RFR: 8359110: Log accumulated GC and process CPU time upon VM exit [v19]

[Jonas Norlinder]

On Thu, 3 Jul 2025 10:29:24 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Jonas Norlinder has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Remove friend class in CPUTimeCounters
>
> src/hotspot/share/gc/shared/collectedHeap.hpp line 465:
> 
>> 463: 
>> 464:   double elapsed_gc_cpu_time() const;
>> 465:   void log_gc_cpu_time() const;
> 
> They can be private, I believe.

`elapsed_gc_cpu_time()` will be callable through an MXBean in a future patch I'm planning, but can make `log_gc_cpu_time()` private

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PR Review Comment: https://git.openjdk.org/jdk/pull/25779#discussion_r2182476362