Thu, 14 Mar 2013 09:37:38 +0100
6733980: par compact - TraceGen1Time always shows 0.0000 seconds
Summary: Use the correct collector to retrieve accumulated gen1 trace time
Reviewed-by: johnc, jmasa
1 /*
2 * Copyright (c) 2002, 2012, 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.
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23 */
25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GCTASKTHREAD_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GCTASKTHREAD_HPP
28 #include "runtime/thread.hpp"
30 // Forward declarations of classes defined here.
31 class GCTaskThread;
32 class GCTaskTimeStamp;
34 // Declarations of classes referenced in this file via pointer.
35 class GCTaskManager;
37 class GCTaskThread : public WorkerThread {
38 friend class GCTaskManager;
39 private:
40 // Instance state.
41 GCTaskManager* _manager; // Manager for worker.
42 const uint _processor_id; // Which processor the worker is on.
44 GCTaskTimeStamp* _time_stamps;
45 uint _time_stamp_index;
47 GCTaskTimeStamp* time_stamp_at(uint index);
49 bool _is_working; // True if participating in GC tasks
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();
71 void print_task_time_stamps();
72 void print_on(outputStream* st) const;
73 void print() const { print_on(tty); }
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 }
90 void set_is_working(bool v) { _is_working = v; }
91 };
93 class GCTaskTimeStamp : public CHeapObj<mtGC>
94 {
95 private:
96 jlong _entry_time;
97 jlong _exit_time;
98 char* _name;
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; }
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 };
110 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GCTASKTHREAD_HPP