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List:       ext3-users
Subject:    Re: data block timestamp ?
From:       Eric Sandeen <sandeen () redhat ! com>
Date:       2010-03-08 17:31:03
Message-ID: 4B953457.1050904 () redhat ! com
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MirJafar Ali wrote:
> Hello
> 
> I am interested in knowing the sequence of datablocks request/serviced
> by ext2 filesystem to analyse
> the disk IO pattern.
> 
> Can someone suggest if there are some software that can do this ?

Depending on what you want, blktrace may be helpful, if you want to know
when IO happens and to which blocks.

-Eric

> Thanks
> 
> Mir

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