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Date:   Tue, 14 Nov 2017 16:13:36 +0800
From:   Fengguang Wu <fengguang.wu@...el.com>
To:     Andi Kleen <ak@...ux.intel.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        Network Development <netdev@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        intel-wired-lan@...ts.osuosl.org, Michal Marek <mmarek@...e.cz>,
        Sam Ravnborg <sam@...nborg.org>,
        Dirk Gouders <dirk@...ders.net>, linux-kbuild@...r.kernel.org,
        "Zhang, Rui" <rui.zhang@...el.com>,
        "Lu, Aaron" <aaron.lu@...el.com>, "H.J. Lu" <hjl.tools@...il.com>
Subject: Re: CONFIG_DEBUG_INFO_SPLIT impacts on faddr2line

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

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