RFR: 8278282: G1: Log basic statistics for evacuation failure [v3]

[Hamlin Li]

On Fri, 17 Dec 2021 12:04:38 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

>> Hamlin Li has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains three commits:
>> 
>>  - Merge branch 'master' into log-evac-failure-region-num
>>  - Fix test
>>  - Initial commit
>
> Lgtm apart from the omission of that log message check.
> 
> I assume that it's just not worth adding log messages for the sub phases (sorting, ...) of the evacuation failure handling since we decided on the other option using the prev bitmap already. That's fine.
> In any case we can always improve these messages.

Thanks @tschatzl @albertnetymk @walulyai for your reviews.

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