From: Jens Axboe <axboe@kernel.dk>
To: "Elliott, Robert (Persistent Memory)" <elliott@hpe.com>,
Jeff Furlong <jeff.furlong@hgst.com>,
Andrey Kuzmin <andrey.v.kuzmin@gmail.com>
Cc: "fio@vger.kernel.org" <fio@vger.kernel.org>
Subject: Re: Specify range and distribution of accesses
Date: Mon, 7 Mar 2016 14:45:43 -0700 [thread overview]
Message-ID: <56DDF687.2070405@kernel.dk> (raw)
In-Reply-To: <94D0CD8314A33A4D9D801C0FE68B40295C352DA9@G9W0745.americas.hpqcorp.net>
On 03/07/2016 02:19 PM, Elliott, Robert (Persistent Memory) wrote:
>
>
>> -----Original Message-----
>> From: fio-owner@vger.kernel.org [mailto:fio-owner@vger.kernel.org] On
>> Behalf Of Jeff Furlong
>> Sent: Monday, March 07, 2016 2:47 PM
>> To: Jens Axboe <axboe@kernel.dk>; Andrey Kuzmin
>> <andrey.v.kuzmin@gmail.com>
>> Cc: fio@vger.kernel.org
>> Subject: RE: Specify range and distribution of accesses
>>
>> Thanks for the suggestions and patches. Using the latest fio
>> version, the JESD219 workload is possible:
>>
>> # fio -version
>> fio-2.6-27-gd283
>>
>> # fio --name=JESD219 --ioengine=libaio --direct=1 --rw=randrw --
>> norandommap --randrepeat=0 --rwmixread=40 --rwmixwrite=60 --
>> iodepth=256 --size=100% --numjobs=4 --
>> bssplit=512/4:1024/1:1536/1:2048/1:2560/1:3072/1:3584/1:4k/67:8k/10:1
>> 6k/7:32k/3:64k/3 --random_distribution=zoned:50/5:30/15:20/80 --
>> overwrite=1 --filename=/dev/nvme0n1 --group_reporting --runtime=5m --
>> time_based --output=JESD219
>>
>
> That would fit well in the examples/ directory.
Agree, I have added it. I removed the 'overwrite=1' as that only applies
to files, not devices. And norandommap is redundant with a non uniform
random distribution, but it serves as documentation, so I left it.
size=100% was also removed, as that is the default.
--
Jens Axboe
next prev parent reply other threads:[~2016-03-07 21:45 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-26 20:53 Specify range and distribution of accesses Jeff Furlong
2016-02-27 9:14 ` Andrey Kuzmin
2016-03-03 16:18 ` Jens Axboe
2016-03-03 20:04 ` Jens Axboe
2016-03-07 20:46 ` Jeff Furlong
2016-03-07 21:02 ` Andrey Kuzmin
2016-03-07 21:08 ` Jens Axboe
2016-03-08 2:41 ` Jens Axboe
2016-03-07 21:08 ` Jens Axboe
2016-03-07 21:19 ` Elliott, Robert (Persistent Memory)
2016-03-07 21:45 ` Jens Axboe [this message]
2016-03-12 2:07 ` Vladislav Bolkhovitin
2016-03-03 16:16 ` Jens Axboe
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