RFR: 8342818: Implement CPU Time Profiling for JFR [v3]

[Markus Grönlund]

On Wed, 30 Oct 2024 18:22:35 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:
> 
>   Fix tests and other minor improvements

src/hotspot/share/jfr/recorder/stacktrace/jfrAsyncStackTrace.cpp line 45:

> 43: 
> 44: 
> 45: static const size_t min_valid_free_size_bytes = 16;

This is not used anywhere? Does it mean you could remove the special handling of request_enqueue_buffer()?

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PR Review Comment: https://git.openjdk.org/jdk/pull/20752#discussion_r1823236275