Re: [Xen-devel] [PATCH 1/3] Output Virtual Block Device requests

xen-devel

Re: [Xen-devel] [PATCH 1/3] Output Virtual Block Device requests informa

from [NAHieu]

To:	"Satoshi Uchida" <s-uchida@xxxxxxxxxxxxx>
Subject:	Re: [Xen-devel] [PATCH 1/3] Output Virtual Block Device requests information to /proc/xen/vbd
From:	NAHieu <nahieu@xxxxxxxxx>
Date:	Wed, 21 Jun 2006 19:05:09 +0900
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On 6/21/06, Satoshi Uchida <s-uchida@xxxxxxxxxxxxx> wrote:


This patch add /xen/proc/vbd.
This proc file stores counts of I/O requests for VBD.
I/O requests is counted for each Domains.

For example, in case of four VMs, outputs of reading /xen/proc/vbd are as 
follows.

root@dom0 ~]# more /proc/xen/vbd
Domain 4 - oo        0  rd    18699  wr        2
 xvd 4  8:21 - oo        0  rd    18699  wr        2
Domain 7 - oo        0  rd      869  wr      376
 xvd 7  8:22 - oo        0  rd      869  wr      376
Domain 8 - oo        0  rd      721  wr      197
 xvd 8  8:23 - oo        0  rd      721  wr      197
Domain 9 - oo        0  rd      640  wr       77
 xvd 9  8:24 - oo        0  rd      640  wr       77

The outputs show the following information.

The first line shows domain information.
     Detail: Domain [Domain ID] - oo [oo-reqs] rd  [rd-reqs] wr [wr-reqs].


Cool! But what is the "oo" and "oo-reqs" in the above line?

Thanks.
H

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Re: [Xen-devel] [PATCH 1/3] Output Virtual Block Device requests informa