8270908: TestParallelRefProc fails on single core machines

[mychris]

Hi,

please review this small fix for the test case TestParallelRefProc.
I changed the way the ParallelGC is tested to the same way G1GC is tested, since the test failed on single core machines. Ergo configures only 1 parallel GC thread on single core machines and with only 1 thread, ergo does not enable ParallelRefProcEnabled.

---

Progress

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Issue

• JDK-8270908: TestParallelRefProc fails on single core machines

Reviewers

• Thomas Schatzl (@tschatzl - Reviewer)
• Kim Barrett (@kimbarrett - Reviewer)

Reviewing

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[openjdk]

@mychris The following label will be automatically applied to this pull request:

• hotspot-gc

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[mlbridge]

Webrevs

• 00: Full (b31b5a6a)

[tschatzl]

Thanks! Lgtm.

[openjdk]

@mychris 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:

8270908: TestParallelRefProc fails on single core machines

Reviewed-by: tschatzl, kbarrett

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 30 new commits pushed to the master branch:

• e3800e6: 8271162: runtime/StackTrace/LargeClassTest.java can be run in driver mode
• ee93cef: 8271158: runtime/handshake/HandshakeTimeoutTest.java test doesn't check exit code
• 84be910: 8271169: runtime/Safepoint/TestAbortVMOnSafepointTimeout.java can be run in driver mode
• 2d165a2: 8271160: runtime/jni/checked/TestCheckedJniExceptionCheck.java doesn't set -Djava.library.path
• 7165b3f: 8271155: Wrong path separator in env variable
• ecc37b0: 8270916: Update java.lang.annotation.Target for changes in JLS 9.6.4.1
• 4812e53: 8271094: runtime/duplAttributes/DuplAttributesTest.java doesn't check exit code
• 6a9ab6a: 8271093: remove deadcode from runtime/Thread/TestThreadDumpSMRInfo.java test
• e7f9009: 8270085: Suspend during block transition may deadlock if lock held
• 39b486d: 8271126: ProblemList runtime/InvocationTests/invokevirtualTests.java
• ... and 20 more: https://git.openjdk.java.net/jdk17/compare/61359c46a74b03b94738744d309334a5af162f08...master

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.

As you do not have Committer status in this project an existing Committer must agree to sponsor your change. Possible candidates are the reviewers of this PR (@tschatzl, @kimbarrett) but any other Committer may sponsor as well.

➡️ 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).

[kimbarrett]

Looks good.

[mychris]

Thanks for the reviews.
The test failure on macOS is because 3 unrelated test cases ran into a timeout:

• runtime/CreateMirror/ArraysNewInstanceBug.java
• runtime/exceptionMsgs/ArrayIndexOutOfBoundsException/ArrayIndexOutOfBoundsExceptionTest.java#id1
• runtime/LoadClass/TestResize.java

/integrate

[openjdk]

@mychris
Your change (at version b31b5a6) is now ready to be sponsored by a Committer.

[mychris]

@tschatzl or @kimbarrett, would one of you mind sponsoring this change?

[kimbarrett]

/sponsor

[openjdk]

Going to push as commit 6e1da64.
Since your change was applied there have been 41 commits pushed to the master branch:

• f1e15c8: 8271350: runtime/Safepoint tests use OutputAnalyzer::shouldMatch instead of shouldContaint
• fbe28e4: 8270866: NPE in DocTreePath.getTreePath()
• f662127: 8270491: SEGV at read_string_field(oopDesc*, char const*, JavaThread*)+0x54
• cea7bc2: 8271223: two runtime/ClassFile tests don't check exit code
• b76a838: 8269150: UnicodeReader not translating \u005c\u005d to \]
• 7ddabbf: 8271175: runtime/jni/FindClassUtf8/FindClassUtf8.java doesn't have to be run in othervm
• 3c27f91: 8271222: two runtime/Monitor tests don't check exit code
• 049b2ad: 8015886: java/awt/Focus/DeiconifiedFrameLoosesFocus/DeiconifiedFrameLoosesFocus.java sometimes failed on ubuntu
• 8adf008: 8269984: [macos] JTabbedPane title looks like disabled
• e90ed6c: 8271173: serviceability/jvmti/GetObjectSizeClass.java doesn't check exit code
• ... and 31 more: https://git.openjdk.java.net/jdk17/compare/61359c46a74b03b94738744d309334a5af162f08...master

Your commit was automatically rebased without conflicts.

[openjdk]

@kimbarrett @mychris Pushed as commit 6e1da64.

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