From: Jens Axboe <axboe@kernel.dk>
To: Karen Higgins <karen.higgins@sanmina.com>
Cc: fio@vger.kernel.org
Subject: Re: FIO Disk Stats - 0% Utilization
Date: Thu, 07 Aug 2014 13:27:37 -0600 [thread overview]
Message-ID: <53E3D329.2030807@kernel.dk> (raw)
In-Reply-To: <CAPY19uWMfc1V+C86FHYjr4RaD8cyPR8SNSijJC=cQ_Y+cpjFmA@mail.gmail.com>
On 08/07/2014 01:25 PM, Karen Higgins wrote:
>> Things like IO/part stats can be a bit costly as well, so just
>> turning that off in MQ mode may make you run closer to the BIO speed.
>>
> How do I turn off IO/part stats?
echo 0 > /sys/block/<dev>/queue/iostats
--
Jens Axboe
prev parent reply other threads:[~2014-08-07 19:27 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-07 17:08 FIO Disk Stats - 0% Utilization Karen Higgins
2014-08-07 18:33 ` Jens Axboe
2014-08-07 18:56 ` Jens Axboe
2014-08-07 19:31 ` Karen Higgins
2014-08-07 19:25 ` Karen Higgins
2014-08-07 19:27 ` Jens Axboe [this message]
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