hg: jdk/submit: 6672778: G1 should trim task queues more aggressively during evacuation pauses

[thomas.schatzl at oracle.com]

Changeset: 358be4680d12
Author:    tschatzl
Date:      2018-04-27 12:06 +0200
URL:       http://hg.openjdk.java.net/jdk/submit/rev/358be4680d12

6672778: G1 should trim task queues more aggressively during evacuation pauses
Summary: Regularly try to drain task queues. This helps memory usage and performance during garbage collection.
Reviewed-by: sjohanss, sangheki

- src/hotspot/share/gc/g1/bufferingOopClosure.hpp
! src/hotspot/share/gc/g1/g1Arguments.cpp
! src/hotspot/share/gc/g1/g1CollectedHeap.cpp
! src/hotspot/share/gc/g1/g1GCPhaseTimes.cpp
! src/hotspot/share/gc/g1/g1GCPhaseTimes.hpp
! src/hotspot/share/gc/g1/g1OopClosures.cpp
! src/hotspot/share/gc/g1/g1OopClosures.hpp
! src/hotspot/share/gc/g1/g1OopClosures.inline.hpp
! src/hotspot/share/gc/g1/g1ParScanThreadState.cpp
! src/hotspot/share/gc/g1/g1ParScanThreadState.hpp
! src/hotspot/share/gc/g1/g1ParScanThreadState.inline.hpp
! src/hotspot/share/gc/g1/g1Policy.cpp
! src/hotspot/share/gc/g1/g1RemSet.cpp
! src/hotspot/share/gc/g1/g1RemSet.hpp
! src/hotspot/share/gc/g1/g1RootClosures.cpp
! src/hotspot/share/gc/g1/g1RootClosures.hpp
! src/hotspot/share/gc/g1/g1RootProcessor.cpp
! src/hotspot/share/gc/g1/g1RootProcessor.hpp
! src/hotspot/share/gc/g1/g1SharedClosures.hpp
! src/hotspot/share/gc/shared/taskqueue.hpp
! src/hotspot/share/gc/shared/taskqueue.inline.hpp
! src/hotspot/share/utilities/ticks.hpp
! src/hotspot/share/utilities/ticks.inline.hpp
- test/hotspot/gtest/gc/g1/test_bufferingOopClosure.cpp