RFR: 8342818: Implement CPU Time Profiling for JFR [v2]

[Johannes Bechberger]

On Wed, 30 Oct 2024 07:32:51 GMT, Johannes Bechberger <jbechberger at openjdk.org> wrote:

>> src/hotspot/share/jfr/periodic/sampling/jfrCPUTimeThreadSampler.cpp line 57:
>> 
>>> 55: static bool thread_state_in_java(JavaThread* thread) {
>>> 56:   assert(thread != nullptr, "invariant");
>>> 57:   switch(thread->thread_state()) {
>> 
>> Why a full switch when only two states are of interest?
>
> Similarity to the other sampler.

And it's far easier to read.

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PR Review Comment: https://git.openjdk.org/jdk/pull/20752#discussion_r1823152471