8351359: OperatingSystemMXBean: values from getCpuLoad and getProcessCpuLoad are stale after 24.8 days (Windows)

[antonvoznia]

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Hi,

It's a clean backport of JDK-8351359. Changes are related to Windows only.

Testing:

• manual testing code that calls getProcessCpuLoad() on windows server 2025, intel cpu
• OpenJDK GHA Sanity Checks

---

Progress

• [x] Change must not contain extraneous whitespace
• [ ] JDK-8351359 needs maintainer approval
• [x] Commit message must refer to an issue

Issue

• JDK-8351359: OperatingSystemMXBean: values from getCpuLoad and getProcessCpuLoad are stale after 24.8 days (Windows) (Bug - P4)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk17u-dev.git pull/3983/head:pull/3983
$ git checkout pull/3983

Update a local copy of the PR:
$ git checkout pull/3983
$ git pull https://git.openjdk.org/jdk17u-dev.git pull/3983/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 3983

View PR using the GUI difftool:
$ git pr show -t 3983

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk17u-dev/pull/3983.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper[bot]]

Hi @antonvoznia, welcome to this OpenJDK project and thanks for contributing!

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[openjdk[bot]]

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

[openjdk[bot]]

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

[antonvoznia]

/covered

[bridgekeeper[bot]]

Thank you! Please allow for a few business days to verify that your employer has signed the OCA. Also, please note that pull requests that are pending an OCA check will not usually be evaluated, so your patience is appreciated!

[bridgekeeper[bot]]

@antonvoznia This pull request has been inactive for more than 4 weeks and will be automatically closed if another 4 weeks passes without any activity. To avoid this, simply issue a /touch or /keepalive command to the pull request. Feel free to ask for assistance if you need help with progressing this pull request towards integration!

[openjdk[bot]]

⚠️ @antonvoznia This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

[mlbridge[bot]]

Webrevs

• 00: Full (7640e227)