RFR: 8332923: ObjectMonitorUsage.java failed with unexpected waiter_count [v3]

[Serguei Spitsyn]

On Thu, 30 May 2024 06:36:09 GMT, SendaoYan <syan at openjdk.org> wrote:

>> SendaoYan has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   change from java_lang_VirtualThread::is_instance(thread_oop) to hread_oop->is_a(vmClasses::BaseVirtualThread_klass()) in Threads::get_pending_threads()
>
> The GHA test runner report a intermittent failure `ToolTabSnippetTest.testCleaningCompletionTODO(): failure`, which has been recorded in [JDK-8287078](https://bugs.openjdk.org/browse/JDK-8287078), I think it's unrelated to this PR.

@sendaoYan The serviceability fixes require two reviews. Please, wait for a second reviewer before integration.

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PR Comment: https://git.openjdk.org/jdk/pull/19405#issuecomment-2142964196