RFR: 8372543: Shenandoah: undercalculated the available size when soft max takes effect [v3]

[Rui Li]

On Wed, 3 Dec 2025 18:44:37 GMT, William Kemper <wkemper at openjdk.org> wrote:

>> Rui Li has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Remove unused freeset includes
>
> src/hotspot/share/gc/shenandoah/heuristics/shenandoahAdaptiveHeuristics.cpp line 258:
> 
>> 256:   size_t min_threshold = min_free_threshold();
>> 257:   if (available < min_threshold) {
>> 258:     log_trigger("Free (Soft mutator free) (%zu%s) is below minimum threshold (%zu%s)",
> 
> Changing this will break some log parsers, do we really need this?

Talked offline. `Free` is overloaded in logs. Sometimes it means soft free, sometimes it means total free. Make it as `Free (Soft)` here.

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PR Review Comment: https://git.openjdk.org/jdk/pull/28622#discussion_r2590194712