From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758164Ab0EGUEy (ORCPT ); Fri, 7 May 2010 16:04:54 -0400 Received: from va3ehsobe005.messaging.microsoft.com ([216.32.180.15]:10414 "EHLO VA3EHSOBE005.bigfish.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756943Ab0EGUEw (ORCPT ); Fri, 7 May 2010 16:04:52 -0400 X-SpamScore: -16 X-BigFish: VPS-16(z1857rz1432P98dN936eM4015L62a3Lzz1202hzz6ff19hz32i2a8h43h62h) X-Spam-TCS-SCL: 1:0 X-WSS-ID: 0L22FRP-02-4QK-02 X-M-MSG: Date: Fri, 7 May 2010 22:04:39 +0200 From: Robert Richter To: Masami Hiramatsu CC: Arnaldo Carvalho de Melo , "mingo@redhat.com" , "hpa@zytor.com" , "paulus@samba.org" , "linux-kernel@vger.kernel.org" , "fweisbec@gmail.com" , "peterz@infradead.org" , "efault@gmx.de" , "tglx@linutronix.de" , "mingo@elte.hu" , "linux-tip-commits@vger.kernel.org" Subject: Re: [tip:perf/core] perf probe: Support DW_OP_call_frame_cfa in debuginfo Message-ID: <20100507200439.GZ6450@erda.amd.com> References: <20100412171728.3790.98217.stgit@localhost6.localdomain6> <20100507163321.GB15333@erda.amd.com> <4BE44AF4.3090303@redhat.com> <20100507183143.GB30926@ghostprotocols.net> <4BE46613.9090509@redhat.com> <4BE46E6D.6000502@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <4BE46E6D.6000502@redhat.com> User-Agent: Mutt/1.5.20 (2009-06-14) X-Reverse-DNS: unknown Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07.05.10 15:47:57, Masami Hiramatsu wrote: > > Agreed. I'll check that what version can support current perf probe. > > OK, I've found that the CFI support has been added at last June, > and elfutils-0.142 is released in last July. Yes, that's the problem, I am using elfutils-0.131-r2. > So, I think we can check whether CFI is supported or not by checking > the version of elfutils, which can be done by _ELFUTILS_PREREQ() macro > defined in elfutils/version.h Looking forward to your fix. Thanks, -Robert -- Advanced Micro Devices, Inc. Operating System Research Center email: robert.richter@amd.com