linux-kernel - Re: [PATCH] mm/backing-dev: show state of all bdi

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Date:   Tue, 23 Jul 2019 15:36:21 -0700
From:   Tejun Heo <tj@...nel.org>
To:     Konstantin Khlebnikov <koct9i@...il.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Konstantin Khlebnikov <khlebnikov@...dex-team.ru>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-mm@...ck.org, Cgroups <cgroups@...r.kernel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Jens Axboe <axboe@...nel.dk>,
        Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...nel.org>
Subject: Re: [PATCH] mm/backing-dev: show state of all bdi_writeback in
 debugfs

On Wed, Jul 24, 2019 at 12:24:41AM +0300, Konstantin Khlebnikov wrote:
> Debugging such dynamic structure with gdb is a pain.

Use drgn.  It's a lot better than hard coding these debug features
into the kernel.

  https://github.com/osandov/drgn

Thanks.

-- 
tejun