weisbecker <fweisbec@...il.com>,
	Mike Galbraith <efault@....de>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 4/5] perf record: mmap output file - v5

On Mon, Nov 18, 2013 at 05:34:49PM -0700, David Ahern wrote:
> I think Peter is asking about:
>     perf record -e faults -c 1 --call-graph dwarf,8192 -a -- sleep 1
> 
> And as expected it is a massive feedback spiraling out of control.

I was and good to know, thanks for testing.
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