From: Rafael Aquini <aquini@redhat.com>
To: Pekka Enberg <penberg@kernel.org>
Cc: linux-mm@kvack.org, Randy Dunlap <rdunlap@xenotime.net>,
Christoph Lameter <cl@linux-foundation.org>,
Matt Mackall <mpm@selenic.com>, Rik van Riel <riel@redhat.com>,
Josef Bacik <josef@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] oom: add sysctl to enable slab memory dump
Date: Wed, 22 Feb 2012 14:04:30 -0200 [thread overview]
Message-ID: <20120222160429.GA1986@x61.redhat.com> (raw)
In-Reply-To: <CAOJsxLGz4=2tFQdnnFmGLeFVVPq8pX5=0var7V-9+ddi=TPNVA@mail.gmail.com>
On Wed, Feb 22, 2012 at 03:17:23PM +0200, Pekka Enberg wrote:
> On Wed, Feb 22, 2012 at 1:53 PM, Rafael Aquini <aquini@redhat.com> wrote:
> > This, alongside with all other data dumped in OOM events, is very helpful
> > information in diagnosing why there was an OOM condition specially when
> > kernel code is under investigation.
> >
> > Signed-off-by: Rafael Aquini <aquini@redhat.com>
>
> Makes sense. Do you have an example how an out-of-memory slab cache
> dump looks like?
>
Yes I do have a couple of dumps taken from some dabbler testing I was
performing. Would it be interesting to introduce a sample at the commit message, or
among the Documentation paragraphs?
> Minor style nit: just define the zeroed variables in this block.
>
I will adjust those.
Thanks for your feedback!
--
Rafael Aquini <aquini@redhat.com>
Software Maintenance Engineer
Red Hat, Inc.
+55 51 4063.9436 / 8426138 (ext)
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WARNING: multiple messages have this Message-ID (diff)
From: Rafael Aquini <aquini@redhat.com>
To: Pekka Enberg <penberg@kernel.org>
Cc: linux-mm@kvack.org, Randy Dunlap <rdunlap@xenotime.net>,
Christoph Lameter <cl@linux-foundation.org>,
Matt Mackall <mpm@selenic.com>, Rik van Riel <riel@redhat.com>,
Josef Bacik <josef@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] oom: add sysctl to enable slab memory dump
Date: Wed, 22 Feb 2012 14:04:30 -0200 [thread overview]
Message-ID: <20120222160429.GA1986@x61.redhat.com> (raw)
In-Reply-To: <CAOJsxLGz4=2tFQdnnFmGLeFVVPq8pX5=0var7V-9+ddi=TPNVA@mail.gmail.com>
On Wed, Feb 22, 2012 at 03:17:23PM +0200, Pekka Enberg wrote:
> On Wed, Feb 22, 2012 at 1:53 PM, Rafael Aquini <aquini@redhat.com> wrote:
> > This, alongside with all other data dumped in OOM events, is very helpful
> > information in diagnosing why there was an OOM condition specially when
> > kernel code is under investigation.
> >
> > Signed-off-by: Rafael Aquini <aquini@redhat.com>
>
> Makes sense. Do you have an example how an out-of-memory slab cache
> dump looks like?
>
Yes I do have a couple of dumps taken from some dabbler testing I was
performing. Would it be interesting to introduce a sample at the commit message, or
among the Documentation paragraphs?
> Minor style nit: just define the zeroed variables in this block.
>
I will adjust those.
Thanks for your feedback!
--
Rafael Aquini <aquini@redhat.com>
Software Maintenance Engineer
Red Hat, Inc.
+55 51 4063.9436 / 8426138 (ext)
next prev parent reply other threads:[~2012-02-22 16:06 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-22 11:53 [PATCH] oom: add sysctl to enable slab memory dump Rafael Aquini
2012-02-22 11:53 ` Rafael Aquini
2012-02-22 13:17 ` Pekka Enberg
2012-02-22 13:17 ` Pekka Enberg
2012-02-22 16:04 ` Rafael Aquini [this message]
2012-02-22 16:04 ` Rafael Aquini
2012-02-22 13:55 ` Christoph Lameter
2012-02-22 13:55 ` Christoph Lameter
2012-02-22 16:14 ` Rafael Aquini
2012-02-22 16:14 ` Rafael Aquini
2012-02-22 16:29 ` Christoph Lameter
2012-02-22 16:29 ` Christoph Lameter
2012-02-23 0:44 ` David Rientjes
2012-02-23 0:44 ` David Rientjes
2012-02-23 15:02 ` Josef Bacik
2012-02-23 15:02 ` Josef Bacik
2012-02-23 23:09 ` David Rientjes
2012-02-23 23:09 ` David Rientjes
2012-02-24 15:10 ` Josef Bacik
2012-02-24 15:10 ` Josef Bacik
2012-02-24 21:45 ` David Rientjes
2012-02-24 21:45 ` David Rientjes
2012-02-24 21:52 ` Pekka Enberg
2012-02-24 21:52 ` Pekka Enberg
2012-02-24 23:51 ` David Rientjes
2012-02-24 23:51 ` David Rientjes
2012-02-23 15:22 ` Rafael Aquini
2012-02-23 15:22 ` Rafael Aquini
2012-02-23 16:03 ` Pekka Enberg
2012-02-23 16:03 ` Pekka Enberg
2012-02-23 23:17 ` David Rientjes
2012-02-23 23:17 ` David Rientjes
2012-02-24 6:57 ` Pekka Enberg
2012-02-24 6:57 ` Pekka Enberg
2012-02-24 10:03 ` David Rientjes
2012-02-24 10:03 ` David Rientjes
2012-02-24 10:05 ` Pekka Enberg
2012-02-24 10:05 ` Pekka Enberg
2012-02-24 10:38 ` Rafael Aquini
2012-02-24 10:38 ` Rafael Aquini
2012-02-29 3:39 ` Rafael Aquini
2012-02-29 3:39 ` Rafael Aquini
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