Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932412Ab1ELSGh (ORCPT ); Thu, 12 May 2011 14:06:37 -0400 Received: from shards.monkeyblade.net ([198.137.202.13]:57245 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932156Ab1ELSGg (ORCPT ); Thu, 12 May 2011 14:06:36 -0400 Date: Thu, 12 May 2011 14:06:30 -0400 (EDT) Message-Id: <20110512.140630.1779004012724490077.davem@davemloft.net> To: eranian@google.com Cc: acme@redhat.com, linux-kernel@vger.kernel.org Subject: Re: [BUG] perf: bogus correlation of kernel symbols From: David Miller In-Reply-To: References: X-Mailer: Mew version 6.3 on Emacs 23.2 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.6 (shards.monkeyblade.net [198.137.202.13]); Thu, 12 May 2011 11:06:32 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 729 Lines: 20 From: Stephane Eranian Date: Thu, 12 May 2011 16:48:46 +0200 > I think there is a serious problem with kernel symbol correlation > with the latest perf in 2.6.39-rc7-tip. The behavior seems to be intentional, so that we don't expose internal kernel addresses to userspace. I hate this too, and I think it's absolutely rediculous. Also, like you, I lost an entire afternoon trying to figure out why this started happening. I wish we could revert this change. -- 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/