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 #ifndef SHARE_VM_GC_SHENANDOAH_VM_OPERATIONS_SHENANDOAH_HPP 25 #define SHARE_VM_GC_SHENANDOAH_VM_OPERATIONS_SHENANDOAH_HPP 26 27 #include "gc/shenandoah/shenandoahConcurrentMark.hpp" 28 #include "gc/shared/vmGCOperations.hpp" 29 30 // VM_operations for the Shenandoah Collector. 31 // 32 // VM_ShenandoahOperation 33 // - VM_ShenandoahInitMark: initiate concurrent marking 34 // - VM_ShenandoahReferenceOperation: 35 // - VM_ShenandoahFinalMarkStartEvac: finish up concurrent marking, and start evacuation 36 // - VM_ShenandoahInitUpdateRefs: initiate update references 37 // - VM_ShenandoahFinalUpdateRefs: finish up update references 38 // - VM_ShenandoahFullGC: do full GC 39 // - VM_ShenandoahPartialGC: do partial GC 40 41 class VM_ShenandoahOperation : public VM_Operation { 42 protected: 43 uint _gc_id; 44 public: 45 VM_ShenandoahOperation() : _gc_id(GCId::current()) {}; 46 }; 47 48 class VM_ShenandoahReferenceOperation : public VM_ShenandoahOperation { 49 public: 50 VM_ShenandoahReferenceOperation() : VM_ShenandoahOperation() {}; 51 bool doit_prologue(); 52 void doit_epilogue(); 53 }; 54 55 class VM_ShenandoahInitMark: public VM_ShenandoahOperation { 56 public: 57 VM_ShenandoahInitMark() : VM_ShenandoahOperation() {}; 58 VM_Operation::VMOp_Type type() const { return VMOp_ShenandoahInitMark; } 59 const char* name() const { return "Shenandoah Init Marking"; } 60 virtual void doit(); 61 }; 62 63 class VM_ShenandoahFinalMarkStartEvac: public VM_ShenandoahReferenceOperation { 64 public: 65 VM_ShenandoahFinalMarkStartEvac() : VM_ShenandoahReferenceOperation() {}; 66 VM_Operation::VMOp_Type type() const { return VMOp_ShenandoahFinalMarkStartEvac; } 67 const char* name() const { return "Shenandoah Final Mark and Start Evacuation"; } 68 virtual void doit(); 69 }; 70 71 class VM_ShenandoahFullGC : public VM_ShenandoahReferenceOperation { 72 private: 73 GCCause::Cause _gc_cause; 74 public: 75 VM_ShenandoahFullGC(GCCause::Cause gc_cause) : VM_ShenandoahReferenceOperation(), _gc_cause(gc_cause) {}; 76 VM_Operation::VMOp_Type type() const { return VMOp_ShenandoahFullGC; } 77 const char* name() const { return "Shenandoah Full GC"; } 78 virtual void doit(); 79 }; 80 81 class VM_ShenandoahPartialGC: public VM_ShenandoahOperation { 82 public: 83 VM_ShenandoahPartialGC() : VM_ShenandoahOperation() {}; 84 VM_Operation::VMOp_Type type() const { return VMOp_ShenandoahPartialGC; } 85 const char* name() const { return "Shenandoah Partial Collection"; } 86 virtual void doit(); 87 }; 88 89 class VM_ShenandoahInitUpdateRefs: public VM_ShenandoahOperation { 90 public: 91 VM_ShenandoahInitUpdateRefs() : VM_ShenandoahOperation() {}; 92 VM_Operation::VMOp_Type type() const { return VMOp_ShenandoahInitUpdateRefs; } 93 const char* name() const { return "Shenandoah Init Update References"; } 94 virtual void doit(); 95 }; 96 97 class VM_ShenandoahFinalUpdateRefs: public VM_ShenandoahOperation { 98 public: 99 VM_ShenandoahFinalUpdateRefs() : VM_ShenandoahOperation() {}; 100 VM_Operation::VMOp_Type type() const { return VMOp_ShenandoahFinalUpdateRefs; } 101 const char* name() const { return "Shenandoah Final Update References"; } 102 virtual void doit(); 103 }; 104 105 class VM_ShenandoahVerifyHeapAfterEvacuation: public VM_ShenandoahOperation { 106 public: 107 VM_ShenandoahVerifyHeapAfterEvacuation() : VM_ShenandoahOperation() {}; 108 VM_Operation::VMOp_Type type() const { return VMOp_ShenandoahVerifyHeapAfterEvacuation; } 109 const char* name() const { return "Shenandoah verify heap after evacuation"; } 110 virtual void doit(); 111 }; 112 113 #endif //SHARE_VM_GC_SHENANDOAH_VM_OPERATIONS_SHENANDOAH_HPP