RFR: 8330846: Add stacks of mounted virtual threads to the HotSpot thread dump [v18]

[Inigo Mediavilla Saiz]

On Fri, 14 Jun 2024 07:07:39 GMT, Alan Bateman <alanb at openjdk.org> wrote:

>> Inigo Mediavilla Saiz has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Remove unneeded line
>
> It's the countDown by "dummy" thread will unpark "main". The queuing and starting of the second FJ worker thread is happening in the context of dummy's carrier (not dummy itself). We want to eventually remove these temporary transitions, at least for the default scheduler, but aren't there yet. I've attached an initial patch to JDK-8334215 for the issues.

Thanks a lot @AlanBateman ! That helps me to get a better understanding of what's going on.

I've created a PR with the patch that you shared in [JDK-8334215](https://bugs.openjdk.org/browse/JDK-8334215)

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PR Comment: https://git.openjdk.org/jdk/pull/19482#issuecomment-2172848668