duke@435: /* coleenp@4037: * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. duke@435: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. duke@435: * duke@435: * This code is free software; you can redistribute it and/or modify it duke@435: * under the terms of the GNU General Public License version 2 only, as duke@435: * published by the Free Software Foundation. duke@435: * duke@435: * This code is distributed in the hope that it will be useful, but WITHOUT duke@435: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or duke@435: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License duke@435: * version 2 for more details (a copy is included in the LICENSE file that duke@435: * accompanied this code). duke@435: * duke@435: * You should have received a copy of the GNU General Public License version duke@435: * 2 along with this work; if not, write to the Free Software Foundation, duke@435: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. duke@435: * trims@1907: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA trims@1907: * or visit www.oracle.com if you need additional information or have any trims@1907: * questions. duke@435: * duke@435: */ duke@435: stefank@2314: #ifndef SHARE_VM_SERVICES_MANAGEMENT_HPP stefank@2314: #define SHARE_VM_SERVICES_MANAGEMENT_HPP stefank@2314: stefank@2314: #include "memory/allocation.hpp" stefank@2314: #include "runtime/handles.hpp" stefank@2314: #include "runtime/timer.hpp" stefank@2314: #include "services/jmm.h" stefank@2314: duke@435: class OopClosure; duke@435: class ThreadSnapshot; duke@435: duke@435: class Management : public AllStatic { duke@435: private: duke@435: static PerfVariable* _begin_vm_creation_time; duke@435: static PerfVariable* _end_vm_creation_time; duke@435: static PerfVariable* _vm_init_done_time; duke@435: static jmmOptionalSupport _optional_support; duke@435: static TimeStamp _stamp; // Timestamp since vm init done time duke@435: duke@435: // Management klasses coleenp@4037: static Klass* _sensor_klass; coleenp@4037: static Klass* _threadInfo_klass; coleenp@4037: static Klass* _memoryUsage_klass; coleenp@4037: static Klass* _memoryPoolMXBean_klass; coleenp@4037: static Klass* _memoryManagerMXBean_klass; coleenp@4037: static Klass* _garbageCollectorMXBean_klass; coleenp@4037: static Klass* _managementFactory_klass; coleenp@4037: static Klass* _garbageCollectorImpl_klass; coleenp@4037: static Klass* _gcInfo_klass; duke@435: coleenp@4037: static Klass* load_and_initialize_klass(Symbol* sh, TRAPS); duke@435: duke@435: public: duke@435: static void init(); duke@435: static void initialize(TRAPS); duke@435: jprovino@4165: static jlong ticks_to_ms(jlong ticks) NOT_MANAGEMENT_RETURN_(0L); jprovino@4165: static jlong timestamp() NOT_MANAGEMENT_RETURN_(0L); duke@435: jprovino@4165: static void oops_do(OopClosure* f) NOT_MANAGEMENT_RETURN; duke@435: static void* get_jmm_interface(int version); duke@435: static void get_optional_support(jmmOptionalSupport* support); duke@435: duke@435: static void get_loaded_classes(JavaThread* cur_thread, GrowableArray* klass_handle_array); duke@435: jprovino@4165: static void record_vm_startup_time(jlong begin, jlong duration) jprovino@4165: NOT_MANAGEMENT_RETURN; duke@435: static void record_vm_init_completed() { duke@435: // Initialize the timestamp to get the current time duke@435: _vm_init_done_time->set_value(os::javaTimeMillis()); duke@435: duke@435: // Update the timestamp to the vm init done time duke@435: _stamp.update(); duke@435: } duke@435: phh@3382: static jlong begin_vm_creation_time() { phh@3382: return _begin_vm_creation_time->get_value(); phh@3382: } duke@435: static jlong vm_init_done_time() { duke@435: return _vm_init_done_time->get_value(); duke@435: } duke@435: coleenp@4037: // methods to return a Klass*. coleenp@4037: static Klass* java_lang_management_ThreadInfo_klass(TRAPS); jprovino@4165: static Klass* java_lang_management_MemoryUsage_klass(TRAPS) jprovino@4165: NOT_MANAGEMENT_RETURN_(NULL); coleenp@4037: static Klass* java_lang_management_MemoryPoolMXBean_klass(TRAPS); coleenp@4037: static Klass* java_lang_management_MemoryManagerMXBean_klass(TRAPS); coleenp@4037: static Klass* java_lang_management_GarbageCollectorMXBean_klass(TRAPS); jprovino@4165: static Klass* sun_management_Sensor_klass(TRAPS) jprovino@4165: NOT_MANAGEMENT_RETURN_(NULL); jprovino@4165: static Klass* sun_management_ManagementFactory_klass(TRAPS) jprovino@4165: NOT_MANAGEMENT_RETURN_(NULL); jprovino@4165: static Klass* sun_management_GarbageCollectorImpl_klass(TRAPS) jprovino@4165: NOT_MANAGEMENT_RETURN_(NULL); jprovino@4165: static Klass* com_sun_management_GcInfo_klass(TRAPS) jprovino@4165: NOT_MANAGEMENT_RETURN_(NULL); duke@435: duke@435: static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, TRAPS); duke@435: static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, objArrayHandle monitors_array, typeArrayHandle depths_array, objArrayHandle synchronizers_array, TRAPS); duke@435: }; duke@435: duke@435: class TraceVmCreationTime : public StackObj { duke@435: private: duke@435: TimeStamp _timer; duke@435: jlong _begin_time; duke@435: duke@435: public: duke@435: TraceVmCreationTime() {} duke@435: ~TraceVmCreationTime() {} duke@435: duke@435: void start() duke@435: { _timer.update_to(0); _begin_time = os::javaTimeMillis(); } duke@435: duke@435: /** duke@435: * Only call this if initialization completes successfully; it will duke@435: * crash if PerfMemory_exit() has already been called (usually by duke@435: * os::shutdown() when there was an initialization failure). duke@435: */ duke@435: void end() duke@435: { Management::record_vm_startup_time(_begin_time, _timer.milliseconds()); } duke@435: duke@435: }; stefank@2314: stefank@2314: #endif // SHARE_VM_SERVICES_MANAGEMENT_HPP