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8331560: Refactor Hotspot container detection code so that subsystem delegates to controllers#1651

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jankratochvil wants to merge 5 commits intoopenjdk:masterfrom
jankratochvil:devmaster-cgroup2reduced1234
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8331560: Refactor Hotspot container detection code so that subsystem delegates to controllers#1651
jankratochvil wants to merge 5 commits intoopenjdk:masterfrom
jankratochvil:devmaster-cgroup2reduced1234

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@jankratochvil
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@jankratochvil jankratochvil commented Apr 15, 2025

A patch 4 of 6 for: [21u] Backport intention of 8322420: [Linux] cgroup v2: Limits in parent nested control groups are not detected

It has a patch dependency on PR 3 of 6: #1650

This backport is clean.


Progress

  • Change must be properly reviewed (1 review required, with at least 1 Reviewer)
  • Change must not contain extraneous whitespace
  • Commit message must refer to an issue
  • JDK-8331560 needs maintainer approval

Issue

  • JDK-8331560: Refactor Hotspot container detection code so that subsystem delegates to controllers (Enhancement - P3)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u-dev.git pull/1651/head:pull/1651
$ git checkout pull/1651

Update a local copy of the PR:
$ git checkout pull/1651
$ git pull https://git.openjdk.org/jdk21u-dev.git pull/1651/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 1651

View PR using the GUI difftool:
$ git pr show -t 1651

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk21u-dev/pull/1651.diff

Using Webrev

Link to Webrev Comment

jerboaa and others added 5 commits April 14, 2025 15:42
Reviewed-by: sgehwolf, clanger, stuefe
…ndefined reference to `JVM_IsContainerized'

 - a patch by Yuri Nesterenko
…n outside a container

Reviewed-by: stuefe, iklam
…delegates to controllers

Reviewed-by: jsjolen, stuefe
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bridgekeeper Bot commented Apr 15, 2025

👋 Welcome back jkratochvil! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

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openjdk Bot commented Apr 15, 2025

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

@openjdk openjdk Bot changed the title Backport 65a282aae3f81379f1471db4fc0ff2e3b479140e 8331560: Refactor Hotspot container detection code so that subsystem delegates to controllers Apr 15, 2025
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openjdk Bot commented Apr 15, 2025

This backport pull request has now been updated with issue from the original commit.

@openjdk openjdk Bot added backport Port of a pull request already in a different code base rfr Pull request is ready for review labels Apr 15, 2025
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mlbridge Bot commented Apr 15, 2025

Webrevs

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Replaced by: #1662

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backport Port of a pull request already in a different code base rfr Pull request is ready for review

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3 participants