RFR [8], 2018-07-30, Bulk backports to sh/jdk8

[Roman Kennke]

Am 31.07.2018 um 09:44 schrieb Aleksey Shipilev:
> http://cr.openjdk.java.net/~shade/shenandoah/backports/jdk8u-20180730/webrev.01/
> 
> This backports latest work to sh/jdk8:
> 
>  [backport] Trace and report total allocation latency and sizes
>  [backport] -XX:-UseTLAB should disable GCLABs too
>  [backport] Refactoring ShenandoahStrDedupStress test to reduce test time
>  [backport] Traversal should resize TLABs
>  [backport] Refactor to group marking bitmap and TAMS structure in one class ShenandoahMarkingContext
>  [backport] Refactor alive-closures to deal better with new marking contexts
>  [backport] Avoid indirection to next-mark-context
>  [backport] TLAB sizing policy should converge faster with Shenandoah
>  [backport] Move periodic GC decision making to GC heuristics base class
>  [backport] Handle missing ShenandoahWriteBarrierRB case
>  [backport] Move Shenandoah stress tests to tier3
> 
> Testing: hotspot_tier3_gc_shenandoah {fastdebug|release}
> 
> Thanks,
> -Aleksey
> 

Looks good! Thanks!
Roman