Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753533Ab3JXGKH (ORCPT ); Thu, 24 Oct 2013 02:10:07 -0400 Received: from mailout2.zih.tu-dresden.de ([141.30.67.73]:46748 "EHLO mailout2.zih.tu-dresden.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751553Ab3JXGKF (ORCPT ); Thu, 24 Oct 2013 02:10:05 -0400 Message-ID: <5268B9B6.40809@tu-dresden.de> Date: Thu, 24 Oct 2013 08:09:58 +0200 From: Joseph Schuchart User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.0 MIME-Version: 1.0 To: Arnaldo Carvalho de Melo CC: Peter Zijlstra , Paul Mackerras , Ingo Molnar , thomas.ilsche@tu-dresden.de, linux-kernel@vger.kernel.org, Tom Zanussi Subject: Re: Perf Python Scripting Leaks Memory References: <5267DF35.5010706@tu-dresden.de> <20131023200149.GA6539@ghostprotocols.net> In-Reply-To: <20131023200149.GA6539@ghostprotocols.net> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-TUD-Virus-Scanned: mailout2.zih.tu-dresden.de Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1158 Lines: 29 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 Thanks! Joseph -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/