Mercurial > hg > truffle
diff src/share/vm/services/management.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/services/management.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,106 @@ +/* + * Copyright 2003-2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +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 load_and_initialize_klass(symbolHandle 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 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 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()); } + +};