RFR: Use distinct "end of cycle" message for each Shenandoah pause [v2]

[Kelvin Nilsen]

On Tue, 2 May 2023 23:04:03 GMT, Kelvin Nilsen <kdnilsen at openjdk.org> wrote:

>> William Kemper has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Move region aging into op_final_roots
>
> src/hotspot/share/gc/shenandoah/shenandoahVMOperations.cpp line 82:
> 
>> 80: 
>> 81: void VM_ShenandoahFinalRoots::doit() {
>> 82:   ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
> 
> Why are we disabling the aging of regions?  And why are we disabling the aging cycle?

In my initial review, I missed that this functionality has been moved to ShenandoahConcurrentGC::entry_final_roots()

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PR Review Comment: https://git.openjdk.org/shenandoah/pull/270#discussion_r1183125829