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scheduler_perf: add logs to report the failure of measuring Schedulin… #132619

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@saza-ku saza-ku commented Jun 30, 2025

What type of PR is this?

/kind feature
/sig-scheduling

What this PR does / why we need it:

scheduler_perf sometimes fails to record SchedulingThroughput. The cause is that the scenario doesn't have enough pods and nodes to take more than throughputSampleInterval (i.e. 1 sec) and throughputCollector collects no record.

In the current implementation it reports nothing when this issue occurs, so users of scheduler_perf wouldn't know why SchedulingThroughput is not recorded. This PR avoids such a situation by logging that the scenario lacks the number of pods and nodes.

Which issue(s) this PR is related to:

#132188

Special notes for your reviewer:

Does this PR introduce a user-facing change?

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

@k8s-ci-robot k8s-ci-robot added size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. kind/feature Categorizes issue or PR as related to a new feature. do-not-merge/release-note-label-needed Indicates that a PR should not merge because it's missing one of the release note labels. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. do-not-merge/needs-sig Indicates an issue or PR lacks a `sig/foo` label and requires one. needs-triage Indicates an issue or PR lacks a `triage/foo` label and requires one. labels Jun 30, 2025
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This issue is currently awaiting triage.

If a SIG or subproject determines this is a relevant issue, they will accept it by applying the triage/accepted label and provide further guidance.

The triage/accepted label can be added by org members by writing /triage accepted in a comment.

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@k8s-ci-robot k8s-ci-robot added needs-ok-to-test Indicates a PR that requires an org member to verify it is safe to test. needs-priority Indicates a PR lacks a `priority/foo` label and requires one. labels Jun 30, 2025
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Hi @saza-ku. Thanks for your PR.

I'm waiting for a kubernetes member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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@k8s-ci-robot k8s-ci-robot added area/test sig/scheduling Categorizes an issue or PR as relevant to SIG Scheduling. sig/testing Categorizes an issue or PR as relevant to SIG Testing. labels Jun 30, 2025
@k8s-ci-robot k8s-ci-robot requested review from denkensk and macsko June 30, 2025 09:04
@k8s-ci-robot k8s-ci-robot removed the do-not-merge/needs-sig Indicates an issue or PR lacks a `sig/foo` label and requires one. label Jun 30, 2025
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[APPROVALNOTIFIER] This PR is NOT APPROVED

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

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pacoxu commented Jun 30, 2025

/cc @sanposhiho

@k8s-ci-robot k8s-ci-robot requested a review from sanposhiho June 30, 2025 09:13
utam0k
utam0k reviewed Jun 30, 2025
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/release-note-none

@k8s-ci-robot k8s-ci-robot added release-note-none Denotes a PR that doesn't merit a release note. and removed do-not-merge/release-note-label-needed Indicates that a PR should not merge because it's missing one of the release note labels. labels Jul 1, 2025
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/ok-to-test

@k8s-ci-robot k8s-ci-robot added ok-to-test Indicates a non-member PR verified by an org member that is safe to test. and removed needs-ok-to-test Indicates a PR that requires an org member to verify it is safe to test. labels Jul 1, 2025
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95b1151 
Co-authored-by: Toru Komatsu <[email protected]>
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k8s-ci-robot commented Jul 1, 2025 •
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@saza-ku: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name Commit Details Required Rerun command
pull-kubernetes-verify 95b1151 link true /test pull-kubernetes-verify

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository. I understand the commands that are listed here.

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@utam0k utam0k utam0k left review comments

@denkensk denkensk Awaiting requested review from denkensk

@macsko macsko Awaiting requested review from macsko

@sanposhiho sanposhiho Awaiting requested review from sanposhiho

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