RFR: 8359110: Log accumulated GC and process CPU time upon VM exit [v20]

[Albert Mingkun Yang]

On Thu, 3 Jul 2025 11:16:01 GMT, Jonas Norlinder <duke at openjdk.org> wrote:

>> Add support to log CPU cost for GC during VM exit with `-Xlog:gc+cpu`.
>> 
>> 
>> [2,430s][info][gc,cpu] GC CPU usage: 22,87% (Process: 26,8926s GC: 6,1491s)
>
> Jonas Norlinder has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Remove unnecessary include
>  - Remove unnecessary includes, explicit thread type and make log_gc_cpu_time private

Marked as reviewed by ayang (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/25779#pullrequestreview-2982789191