RFR: 8278282: G1: Log basic statistics of evacuation failure [v2]

[Hamlin Li]

On Mon, 20 Dec 2021 02:38:57 GMT, Hamlin Li <mli at openjdk.org> wrote:

>> The original pr is at #6763 , which should be retired as we have decided to adjust part of optimization solution for evacuation failure (see #6627 for details), so the log will be adjusted accordiingly.
>> The basic log related to evacuation failed will looks like below based on this patch.
>> 
>> 
>> [13.126s][debug][gc,phases] GC(0)       Restore Retained Regions (ms): Min:  0.0, Avg: 197.4, Max: 1579.1, Diff: 1579.1, Sum: 1579.1, Workers: 8
>> [13.126s][debug][gc,phases] GC(0)         Evacuation Failure Regions:    Min: 1, Avg:  1.0, Max: 1, Diff: 0, Sum: 1, Workers: 1
>
> Hamlin Li has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fix test

Can I have another reviewer? Thanks

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PR: https://git.openjdk.java.net/jdk/pull/6860