src/hotspot/share/gc/shenandoah/shenandoahVMOperations.cpp
author rkennke
Mon, 10 Dec 2018 15:47:44 +0100
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8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental) Reviewed-by: kvn, roland, shade, coleenp, lmesnik, pliden, jgeorge, ihse, erikj Contributed-by: Christine Flood <chf@redhat.com>, Aleksey Shipilev <shade@redhat.com>, Roland Westrelin <rwestrel@redhat.com>, Zhenygu Gu <zgu@redhat.com>, Andrew Haley <aph@redhat.com>, Andrew Dinn <adinn@redhat.com>, Mario Torre <mtorre@redhat.com>, Roman Kennke <rkennke@redhat.com>
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/*
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 * Copyright (c) 2013, 2018, Red Hat, Inc. All rights reserved.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "gc/shenandoah/shenandoahHeap.inline.hpp"
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#include "gc/shenandoah/shenandoahUtils.hpp"
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#include "gc/shenandoah/shenandoahVMOperations.hpp"
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bool VM_ShenandoahReferenceOperation::doit_prologue() {
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  Heap_lock->lock();
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  return true;
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}
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void VM_ShenandoahReferenceOperation::doit_epilogue() {
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  if (Universe::has_reference_pending_list()) {
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    Heap_lock->notify_all();
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  }
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  Heap_lock->unlock();
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}
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void VM_ShenandoahInitMark::doit() {
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  ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
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  ShenandoahHeap::heap()->entry_init_mark();
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}
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void VM_ShenandoahFinalMarkStartEvac::doit() {
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  ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
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  ShenandoahHeap::heap()->entry_final_mark();
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}
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void VM_ShenandoahFinalEvac::doit() {
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  ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
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  ShenandoahHeap::heap()->entry_final_evac();
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}
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void VM_ShenandoahFullGC::doit() {
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  ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::FULL);
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  ShenandoahHeap::heap()->entry_full(_gc_cause);
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}
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void VM_ShenandoahDegeneratedGC::doit() {
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  ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
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  ShenandoahHeap::heap()->entry_degenerated(_point);
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}
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void VM_ShenandoahInitTraversalGC::doit() {
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  ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
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  ShenandoahHeap::heap()->entry_init_traversal();
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}
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void VM_ShenandoahFinalTraversalGC::doit() {
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  ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
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  ShenandoahHeap::heap()->entry_final_traversal();
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}
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void VM_ShenandoahInitUpdateRefs::doit() {
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  ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
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  ShenandoahHeap::heap()->entry_init_updaterefs();
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}
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void VM_ShenandoahFinalUpdateRefs::doit() {
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  ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::CONCURRENT);
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  ShenandoahHeap::heap()->entry_final_updaterefs();
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}