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src/share/vm/gc/parallel/gcTaskThread.hpp

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rev 12781 : imported patch 8177963-gctasktimestampentries
rev 12782 : [mq]: 8177963-gctasktimestampentries-reviews
   1 /*
   2  * Copyright (c) 2002, 2016, 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  *


  28 #include "runtime/thread.hpp"
  29 
  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 {
  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.
  43 
  44   GCTaskTimeStamp* _time_stamps;
  45   uint _time_stamp_index;
  46 
  47   GCTaskTimeStamp* time_stamp_at(uint index);

  48 
  49   bool _is_working;                     // True if participating in GC tasks
  50 
  51   // Factory create and destroy methods.
  52   static GCTaskThread* create(GCTaskManager* manager,
  53                               uint           which,
  54                               uint           processor_id) {
  55     return new GCTaskThread(manager, which, processor_id);
  56   }
  57  public:
  58 
  59   static void destroy(GCTaskThread* manager) {
  60     if (manager != NULL) {
  61       delete manager;
  62     }
  63   }
  64   // Methods from Thread.
  65   bool is_GC_task_thread() const {
  66     return true;
  67   }


  75   // Destructor: virtual destructor because of virtual methods.
  76   virtual ~GCTaskThread();
  77   // Accessors.
  78   GCTaskManager* manager() const {
  79     return _manager;
  80   }
  81   uint which() const {
  82     return id();
  83   }
  84   uint processor_id() const {
  85     return _processor_id;
  86   }
  87   void set_is_working(bool v) { _is_working = v; }
  88 };
  89 
  90 class GCTaskTimeStamp : public CHeapObj<mtGC>
  91 {
  92  private:
  93   jlong  _entry_time;
  94   jlong  _exit_time;
  95   char*  _name;
  96 
  97  public:
  98   jlong entry_time()              { return _entry_time; }
  99   jlong exit_time()               { return _exit_time; }
 100   const char* name() const        { return (const char*)_name; }
 101 
 102   void set_entry_time(jlong time) { _entry_time = time; }
 103   void set_exit_time(jlong time)  { _exit_time = time; }
 104   void set_name(char* name)       { _name = name; }
 105 };
 106 
 107 #endif // SHARE_VM_GC_PARALLEL_GCTASKTHREAD_HPP
   1 /*
   2  * Copyright (c) 2002, 2017, 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  *


  28 #include "runtime/thread.hpp"
  29 
  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 {
  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.
  43 
  44   GCTaskTimeStamp* _time_stamps;
  45   uint _time_stamp_index;
  46 
  47   GCTaskTimeStamp* time_stamp_at(uint index);
  48   void add_task_timestamp(const char* name, jlong t_entry, jlong t_exit);
  49 
  50   bool _is_working;                     // True if participating in GC tasks
  51 
  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  public:
  59 
  60   static void destroy(GCTaskThread* manager) {
  61     if (manager != NULL) {
  62       delete manager;
  63     }
  64   }
  65   // Methods from Thread.
  66   bool is_GC_task_thread() const {
  67     return true;
  68   }


  76   // Destructor: virtual destructor because of virtual methods.
  77   virtual ~GCTaskThread();
  78   // Accessors.
  79   GCTaskManager* manager() const {
  80     return _manager;
  81   }
  82   uint which() const {
  83     return id();
  84   }
  85   uint processor_id() const {
  86     return _processor_id;
  87   }
  88   void set_is_working(bool v) { _is_working = v; }
  89 };
  90 
  91 class GCTaskTimeStamp : public CHeapObj<mtGC>
  92 {
  93  private:
  94   jlong  _entry_time;
  95   jlong  _exit_time;
  96   const char*  _name;
  97 
  98  public:
  99   jlong entry_time()              { return _entry_time; }
 100   jlong exit_time()               { return _exit_time; }
 101   const char* name() const        { return _name; }
 102 
 103   void set_entry_time(jlong time) { _entry_time = time; }
 104   void set_exit_time(jlong time)  { _exit_time = time; }
 105   void set_name(const char* name) { _name = name; }
 106 };
 107 
 108 #endif // SHARE_VM_GC_PARALLEL_GCTASKTHREAD_HPP
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