RFR: 8365057: Add support for java.util.concurrent lock information to Thread.dump_to_file

[Alan Bateman]

On Tue, 23 Sep 2025 20:22:31 GMT, Alex Menkov <amenkov at openjdk.org> wrote:

> The fix updates `jcmd Thread.dump_to_file`/`HotSpotDiagnosticMXBean.dumpThreads` implementation to report thread which owns parkBlocker.
> 
> Testing: tier1..4,hs-tier5-svc

test/jdk/com/sun/management/HotSpotDiagnosticMXBean/DumpThreads.java line 695:

> 693:     }
> 694: 
> 695:     /**

In the contains methods, the comment has "contain the given text", it should "containing the given text". (this was spotted when adding the find method).

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PR Review Comment: https://git.openjdk.org/jdk/pull/27457#discussion_r2374587163