Ticket #1160 (closed defect: fixed)

Opened 10 years ago

Last modified 8 years ago

High host CPU usage when running Secunia PSI on Windows guest

Reported by: oudalrich Owned by:
Priority: minor Component: VMM
Version: VirtualBox 1.5.4 Keywords: Windows guest, CPU usage
Cc: Guest type: other
Host type: other


I use VirtualBox 1.54 on a Ubuntu 7.10 host. When  Secunia Personal Software Inspector (PSI) runs on the guest, I get a constant CPU usage of around 75% to 100% on (one core of) the host, but only 2% on the guest. As soon as I end PSI, host CPU usage is down to about 10%. When I run PSI again, the host CPU is back at 75% - 100%.

Change History

comment:1 Changed 10 years ago by oudalrich

Maybe I should add that I have disabled the tickless timer on my system (nohz=off). Also, it seems that this bug is related to  that one.

comment:2 Changed 8 years ago by frank

  • Status changed from new to closed
  • Resolution set to fixed
  • Component changed from other to VMM

Please reopen if still relevant with VBox 3.2.8.

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