linux-kernel - Re: CONFIG_DEBUG_INFO_SPLIT impacts on faddr2line

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Date:   Mon, 13 Nov 2017 10:52:27 -0800
From:   Andi Kleen <ak@...ux.intel.com>
To:     Fengguang Wu <fengguang.wu@...el.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,
        lkp@...el.com, "Zhang, Rui" <rui.zhang@...el.com>,
        "Lu, Aaron" <aaron.lu@...el.com>
Subject: Re: CONFIG_DEBUG_INFO_SPLIT impacts on faddr2line

> > 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

-Andi