CPU state management in libvirt

Registered by Sylvain Bauza

CPU state management (turning core state on/off made by the libvirt driver and possibly other static state changes like governor or speed)

Blueprint information

Status:
Complete
Approver:
sean mooney
Priority:
Undefined
Drafter:
sean mooney
Direction:
Approved
Assignee:
Sylvain Bauza
Definition:
Approved
Series goal:
Accepted for antelope
Implementation:
Implemented
Milestone target:
None
Started by
Sylvain Bauza
Completed by
Sylvain Bauza

Related branches

Sprints

Whiteboard

Spec proposed : https://review.opendev.org/c/openstack/nova-specs/+/861591

[20221128 bauzas] Spec got approved https://review.opendev.org/c/openstack/nova-specs/+/861591

Gerrit topic: https://review.opendev.org/#/q/topic:libvirt-cpu-state-mgmt

Addressed by: https://review.opendev.org/c/openstack/nova/+/821228
    libvirt: let CPUs be power managed

Addressed by: https://review.opendev.org/c/openstack/nova/+/868236
    cpu: interfaces for managing state and governor

Addressed by: https://review.opendev.org/c/openstack/nova/+/868237
    WIP: enable cpus when an instance is spawning

Gerrit topic: https://review.opendev.org/#/q/topic:libvirt-cpu-state-mgmt-2

Addressed by: https://review.opendev.org/c/openstack/nova/+/868238
    Add a fake sys filesystem for the next patch

Gerrit topic: https://review.opendev.org/#/q/topic:bp/libvirt-cpu-state-mgmt

[20230220 bauzas] Series got implemented

Addressed by: https://review.opendev.org/c/openstack/nova/+/874514
    Add docs for cpu management

Addressed by: https://review.opendev.org/c/openstack/nova/+/874515
    fup for power management series

(?)

Work Items

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