From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751985AbaKJHk5 (ORCPT ); Mon, 10 Nov 2014 02:40:57 -0500 Received: from lgeamrelo04.lge.com ([156.147.1.127]:65243 "EHLO lgeamrelo04.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751454AbaKJHk4 (ORCPT ); Mon, 10 Nov 2014 02:40:56 -0500 X-Original-SENDERIP: 10.177.222.235 X-Original-MAILFROM: namhyung@gmail.com From: Namhyung Kim To: David Ahern Cc: Arnaldo Carvalho de Melo , Peter Zijlstra , Ingo Molnar , Paul Mackerras , Namhyung Kim , LKML , Jiri Olsa , Adrian Hunter Subject: Re: [PATCH 1/3] perf tools: Allow vmlinux to fallback to kallsyms on NO_LIBELF=1 References: <1415337606-2186-1-git-send-email-namhyung@kernel.org> <545CE36C.7040906@gmail.com> Date: Mon, 10 Nov 2014 16:40:53 +0900 In-Reply-To: <545CE36C.7040906@gmail.com> (David Ahern's message of "Fri, 07 Nov 2014 08:21:16 -0700") Message-ID: <87a93zv6yi.fsf@sejong.aot.lge.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi David, On Fri, 07 Nov 2014 08:21:16 -0700, David Ahern wrote: > On 11/6/14, 10:20 PM, Namhyung Kim wrote: >> It worked w/o libelf, but recent change to use vmlinux for kernel >> symbols break it. > > Do you know the recent change (commit id) that broke it? Nope. I tried to find it but failed - older versions seems also have the problem and some of them could not run perf record. Anyway it looks like depending some external condition and broken for a while. :( Thanks, Namhyung