RFR: 8342818: Implement CPU Time Profiling for JFR [v4]

[Johannes Bechberger]

On Thu, 31 Oct 2024 06:40:00 GMT, Johannes Bechberger <jbechberger at openjdk.org> wrote:

>> I certainly disagree on the readability aspect. The switch means I have to look through each section to figure out what it does for each state. In contrast:
>> 
>> state = ...
>> return state == _thread_in_Java || state == _thread_in_Java_trans;
>> ``
>> is IMO blindingly obvious.
>
> But this doesn't check whether the state could be something new an unsupported.

I changed it to your recommendation.

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PR Review Comment: https://git.openjdk.org/jdk/pull/20752#discussion_r1824195469