Check out these threads they may help you solve your issue with Windows VMs: http://forum.proxmox.com/threads/5770-Windows-guest-high-context-switch-rate-when-idle http://serverfault.com/questions/146922/why-is-idle-windows-vm-using-so-much-cpu Zoltan On 4/7/2013 5:18 PM, Banyan He wrote: > Maybe you can print out what it is doing, then try to figure out if they > are doing good. My linux works good, never tried windows. > > ------------ > Banyan He > Blog: http://www.rootong.com > Email: banyan at rootong.com > > On 4/7/2013 10:21 PM, Micky wrote: >> Windows 2k8 R2 guest with updated virtio drivers is idle inside but on >> the host qemu-kvm process uses 7-15% cpu. >> >> Things that have been tried without any significant success >> - removed tablet device >> - manually set cpu topology for cores per socket >> >> Is it just me or the qemu-kvm has little tolerance with windows? >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> http://lists.centos.org/mailman/listinfo/centos >> > _______________________________________________ > CentOS-virt mailing list > CentOS-virt at centos.org > http://lists.centos.org/mailman/listinfo/centos-virt >