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]
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