Thermal throttling to regulate virtual processing device usage
Systems, methods, and apparatuses for regulating virtual processing device usage by emulating thermal throttling are provided herein. An example method comprises limiting a processing capacity allocated for a virtual processing device to a value equal to or below a threshold by transmitting, via a hypervisor, an indication to a guest that the virtual processing device has exceeded an operating temperature, wherein the value is below a current processing capacity of a host processing device.
1 . A method, comprising:
determining, by a hypervisor, a capacity threshold for a virtual processing device that prevents an unused capacity threshold of a host processing device from being exceeded;
determining, by the hypervisor accessing a lookup table, a temperature value for limiting a processing capacity allocated for the virtual processing device to a value equal to or below the capacity threshold; and
limiting the processing capacity allocated for the virtual processing device to the value equal to or below the capacity threshold by transmitting, via the hypervisor, the temperature value to a guest, wherein the value is below a current processing capacity of the host processing device.
2 . The method of claim 1 , wherein the temperature value is based at least partially upon the capacity threshold.
3 . The method of claim 1 , wherein the determining, by the hypervisor, the capacity threshold for the virtual processing device is responsive to the host processing device having an unused processing capacity that is above the unused capacity threshold.
4 . The method of claim 1 , wherein a plurality of virtual processing devices configured to execute a plurality of guests share the host processing device, and wherein the limiting is performed for at least one virtual processing device of the plurality of virtual processing devices.
5 . The method of claim 4 , wherein each virtual processing device of the plurality of virtual processing devices is assigned a capacity threshold independently of other virtual processing devices.
6 . The method of claim 1 , wherein the capacity threshold is based at least partially upon a priority value of the virtual processing device.
7 . The method of claim 1 , wherein the capacity threshold is based at least partially upon a past activity of the virtual processing device.
8 . The method of claim 1 , further comprising:
monitoring usage of the host processing device;
adjusting the capacity threshold based upon the monitoring; and
repeating the limiting responsive to a change in the capacity threshold.
9 . A system, comprising:
a memory; and
a processing device, operatively coupled to the memory, to:
determine, by a hypervisor, a capacity threshold for a virtual processing device that prevents an unused capacity threshold of a host processing device from being exceeded;
determine, by the hypervisor accessing a lookup table, a temperature value for limiting a processing capacity allocated for the virtual processing device to a value equal to or below the capacity threshold; and
limit the processing capacity allocated for the virtual processing device to the value equal to or below the capacity threshold by transmitting, via the hypervisor, the temperature value to a guest, wherein the value is below a current processing capacity of the host processing device.
10 . The system of claim 9 , wherein the temperature value is based at least partially upon the capacity threshold.
11 . The system of claim 9 , wherein the determining, by the hypervisor, the capacity threshold for the virtual processing device is responsive to the host processing device having an unused processing capacity that is above the unused capacity threshold.
12 . The system of claim 9 , wherein a plurality of virtual processing devices belonging to a plurality of guests share the host processing device, and wherein the limiting is performed for at least one virtual processing device of the plurality of virtual processing devices.
13 . The system of claim 12 , wherein each virtual processing device of the plurality of virtual processing devices is assigned a capacity threshold independently of other virtual processing devices.
14 . A non-transitory computer-readable medium containing instructions which, when executed by a processing device, cause the processing device to:
determining, by a hypervisor, a capacity threshold for a virtual processing device that prevents an unused capacity threshold of a host processing device from being exceeded;
determining, by the hypervisor accessing a lookup table, a temperature value for limiting a processing capacity allocated for the virtual processing device to a value equal to or below the capacity threshold; and
limit the processing capacity allocated for the virtual processing device to the value equal to or below the capacity threshold by transmitting, via a hypervisor, the temperature value to a guest, wherein the value is below a current processing capacity of the host processing device.
15 . The non-transitory computer-readable medium of claim 14 , wherein the determining, by the hypervisor, the capacity threshold for the virtual processing device is responsive to the host processing device having an unused processing capacity that is above the unused capacity threshold.