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view src/share/vm/services/management.hpp @ 6408:e5768e936147
Allow snippets to inherit the stateAfter and stamp from the replacee
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Fri, 14 Sep 2012 14:21:33 -0700 |
parents | 2e0ef19fc891 |
children | da91efe96a93 |
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/* * Copyright (c) 2003, 2011, 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_SERVICES_MANAGEMENT_HPP #define SHARE_VM_SERVICES_MANAGEMENT_HPP #include "memory/allocation.hpp" #include "runtime/handles.hpp" #include "runtime/timer.hpp" #include "services/jmm.h" class OopClosure; class ThreadSnapshot; class Management : public AllStatic { private: static PerfVariable* _begin_vm_creation_time; static PerfVariable* _end_vm_creation_time; static PerfVariable* _vm_init_done_time; static jmmOptionalSupport _optional_support; static TimeStamp _stamp; // Timestamp since vm init done time // Management klasses static klassOop _sensor_klass; static klassOop _threadInfo_klass; static klassOop _memoryUsage_klass; static klassOop _memoryPoolMXBean_klass; static klassOop _memoryManagerMXBean_klass; static klassOop _garbageCollectorMXBean_klass; static klassOop _managementFactory_klass; static klassOop _garbageCollectorImpl_klass; static klassOop _gcInfo_klass; static klassOop load_and_initialize_klass(Symbol* sh, TRAPS); public: static void init(); static void initialize(TRAPS); static jlong ticks_to_ms(jlong ticks); static jlong timestamp(); static void oops_do(OopClosure* f); static void* get_jmm_interface(int version); static void get_optional_support(jmmOptionalSupport* support); static void get_loaded_classes(JavaThread* cur_thread, GrowableArray<KlassHandle>* klass_handle_array); static void record_vm_startup_time(jlong begin, jlong duration); static void record_vm_init_completed() { // Initialize the timestamp to get the current time _vm_init_done_time->set_value(os::javaTimeMillis()); // Update the timestamp to the vm init done time _stamp.update(); } static jlong begin_vm_creation_time() { return _begin_vm_creation_time->get_value(); } static jlong vm_init_done_time() { return _vm_init_done_time->get_value(); } // methods to return a klassOop. static klassOop java_lang_management_ThreadInfo_klass(TRAPS); static klassOop java_lang_management_MemoryUsage_klass(TRAPS); static klassOop java_lang_management_MemoryPoolMXBean_klass(TRAPS); static klassOop java_lang_management_MemoryManagerMXBean_klass(TRAPS); static klassOop java_lang_management_GarbageCollectorMXBean_klass(TRAPS); static klassOop sun_management_Sensor_klass(TRAPS); static klassOop sun_management_ManagementFactory_klass(TRAPS); static klassOop sun_management_GarbageCollectorImpl_klass(TRAPS); static klassOop com_sun_management_GcInfo_klass(TRAPS); static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, TRAPS); static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, objArrayHandle monitors_array, typeArrayHandle depths_array, objArrayHandle synchronizers_array, TRAPS); }; class TraceVmCreationTime : public StackObj { private: TimeStamp _timer; jlong _begin_time; public: TraceVmCreationTime() {} ~TraceVmCreationTime() {} void start() { _timer.update_to(0); _begin_time = os::javaTimeMillis(); } /** * Only call this if initialization completes successfully; it will * crash if PerfMemory_exit() has already been called (usually by * os::shutdown() when there was an initialization failure). */ void end() { Management::record_vm_startup_time(_begin_time, _timer.milliseconds()); } }; #endif // SHARE_VM_SERVICES_MANAGEMENT_HPP