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8255019: Shenandoah: Split STW and concurrent mark into separate classes

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Reviewed-by: rkennke, shade
This commit is contained in:
Zhengyu Gu 2021-01-14 17:42:52 +00:00
parent aba3431c4e
commit da6bcf966a
20 changed files with 943 additions and 631 deletions
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9
src/hotspot/share/gc/shenandoah/shenandoahControlThread.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, 2020, Red Hat, Inc. All rights reserved.
* Copyright (c) 2013, 2021, Red Hat, Inc. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -24,12 +24,13 @@
#include "precompiled.hpp"
#include "gc/shenandoah/shenandoahConcurrentMark.inline.hpp"
#include "gc/shenandoah/shenandoahConcurrentMark.hpp"
#include "gc/shenandoah/shenandoahCollectorPolicy.hpp"
#include "gc/shenandoah/shenandoahControlThread.hpp"
#include "gc/shenandoah/shenandoahFreeSet.hpp"
#include "gc/shenandoah/shenandoahPhaseTimings.hpp"
#include "gc/shenandoah/shenandoahHeap.inline.hpp"
#include "gc/shenandoah/shenandoahMark.inline.hpp"
#include "gc/shenandoah/shenandoahMonitoringSupport.hpp"
#include "gc/shenandoah/shenandoahRootProcessor.inline.hpp"
#include "gc/shenandoah/shenandoahUtils.hpp"
@ -397,6 +398,10 @@ void ShenandoahControlThread::service_concurrent_normal_cycle(GCCause::Cause cau
// Start initial mark under STW
heap->vmop_entry_init_mark();
// Concurrent mark roots
heap->entry_mark_roots();
if (check_cancellation_or_degen(ShenandoahHeap::_degenerated_outside_cycle)) return;
// Continue concurrent mark
heap->entry_mark();
if (check_cancellation_or_degen(ShenandoahHeap::_degenerated_mark)) return;