hg: jdk/sandbox: 8212206: Refactor AdaptiveSizePolicy to separate out code related to GC overhead

[chris.hegarty at oracle.com]

Changeset: ab87b06dfdc0
Author:    manc
Date:      2019-01-15 15:59 -0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/ab87b06dfdc0

8212206: Refactor AdaptiveSizePolicy to separate out code related to GC overhead
Summary: Move check_gc_overhead_limit() and related code to its own class
Reviewed-by: tschatzl, pliden, jiangli

! src/hotspot/share/gc/cms/concurrentMarkSweepGeneration.cpp
! src/hotspot/share/gc/parallel/psGCAdaptivePolicyCounters.cpp
! src/hotspot/share/gc/parallel/psGCAdaptivePolicyCounters.hpp
! src/hotspot/share/gc/parallel/psMarkSweep.cpp
! src/hotspot/share/gc/parallel/psParallelCompact.cpp
! src/hotspot/share/gc/parallel/psScavenge.cpp
! src/hotspot/share/gc/shared/adaptiveSizePolicy.cpp
! src/hotspot/share/gc/shared/adaptiveSizePolicy.hpp
+ src/hotspot/share/gc/shared/gcOverheadChecker.cpp
+ src/hotspot/share/gc/shared/gcOverheadChecker.hpp
! src/hotspot/share/gc/shared/gcPolicyCounters.cpp
! src/hotspot/share/gc/shared/gcPolicyCounters.hpp
! src/hotspot/share/gc/shared/gc_globals.hpp