src/share/vm/services/management.hpp

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   1 /*
   2  * Copyright (c) 2003, 2005, 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 class OopClosure;
  26 class ThreadSnapshot;
  27 
  28 class Management : public AllStatic {
  29 private:
  30   static PerfVariable*      _begin_vm_creation_time;
  31   static PerfVariable*      _end_vm_creation_time;
  32   static PerfVariable*      _vm_init_done_time;
  33   static jmmOptionalSupport _optional_support;
  34   static TimeStamp          _stamp; // Timestamp since vm init done time
  35 
  36   // Management klasses
  37   static klassOop           _sensor_klass;
  38   static klassOop           _threadInfo_klass;
  39   static klassOop           _memoryUsage_klass;
  40   static klassOop           _memoryPoolMXBean_klass;
  41   static klassOop           _memoryManagerMXBean_klass;
  42   static klassOop           _garbageCollectorMXBean_klass;
  43   static klassOop           _managementFactory_klass;
  44 


  87 private:
  88   TimeStamp _timer;
  89   jlong     _begin_time;
  90 
  91 public:
  92   TraceVmCreationTime() {}
  93   ~TraceVmCreationTime() {}
  94 
  95   void start()
  96   { _timer.update_to(0); _begin_time = os::javaTimeMillis(); }
  97 
  98   /**
  99    * Only call this if initialization completes successfully; it will
 100    * crash if PerfMemory_exit() has already been called (usually by
 101    * os::shutdown() when there was an initialization failure).
 102    */
 103   void end()
 104   { Management::record_vm_startup_time(_begin_time, _timer.milliseconds()); }
 105 
 106 };


   1 /*
   2  * Copyright (c) 2003, 2010, 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_SERVICES_MANAGEMENT_HPP
  26 #define SHARE_VM_SERVICES_MANAGEMENT_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 #include "runtime/handles.hpp"
  30 #include "runtime/timer.hpp"
  31 #include "services/jmm.h"
  32 
  33 class OopClosure;
  34 class ThreadSnapshot;
  35 
  36 class Management : public AllStatic {
  37 private:
  38   static PerfVariable*      _begin_vm_creation_time;
  39   static PerfVariable*      _end_vm_creation_time;
  40   static PerfVariable*      _vm_init_done_time;
  41   static jmmOptionalSupport _optional_support;
  42   static TimeStamp          _stamp; // Timestamp since vm init done time
  43 
  44   // Management klasses
  45   static klassOop           _sensor_klass;
  46   static klassOop           _threadInfo_klass;
  47   static klassOop           _memoryUsage_klass;
  48   static klassOop           _memoryPoolMXBean_klass;
  49   static klassOop           _memoryManagerMXBean_klass;
  50   static klassOop           _garbageCollectorMXBean_klass;
  51   static klassOop           _managementFactory_klass;
  52 


  95 private:
  96   TimeStamp _timer;
  97   jlong     _begin_time;
  98 
  99 public:
 100   TraceVmCreationTime() {}
 101   ~TraceVmCreationTime() {}
 102 
 103   void start()
 104   { _timer.update_to(0); _begin_time = os::javaTimeMillis(); }
 105 
 106   /**
 107    * Only call this if initialization completes successfully; it will
 108    * crash if PerfMemory_exit() has already been called (usually by
 109    * os::shutdown() when there was an initialization failure).
 110    */
 111   void end()
 112   { Management::record_vm_startup_time(_begin_time, _timer.milliseconds()); }
 113 
 114 };
 115 
 116 #endif // SHARE_VM_SERVICES_MANAGEMENT_HPP