8329109: Threads::print_on() tries to print CPU time for terminated GC threads

[mmyxym]

Clean backport of fixing crash on Threads::print_on() .

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8329109 needs maintainer approval

Issue

• JDK-8329109: Threads::print_on() tries to print CPU time for terminated GC threads (Bug - P3 - Approved)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk22u.git pull/215/head:pull/215
$ git checkout pull/215

Update a local copy of the PR:
$ git checkout pull/215
$ git pull https://git.openjdk.org/jdk22u.git pull/215/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 215

View PR using the GUI difftool:
$ git pr show -t 215

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk22u/pull/215.diff

Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back lmao! 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.

[openjdk]

@mmyxym This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8329109: Threads::print_on() tries to print CPU time for terminated GC threads

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 7 new commits pushed to the master branch:

• ae8dae9: 8325587: Shenandoah: ShenandoahLock should allow blocking in VM
• b0cd610: 8332253: Linux arm32 build fails after 8292591
• 4541823: 8329605: hs errfile generic events - move memory protections and nmethod flushes to separate sections
• f539469: 8330464: hserr generic events - add entry for the before_exit calls
• da980f9: 8331031: unify os::dont_yield and os::naked_yield across Posix platforms
• 1e173f9: 8330814: Cleanups for KeepAliveCache tests
• 9836209: 8261433: Better pkcs11 performance for libpkcs11:C_EncryptInit/libpkcs11:C_DecryptInit

Please see this link for an up-to-date comparison between the source branch of this pull request and the master branch.
As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

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➡️ To flag this PR as ready for integration with the above commit message, type /integrate in a new comment. (Afterwards, your sponsor types /sponsor in a new comment to perform the integration).

[openjdk]

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

[openjdk]

⚠️ @mmyxym 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]

Webrevs

• 00: Full (156b6a81)

[mmyxym]

/approval request Clean backport of fixing crash on Threads::print_on() . Risk is very low.

[openjdk]

@mmyxym
8329109: The approval request has been created successfully.

[mmyxym]

/integrate

[openjdk]

@mmyxym
Your change (at version 156b6a8) is now ready to be sponsored by a Committer.

[mmyxym]

Could committers please help to sponsor?

[RealCLanger]

/sponsor

[openjdk]

Going to push as commit a3e51ec.
Since your change was applied there have been 7 commits pushed to the master branch:

• ae8dae9: 8325587: Shenandoah: ShenandoahLock should allow blocking in VM
• b0cd610: 8332253: Linux arm32 build fails after 8292591
• 4541823: 8329605: hs errfile generic events - move memory protections and nmethod flushes to separate sections
• f539469: 8330464: hserr generic events - add entry for the before_exit calls
• da980f9: 8331031: unify os::dont_yield and os::naked_yield across Posix platforms
• 1e173f9: 8330814: Cleanups for KeepAliveCache tests
• 9836209: 8261433: Better pkcs11 performance for libpkcs11:C_EncryptInit/libpkcs11:C_DecryptInit

Your commit was automatically rebased without conflicts.

[openjdk]

@RealCLanger @mmyxym Pushed as commit a3e51ec.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.