list at fajar
May 1, 2012, 9:32 PM
Post #2 of 2
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Re: How to increase Xen guest CPU utilization?
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On Wed, May 2, 2012 at 9:24 AM, Xi Shen <davidshen84 [at] gmail> wrote:
> Hi,
>
> I am trying to build a Gentoo system in my Xen guest. I build the basic of
> my guest using the chroot method, the old fashion way. Then I boot my guest
> in PV, using the same pvops kernel as my dom0 use. After the guest is boot,
> I tried to emerge other packages. But I am observing very slow building
> process, and very low CPU utilization.
>
> I think there's something wrong with my xen guest configuration that it
> cannot make good use of my CPU.
Try running "iostat -mx 3" on your domU. My guess is that you're
disk-I/O-starved.
If that's true, and you're using file-based disk backend. try using
block device.
--
Fajar
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