EFFICIENT POWER MANAGEMENT OF A SYSTEM WITH VIRTUAL MACHINES

摘要

Efficient power management of a system with virtual machines is disclosed. In particular, such efficient power management may enable coordination of system-wide power changes with virtual machines. Additionally, such efficient power management may enable coherent power changes in a system with a virtual machine monitor. Furthermore, such efficient power management may enable dynamic control and communication of power state changes.

主权项

1. A system comprising:
a processor; one or more memories in communication with the processor when the system is operational, the one or more memories having stored thereon instructions that upon execution by the processor at least cause the system to:
receive from a root operating system by software executing in a first virtual machine a notification of an impending system power change; andin response to the notification, take at least one action by the software executing in the first virtual machine to prepare for the impending system power change.