linux-kernel - Re: Perf Python Scripting Leaks Memory

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Message-ID: <1382558695.3000.29.camel@empanada>
Date:	Wed, 23 Oct 2013 15:04:55 -0500
From:	Tom Zanussi <tom.zanussi@...ux.intel.com>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	Joseph Schuchart <joseph.schuchart@...dresden.de>,
	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
Subject: Re: Perf Python Scripting Leaks Memory

On Wed, 2013-10-23 at 17:01 -0300, 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?
> 

Sure.

Reviewed-by: <tom.zanussi@...ux.intel.com>

Tom

> Joseph, can I have your Signed-off-by: tag, as documented in:
> 
> Documentation/SubmittingPatches
> 
> In the "12) Sign your work" section?
> 
> Thanks!
> 
> - Arnaldo


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