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Re: [Xen-devel] [PATCH 1/3] Output Virtual Block Device requests information to /proc/xen/vbd
- To: "Satoshi Uchida" <s-uchida@xxxxxxxxxxxxx>
- From: NAHieu <nahieu@xxxxxxxxx>
- Date: Wed, 21 Jun 2006 19:05:09 +0900
- Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 21 Jun 2006 03:05:28 -0700
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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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