The CPU metrics are:
- cpu/limit: CPU hard limit in millicores
- cpu/node_capacity: CPU capacity of a node
- cpu/node_allocatable: CPU allocatable of a node
- cpu/node_reservation: Share of CPU that is reserved on the node allocatable
- cpu/node_utilization: CPU utilization as a share of node allocatable
- cpu/request: CPU request (the guaranteed amount of resources) in millicores
- cpu/usage: Cumulative CPU usage on all cores
- cpu/usage_rate: CPU usage on all cores in millicores