RFR: 8376410: G1: Task queue statistics not reset properly on mark abort

[Thomas Schatzl]

On Tue, 3 Feb 2026 04:49:15 GMT, Ivan Walulya <iwalulya at openjdk.org> wrote:

>> Hi all,
>> 
>>   please review this change that makes sure that task queue stats are properly reset. Previously, if marking had been aborted (or restarted), there were leftovers in the statistics, which caused the assertion failure.
>> 
>> The change not only fixes reset of the task queue stats, but also reset of the partial array splitter which suffers from the same issue.
>> 
>> Testing: given test case not failing any more after 30mins (failed within a few iterations typically), GHA, tier1-5
>> 
>> Thanks,
>>   Thomas
>
> Marked as reviewed by iwalulya (Reviewer).

Thanks @walulyai @shipilev for your reviews

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PR Comment: https://git.openjdk.org/jdk/pull/29524#issuecomment-3841065114