hg: shenandoah/jdk9/hotspot: Use peak occupancy to optimize/pessimize free_threshold in adaptive heuristics.

[roman at kennke.org]

Changeset: 8ce3d737fe20
Author:    rkennke
Date:      2017-05-04 19:44 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/8ce3d737fe20

Use peak occupancy to optimize/pessimize free_threshold in adaptive heuristics.

! src/share/vm/gc/shenandoah/shenandoahCollectorPolicy.cpp
! src/share/vm/gc/shenandoah/shenandoahCollectorPolicy.hpp
! src/share/vm/gc/shenandoah/shenandoahHeap.cpp