hg: jdk/submit: 8241984: Shenandoah: enhance GCTimer and JFR support

[zgu at redhat.com]

Changeset: 13e20575efe1
Author:    zgu
Date:      2020-04-08 08:13 -0400
URL:       https://hg.openjdk.java.net/jdk/submit/rev/13e20575efe1

8241984: Shenandoah: enhance GCTimer and JFR support
Reviewed-by: rkennke

! src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp
! src/hotspot/share/gc/shenandoah/shenandoahUnload.cpp
! src/hotspot/share/gc/shenandoah/shenandoahUtils.cpp
! src/hotspot/share/gc/shenandoah/shenandoahUtils.hpp