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[Xen-devel] Xen diskI/O request handling!


  • To: <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Ata E Husain" <ata.husain@xxxxxxxxxxx>
  • Date: Mon, 2 Nov 2009 19:16:40 -0500
  • Delivery-date: Mon, 02 Nov 2009 16:16:43 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcnxJ7vUTVHXIojrRaWK8oEj5dL64gDBGlwwGft2JAA=

Dear All, 

I am interested in developing better understanding in terms of handling of
disk request in dom0 from all domUs running in the system using blktap
architecture. The intension of developing this information is compute a
profile of disk access request (read + write) from all domUs at any instant
of time. 

If someone is conversant with this information, it would be a great help if
you can share which part of the xen tree should I be looking to get precise
information. I am done using 'iostat' to get the similar information but it
would be more useful if I can compute the information without need of
invoking any other executable etc. 

Thanks!
Ata


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