linux-kernel - Re: [PATCH 0/2] dm-ioband: I/O bandwidth controller v1.8.0: Introduction

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Message-ID: <48FEE065.20406@windriver.com>
Date:	Wed, 22 Oct 2008 16:12:21 +0800
From:	Chen Zumeng <zumeng.chen@...driver.com>
To:	Ryo Tsuruta <ryov@...inux.co.jp>, haotian.zhang@...driver.com
CC:	bruce.ashfield@...driver.com, linux-kernel@...r.kernel.org,
	dm-devel@...hat.com, containers@...ts.linux-foundation.org,
	virtualization@...ts.linux-foundation.org,
	xen-devel@...ts.xensource.com, fernando@....ntt.co.jp
Subject: Re: [PATCH 0/2] dm-ioband: I/O bandwidth controller v1.8.0: Introduction

Ryo Tsuruta wrote:
> Hi Chen,
> 
>> Chen Zumeng wrote:
>>> Hi, Ryo Tsuruta
>>> And our test team want to test bio_tracking as your benchmark reports,
>>> so would you please send me your test codes? Thanks in advance.
>> Hi Ryo Tsuruta,
>>
>> I wonder if you received last email, so I reply this email to ask
>> for your bio_tracking test codes to generate your benchmark reports
>> as shown in your website. Thanks in advance :)
Thanks for you quick reply :)

Regards,
Zumeng
> 
> I've uploaded two scripts here:
> http://people.valinux.co.jp/~ryov/dm-ioband/scripts/xdd-count.sh
> http://people.valinux.co.jp/~ryov/dm-ioband/scripts/xdd-size.sh
> 
> xdd-count.sh controls bandwidth based on the number of I/O requests,
> and xdd-size.sh controls bandwidth based onthe number of I/O sectors.
> Theses scritpts require xdd disk I/O testing tool which can be
> downloaded from here:
> http://www.ioperformance.com/products.htm
> 
> Please feel free to ask me questions if you have any questions.
OK thanks.
> 
>>> P.S. The following are my changes to avoid schedule_timeout:
> 
> Thanks, but your patch seems to cause a problem when ioband devices
> which have the same name are created at the same time. I will fix the
> issue in the next release.
Maybe, hoping your next release :)

Zumeng
> 
> Thanks,
> Ryo Tsuruta
> 

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