linux-kernel - Re: "perf top -g" leaking ~300MB per second.

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Message-ID: <20141213090331.GB13453@x4>
Date:	Sat, 13 Dec 2014 10:03:31 +0100
From:	Markus Trippelsdorf <markus@...ppelsdorf.de>
To:	linux-kernel@...r.kernel.org
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: Re: "perf top -g" leaking ~300MB per second.

On 2014.12.13 at 09:48 +0100, Markus Trippelsdorf wrote:
> Running "perf top -g" built from current Linus tree apparently leaks
> ~300MB of memory every second an my machine.

Hmm, this is a much older problem. I just noticed this the first time
today. 
To reproduce: Compile some application in the background (make -j4 in my
case) and run "perf top -g". Perf will continue to accumulate memory
until the system starts to swap and the OOM killer eventually kicks in.

-- 
Markus
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