1 /* 2 * Copyright (c) 2013, 2015, Red Hat, Inc. and/or its affiliates. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. 7 * 8 * This code is distributed in the hope that it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 11 * version 2 for more details (a copy is included in the LICENSE file that 12 * accompanied this code). 13 * 14 * You should have received a copy of the GNU General Public License version 15 * 2 along with this work; if not, write to the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 17 * 18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 * or visit www.oracle.com if you need additional information or have any 20 * questions. 21 * 22 */ 23 24 #include "precompiled.hpp" 25 #include "gc/shared/gcTraceTime.inline.hpp" 26 #include "gc/shared/vmGCOperations.hpp" 27 #include "gc/shenandoah/shenandoahConcurrentMark.inline.hpp" 28 #include "gc/shenandoah/shenandoahPhaseTimings.hpp" 29 #include "gc/shenandoah/shenandoahHeap.inline.hpp" 30 #include "gc/shenandoah/shenandoahMarkCompact.hpp" 31 #include "gc/shenandoah/shenandoahTraversalGC.hpp" 32 #include "gc/shenandoah/shenandoahUtils.hpp" 33 #include "gc/shenandoah/shenandoahVerifier.hpp" 34 #include "gc/shenandoah/shenandoahWorkGroup.hpp" 35 #include "gc/shenandoah/shenandoahWorkerPolicy.hpp" 36 #include "gc/shenandoah/vm_operations_shenandoah.hpp" 37 38 bool VM_ShenandoahReferenceOperation::doit_prologue() { 39 Heap_lock->lock(); 40 return true; 41 } 42 43 void VM_ShenandoahReferenceOperation::doit_epilogue() { 44 if (Universe::has_reference_pending_list()) { 45 Heap_lock->notify_all(); 46 } 47 Heap_lock->unlock(); 48 } 49 50 void VM_ShenandoahInitMark::doit() { 51 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::OTHER); 52 ShenandoahHeap::heap()->entry_init_mark(); 53 } 54 55 void VM_ShenandoahFinalMarkStartEvac::doit() { 56 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::OTHER); 57 ShenandoahHeap::heap()->entry_final_mark(); 58 } 59 60 void VM_ShenandoahFinalEvac::doit() { 61 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::OTHER); 62 ShenandoahHeap::heap()->entry_final_evac(); 63 } 64 65 void VM_ShenandoahFullGC::doit() { 66 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::FULL); 67 ShenandoahHeap::heap()->entry_full(_gc_cause); 68 } 69 70 void VM_ShenandoahDegeneratedGC::doit() { 71 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::OTHER); 72 ShenandoahHeap::heap()->entry_degenerated(_point); 73 } 74 75 void VM_ShenandoahInitTraversalGC::doit() { 76 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::OTHER); 77 ShenandoahHeap::heap()->entry_init_traversal(); 78 } 79 80 void VM_ShenandoahFinalTraversalGC::doit() { 81 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::OTHER); 82 ShenandoahHeap::heap()->entry_final_traversal(); 83 } 84 85 void VM_ShenandoahInitUpdateRefs::doit() { 86 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::OTHER); 87 ShenandoahHeap::heap()->entry_init_updaterefs(); 88 } 89 90 void VM_ShenandoahFinalUpdateRefs::doit() { 91 ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::OTHER); 92 ShenandoahHeap::heap()->entry_final_updaterefs(); 93 }