git: openjdk/mobile: 8241984: Shenandoah: enhance GCTimer and JFR support

[duke]

Changeset: 9292b400
Author:    Zhengyu Gu <zgu at openjdk.org>
Date:      2020-04-08 08:13:22 +0000
URL:       https://git.openjdk.java.net/mobile/commit/9292b400

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