RFR: 8339197: GenShen: Adding Generation and Evacuation Information JFR Logging [v4]

[Y. Srinivas Ramakrishna]

On Fri, 30 Aug 2024 19:28:55 GMT, Satyen Subramaniam <duke at openjdk.org> wrote:

>> Adding `ShenandoahEvacInfo` event and modifying existing logging for Concurrent Reset and Final Roots events to include generation for Generational Shenandoah GC.
>
> Satyen Subramaniam has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Formatting and ShenandoahEvacInfo comment

Marked as reviewed by ysr (Committer).

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PR Review: https://git.openjdk.org/shenandoah/pull/489#pullrequestreview-2273609191