From: Jens Axboe <axboe@kernel.dk>
To: Surendar Chandra <surendar@datrium.com>, fio@vger.kernel.org
Subject: Re: buffer_pattern usage question
Date: Fri, 22 Aug 2014 10:24:27 -0500 [thread overview]
Message-ID: <53F760AB.9060908@kernel.dk> (raw)
In-Reply-To: <3DB5F5EE-7D4F-487B-B757-BAD37D041DEB@datrium.com>
On 2014-08-21 20:01, Surendar Chandra wrote:
> Could you please help me with this setup
>
> filename=fio-data
> size=4k
> rw=write
> buffer_pattern="HELLO"
>
> The output still continues to be pseudo random. I even tried buffer_pattern=0xDEADBEEF and other params.
It's not going to take a string, it needs to be a decimal of hexidecimal
number. I added some code to error out if it fails parsing this now.
buffer_pattern=0xDEADBEEF should work, and does for me:
axboe@lenny:/home/axboe/git/fio $ hexdump fio-data
0000000 beef dead beef dead beef dead beef dead
*
0001000
--
Jens Axboe
next prev parent reply other threads:[~2014-08-22 15:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-22 1:01 buffer_pattern usage question Surendar Chandra
2014-08-22 15:24 ` Jens Axboe [this message]
2014-08-22 17:59 ` Ruvinsky, Konstantin
2014-08-22 18:41 ` Sitsofe Wheeler
2014-08-22 18:58 ` Ruvinsky, Konstantin
2014-08-22 19:04 ` Jens Axboe
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