RFR: 8342818: Implement JEP 509: JFR CPU-Time Profiling [v26]

[Markus Grönlund]

On Sun, 1 Jun 2025 18:22:10 GMT, Markus Grönlund <mgronlun at openjdk.org> wrote:

>> Johannes Bechberger has updated the pull request incrementally with two additional commits since the last revision:
>> 
>>  - Refactoring
>>  - Remove convoluted native trace logic
>
> src/hotspot/share/jfr/periodic/sampling/jfrThreadSampling.cpp line 250:
> 
>> 248:     }
>> 249: 
>> 250:     biased = true;
> 
> Perhaps set on entry, and only keep the single biased = false below?

Also, note you have a direct hit in line 221--222 above - it's biased = false.

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PR Review Comment: https://git.openjdk.org/jdk/pull/25302#discussion_r2119404072