From mboxrd@z Thu Jan 1 00:00:00 1970 From: Manuel Selva Subject: Re: Perf mem report Data Object Date: Mon, 03 Feb 2014 19:32:37 +0100 Message-ID: <52EFE0C5.1030805@gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-we0-f170.google.com ([74.125.82.170]:46727 "EHLO mail-we0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751999AbaBCSck (ORCPT ); Mon, 3 Feb 2014 13:32:40 -0500 Received: by mail-we0-f170.google.com with SMTP id w62so2832868wes.1 for ; Mon, 03 Feb 2014 10:32:39 -0800 (PST) Received: from [192.168.0.10] (mut38-6-88-167-68-98.fbx.proxad.net. [88.167.68.98]) by mx.google.com with ESMTPSA id q15sm45982471wjw.18.2014.02.03.10.32.38 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 03 Feb 2014 10:32:38 -0800 (PST) In-Reply-To: Sender: linux-perf-users-owner@vger.kernel.org List-ID: To: linux-perf-users@vger.kernel.org Hi, Anyone else is having the same error (warning) message ? Manu On 01/29/2014 02:53 PM, Manuel Selva wrote: > Hi all, > > The perf mem report tools shows me a warning before printing results: > > Failed to open /tmp/perf-8741.map, continuing without symbols > > Then it seems that all the memory accesses which source address (Data > Symbol field in perf mem rep output) is located in the heap of the > profiled process is reported as "perf-8741.map" in the Data Object > field. > > I am not sure to understand what this file is, what it should contain, > and why it's not created when my process is profiled ? > > Moreover, I am wondering what perf mem could report for heap data > object in addition to the fact that the object is in the heap ? > > Thanks, > > ------- > Manu >