RFR(L): 8220312: Implementation: NUMA-Aware Memory Allocation for G1, Logging (3/3)

[sangheon.kim at oracle.com]

Hi all,

Please review this patch making G1 NUMA aware.
This is the last part of G1 NUMA implementation:
- Adding logs and stat.

CR: https://bugs.openjdk.java.net/browse/JDK-8220312
Webrev: http://cr.openjdk.java.net/~sangheki/8220312/webrev.0
Testing: hs-tier 1 ~ 8 with +- UseNUMA

Thanks,
Sangheon