From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756711Ab2FZFEy (ORCPT ); Tue, 26 Jun 2012 01:04:54 -0400 Received: from nat.fw1.corp.phx1.mozilla.net ([63.245.216.64]:40610 "EHLO zmmta2.mail.corp.phx1.mozilla.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752066Ab2FZFEx (ORCPT ); Tue, 26 Jun 2012 01:04:53 -0400 Date: Mon, 25 Jun 2012 22:04:52 -0700 (PDT) From: Martin Rosenberg To: David Ahern Cc: linux-kernel@vger.kernel.org Message-ID: <1090364757.4589034.1340687092722.JavaMail.root@mozilla.com> In-Reply-To: <4FE93D51.7090709@gmail.com> Subject: Re: perf report does not get along with perf record -A MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [10.20.77.200] X-Mailer: Zimbra 7.2.0_GA_2669 (ZimbraWebClient - FF3.0 (Linux)/7.2.0_GA_2669) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Derp. I went through all of that effort to make sure I had recorded everything about my setup, and I forgot the versiou perf version 3.2.17 built unpatched from a 3.4.4 tarball ----- Original Message ----- From: "David Ahern" To: "Martin Rosenberg" Cc: linux-kernel@vger.kernel.org Sent: Monday, June 25, 2012 9:40:49 PM Subject: Re: perf report does not get along with perf record -A On 6/25/12 6:10 PM, Martin Rosenberg wrote: > I'm working under the assumption that if I want to collect statistics from multiple runs of a program, I can do this by running > perf record prog; perf record -A prog; perf record -A prog > > I've found that running perf record twice results in perf report hanging, and running it more than twice results in perf report first spewing a message about invalid formats, then crashing. > A log of the session, as well as the binary, its input and perf.data can be found at: What does 'perf --version' show? David