8300659: Refactor TestMemoryAwareness to use WhiteBox api for host values

[RealLucy]

I backport this for parity with 11.0.21-oracle.
Whitebox obviously differs in location between 11 and head. Needed adaptations.
In all affected files, some chunks did not apply. Manual resolution was straightforward.

GHA and SAP-internal tests succeeded.

---

Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
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• Commit message must refer to an issue

Issue

• JDK-8300659: Refactor TestMemoryAwareness to use WhiteBox api for host values (Bug - P3)

Reviewers

• Severin Gehwolf (@jerboaa - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk11u-dev.git pull/2031/head:pull/2031
$ git checkout pull/2031

Update a local copy of the PR:
$ git checkout pull/2031
$ git pull https://git.openjdk.org/jdk11u-dev.git pull/2031/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 2031

View PR using the GUI difftool:
$ git pr show -t 2031

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk11u-dev/pull/2031.diff

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Link to Webrev Comment

[bridgekeeper]

👋 Welcome back lucy! 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.

[mlbridge]

Webrevs

• 01: Full - Incremental (e224c0c5)
• 00: Full (24d27d30)

[jerboaa]

The import mistake makes the test not compile. Looks good otherwise.

[jerboaa]

Should be:

import sun.hotspot.WhiteBox;

[RealLucy]

Thank you for approving this PR, @jerboaa
And thank you for pointing me to the error. I was in a hurry to make the SAP nightmare deadline.
Learning? If you can't make it with diligence, don't do it. As always.
import stmt is fixed.

[openjdk]

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

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

8300659: Refactor TestMemoryAwareness to use WhiteBox api for host values

Reviewed-by: sgehwolf

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 19 new commits pushed to the master branch:

• b9a29eb: 8297437: javadoc cannot link to old docs (with old style anchors)
• dbf8820: 8300098: java/util/concurrent/ConcurrentHashMap/ConcurrentAssociateTest.java fails with internal timeout when executed with TieredCompilation1/3
• 750387b: 8297887: Update Siphash
• 2854320: 8306638: Open source some AWT tests related to datatransfer and Toolkit
• 9fecfb3: 8305950: Have -XshowSettings option display tzdata version
• 6b84480: 8304054: Linux: NullPointerException from FontConfiguration.getVersion in case no fonts are installed
• 532fbe9: 8291444: GHA builds/tests won't run manually if disabled from automatic running
• 6b77069: 8291830: jvmti/RedefineClasses/StressRedefine failed: assert(!is_null(v)) failed: narrow klass value can never be zero
• b3417d8: 8293657: sun/management/jmxremote/bootstrap/RmiBootstrapTest.java#id1 failed with "SSLHandshakeException: Remote host terminated the handshake"
• a975a1e: 8286620: Create regression test for verifying setMargin() of JRadioButton
• ... and 9 more: https://git.openjdk.org/jdk11u-dev/compare/9c97b37e1bca898a3ba2832342c909879cb4e31c...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.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[RealLucy]

/integrate

[openjdk]

Going to push as commit 1a99b6e.
Since your change was applied there have been 19 commits pushed to the master branch:

• b9a29eb: 8297437: javadoc cannot link to old docs (with old style anchors)
• dbf8820: 8300098: java/util/concurrent/ConcurrentHashMap/ConcurrentAssociateTest.java fails with internal timeout when executed with TieredCompilation1/3
• 750387b: 8297887: Update Siphash
• 2854320: 8306638: Open source some AWT tests related to datatransfer and Toolkit
• 9fecfb3: 8305950: Have -XshowSettings option display tzdata version
• 6b84480: 8304054: Linux: NullPointerException from FontConfiguration.getVersion in case no fonts are installed
• 532fbe9: 8291444: GHA builds/tests won't run manually if disabled from automatic running
• 6b77069: 8291830: jvmti/RedefineClasses/StressRedefine failed: assert(!is_null(v)) failed: narrow klass value can never be zero
• b3417d8: 8293657: sun/management/jmxremote/bootstrap/RmiBootstrapTest.java#id1 failed with "SSLHandshakeException: Remote host terminated the handshake"
• a975a1e: 8286620: Create regression test for verifying setMargin() of JRadioButton
• ... and 9 more: https://git.openjdk.org/jdk11u-dev/compare/9c97b37e1bca898a3ba2832342c909879cb4e31c...master

Your commit was automatically rebased without conflicts.

[openjdk]

@RealLucy Pushed as commit 1a99b6e.

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