RFR: 8342818: Implement CPU Time Profiling for JFR [v17]

[Johannes Bechberger]

On Fri, 8 Nov 2024 13:44:01 GMT, Andrei Pangin <apangin at openjdk.org> wrote:

>> Johannes Bechberger has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Don't treat stackTrace attribute specially for CPUTimeSamples
>
> src/hotspot/share/jfr/recorder/stacktrace/jfrAsyncStackTrace.cpp line 58:
> 
>> 56:   // This is because RegisterMap uses Handles to support continuations.
>> 57:   ResetNoHandleMark rnhm;
>> 58:   HandleMark hm(jt);
> 
> HandleMark cannot be used in async-signal-safe context

Is fixed, thank you.

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PR Review Comment: https://git.openjdk.org/jdk/pull/20752#discussion_r1840292314