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[release-4.18] WIP: NOMERGE: DNM: consume u/s LLC alignment support #2130

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[release-4.18] WIP: NOMERGE: DNM: consume u/s LLC alignment support #2130

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@ffromani ffromani commented Nov 8, 2024

WIP DNM

sphrasavath and others added 3 commits November 8, 2024 15:20
@sphrasavath @ffromani
Add takeByTopologyUnCoreCachePacked if policy option align-cpus-by-u…
4e55207 
…ncorecache is enabled.

 Adding new function to evaluate uncore cache id. Reverse allocation logic.
 Implement preferAlignByUncorecache within TakeByTopologyNUMAPacked, along with new test cases.

(cherry picked from commit 3f459f2)
@wongchar @ffromani
update comments
5f905fa 
(cherry picked from commit b86eb19)
@ffromani
UPSTREAM: <carry>: require configuration file enablement
348a155 
similarly to what we do for the managed CPU (aka workload partitioning)
feature, introduce a master configuration file
`/etc/kubernetes/openshift-llc-alignment` which needs to be present for
the LLC alignment feature to be activated, in addition to the policy
option being required.

Signed-off-by: Francesco Romani <[email protected]>
@openshift-ci-robot openshift-ci-robot added the backports/unvalidated-commits Indicates that not all commits come to merged upstream PRs. label Nov 8, 2024
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@ffromani: the contents of this pull request could not be automatically validated.

The following commits could not be validated and must be approved by a top-level approver:

Comment /validate-backports to re-evaluate validity of the upstream PRs, for example when they are merged upstream.

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openshift-ci bot commented Nov 8, 2024

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: ffromani
Once this PR has been reviewed and has the lgtm label, please assign sjenning for approval. For more information see the Kubernetes Code Review Process.

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openshift-ci bot commented Nov 8, 2024

@ffromani: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name Commit Details Required Rerun command
ci/prow/e2e-aws-ovn-fips 348a155 link true /test e2e-aws-ovn-fips
ci/prow/verify-commits 348a155 link true /test verify-commits

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@rphillips rphillips Awaiting requested review from rphillips

@sjenning sjenning Awaiting requested review from sjenning

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@ffromani @openshift-ci-robot @sphrasavath @wongchar