From: Akinobu Mita <akinobu.mita@gmail.com>
To: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Dmitry Monakhov <dmonakhov@openvz.org>,
linux-mm@kvack.org, cl@linux-foundation.org, rientjes@google.com
Subject: Re: [PATCH] failslab: add ability to filter slab caches [v3]
Date: Fri, 26 Feb 2010 18:03:13 +0900 [thread overview]
Message-ID: <961aa3351002260103x53f116f1sb4d3bf8f4435b635@mail.gmail.com> (raw)
In-Reply-To: <84144f021002260056g68e25ecer1dd826ecc5d42a56@mail.gmail.com>
2010/2/26 Pekka Enberg <penberg@cs.helsinki.fi>:
> On Fri, Feb 26, 2010 at 8:36 AM, Dmitry Monakhov <dmonakhov@openvz.org> wrote:
>> This patch allow to inject faults only for specific slabs.
>> In order to preserve default behavior cache filter is off by
>> default (all caches are faulty).
>>
>> One may define specific set of slabs like this:
>> # mark skbuff_head_cache as faulty
>> echo 1 > /sys/kernel/slab/skbuff_head_cache/failslab
>> # Turn on cache filter (off by default)
>> echo 1 > /sys/kernel/debug/failslab/cache-filter
>> # Turn on fault injection
>> echo 1 > /sys/kernel/debug/failslab/times
>> echo 1 > /sys/kernel/debug/failslab/probability
>>
>> Acked-by: David Rientjes <rientjes@google.com>
>> Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
>
> Lets CC the failslab author as well for ACKs.
Acked-by: Akinobu Mita <akinobu.mita@gmail.com>
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next prev parent reply other threads:[~2010-02-26 9:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-26 6:36 [PATCH] failslab: add ability to filter slab caches [v3] Dmitry Monakhov
2010-02-26 8:56 ` Pekka Enberg
2010-02-26 9:03 ` Akinobu Mita [this message]
2010-02-26 15:02 ` Christoph Lameter
2010-02-26 17:24 ` Pekka Enberg
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