8223575: add subspace transitions to gc+metaspace=info log lines

[GoeLin]

I backport this for parity with 11.0.17-oracle.

src/hotspot/share/gc/shared/genCollectedHeap.cpp had to be resolved because it has a
somewhat different logic.

I had to port the change to Shenandoah.

---

Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8223575: add subspace transitions to gc+metaspace=info log lines

Reviewers

• Martin Doerr (@TheRealMDoerr - Reviewer) ⚠️ Review applies to d1ff462d

Reviewing

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Checkout this PR locally:
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$ git checkout pull/1126

Update a local copy of the PR:
$ git checkout pull/1126
$ git pull https://git.openjdk.java.net/jdk11u-dev pull/1126/head

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Checkout this PR locally:
$ git pr checkout 1126

View PR using the GUI difftool:
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Download this PR as a diff file:
https://git.openjdk.java.net/jdk11u-dev/pull/1126.diff

[bridgekeeper]

👋 Welcome back goetz! 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

• 02: Full - Incremental (1af0b74b)
• 01: Full - Incremental (d1ff462d)
• 00: Full (e6d51dde)

[GoeLin]

Pre-submit failures: known windows problems, unrelated.

[TheRealMDoerr]

LGTM. Thanks for backporting. Please consider removing the extra newline before integrating.

[TheRealMDoerr]

Upstream version doesn't have this empty line between old_prev_used and prev_meta_sizes.

[openjdk]

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

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

8223575: add subspace transitions to gc+metaspace=info log lines

Reviewed-by: mdoerr

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 10 new commits pushed to the master branch:

• bb5d2bb: 8239902: [macos] Remove direct usage of JSlider, JProgressBar classes in CAccessible class
• 16d0b7d: 8210107: vmTestbase/nsk/stress/network tests fail with Cannot assign requested address (Bind failed)
• a665027: Merge
• e996d6f: 8286855: javac error on invalid jar should only print filename
• 9c64a06: 8286594: (zipfs) Mention paths with dot elements in ZipException and cleanups
• 3f9d731: 8286444: javac errors after JDK-8251329 are not helpful enough to find root cause
• 54a1784: 8287378: GHA: Update cygwin to fix issues in langtools tests on Windows
• 3625ce7: 8287739: [11u] ProblemList sun/security/ssl/SSLSessionImpl/NoInvalidateSocketException.java
• 4546db6: 8240132: ProblemList com/sun/jdi/InvokeHangTest.java
• 06ead4e: 8274171: java/nio/file/Files/probeContentType/Basic.java failed on "Content type" mismatches

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.

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

[GoeLin]

/integrate

[openjdk]

Going to push as commit bf0ebd2.
Since your change was applied there have been 13 commits pushed to the master branch:

• 39109e5: 8209736: runtime/RedefineTests/ModifyAnonymous.java fails with NullPointerException when running in CDS mode
• cc6137c: 8069343: Improve gc/g1/TestHumongousCodeCacheRoots.java to use jtreg @requires
• a87bfb8: 8286114: [test] show real exception in bomb call in sun/rmi/runtime/Log/checkLogging/CheckLogging.java
• bb5d2bb: 8239902: [macos] Remove direct usage of JSlider, JProgressBar classes in CAccessible class
• 16d0b7d: 8210107: vmTestbase/nsk/stress/network tests fail with Cannot assign requested address (Bind failed)
• a665027: Merge
• e996d6f: 8286855: javac error on invalid jar should only print filename
• 9c64a06: 8286594: (zipfs) Mention paths with dot elements in ZipException and cleanups
• 3f9d731: 8286444: javac errors after JDK-8251329 are not helpful enough to find root cause
• 54a1784: 8287378: GHA: Update cygwin to fix issues in langtools tests on Windows
• ... and 3 more: https://git.openjdk.org/jdk11u-dev/compare/f915a327b9bd6855bdb30c2b6c8358da3973483b...master

Your commit was automatically rebased without conflicts.

[openjdk]

@GoeLin Pushed as commit bf0ebd2.

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