Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757925AbaLJPVZ (ORCPT ); Wed, 10 Dec 2014 10:21:25 -0500 Received: from mail-ob0-f171.google.com ([209.85.214.171]:42291 "EHLO mail-ob0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757303AbaLJPVY (ORCPT ); Wed, 10 Dec 2014 10:21:24 -0500 MIME-Version: 1.0 In-Reply-To: <5487D799.5060404@gmail.com> References: <5487D799.5060404@gmail.com> Date: Wed, 10 Dec 2014 10:21:23 -0500 Message-ID: Subject: Re: [BUG] perf mem: perf mem report fails in TUI mode From: Stephane Eranian To: David Ahern Cc: LKML , Jiri Olsa , Arnaldo Carvalho de Melo , Peter Zijlstra , "mingo@elte.hu" , Namhyung Kim , "ak@linux.intel.com" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 10, 2014 at 12:18 AM, David Ahern wrote: > On 12/9/14 9:15 PM, Stephane Eranian wrote: >> >> Hi, >> >> I was running a couple of tests with perf mem from tip.git and >> found that perf mem -t load rep was failing only in TUI mode. >> With --stdio, it works fine. I did a bit of investigation and found >> out that the TUI mode is failing because some symbol (kernel) >> is showing up with a huge (negative) size. I don't understand >> the connection between the TUI vs. tty browser and symbols. >> >> To reproduce: >> $ perf mem -t load rec my_test_program >> $ perf mem -t load rep >> $ perf mem -t load rep --stdio >> >> Debugging with TUI is a pain, so I stopped. >> >> I have a patch to improve perf mem a bit but I'd like to get this problem >> fixed first. >> >> Maybe you have a idea of what's going on. > > > I usually avoid the TUI by not installing slang-devel. > > But, trying out Linus' current tip (a0e4467726c - post 3.18) this seems to > work fine: > perf mem -t load rec ls > perf mem -t load rep > What about tip.git? > But kernel version for the box is 3.16.6-203.fc20.x86_64. > > David -- 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/