[CentOS-virt] Windows Xen VM's have high guest CPU usage and poor performance

Ryan Pugatch

rpug at linux.com
Thu Jan 21 14:43:25 UTC 2010

> So I take it you're not using PV-on-HVM drivers in Windows.. 
> ie. windows is using the emulated NIC and IDE disk?
> That will be slow.
> You need to use PV drivers. See GPLPV drivers:
> http://wiki.xensource.com/xenwiki/XenWindowsGplPv/
> http://www.meadowcourt.org/downloads/
> is the latest binary release.
> -- Pasi

Thanks, will try that.


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