RFR: 8194823: Serial GC does not account GCs caused by TLAB allocation in GC overhead limit [v2]

Thu May 25 13:34:57 UTC 2023

On Thu, 25 May 2023 11:29:27 GMT, Guoxiong Li <gli at openjdk.org> wrote:

>> Hi all,
>> 
>> This patch enables the gc overhead limit when allocating TLAB in serial gc.
>> The main modification is at `GenCollectedHeap::allocate_new_tlab` and the other 
>> files only adjust the parameters of the method `allocate_new_tlab`.
>> 
>> Thanks for the review.
>> 
>> Best Regards,
>> -- Guoxiong
>
> Guoxiong Li has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fix parameter list formatting issues.

Do you have a small example to trigger `java.lang.OutOfMemoryError: GC Overhead Limit Exceeded` for Serial GC. I was under the impression that Serial doesn't support `UseGCOverheadLimit`.

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PR Comment: https://git.openjdk.org/jdk/pull/14120#issuecomment-1562916142