| /* |
| * Copyright (c) 2002, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_GC_PARALLEL_GCTASKTHREAD_HPP |
| #define SHARE_VM_GC_PARALLEL_GCTASKTHREAD_HPP |
| |
| #include "runtime/thread.hpp" |
| |
| // Forward declarations of classes defined here. |
| class GCTaskThread; |
| class GCTaskTimeStamp; |
| |
| // Declarations of classes referenced in this file via pointer. |
| class GCTaskManager; |
| |
| class GCTaskThread : public WorkerThread { |
| friend class GCTaskManager; |
| private: |
| // Instance state. |
| GCTaskManager* _manager; // Manager for worker. |
| const uint _processor_id; // Which processor the worker is on. |
| |
| GCTaskTimeStamp* _time_stamps; |
| uint _time_stamp_index; |
| |
| GCTaskTimeStamp* time_stamp_at(uint index); |
| void add_task_timestamp(const char* name, jlong t_entry, jlong t_exit); |
| |
| bool _is_working; // True if participating in GC tasks |
| |
| // Factory create and destroy methods. |
| static GCTaskThread* create(GCTaskManager* manager, |
| uint which, |
| uint processor_id) { |
| return new GCTaskThread(manager, which, processor_id); |
| } |
| public: |
| |
| static void destroy(GCTaskThread* manager) { |
| if (manager != NULL) { |
| delete manager; |
| } |
| } |
| // Methods from Thread. |
| bool is_GC_task_thread() const { |
| return true; |
| } |
| virtual void run(); |
| |
| void print_task_time_stamps(); |
| |
| protected: |
| // Constructor. Clients use factory, but there could be subclasses. |
| GCTaskThread(GCTaskManager* manager, uint which, uint processor_id); |
| // Destructor: virtual destructor because of virtual methods. |
| virtual ~GCTaskThread(); |
| // Accessors. |
| GCTaskManager* manager() const { |
| return _manager; |
| } |
| uint which() const { |
| return id(); |
| } |
| uint processor_id() const { |
| return _processor_id; |
| } |
| void set_is_working(bool v) { _is_working = v; } |
| }; |
| |
| class GCTaskTimeStamp : public CHeapObj<mtGC> |
| { |
| private: |
| jlong _entry_time; |
| jlong _exit_time; |
| const char* _name; |
| |
| public: |
| jlong entry_time() { return _entry_time; } |
| jlong exit_time() { return _exit_time; } |
| const char* name() const { return _name; } |
| |
| void set_entry_time(jlong time) { _entry_time = time; } |
| void set_exit_time(jlong time) { _exit_time = time; } |
| void set_name(const char* name) { _name = name; } |
| }; |
| |
| #endif // SHARE_VM_GC_PARALLEL_GCTASKTHREAD_HPP |