RFR: 8352738: Implement JEP 520: JFR Method Timing and Tracing

[Markus Grönlund]

On Fri, 23 May 2025 14:43:53 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> Correct, should be Atomic::load_acquire()
>
> Just so we are on the same page, the stores should be at least `Atomic::release_store`, but better even `Atomic::release_store_fence` to match `Atomic::load_acquire`.

Why release_store_fence() over release_store() in this context?

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PR Review Comment: https://git.openjdk.org/jdk/pull/25306#discussion_r2104775758