System for managing power states of a virtual machine based on global power management policy and power management command sent by the virtual machine

摘要

Power management commands from virtual machines (VMs) in a VM environment may be trapped by a VM monitor. Depending on the current power states of the other VMs in the VM environment, the VMM may emulate increase or decrease in available resources as applied to the VM issuing the power management commands. The VMM may modify the actual hardware resources available in a platform when such modification may not affect the current power states of the VMs in the VM environment.