hg: shenandoah/jdk: Comprehensible GC trigger logging

[shade at redhat.com]

Changeset: eb18bd55b85c
Author:    shade
Date:      2018-08-21 19:35 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/eb18bd55b85c

Comprehensible GC trigger logging

! src/hotspot/share/gc/shenandoah/heuristics/shenandoahAdaptiveHeuristics.cpp
! src/hotspot/share/gc/shenandoah/heuristics/shenandoahAggressiveHeuristics.cpp
! src/hotspot/share/gc/shenandoah/heuristics/shenandoahCompactHeuristics.cpp
! src/hotspot/share/gc/shenandoah/heuristics/shenandoahPartialConnectedHeuristics.cpp
! src/hotspot/share/gc/shenandoah/heuristics/shenandoahPartialGenerationalHeuristics.cpp
! src/hotspot/share/gc/shenandoah/heuristics/shenandoahPartialLRUHeuristics.cpp
! src/hotspot/share/gc/shenandoah/heuristics/shenandoahStaticHeuristics.cpp
! src/hotspot/share/gc/shenandoah/heuristics/shenandoahTraversalHeuristics.cpp
! src/hotspot/share/gc/shenandoah/shenandoahControlThread.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeuristics.cpp
! test/hotspot/jtreg/gc/shenandoah/TestPeriodicGC.java