Mercurial > hg > graal-compiler
annotate src/share/vm/gc_implementation/parallelScavenge/gcTaskThread.hpp @ 6197:d2a62e0f25eb
6995781: Native Memory Tracking (Phase 1)
7151532: DCmd for hotspot native memory tracking
Summary: Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd
Reviewed-by: acorn, coleenp, fparain
| author | zgu |
|---|---|
| date | Thu, 28 Jun 2012 17:03:16 -0400 |
| parents | bca17e38de00 |
| children | b9a9ed0f8eeb |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1972 | 2 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GCTASKTHREAD_HPP |
| 26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GCTASKTHREAD_HPP | |
| 27 | |
| 28 #include "runtime/thread.hpp" | |
| 29 | |
| 0 | 30 // Forward declarations of classes defined here. |
| 31 class GCTaskThread; | |
| 32 class GCTaskTimeStamp; | |
| 33 | |
| 34 // Declarations of classes referenced in this file via pointer. | |
| 35 class GCTaskManager; | |
| 36 | |
| 37 class GCTaskThread : public WorkerThread { | |
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38 friend class GCTaskManager; |
| 0 | 39 private: |
| 40 // Instance state. | |
| 41 GCTaskManager* _manager; // Manager for worker. | |
| 42 const uint _processor_id; // Which processor the worker is on. | |
| 43 | |
| 44 GCTaskTimeStamp* _time_stamps; | |
| 45 uint _time_stamp_index; | |
| 46 | |
| 47 GCTaskTimeStamp* time_stamp_at(uint index); | |
| 48 | |
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49 bool _is_working; // True if participating in GC tasks |
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50 |
| 0 | 51 public: |
| 52 // Factory create and destroy methods. | |
| 53 static GCTaskThread* create(GCTaskManager* manager, | |
| 54 uint which, | |
| 55 uint processor_id) { | |
| 56 return new GCTaskThread(manager, which, processor_id); | |
| 57 } | |
| 58 static void destroy(GCTaskThread* manager) { | |
| 59 if (manager != NULL) { | |
| 60 delete manager; | |
| 61 } | |
| 62 } | |
| 63 // Methods from Thread. | |
| 64 bool is_GC_task_thread() const { | |
| 65 return true; | |
| 66 } | |
| 67 virtual void run(); | |
| 68 // Methods. | |
| 69 void start(); | |
| 70 | |
| 71 void print_task_time_stamps(); | |
| 72 void print_on(outputStream* st) const; | |
| 73 void print() const { print_on(tty); } | |
| 74 | |
| 75 protected: | |
| 76 // Constructor. Clients use factory, but there could be subclasses. | |
| 77 GCTaskThread(GCTaskManager* manager, uint which, uint processor_id); | |
| 78 // Destructor: virtual destructor because of virtual methods. | |
| 79 virtual ~GCTaskThread(); | |
| 80 // Accessors. | |
| 81 GCTaskManager* manager() const { | |
| 82 return _manager; | |
| 83 } | |
| 84 uint which() const { | |
| 85 return id(); | |
| 86 } | |
| 87 uint processor_id() const { | |
| 88 return _processor_id; | |
| 89 } | |
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90 void set_is_working(bool v) { _is_working = v; } |
| 0 | 91 }; |
| 92 | |
| 6197 | 93 class GCTaskTimeStamp : public CHeapObj<mtGC> |
| 0 | 94 { |
| 95 private: | |
| 96 jlong _entry_time; | |
| 97 jlong _exit_time; | |
| 98 char* _name; | |
| 99 | |
| 100 public: | |
| 101 jlong entry_time() { return _entry_time; } | |
| 102 jlong exit_time() { return _exit_time; } | |
| 103 const char* name() const { return (const char*)_name; } | |
| 104 | |
| 105 void set_entry_time(jlong time) { _entry_time = time; } | |
| 106 void set_exit_time(jlong time) { _exit_time = time; } | |
| 107 void set_name(char* name) { _name = name; } | |
| 108 }; | |
| 1972 | 109 |
| 110 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GCTASKTHREAD_HPP |