linux-kernel - Re: Perf Python Scripting Leaks Memory

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Message-ID: <5268B9B6.40809@tu-dresden.de>
Date:	Thu, 24 Oct 2013 08:09:58 +0200
From:	Joseph Schuchart <joseph.schuchart@...dresden.de>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
CC:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>, thomas.ilsche@...dresden.de,
	linux-kernel@...r.kernel.org,
	Tom Zanussi <tom.zanussi@...ux.intel.com>
Subject: Re: Perf Python Scripting Leaks Memory

On 23.10.2013 22:01, Arnaldo Carvalho de Melo wrote:
> Em Wed, Oct 23, 2013 at 04:37:41PM +0200, Joseph Schuchart escreveu:
>>    We are using the Python scripting interface in perf to extract kernel
>>    events relevant for performance analysis of HPC codes. We noticed that the
>>    "perf script" call allocates a significant amount of memory (in the order
>>    of several 100 MiB) during it's run, e.g. 125 MiB for a 25 MiB input file:
> 
> Thanks for the analysis and the bug fix!
> 
> I asked Tom Zanussi and he kindly reviewed your patch and provided an
> Acked-by tag for it, Tom, may I add a Reviewed-by: as well?
> 
> Joseph, can I have your Signed-off-by: tag, as documented in:
> 
> Documentation/SubmittingPatches
> 

Thanks for your quick reply and sorry for not following the
recommendations in the documentation.

Signed-off-by: Joseph Schuchart <joseph.schuchart@...dresden.de>

Thanks!
Joseph
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