jdk8-mips64-public/hotspot: src/share/vm/services/management.hpp@37f87013dfd8

6711316: Open source the Garbage-First garbage collector
Summary: First mercurial integration of the code for the Garbage-First garbage collector.
Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr

     1 /*

     2  * Copyright 2003-2005 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    25 class OopClosure;

    26 class ThreadSnapshot;

    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

    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;

    45   static klassOop load_and_initialize_klass(symbolHandle sh, TRAPS);

    47 public:

    48   static void init();

    49   static void initialize(TRAPS);

    51   static jlong ticks_to_ms(jlong ticks);

    52   static jlong timestamp();

    54   static void  oops_do(OopClosure* f);

    55   static void* get_jmm_interface(int version);

    56   static void  get_optional_support(jmmOptionalSupport* support);

    58   static void get_loaded_classes(JavaThread* cur_thread, GrowableArray<KlassHandle>* klass_handle_array);

    60   static void  record_vm_startup_time(jlong begin, jlong duration);

    61   static void  record_vm_init_completed() {

    62     // Initialize the timestamp to get the current time

    63     _vm_init_done_time->set_value(os::javaTimeMillis());

    65     // Update the timestamp to the vm init done time

    66     _stamp.update();

    67   }

    69   static jlong vm_init_done_time() {

    70     return _vm_init_done_time->get_value();

    71   }

    73   // methods to return a klassOop.

    74   static klassOop java_lang_management_ThreadInfo_klass(TRAPS);

    75   static klassOop java_lang_management_MemoryUsage_klass(TRAPS);

    76   static klassOop java_lang_management_MemoryPoolMXBean_klass(TRAPS);

    77   static klassOop java_lang_management_MemoryManagerMXBean_klass(TRAPS);

    78   static klassOop java_lang_management_GarbageCollectorMXBean_klass(TRAPS);

    79   static klassOop sun_management_Sensor_klass(TRAPS);

    80   static klassOop sun_management_ManagementFactory_klass(TRAPS);

    82   static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, TRAPS);

    83   static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, objArrayHandle monitors_array, typeArrayHandle depths_array, objArrayHandle synchronizers_array, TRAPS);

    84 };

    86 class TraceVmCreationTime : public StackObj {

    87 private:

    88   TimeStamp _timer;

    89   jlong     _begin_time;

    91 public:

    92   TraceVmCreationTime() {}

    93   ~TraceVmCreationTime() {}

    95   void start()

    96   { _timer.update_to(0); _begin_time = os::javaTimeMillis(); }

    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()); }

   106 };

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/services/management.hpp@37f87013dfd8

src/share/vm/services/management.hpp