RFR: 8366865: Allocation GC Pauses Triggered after JVM has started shutdown [v4]

[Ivan Walulya]

On Tue, 16 Sep 2025 02:58:12 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> I moved the `Universe::before_exit()` call and also added a timed `wait`. 
>> @dholmes-ora do you have any concerns with this approach?
>
> Yes I do have concerns - sorry. Any change to the shutdown sequence needs very careful analysis. You have now changed the circumstances whereby the JVMTI events get posted. Maybe it won't matter, maybe it will - the issue is that it is very hard to determine the impact of such a change until you get notified that someone's code is now broken.

I have undone that part of the change. We can revisit it separately, that way it is easier to backout if it is problematic

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PR Review Comment: https://git.openjdk.org/jdk/pull/27190#discussion_r2351648194