8315766: Parallelize gc/stress/TestStressIHOPMultiThread.java test

[roy-soumadipta]

Backporting the fix for https://bugs.openjdk.org/browse/JDK-8315766 merged as part of openjdk/jdk#15710. https://github.com/openjdk/jdk/commit/edd454b502b9bacde55492820e52655bbac63b89.patch could be cleanly applied.

Below are the test results:

• before_release: 1535.51s user 72.40s system 257% cpu 10:24.79 total
• after_release: 1655.73s user 74.16s system 1195% cpu 2:24.68 total
• before_fastdebug: 1064.03s user 57.21s system 177% cpu 10:32.29 total
• after_fastdebug: 1137.89s user 58.07s system 783% cpu 2:32.61 total

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8315766 needs maintainer approval

Issue

• JDK-8315766: Parallelize gc/stress/TestStressIHOPMultiThread.java test (Enhancement - P4 - Approved)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk11u-dev.git pull/2155/head:pull/2155
$ git checkout pull/2155

Update a local copy of the PR:
$ git checkout pull/2155
$ git pull https://git.openjdk.org/jdk11u-dev.git pull/2155/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 2155

View PR using the GUI difftool:
$ git pr show -t 2155

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk11u-dev/pull/2155.diff

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[bridgekeeper]

👋 Welcome back roy-soumadipta! 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]

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

[openjdk]

⚠️ @roy-soumadipta 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.

[roy-soumadipta]

/approval request Improves test performance. Applies cleanly, test still passes.

[openjdk]

@roy-soumadipta The approval request has been created successfully.

[mlbridge]

Webrevs

• 00: Full (3ece5681)

[openjdk]

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

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

8315766: Parallelize gc/stress/TestStressIHOPMultiThread.java test

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 8 new commits pushed to the master branch:

• ac0bc1b: 8306883: Thread stacksize is reported with wrong units in os::create_thread logging
• 51a80dd: 8293466: libjsig should ignore non-modifying sigaction calls
• a4b3027: 8271519: java/awt/event/SequencedEvent/MultipleContextsFunctionalTest.java failed with "Total [200] - Expected [400]"
• cf722df: 8267860: Off-by-one bug when searching arrays in AlpnGreaseTest
• 0beae37: 8280004: DCmdArgument::parse_value() should handle NULL input
• 166adaa: 8315770: serviceability/sa/TestJmapCoreMetaspace.java should run with -XX:-VerifyDependencies
• ffef098: 8290067: Show stack dimensions in UL logging when attaching threads
• f530f34: 8313792: Verify 4th party information in src/jdk.internal.le/share/legal/jline.md

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).

[roy-soumadipta]

/integrate

[openjdk]

@roy-soumadipta
Your change (at version 3ece568) is now ready to be sponsored by a Committer.

[phohensee]

/sponsor

[openjdk]

Going to push as commit fb7e6e3.
Since your change was applied there have been 8 commits pushed to the master branch:

• ac0bc1b: 8306883: Thread stacksize is reported with wrong units in os::create_thread logging
• 51a80dd: 8293466: libjsig should ignore non-modifying sigaction calls
• a4b3027: 8271519: java/awt/event/SequencedEvent/MultipleContextsFunctionalTest.java failed with "Total [200] - Expected [400]"
• cf722df: 8267860: Off-by-one bug when searching arrays in AlpnGreaseTest
• 0beae37: 8280004: DCmdArgument::parse_value() should handle NULL input
• 166adaa: 8315770: serviceability/sa/TestJmapCoreMetaspace.java should run with -XX:-VerifyDependencies
• ffef098: 8290067: Show stack dimensions in UL logging when attaching threads
• f530f34: 8313792: Verify 4th party information in src/jdk.internal.le/share/legal/jline.md

Your commit was automatically rebased without conflicts.

[openjdk]

@phohensee @roy-soumadipta Pushed as commit fb7e6e3.

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