RFR: 8342818: Implement JEP 509: JFR CPU-Time Profiling [v60]

[Johannes Bechberger]

On Wed, 4 Jun 2025 19:47:17 GMT, Markus Grönlund <mgronlun at openjdk.org> wrote:

>> Johannes Bechberger has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Improve
>
> src/hotspot/share/jfr/periodic/sampling/jfrCPUTimeThreadSampler.cpp line 634:
> 
>> 632: 
>> 633: void JfrCPUSamplerThread::allow_signal_handlers() {
>> 634:   Atomic::release_store(&_initialize_active_signal_handler_counter, (u4)0);
> 
> I think we might be getting a bit tired. I meant the function name, not the variable name, which now looks completely bonkers :-)

Well, I just misunderstood you :D

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PR Review Comment: https://git.openjdk.org/jdk/pull/25302#discussion_r2127329186