RFR: 8306028: separate ThreadStart/ThreadEnd events posting code in JVMTI VTMS transitions [v5]

[Serguei Spitsyn]

On Thu, 27 Apr 2023 04:52:53 GMT, Serguei Spitsyn <sspitsyn at openjdk.org> wrote:

>> This refactoring to separate ThreadStart/ThreadEnd events posting code in the JVMTI VTMS transitions is needed for future work on JVMTI scalability and performance improvements. It is to easier put this code on slow path.
>> 
>> Testing: mach5 tiers 1-6 were successful.
>
> Serguei Spitsyn has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Merge branch 'br29' of https://github.com/sspitsyn/jdk into br29
>    merge with branch29
>  - move code a little bit

Patricio, thank you a lot for review!

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PR Comment: https://git.openjdk.org/jdk/pull/13484#issuecomment-1530272166