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

[Andrei Pangin]

On Thu, 7 Nov 2024 15:11:00 GMT, Johannes Bechberger <jbechberger at openjdk.org> wrote:

>> This is the code for the [JEP draft: CPU Time based profiling for JFR].
>
> 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

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PR Review Comment: https://git.openjdk.org/jdk/pull/20752#discussion_r1834428400