RFR: 8366082: Improve queue size computation in CPU-time sampler [v6]

[Johannes Bechberger]

On Fri, 5 Sep 2025 09:23:34 GMT, Jaroslav Bachorik <jbachorik at openjdk.org> wrote:

>> src/hotspot/share/jfr/periodic/sampling/jfrCPUTimeThreadSampler.cpp line 289:
>> 
>>> 287:     return Atomic::load(&_out_of_stack_walking_iterations);
>>> 288:   }
>>> 289:   #endif
>> 
>> Should this be ASSERT of DEBUG_ONLY? 
>> Eg. the fields are defined via DEBUG_ONLY.
>
> Hm, is this because of the definition in whitebox.cpp where we need if/else to return default value if not running with ASSERT ?

Per definition of the macros it's the same

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PR Review Comment: https://git.openjdk.org/jdk/pull/26926#discussion_r2324574706