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  1. OpenShift Bugs
  2. OCPBUGS-44787

[4.18] support the LLC alignment cpumanager policy option

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: Critical Critical
    • None
    • 4.18
    • Node / Kubelet
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      Description of problem:

          Pull support from upstream kubernetes (see KEP 4800: https://github.com/kubernetes/enhancements/issues/4800) for LLC alignment support in cpumanager

      Version-Release number of selected component (if applicable):

          4.19

      How reproducible:

          100%

      Steps to Reproduce:

          1. try to schedule a pod which requires exclusive CPU allocation and whose CPUs should be affine to the same LLC block
    2. observe random and likely wrong (not LLC-aligned) allocation
    3.

      Actual results:

      Expected results:

      Additional info:

              fromani@redhat.com Francesco Romani
              fromani@redhat.com Francesco Romani
              Mallapadi Niranjan Mallapadi Niranjan
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                Created:
                Updated: