From: Omar Sandoval <osandov@osandov.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
Alexey Dobriyan <adobriyan@gmail.com>,
Eric Biederman <ebiederm@xmission.com>,
James Morse <james.morse@arm.com>,
Bhupesh Sharma <bhsharma@redhat.com>,
kernel-team@fb.com
Subject: Re: [PATCH v2 7/7] proc/kcore: add vmcoreinfo note to /proc/kcore
Date: Tue, 17 Jul 2018 20:27:42 -0700 [thread overview]
Message-ID: <20180718032742.GC29351@vader> (raw)
In-Reply-To: <20180717194421.a5430cf03aad12a9e40e65f4@linux-foundation.org>
On Tue, Jul 17, 2018 at 07:44:21PM -0700, Andrew Morton wrote:
> On Thu, 12 Jul 2018 17:09:39 -0700 Omar Sandoval <osandov@osandov.com> wrote:
>
> > From: Omar Sandoval <osandov@fb.com>
> >
> > The vmcoreinfo information is useful for runtime debugging tools, not
> > just for crash dumps. A lot of this information can be determined by
> > other means, but this is much more convenient.
> >
>
> What effect does this have upon the overall size of the dump file?
About 2 kB on my machine, and no more than one page + the few bytes of
extra headers.
prev parent reply other threads:[~2018-07-18 4:03 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-13 0:09 [PATCH v2 0/7] /proc/kcore improvements Omar Sandoval
2018-07-13 0:09 ` [PATCH v2 1/7] proc/kcore: don't grab lock for kclist_add() Omar Sandoval
2018-07-18 2:35 ` Andrew Morton
2018-07-18 3:19 ` Omar Sandoval
2018-07-13 0:09 ` [PATCH v2 2/7] proc/kcore: replace kclist_lock rwlock with rwsem Omar Sandoval
2018-07-18 2:38 ` Andrew Morton
2018-07-18 3:24 ` Omar Sandoval
2018-07-18 3:27 ` Andrew Morton
2018-07-18 3:36 ` Omar Sandoval
2018-07-13 0:09 ` [PATCH v2 3/7] proc/kcore: fix memory hotplug vs multiple opens race Omar Sandoval
2018-07-13 0:09 ` [PATCH v2 4/7] proc/kcore: hold lock during read Omar Sandoval
2018-07-13 0:09 ` [PATCH v2 5/7] proc/kcore: clean up ELF header generation Omar Sandoval
2018-07-13 0:09 ` [PATCH v2 6/7] proc/kcore: optimize multiple page reads Omar Sandoval
2018-07-13 0:09 ` [PATCH v2 7/7] proc/kcore: add vmcoreinfo note to /proc/kcore Omar Sandoval
2018-07-18 2:44 ` Andrew Morton
2018-07-18 3:27 ` Omar Sandoval [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=20180718032742.GC29351@vader \
--to=osandov@osandov.com \
--cc=adobriyan@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=bhsharma@redhat.com \
--cc=ebiederm@xmission.com \
--cc=james.morse@arm.com \
--cc=kernel-team@fb.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.