RFR: 8151696: Print all regions on trace level to get same behavior as old PrintHeapAtGCExtended

[Jesper Wilhelmsson]

Looks good!
/Jesper

Den 11/3/16 kl. 11:50, skrev Stefan Johansson:
> Hi,
>
> Please review this change for RFE:
> https://bugs.openjdk.java.net/browse/JDK-8151696
>
> Webrev:
> http://cr.openjdk.java.net/~sjohanss/8151696/hotspot.00/
>
> Summary:
> After UL there was no way to turn on logging to get the same output as
> PrintHeapAtGCExtended had in the past. This change adds functionality back by
> printing regions on trace level for the tag-set (gc, heap, region). I've run the
> gc jtreg tests as sanity checking and the tests pass.
>
> Thanks,
> Stefan
>