RFR: JDK-8152300: Convert G1_ALLOC_REGION_TRACING to unified logging

Tue Mar 22 09:29:24 UTC 2016

Hi Bengt,

On 2016-03-22 10:18, Bengt Rutisson wrote:
>
> Hi again,
>
> Got some internal feedback from Stefan and Stefan. Here's an updated 
> webrev:
>
> http://cr.openjdk.java.net/~brutisso/8152300/webrev.01/
>
Looks good,

Stefan

> And here's a diff compared to the last version:
>
> http://cr.openjdk.java.net/~brutisso/8152300/webrev.00-01.diff/
>
> Thanks,
> Bengt
>
> On 2016-03-21 14:40, Bengt Rutisson wrote:
>>
>> Hi all,
>>
>> Could I have a couple of reviews for this change?
>>
>> http://cr.openjdk.java.net/~brutisso/8152300/webrev.00/
>> https://bugs.openjdk.java.net/browse/JDK-8152300
>>
>> Currently there is a define called G1_ALLOC_REGION_TRACING in the G1 
>> code. It respresents two levels of logging in non-product builds.
>>
>> We should use the unified logging framework for this logging instead.
>>
>> The proposed patch converts the two levels of logging guarded by 
>> G1_ALLOC_REGION_TRACING to debug and trace level logging at develop 
>> level. This means that the logging is not available in product 
>> builds. The call to the trace() method is now guarded by ifndef 
>> PRODUCT to make sure we don't have any regressions in the production 
>> code.
>>
>> I am not convinced the logic inside the trace method is completely 
>> correct. But it is the same as the old logging. Maybe now that the 
>> logging is easier to find someone will take the time to use it and 
>> see if it logs the relevant information. This patch merely converts 
>> the old logging to use the unified logging framework.
>>
>> An unusual part of this logging is that  you will get either the 
>> debug or the trace logging. Normally I have tried to avoid that type 
>> of situation and instead log one line at debug and another at trace. 
>> However, since I wanted to keep the format intact with the old 
>> version I opted for this solution now.
>>
>> Below are some examples.
>>
>> Thanks,
>> Bengt
>>
>> Old G1_ALLOC_REGION_TRACING=2 logging:
>>
>> [3,135s][info][gc] GC(4) Pause Young (G1 Evacuation Pause) 
>> 16M->17M(64M) (3,000s, 3,135s) 135,927ms
>> [Mutator Alloc Region] 0 DUMMY : alloc failed min 256 desired 256
>> [Mutator Alloc Region] 0 DUMMY : retiring
>> [Mutator Alloc Region] 0 DUMMY : retired
>> [Mutator Alloc Region] 0 DUMMY : attempting region allocation
>> [Mutator Alloc Region] 0 DUMMY : update
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff00800,0x0000000100000000] : 
>> updated
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff00800,0x0000000100000000] : 
>> region allocation successful
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff00800,0x0000000100000000] : 
>> alloc locked (second attempt) min 256 desired 256 actual 256 
>> 0x00000000fff00000
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff0a890,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fff00800
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff14920,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fff0a890
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff1e9b0,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fff14920
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff28a40,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fff1e9b0
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff32ad0,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fff28a40
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff3cb60,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fff32ad0
>> [Mut[2,005s][info][gc] GC(38) Pause Young (G1 Evacuation Pause) 
>> 62M->61M(64M) (1,994s, 2,005s) 11,055ms
>> [Mutator Alloc Region] 0 DUMMY : alloc failed
>> [Mutator Alloc Region] 0 DUMMY : retiring
>> [Mutator Alloc Region] 0 DUMMY : retired
>> [Mutator Alloc Region] 0 DUMMY : attempting region allocation
>> [Mutator Alloc Region] 0 DUMMY : update
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff00800,0x0000000100000000] : 
>> updated
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff00800,0x0000000100000000] : 
>> region allocation successful
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x0000000100000000,0x0000000100000000] : 
>> alloc failed
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x0000000100000000,0x0000000100000000] : 
>> alloc failed
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x0000000100000000,0x0000000100000000] : 
>> retiring
>> [Mutator Alloc Region] 1 DUMMY : retired
>> [Mutator Alloc Region] 1 DUMMY : attempting region allocation
>> [Mutator Alloc Region] 1 DUMMY : update
>> [Mutator Alloc Region] 2 
>> 62:(E)[0x00000000ffe00000,0x00000000ffe00800,0x00000000fff00000] : 
>> updated
>> [Mutator Alloc Region] 2 
>> 62:(E)[0x00000000ffe00000,0x00000000ffe00800,0x00000000fff00000] : 
>> region allocation successful
>> [Mutator Alloc Region] 2 
>> 62:(E)[0x00000000ffe00000,0x00000000fff00000,0x00000000fff00000] : 
>> alloc failed
>> [Mutator Alloc Region] 2 
>> 62:(E)[0x00000000ffe00000,0x00000000fff00000,0x00000000fff00000] : 
>> alloc failed
>> [Mutator Alloc Region] 2 
>> 62:(E)[0x00000000ffe00000,0x00000000fff00000,0x00000000fff00000] : 
>> retiring
>> [Mutator Alloc Region] 2 DUMMY : retired
>> [Mutator Alloc Region] 2 DUMMY : attempting region allocation
>> [Mutator Alloc Region] 2 DUMMY : region allocation failed
>> [Mutator Alloc Region] 2 DUMMY : alloc locked failed
>> [Mutator Alloc Region] 2 DUMMY : alloc failed
>> [Mutator Alloc Region] 2 DUMMY : retiring
>> [Mutator Alloc Region] 2 DUMMY : retired
>> [Mutator Alloc Region] 2 DUMMY : attempting region allocation
>> [Mutator Alloc Region] 2 DUMMY : region allocation failed
>> [Mutator Alloc Region] 2 DUMMY : alloc locked failed
>> [Mutator Alloc Region] 2 DUMMY : releasing
>> [Mutator Alloc Region] 2 DUMMY : retiring
>> [Mutator Alloc Region] 2 DUMMY : retired
>> [Mutator Alloc Region] 2 NULL : released
>> [Survivor GC Alloc Region] 1 NULL : initializing
>> [Survivor GC Alloc Region] 0 DUMMY : initialized
>> ator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff46bf0,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fff3cb60
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff50c80,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fff46bf0
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff5ad10,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fff50c80
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff64da0,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fff5ad10
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff6ee30,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fff64da0
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff78ec0,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fff6ee30
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff82f50,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fff78ec0
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff8cfe0,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fff82f50
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff97070,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fff8cfe0
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fffa1100,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fff97070
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fffab190,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fffa1100
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fffb5220,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fffab190
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fffbf2b0,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fffb5220
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fffc9340,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fffbf2b0
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fffd33d0,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fffc9340
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fffdd460,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fffd33d0
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fffe74f0,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fffdd460
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000ffff1580,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000fffe74f0
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000ffffb610,0x0000000100000000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000ffff1580
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x0000000100000000,0x0000000100000000] : 
>> alloc min 2366 desired 2366 actual 2366 0x00000000ffffb610
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x0000000100000000,0x0000000100000000] : 
>> alloc failed min 256 desired 256
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x0000000100000000,0x0000000100000000] : 
>> alloc failed min 256 desired 256
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x0000000100000000,0x0000000100000000] : 
>> retiring
>> [Mutator Alloc Region] 1 DUMMY : retired
>> [Mutator Alloc Region] 1 DUMMY : attempting region allocation
>> [Mutator Alloc Region] 1 DUMMY : update
>> [Mutator Alloc Region] 2 
>> 62:(E)[0x00000000ffe00000,0x00000000ffe00800,0x00000000fff00000] : 
>> updated
>> [Mutator Alloc Region] 2 
>> 62:(E)[0x00000000ffe00000,0x00000000ffe00800,0x00000000fff00000] : 
>> region allocation successful
>> [Mutator Alloc Region] 2 
>> 62:(E)[0x00000000ffe00000,0x00000000ffe00800,0x00000000fff00000] : 
>> alloc locked (second attempt) min 256 desired 256 actual 256 
>> 0x00000000ffe00000
>> [Mutator Alloc Region] 2 
>> 62:(E)[0x00000000ffe00000,0x00000000ffe0a890,0x00000000fff00000] : 
>> alloc min 5138 desired 5138 actual 5138 0x00000000ffe00800
>>
>>
>>
>> Old G1_ALLOC_REGION_TRACING=1 logging:
>>
>> [Mutator Alloc Region] 0 DUMMY : alloc failed
>> [Mutator Alloc Region] 0 DUMMY : retiring
>> [Mutator Alloc Region] 0 DUMMY : retired
>> [Mutator Alloc Region] 0 DUMMY : attempting region allocation
>> [Mutator Alloc Region] 0 DUMMY : update
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff00800,0x0000000100000000] : 
>> updated
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff00800,0x0000000100000000] : 
>> region allocation successful
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x0000000100000000,0x0000000100000000] : 
>> alloc failed
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x0000000100000000,0x0000000100000000] : 
>> alloc failed
>> [Mutator Alloc Region] 1 
>> 63:(E)[0x00000000fff00000,0x0000000100000000,0x0000000100000000] : 
>> retiring
>> [Mutator Alloc Region] 1 DUMMY : retired
>> [Mutator Alloc Region] 1 DUMMY : attempting region allocation
>> [Mutator Alloc Region] 1 DUMMY : update
>> [Mutator Alloc Region] 2 
>> 62:(E)[0x00000000ffe00000,0x00000000ffe00800,0x00000000fff00000] : 
>> updated
>> [Mutator Alloc Region] 2 
>> 62:(E)[0x00000000ffe00000,0x00000000ffe00800,0x00000000fff00000] : 
>> region allocation successful
>> [Mutator Alloc Region] 2 
>> 62:(E)[0x00000000ffe00000,0x00000000fff00000,0x00000000fff00000] : 
>> alloc failed
>> [Mutator Alloc Region] 2 
>> 62:(E)[0x00000000ffe00000,0x00000000fff00000,0x00000000fff00000] : 
>> alloc failed
>> [Mutator Alloc Region] 2 
>> 62:(E)[0x00000000ffe00000,0x00000000fff00000,0x00000000fff00000] : 
>> retiring
>> [Mutator Alloc Region] 2 DUMMY : retired
>> [Mutator Alloc Region] 2 DUMMY : attempting region allocation
>> [Mutator Alloc Region] 2 DUMMY : region allocation failed
>> [Mutator Alloc Region] 2 DUMMY : alloc locked failed
>> [Mutator Alloc Region] 2 DUMMY : alloc failed
>> [Mutator Alloc Region] 2 DUMMY : retiring
>> [Mutator Alloc Region] 2 DUMMY : retired
>> [Mutator Alloc Region] 2 DUMMY : attempting region allocation
>> [Mutator Alloc Region] 2 DUMMY : region allocation failed
>> [Mutator Alloc Region] 2 DUMMY : alloc locked failed
>> [Mutator Alloc Region] 2 DUMMY : releasing
>> [Mutator Alloc Region] 2 DUMMY : retiring
>> [Mutator Alloc Region] 2 DUMMY : retired
>> [Mutator Alloc Region] 2 NULL : released
>> [Survivor GC Alloc Region] 1 NULL : initializing
>> [Survivor GC Alloc Region] 0 DUMMY : initialized
>>
>>
>> New -Xlog:gc+alloc+region=debug logging:
>>
>> [1,598s][debug][gc,alloc,region] Mutator Alloc Region: 0 DUMMY : retired
>> [1,598s][debug][gc,alloc,region] Mutator Alloc Region: 0 DUMMY : 
>> attempting region allocation
>> [1,598s][debug][gc,alloc,region] Mutator Alloc Region: 0 DUMMY : 
>> region allocation failed
>> [1,598s][debug][gc,alloc,region] Mutator Alloc Region: 0 DUMMY : 
>> alloc locked failed
>> [1,598s][debug][gc,alloc,region] Mutator Alloc Region: 0 DUMMY : 
>> alloc failed
>> [1,598s][debug][gc,alloc,region] Mutator Alloc Region: 0 DUMMY : 
>> retiring
>> [1,598s][debug][gc,alloc,region] Mutator Alloc Region: 0 DUMMY : retired
>> [1,598s][debug][gc,alloc,region] Mutator Alloc Region: 0 DUMMY : 
>> attempting region allocation
>> [1,598s][debug][gc,alloc,region] Mutator Alloc Region: 0 DUMMY : 
>> region allocation failed
>> [1,598s][debug][gc,alloc,region] Mutator Alloc Region: 0 DUMMY : 
>> alloc locked failed
>> [1,598s][debug][gc,alloc,region] GC(14) Mutator Alloc Region: 0 DUMMY 
>> : releasing
>> [1,598s][debug][gc,alloc,region] GC(14) Mutator Alloc Region: 0 DUMMY 
>> : retiring
>> [1,598s][debug][gc,alloc,region] GC(14) Mutator Alloc Region: 0 DUMMY 
>> : retired
>> [1,598s][debug][gc,alloc,region] GC(14) Mutator Alloc Region: 0 NULL 
>> : released
>> [1,598s][debug][gc,alloc,region] GC(14) Survivor GC Alloc Region: 1 
>> NULL : initializing
>> [1,598s][debug][gc,alloc,region] GC(14) Survivor GC Alloc Region: 0 
>> DUMMY : initialized
>> [1,598s][debug][gc,alloc,region] GC(14) Old GC Alloc Region: 2 NULL : 
>> initializing
>> [1,598s][debug][gc,alloc,region] GC(14) Old GC Alloc Region: 0 DUMMY 
>> : initialized
>> [1,599s][debug][gc,alloc,region] GC(14) Old GC Alloc Region: 0 DUMMY 
>> : alloc failed
>> [1,599s][debug][gc,alloc,region] GC(14) Old GC Alloc Region: 0 DUMMY 
>> : alloc failed
>>
>>
>>
>>
>> New -Xlog:gc+alloc+region=trace logging:
>>
>>
>>
>> [3,109s][trace][gc,alloc,region] GC(0) Old GC Alloc Region: 9 
>> 8:(O)[0x00000000fc800000,0x00000000fc89e3a0,0x00000000fc900000] : 
>> alloc min 5 desired 258 actual 258 0x00000000fc89db90
>> [3,142s][trace][gc,alloc,region] GC(0) Old GC Alloc Region: 9 
>> 8:(O)[0x00000000fc800000,0x00000000fc8a1400,0x00000000fc900000] : 
>> alloc min 5 desired 258 actual 258 0x00000000fc8a0bf0
>> [3,108s][trace][gc,alloc,region] GC(0) Old GC Alloc Region: 9 
>> 8:(O)[0x00000000fc800000,0x00000000fc894260,0x00000000fc900000] : 
>> alloc min 5 desired 258 actual 258 0x00000000fc893a50
>> [3,141s][trace][gc,alloc,region] GC(0) Old GC Alloc Region: 9 
>> 8:(O)[0x00000000fc800000,0x00000000fc8a03e0,0x00000000fc900000] : 
>> alloc min 5 desired 258 actual 258 0x00000000fc89fbd0
>> [3,141s][trace][gc,alloc,region] GC(0) Old GC Alloc Region: 9 
>> 8:(O)[0x00000000fc800000,0x00000000fc8a0bf0,0x00000000fc900000] : 
>> alloc min 5 desired 258 actual 258 0x00000000fc8a03e0
>> [3,108s][trace][gc,alloc,region] GC(0) Old GC Alloc Region: 9 
>> 8:(O)[0x00000000fc800000,0x00000000fc8972c0,0x00000000fc900000] : 
>> alloc min 5 desired 258 actual 258 0x00000000fc896ab0
>> [3,108s][trace][gc,alloc,region] GC(0) Old GC Alloc Region: 9 
>> 8:(O)[0x00000000fc800000,0x00000000fc897ad0,0x00000000fc900000] : 
>> alloc min 5 desired 258 actual 258 0x00000000fc8972c0
>> [3,147s][trace][gc,alloc,region] GC(0) Survivor GC Alloc Region: 2 
>> DUMMY : releasing
>> [3,147s][trace][gc,alloc,region] GC(0) Survivor GC Alloc Region: 2 
>> DUMMY : retiring
>> [3,147s][trace][gc,alloc,region] GC(0) Survivor GC Alloc Region: 2 
>> DUMMY : retired
>> [3,147s][trace][gc,alloc,region] GC(0) Survivor GC Alloc Region: 2 
>> NULL : released
>> [3,147s][trace][gc,alloc,region] GC(0) Old GC Alloc Region: 9 
>> 8:(O)[0x00000000fc800000,0x00000000fc8a1400,0x00000000fc900000] : 
>> releasing
>> [3,148s][trace][gc,alloc,region] GC(0) Old GC Alloc Region: 9 
>> 8:(O)[0x00000000fc800000,0x00000000fc8a1400,0x00000000fc900000] : 
>> retiring
>> [3,148s][trace][gc,alloc,region] GC(0) Old GC Alloc Region: 9 DUMMY : 
>> retired
>> [3,148s][trace][gc,alloc,region] GC(0) Old GC Alloc Region: 9 NULL : 
>> released
>> [3,151s][trace][gc,alloc,region] GC(0) Mutator Alloc Region: 12 NULL 
>> : initializing
>> [3,151s][trace][gc,alloc,region] GC(0) Mutator Alloc Region: 0 DUMMY 
>> : initialized
>> [3,151s][trace][gc,alloc,region] Mutator Alloc Region: 0 DUMMY : 
>> alloc failed min 256 desired 256
>> [3,151s][trace][gc,alloc,region] Mutator Alloc Region: 0 DUMMY : 
>> retiring
>> [3,151s][trace][gc,alloc,region] Mutator Alloc Region: 0 DUMMY : retired
>> [3,151s][trace][gc,alloc,region] Mutator Alloc Region: 0 DUMMY : 
>> attempting region allocation
>> [3,151s][trace][gc,alloc,region] Mutator Alloc Region: 0 DUMMY : update
>> [3,151s][trace][gc,alloc,region] Mutator Alloc Region: 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff00800,0x0000000100000000] : 
>> updated
>> [3,151s][trace][gc,alloc,region] Mutator Alloc Region: 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff00800,0x0000000100000000] : 
>> region allocation successful
>> [3,151s][trace][gc,alloc,region] Mutator Alloc Region: 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff00800,0x0000000100000000] : 
>> alloc locked (second attempt) min 256 desired 256 actual 256 
>> 0x00000000fff00000
>> [3,151s][trace][gc,alloc,region] Mutator Alloc Region: 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff05768,0x0000000100000000] : 
>> alloc min 2541 desired 2541 actual 2541 0x00000000fff00800
>> [3,152s][trace][gc,alloc,region] Mutator Alloc Region: 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff0a6d0,0x0000000100000000] : 
>> alloc min 2541 desired 2541 actual 2541 0x00000000fff05768
>> [3,152s][trace][gc,alloc,region] Mutator Alloc Region: 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff0f638,0x0000000100000000] : 
>> alloc min 2541 desired 2541 actual 2541 0x00000000fff0a6d0
>> [3,152s][trace][gc,alloc,region] Mutator Alloc Region: 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff145a0,0x0000000100000000] : 
>> alloc min 2541 desired 2541 actual 2541 0x00000000fff0f638
>> [3,152s][trace][gc,alloc,region] Mutator Alloc Region: 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff19508,0x0000000100000000] : 
>> alloc min 2541 desired 2541 actual 2541 0x00000000fff145a0
>> [3,152s][trace][gc,alloc,region] Mutator Alloc Region: 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff1e470,0x0000000100000000] : 
>> alloc min 2541 desired 2541 actual 2541 0x00000000fff19508
>> [3,152s][trace][gc,alloc,region] Mutator Alloc Region: 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff236c0,0x0000000100000000] : 
>> alloc min 2634 desired 2634 actual 2634 0x00000000fff1e470
>> [3,152s][trace][gc,alloc,region] Mutator Alloc Region: 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff28628,0x0000000100000000] : 
>> alloc min 2541 desired 2541 actual 2541 0x00000000fff236c0
>> [3,152s][trace][gc,alloc,region] Mutator Alloc Region: 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff2d590,0x0000000100000000] : 
>> alloc min 2541 desired 2541 actual 2541 0x00000000fff28628
>> [3,152s][trace][gc,alloc,region] Mutator Alloc Region: 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff324f8,0x0000000100000000] : 
>> alloc min 2541 desired 2541 actual 2541 0x00000000fff2d590
>> [3,152s][trace][gc,alloc,region] Mutator Alloc Region: 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff37460,0x0000000100000000] : 
>> alloc min 2541 desired 2541 actual 2541 0x00000000fff324f8
>> [3,152s][trace][gc,alloc,region] Mutator Alloc Region: 1 
>> 63:(E)[0x00000000fff00000,0x00000000fff3c3c8,0x0000000100000000] : 
>> alloc min 2541 desired 2541 actual 2541 0x00000000fff37460
>>
>