RFR: Implement JEP 509: JFR CPU-Time Profiling [v45]

Mon May 5 13:29:58 UTC 2025

On Mon, 5 May 2025 13:22:42 GMT, Johan Sjölen <jsjolen at openjdk.org> wrote:

>> Wouldn't this defeat its purpose? I would need to get the next free element from an array whenever I want to enqueue.
>
> But eh, if I'm reading Zenghyu's comments correctly then what I'm saying doesn't matter???

> I see. If it is only used in signal handlers, does it really need to be multi-threaded?

I might be able to simplify the thread-local stacks.

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PR Review Comment: https://git.openjdk.org/jdk/pull/20752#discussion_r2073441661