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Kubelet: add usageNanoCores from CRI stats provider #73659

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merged 1 commit into from
Feb 9, 2019
Merged

Kubelet: add usageNanoCores from CRI stats provider #73659

merged 1 commit into from
Feb 9, 2019

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feiskyer
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@feiskyer feiskyer commented Feb 2, 2019

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/kind api-change
/kind bug
/kind cleanup
/kind design
/kind documentation
/kind failing-test
/kind feature
/kind flake

What this PR does / why we need it:

Kubelet: add usageNanoCores from CRI stats provider.

Which issue(s) this PR fixes:

Fixes #72788

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

Kubelet: add usageNanoCores from CRI stats provider

/sig windows
/sig node
/assign @yujuhong @PatrickLang

@k8s-ci-robot k8s-ci-robot added the release-note Denotes a PR that will be considered when it comes time to generate release notes. label Feb 2, 2019
@k8s-ci-robot k8s-ci-robot added kind/bug Categorizes issue or PR as related to a bug. sig/windows Categorizes an issue or PR as relevant to SIG Windows. sig/node Categorizes an issue or PR as relevant to SIG Node. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. needs-priority Indicates a PR lacks a `priority/foo` label and requires one. labels Feb 2, 2019
@feiskyer feiskyer added priority/important-soon Must be staffed and worked on either currently, or very soon, ideally in time for the next release. and removed needs-priority Indicates a PR lacks a `priority/foo` label and requires one. labels Feb 2, 2019
@feiskyer feiskyer mentioned this pull request Feb 2, 2019
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feiskyer commented Feb 3, 2019

/retest

@michmike
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michmike commented Feb 4, 2019

@aserdean can you also please take a look?

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/milestone v1.14

@k8s-ci-robot k8s-ci-robot added this to the v1.14 milestone Feb 5, 2019
dashpole
dashpole reviewed Feb 5, 2019
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looks good overall!

pkg/kubelet/stats/cri_stats_provider.go Outdated Show resolved Hide resolved
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feiskyer commented Feb 7, 2019

@dashpole Addressed comments. PTAL

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dashpole commented Feb 7, 2019

/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Feb 7, 2019
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/approve

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/retest

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/assign @yujuhong
Can you approve?

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the change looks good to me as well.

/approve

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: derekwaynecarr, feiskyer, PatrickLang

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@k8s-ci-robot k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Feb 8, 2019
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/retest
This bot automatically retries jobs that failed/flaked on approved PRs (send feedback to fejta).

Review the full test history for this PR.

Silence the bot with an /lgtm cancel or /hold comment for consistent failures.

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@feiskyer: The following test failed, say /retest to rerun them all:

Test name Commit Details Rerun command
pull-kubernetes-local-e2e-containerized 01fbca2 link /test pull-kubernetes-local-e2e-containerized

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.

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@k8s-ci-robot k8s-ci-robot merged commit ee44e24 into kubernetes:master Feb 9, 2019
@feiskyer feiskyer deleted the usage-nano-cores branch February 9, 2019 04:56
tedyu
tedyu reviewed Feb 9, 2019
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pkg/kubelet/stats/cri_stats_provider.go
defer p.mutex.Unlock()

for k, v := range p.cpuUsageCache {
if v == nil {
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stats.Cpu is checked on line 546 above, when would the value be nil ?

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this is for preventing panics, e.g. in tests

tedyu
tedyu reviewed Feb 9, 2019
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pkg/kubelet/stats/cri_stats_provider.go
}

func (p *criStatsProvider) cleanupOutdatedCaches() {
p.mutex.Lock()
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Since there may not be any expired entries for successive calls to cleanupOutdatedCaches, I wonder if the func can return early if it is called within defaultCachePeriod of the previous call.

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yep, but that requires more work here, e.g. another property indicating the oldest Timestamp in the cache.

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How about adding a property recording the time of last cleanup (so that we don't call this so often) ?

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I was out last week. Thanks for fixing this!

@benmoss benmoss mentioned this pull request Feb 12, 2019
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@SleepyBrett SleepyBrett mentioned this pull request Apr 17, 2019
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@mattjmcnaughton mattjmcnaughton mentioned this pull request Apr 18, 2019
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k8s-ci-robot added a commit that referenced this pull request May 9, 2019
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Merge pull request #76770 from mattjmcnaughton/automated-cherry-pick-…
de38c05 
…of-#73659-#74933-upstream-release-1.13

Automated cherry pick of #73659: Kubelet: add usageNanoCores from CRI stats provider #74933: Fix computing of cpu nano core usage
@vllry vllry mentioned this pull request Jun 25, 2019
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@matthias50 matthias50 mentioned this pull request Jul 16, 2019
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@PatrickLang PatrickLang mentioned this pull request Aug 7, 2019
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@dashpole dashpole dashpole left review comments

@tedyu tedyu tedyu left review comments

@krmayankk krmayankk Awaiting requested review from krmayankk

@sjenning sjenning Awaiting requested review from sjenning

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@dashpole dashpole

@yujuhong yujuhong

@PatrickLang PatrickLang

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approved Indicates a PR has been approved by an approver from all required OWNERS files. area/kubelet cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. kind/bug Categorizes issue or PR as related to a bug. lgtm "Looks good to me", indicates that a PR is ready to be merged. priority/important-soon Must be staffed and worked on either currently, or very soon, ideally in time for the next release. release-note Denotes a PR that will be considered when it comes time to generate release notes. sig/node Categorizes an issue or PR as relevant to SIG Node. sig/windows Categorizes an issue or PR as relevant to SIG Windows.
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Successfully merging this pull request may close these issues.

Report CPU usageNanoCores for pods/containers in summary API on Windows
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@feiskyer @michmike @PatrickLang @dashpole @derekwaynecarr @k8s-ci-robot @fejta-bot @yujuhong @tedyu