node: cpumanager: add options to reject non SMT-aligned workload

[ffromani]

Enhancement Description

• One-line enhancement description (can be used as a release note):
  Add options to cpumanager policies to allow finer grained thread allocation
• Kubernetes Enhancement Proposal: https://github.com/kubernetes/enhancements/blob/master/keps/sig-node/2625-cpumanager-policies-thread-placement/README.md
• Discussion Link:
  1. Mailing list thread: https://groups.google.com/g/kubernetes-sig-node/c/FMzdUf9UiP0/m/kFIWDzpCAwAJ
  2. sig-node presentations: April 20 2021
  3. demo: https://asciinema.org/a/412556
• Primary contact (assignee): @ffromani
• Responsible SIGs: sig-node
• Enhancement target (which target equals to which milestone):
  • Alpha release target (1.22):
  • Beta release target (1.23):
  • Stable release target (1.33):
• Alpha
  • KEP (k/enhancements) update PR(s): node: cpumanager: add options to reject non SMT-aligned workload #2626
  • Code (k/k) update PR(s): node: cpumanager: add options to reject non SMT-aligned workload kubernetes#101432
  • Docs (k/website) update PR(s): cpumanager: document cpu manager policy options website#27891
• Beta (handled by @swatisehgal)
  • KEP (k/enhancements) update PR(s): KEP-2625: Update CPU Manager Policy Options 1.23 Beta #2933
  • Code (k/k) update PR(s): node: graduate CPUManagerPolicyOptions to beta kubernetes#105012
  • Docs (k/website) update PR(s): node: cpumanager: policy options to beta: document the options graduation process website#29709
• Stable
  • KEP (k/enhancements) update PR(s): KEP-2625: Promote the CPUManager Policy Option full-pcpus-only to GA #5108
  • Code (k/k) update PR(s):
    • node: metrics for alignment failures kubernetes#129950
    • node: kep-2625: cpu manager policy options GA kubernetes#130535
  • Docs (k/website) update PR(s):
    • KEP-2625: cpumanager full-pcpus-only becomes GA website#49897

[ffromani]

/sig node

[ehashman]

/stage alpha
/milestone v1.22

[gracenng]

Hi @fromanirh 👋 1.22 Enhancement shadow here.

This enhancement is in good shape, some minor change requests in light of Enhancement Freeze on Thursday May 13th:

• In kep.yaml file, prr-approvers is empty
• Please elaborate and/or link the implementation PR in your Test Plan

Thank you 😊