[14.04] KVM Windows 2008 R2 Guest, Fica lento inexplicavelmente

[Osvaldo Filho]

[14.04] KVM Windows 2008 R2 Guest, Fica lento inexplicavelmente

Ubuntu 14.04 Server
qemu-kvm  2.0.0+dfsg-2ubuntu1. amd64
libvirt-bin  1.2.2-0ubuntu13.1
Linux 3.13.0-30-generic #55-Ubuntu SMP

sysctl.conf

kernel.sched_min_granularity_ns=10000000
kernel.sched_wakeup_granularity_ns=15000000
vm.dirty_ratio=10
vm.dirty_background_ratio=5
vm.swappiness=10
kern.timecounter.hardware=ACPI-fast

win2k8r2.xml
...
  <features>
    <acpi/>
    <apic/>
    <pae/>
    <hyperv>
      <relaxed state='on'/>
      <vapic state='on'/>
      <spinlocks state='on' retries='4096'/>
    </hyperv>
  </features>
  <cpu mode='custom' match='exact'>
    <model fallback='allow'>core2duo</model>
    <vendor>Intel</vendor>
  </cpu>
  <clock offset='localtime'>
    <timer name='hypervclock' present='yes'/>
    <timer name='hpet' present='no'/>
  </clock>
...
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