VirtualBox Users Observe that VirtualBox Processes are Consuming Large Percentage of Host CPU, While Guest VM Reports Significantly Less
(Doc ID 1577067.1)
Last updated on FEBRUARY 13, 2019
Oracle VM VirtualBox - Version 4.2 to 5.1 [Release 4.0 to 5.0]
Information in this document applies to any platform.
A user running VirtualBox on Mac OS X may observe that VirtualBox processes are consuming a large percentage of host CPU, while the guest Windows OS consumes significantly less.
In this particular example, the user reported extended resource consumption of up to 70% of the host CPU, while the Windows Task Manager in the guest virtual machine (VM) reports only 2%.
The user has either recently created this Guest VM, or modified an existing VM to include a larger number of Virtual CPUs (VCPUs)
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