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comparison: src/share/vm/jfr/leakprofiler/emitEventOperation.hpp
src/share/vm/jfr/leakprofiler/emitEventOperation.hpp
- changeset 9858
- b985cbb00e68
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| 9727:c7a3e57fdf4a | 9858:b985cbb00e68 |
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| 1 /* | |
| 2 * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 #ifndef SHARE_VM_LEAKPROFILER_EMITEVENTOPERATION_HPP | |
| 26 #define SHARE_VM_LEAKPROFILER_EMITEVENTOPERATION_HPP | |
| 27 | |
| 28 #include "runtime/vm_operations.hpp" | |
| 29 | |
| 30 class BFSClosure; | |
| 31 class EdgeStore; | |
| 32 class EdgeQueue; | |
| 33 class JfrThreadData; | |
| 34 class ObjectSample; | |
| 35 class ObjectSampler; | |
| 36 | |
| 37 // Safepoint operation for emitting object sample events | |
| 38 class EmitEventOperation : public VM_Operation { | |
| 39 private: | |
| 40 jlong _cutoff_ticks; | |
| 41 bool _emit_all; | |
| 42 VMThread* _vm_thread; | |
| 43 JfrThreadLocal* _vm_thread_local; | |
| 44 ObjectSampler* _object_sampler; | |
| 45 | |
| 46 void write_event(const ObjectSample* sample, EdgeStore* edge_store); | |
| 47 int write_events(EdgeStore* edge_store); | |
| 48 | |
| 49 public: | |
| 50 EmitEventOperation(jlong cutoff_ticks, bool emit_all) : | |
| 51 _cutoff_ticks(cutoff_ticks), | |
| 52 _emit_all(emit_all), | |
| 53 _vm_thread(NULL), | |
| 54 _vm_thread_local(NULL), | |
| 55 _object_sampler(NULL) { | |
| 56 } | |
| 57 | |
| 58 VMOp_Type type() const { | |
| 59 return VMOp_GC_HeapInspection; | |
| 60 } | |
| 61 | |
| 62 Mode evaluation_mode() const { | |
| 63 return _safepoint; | |
| 64 } | |
| 65 | |
| 66 virtual void doit(); | |
| 67 }; | |
| 68 | |
| 69 #endif // SHARE_VM_LEAKPROFILER_EMITEVENTOPERATION_HPP |
