RFR (S): Print GC cycle ID (+ VMOperations cleanup)

[Roman Kennke]

Nice. Go!


Roman


Am Freitag, den 27.01.2017, 16:58 +0100 schrieb Aleksey Shipilev:
> Hi,
> 
> Let's finally have GC cycle IDs in the log:
>   http://cr.openjdk.java.net/~shade/shenandoah/gc-cycle-id/webrev.01/
> 
> Prints like G1:
> 
> [5.241s][info][gc] GC(1) Pause Init-Mark 3.008ms
> [5.525s][info][gc] GC(1) Concurrent marking 3076M->3152M(4096M)
> 283.962ms
> [5.531s][info][gc] GC(1) Pause Final Mark 3152M->1148M(4096M) 4.860ms
> [5.539s][info][gc] GC(1) Concurrent evacuation  1148M->1192M(4096M)
> 8.572ms
> [7.499s][info][gc] GC(2) Pause Init-Mark 5.103ms
> [7.777s][info][gc] GC(2) Concurrent marking 3084M->3250M(4096M)
> 277.868ms
> [7.783s][info][gc] GC(2) Pause Final Mark 3250M->2460M(4096M) 5.320ms
> [7.807s][info][gc] GC(2) Concurrent evacuation  2460M->2534M(4096M)
> 24.227ms
> [8.352s][info][gc] GC(3) Pause Init-Mark 0.576ms
> 
> Testing: hotspot_gc_shenandoah
> 
> Thanks,
> -Aleksey
>