Hypervisor-driven hibernation
First Claim
Patent Images
1. A method comprising:
- executing, by a processing device, a hypervisor;
identifying a first virtual machine that is executing and a second virtual machine that is executing, the first virtual machine comprising a plurality of virtual processors;
determining, by the hypervisor, that the first virtual machine is to be hibernated while the second virtual machine remains awake, wherein the determining is performed without involvement of a guest operating system hosted by the first virtual machine;
stopping by the hypervisor, in view of the determining, a first virtual processor of the plurality of virtual processors of the first virtual machine;
persisting, by the hypervisor, a state of the stopped first virtual processor; and
in response to a hardware fault that occurs after the stopping of the first virtual processor and the persisting of the state of the stopped first virtual processor, re-starting, by the hypervisor, the stopped first virtual processor, the re-starting comprising loading the state of the stopped first virtual processor.
1 Assignment
0 Petitions
Accused Products
Abstract
A system and method for hibernating virtual machines (VMs) are disclosed. In accordance with one embodiment, a computer system that executes a hypervisor and a virtual machine (VM) determines that the virtual machine is to be put to sleep, wherein the determining is performed without involvement of a guest operating system hosted by the virtual machine. In response, the hypervisor stops a first virtual processor of the VM and persists the state of the first virtual processor.
-
Citations
10 Claims
-
1. A method comprising:
-
executing, by a processing device, a hypervisor; identifying a first virtual machine that is executing and a second virtual machine that is executing, the first virtual machine comprising a plurality of virtual processors; determining, by the hypervisor, that the first virtual machine is to be hibernated while the second virtual machine remains awake, wherein the determining is performed without involvement of a guest operating system hosted by the first virtual machine; stopping by the hypervisor, in view of the determining, a first virtual processor of the plurality of virtual processors of the first virtual machine; persisting, by the hypervisor, a state of the stopped first virtual processor; and in response to a hardware fault that occurs after the stopping of the first virtual processor and the persisting of the state of the stopped first virtual processor, re-starting, by the hypervisor, the stopped first virtual processor, the re-starting comprising loading the state of the stopped first virtual processor. - View Dependent Claims (2, 3, 4)
-
-
5. An apparatus comprising:
-
a memory to store a first virtual machine and a second virtual machine; and a processing device, operatively coupled to the memory, to execute the first virtual machine, the second virtual machine, and a hypervisor, wherein the processing device is to execute the hypervisor to; identify the first virtual machine and the second virtual machine, the first virtual machine comprising a plurality of virtual processors; determine that the first virtual machine is to be hibernated while the second virtual machine remains awake, wherein the determining is performed without involvement of a guest operating system hosted by the first virtual machine; stop, in view of the determining, a first virtual processor of the plurality of virtual processors of the first virtual machine; persist a state of the stopped first virtual processor; and in response to a clock event that occurs after the stopping of the first virtual processor and the persisting of the state of the stopped first virtual processor, re-start the stopped first virtual processor, the re-starting comprising loading the state of the stopped first virtual processor. - View Dependent Claims (6)
-
-
7. A non-transitory computer readable storage medium, having instructions stored therein, which when executed, cause a processing device to:
-
execute, by the processing device, a hypervisor; identify a first virtual machine that is executing and a second virtual machine that is executing, the first virtual machine comprising a plurality of virtual processors; stop, via the hypervisor, a first virtual processor of the plurality of virtual processors of the first virtual machine while the second virtual machine remains awake, wherein the first virtual machine hosts a guest operating system that has no power management capability; persist, via the hypervisor, a state of the stopped first virtual processor; and in response to a hardware fault that occurs after the stopping of the first virtual processor and the persisting of the state of the stopped first virtual processor, re-start, via the hypervisor, the stopped first virtual processor, the re-starting comprising loading the state of the stopped first virtual processor. - View Dependent Claims (8, 9, 10)
-
Specification