RFR (S): 8135200: Add White Box method that enumerates G1 old regions with less than specified liveness and collects statistics.

[Thomas Schatzl]

Hi Kirill,

On Thu, 2015-09-24 at 21:56 +0300, Kirill Zhaldybin wrote:
> Mikael, Thomas,
> 
> Thank you for your comments.
> 
> Here are new webrevs:
> http://cr.openjdk.java.net/~kzhaldyb/webrevs/JDK-8135200/webrev.02/
> hotspot:
> http://cr.openjdk.java.net/~kzhaldyb/webrevs/JDK-8135200/hotspot/webr
> ev.02/

  seems to be correct. I am still a bit concerned about the need for
testing the function of mixed gcs.

Thanks,
  Thomas