RFR: 8342818: Implement JEP 509: JFR CPU-Time Profiling [v29]

[Markus Grönlund]

On Mon, 2 Jun 2025 15:01:39 GMT, Johannes Bechberger <jbechberger at openjdk.org> wrote:

>> Can I export compute_top_frame and use it here?
>
> Or just create a `Jfr::drain_cpu_time_queue` method?

Try to move the entire:

void JfrCPUTimeThreadSampler::stackwalk_thread_in_native(JavaThread* thread) {
}

Into JfrThreadSampling.hpp / jfrThreadSampling.cpp - you can send your JfrCPUTimeThreadSampler events from there.

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/25302#discussion_r2121456081