RFR: 8267937: Wrong indentation in G1 gc+phases log for free cset subphases

[Thomas Schatzl]

On Fri, 28 May 2021 15:09:00 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Hi all,
>> 
>>   JDK-8214327: Join parallel phases post evacuation messed up some indentation of logging:
>>   
>> The current gc+phases=trace looks as follows:
>>  ```
>> [0.059s][debug][gc,phases   ] GC(1)       Redirty Logged Cards (ms):     Min:  0.0, Avg:  0.0, Max:  0.0, Diff:  0.0, Sum:  0.0, Workers: 3
>> [0.059s][debug][gc,phases   ] GC(1)         Redirtied Cards:               Min: 0, Avg: 184.3, Max: 531, Diff: 531, Sum: 553, Workers: 3
>> [0.059s][debug][gc,phases   ] GC(1)       Free Collection Set (ms):      Min:  0.0, Avg:  0.0, Max:  0.0, Diff:  0.0, Sum:  0.0, Workers: 3
>> [0.059s][trace][gc,phases   ] GC(1)           Young Free Collection Set (ms): Min:  0.0, Avg:  0.0, Max:  0.0, Diff:  0.0, Sum:  0.0, Workers: 1
>> [0.059s][trace][gc,phases   ] GC(1)           Non-Young Free Collection Set (ms): skipped
>> 
>> `Young Free Collection Set` and `Non-Young Free Collection set` are indented one level too many.
>> 
>> This change fixes this.
>> 
>> Testing: manual testing, there is no indentation check for log messages
>> 
>> Thanks,
>>   Thomas
>
> Marked as reviewed by ayang (Committer).

Thanks @albertnetymk @kstefanj for your reviews.

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PR: https://git.openjdk.java.net/jdk/pull/4249