RFR: 8342818: Implement JEP 509: JFR CPU-Time Profiling [v17]

[Johannes Bechberger]

On Tue, 27 May 2025 14:17:46 GMT, Markus Grönlund <mgronlun at openjdk.org> wrote:

>> Johannes Bechberger has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Remove assertion
>
> src/hotspot/share/jfr/support/jfrThreadLocal.hpp line 36:
> 
>> 34: #include "runtime/mutexLocker.hpp"
>> 35: 
>> 36: #ifdef LINUX
> 
> Can things now be fwd declared in the .hpp and includes move to the .cpp instead?

No, because I need the `timer_t` in the arguments of the methods. Or should I use a wrapper class and a pointer to it?

> test/langtools/tools/javac/diags/examples/SubtypeDoesntImplementSealed.java line 54:
> 
>> 52: interface B3 {}
>> 53: 
>> 54: >>>>>>>> bbceab072555d5e2f5d3e99ae07a5ca5e909d7dc:test/langtools/tools/javac/diags/examples/SubtypeDoesntImplementSealed.java
> 
> merge error?

good catch

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PR Review Comment: https://git.openjdk.org/jdk/pull/25302#discussion_r2109398525
PR Review Comment: https://git.openjdk.org/jdk/pull/25302#discussion_r2109395879