RFR: Detailed ParallelCleanupTask statistics

[Roman Kennke]

Am 14.07.2017 um 13:50 schrieb Aleksey Shipilev:
> I would like to have more insight in what ParallelCleanupTask is doing:
>   http://cr.openjdk.java.net/~shade/shenandoah/stats-parallelclean/webrev.01/
>
> Produces output like this:
>   http://cr.openjdk.java.net/~shade/shenandoah/stats-parallelclean/stats.txt
>
> Testing: hotspot_gc_shenandoah, some benchmarks
>
> Thanks,
> -Aleksey
>
This seems very useful, wanted to have this for some times. Change looks
good too!

Thanks,

Roman