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[Xen-users] Xentop CPU usage


  • To: xen-users@xxxxxxxxxxxxx
  • From: Wouter de Geus <benv-xensource.com@xxxxxxxxxxxxx>
  • Date: Wed, 30 Apr 2014 11:41:21 +0200
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Hej folks,

While checking out why our windows 2008 domU is 'slow' according to my boss, I 
stumbled upon something interesting:
- The windows 2008 server (using GPLPV drivers 0.11.0.372) claims to have 
nearly no cpu usage, in multiple places like the taskmanager, process explorer 
etc I see only 5-10% cpu usage at max.
- In xentop I see the win2008 domU constantly using 150-200% cpu?!

Can someone explain this huge difference?

The windows domU has 8 vcpus assigned to it along with 16GB RAM, along with an 
LVM backed disk. Nothing special afaik.  Any hints?

Regards,

Wouter.

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