linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: Tejun Heo <tj@kernel.org>
To: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Konstantin Khlebnikov <khlebnikov@yandex-team.ru>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-mm@kvack.org, Cgroups <cgroups@vger.kernel.org>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	Jens Axboe <axboe@kernel.dk>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Michal Hocko <mhocko@kernel.org>
Subject: Re: [PATCH] mm/backing-dev: show state of all bdi_writeback in debugfs
Date: Tue, 23 Jul 2019 15:36:21 -0700	[thread overview]
Message-ID: <20190723223621.GF696309@devbig004.ftw2.facebook.com> (raw)
In-Reply-To: <CALYGNiMw_9MKxfCxq9QsXi3PbwQMwKmLufQqUnhYdt8C+sR2rA@mail.gmail.com>

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


      reply	other threads:[~2019-07-23 22:36 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-23 12:49 Konstantin Khlebnikov
2019-07-23 20:07 ` Andrew Morton
2019-07-23 21:24   ` Konstantin Khlebnikov
2019-07-23 22:36     ` Tejun Heo [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190723223621.GF696309@devbig004.ftw2.facebook.com \
    --to=tj@kernel.org \
    --cc=akpm@linux-foundation.org \
    --cc=axboe@kernel.dk \
    --cc=cgroups@vger.kernel.org \
    --cc=hannes@cmpxchg.org \
    --cc=khlebnikov@yandex-team.ru \
    --cc=koct9i@gmail.com \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=mhocko@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox