From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1753454AbdKNIOE (ORCPT <rfc822;w@1wt.eu>);
        Tue, 14 Nov 2017 03:14:04 -0500
Received: from mga02.intel.com ([134.134.136.20]:62821 "EHLO mga02.intel.com"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1752516AbdKNINn (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
        Tue, 14 Nov 2017 03:13:43 -0500
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.44,393,1505804400"; 
   d="scan'208";a="2025964"
Date: Tue, 14 Nov 2017 16:13:36 +0800
From: Fengguang Wu <fengguang.wu@intel.com>
To: Andi Kleen <ak@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
        Jeff Kirsher <jeffrey.t.kirsher@intel.com>,
        Network Development <netdev@vger.kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        intel-wired-lan@lists.osuosl.org, Michal Marek <mmarek@suse.cz>,
        Sam Ravnborg <sam@ravnborg.org>, Dirk Gouders <dirk@gouders.net>,
        linux-kbuild@vger.kernel.org, "Zhang, Rui" <rui.zhang@intel.com>,
        "Lu, Aaron" <aaron.lu@intel.com>, "H.J. Lu" <hjl.tools@gmail.com>
Subject: Re: CONFIG_DEBUG_INFO_SPLIT impacts on faddr2line
Message-ID: <20171114081336.e32bqhcu3eu4yl23@wfg-t540p.sh.intel.com>
References: <20171107102156.3fgxt6y6v5y2kqnf@wfg-t540p.sh.intel.com>
 <CA+55aFwqxZiN_XrZqvbtCsc8W=w895RaB1sjuVP1aTj8JStxzg@mail.gmail.com>
 <20171108094832.qxvkawpw2snpcbvh@wfg-t540p.sh.intel.com>
 <CA+55aFwK7935r325nmR-eQvanVCN3A+v3wEQHsW4NpSeBsybeA@mail.gmail.com>
 <20171108171230.ccf7lwutjysk26fc@wfg-t540p.sh.intel.com>
 <CA+55aFx0O+NTbBjavPm_jPucqHdXFYPmUya4kw=ps7LSqTFd5w@mail.gmail.com>
 <20171113011338.3qmnp64pttyscuus@wfg-t540p.sh.intel.com>
 <20171113185227.GM8522@tassilo.jf.intel.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Disposition: inline
In-Reply-To: <20171113185227.GM8522@tassilo.jf.intel.com>
User-Agent: NeoMutt/20170609 (1.8.3)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Hi Andi,

On Mon, Nov 13, 2017 at 10:52:27AM -0800, Andi Kleen wrote:
>> > It's the "CONFIG_DEBUG_INFO_SPLIT" thing that makes faddr2line unable
>> > to see the inlining information,
>> >
>> > Using OPTIMIZE_INLINING is fine.
>>
>> Good to know that!
>
>It works for me. Perhaps your binutils is too old? It was
>added at some point. Can you try upgrading?
>
>% ./linux/scripts/faddr2line obj/vmlinux schedule+10
>schedule+10/0x80:
>schedule at arch/x86/include/asm/current.h:15
>
>% addr2line --version
>GNU addr2line version 2.27-24.fc26

I use debian and tried addr2line in 2 systems:

GNU addr2line (GNU Binutils for Debian) 2.28
GNU addr2line (GNU Binutils for Debian) 2.29.1

Regards,
Fengguang