8350314: Shenandoah: Capture thread state sync times in GC timings

[earthling-amzn]

Clean backport

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8350314: Shenandoah: Capture thread state sync times in GC timings (Enhancement - P4)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/shenandoah-jdk21u.git pull/168/head:pull/168
$ git checkout pull/168

Update a local copy of the PR:
$ git checkout pull/168
$ git pull https://git.openjdk.org/shenandoah-jdk21u.git pull/168/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 168

View PR using the GUI difftool:
$ git pr show -t 168

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/shenandoah-jdk21u/pull/168.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

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[openjdk]

@earthling-amzn 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:

8350314: Shenandoah: Capture thread state sync times in GC timings

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

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[openjdk]

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

[mlbridge]

Webrevs

• 00: Full (12d5b0a0)

[earthling-amzn]

/integrate

[openjdk]

Going to push as commit 15bdf92.

[openjdk]

@earthling-amzn Pushed as commit 15bdf92.

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