Expose cgroup v2 memory.events counters in CRI stats API

[sohankunkerkar]

Enhancement Description

• One-line enhancement description (can be used as a release note): Expose cgroup v2 memory.events counters via a new MemoryEvents message in CRI MemoryUsage stats for container memory debugging and Memory QoS observability
• Kubernetes Enhancement Proposal:
• Discussion Link: Discussed in KEP-2570 (Memory QoS) review — Peter Hunt and Sascha Grunert requested this be split into a separate KEP (see KEP-2570: Add CRI MemoryEvents for cgroup v2 memory.events observability kubernetes#137760)
• PRs by stage and milestone:
  • Alpha -
    • KEP (k/enhancements) update PR(s):
    • Code (k/k) update PR(s):
    • Docs (k/website) update PR(s):

Please keep this description up to date. This will help the Enhancement Team to track the evolution of the enhancement efficiently.

[sohankunkerkar]

/sig node

[sohankunkerkar]

/assign

[sohankunkerkar]

cc @QiWang19