RFR: 8340408: Shenandoah: Remove redundant task stats printing code in ShenandoahTaskQueue

[Zhengyu Gu]

On Thu, 19 Sep 2024 21:46:43 GMT, William Kemper <wkemper at openjdk.org> wrote:

>> [JDK-8280397](https://bugs.openjdk.org/browse/JDK-8280397) made the code redundant. 
>> 
>> Adopt shared implementation.
>
> src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.cpp line 228:
> 
>> 226:   finish_mark_work();
>> 227:   assert(task_queues()->is_empty(), "Should be empty");
>> 228:   TASKQUEUE_STATS_ONLY(task_queues()->print_and_reset_taskqueue_stats(""));
> 
> Could we pass `"Finish Mark"` for the label here.

The label is used for queue names in other GCs, instead of phases. I passed empty string to be consistent with old label.

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PR Review Comment: https://git.openjdk.org/jdk/pull/21077#discussion_r1771319732