RFR: 8342818: Implement JEP 509: JFR CPU-Time Profiling [v42]

[Markus Grönlund]

On Wed, 4 Jun 2025 11:25:44 GMT, Andrei Pangin <apangin at openjdk.org> wrote:

>> Is this something for a later PR?
>
> I'm OK with fixing this separately.

Please ensure that you file a follow-up issue on this matter.

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PR Review Comment: https://git.openjdk.org/jdk/pull/25302#discussion_r2127213771