linux-kernel - Re: CONFIG_DEBUG_INFO_SPLIT impacts on faddr2line

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Message-ID: <CAMe9rOoeV-Y3gYAEpPXOQuRxxNq2GP-Zwm0Q+sohRduRyXUv7g@mail.gmail.com>
Date:   Mon, 13 Nov 2017 12:14:11 -0800
From:   "H.J. Lu" <hjl.tools@...il.com>
To:     Andi Kleen <ak@...ux.intel.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Fengguang Wu <fengguang.wu@...el.com>,
        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 mailing list <linux-kbuild@...r.kernel.org>,
        kbuild test robot <lkp@...el.com>,
        "Zhang, Rui" <rui.zhang@...el.com>,
        "Lu, Aaron" <aaron.lu@...el.com>
Subject: Re: CONFIG_DEBUG_INFO_SPLIT impacts on faddr2line

On Mon, Nov 13, 2017 at 12:10 PM, Andi Kleen <ak@...ux.intel.com> wrote:
>> Put another way: the CONFIG_DEBUG_INFO_SPLIT option is useless. Yes,
>> it saves time and disk space, but does so at the expense of making all
>> the debug information unavailable to basic tools.
>
> You're right. It works for line information, but strangely not for
> inlines. I assume it can be fixed.
>

Is there a binutils bug report for this?


-- 
H.J.