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Re: [Xen-users] I/O issue in xen guest OS

  • To: Radu Rendec <radu.rendec@xxxxxxx>
  • From: chandrashekar <chanlinux@xxxxxxxxx>
  • Date: Mon, 6 Jul 2009 21:49:10 +0530
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Mon, 06 Jul 2009 09:19:53 -0700
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Thanks Radu,

As you told one CPU is reaching 100% utilization.


On Mon, Jul 6, 2009 at 9:19 PM, Radu Rendec <radu.rendec@xxxxxxx> wrote:
On Mon, 2009-07-06 at 21:07 +0530, chandrashekar wrote:
> Radu,
> Is this issue may be bcz of filesystem.............?

No. It's just the way top (and other similar tools) compute cpu usage.
In dom0 you have only 1 of 8 cpus working, while in domU you have only
one cpu.

In dom0 try expanding the cpu usage in the "top" utility by pressing
"1". You'll probably see 1 cpu in 100% and the others idle.



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