From: Jens Axboe <axboe@kernel.dk>
To: Dan Ehrenberg <dehrenberg@google.com>
Cc: fio@vger.kernel.org, egouriou@google.com, nauman@google.com,
tirea@google.com
Subject: Re: [PATCH] New offset_increment option
Date: Thu, 15 Mar 2012 14:42:10 +0100 [thread overview]
Message-ID: <4F61F1B2.6040809@kernel.dk> (raw)
In-Reply-To: <1331767163-26042-1-git-send-email-dehrenberg@google.com>
On 03/15/2012 12:19 AM, Dan Ehrenberg wrote:
> This patch adds a new option to fio job files. It is described
> in the HOWTO as follows:
>
> offset_increment=int If this is provided, then the real offset becomes
> the offset + offset_increment * thread_number, where the
> thread number is a counter that starts at 0 and is incremented
> for each job. This option is useful if there are several jobs
> which are intended to operate on a file in parallel in disjoint
> segments, with even spacing between the starting points.
This looks good. "Fixing" the math situation would be a bit more
involved, though cool if we had support for doing arbitrary math.
I have applied this, thanks Daniel!
--
Jens Axboe
next prev parent reply other threads:[~2012-03-15 13:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-14 23:19 [PATCH] New offset_increment option Dan Ehrenberg
2012-03-15 13:42 ` Jens Axboe [this message]
2012-03-15 13:48 ` Jens Axboe
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