1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/services/management.hpp Sat Dec 01 00:00:00 2007 +0000
1.3 @@ -0,0 +1,106 @@
1.4 +/*
1.5 + * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
1.24 + * have any questions.
1.25 + *
1.26 + */
1.27 +
1.28 +class OopClosure;
1.29 +class ThreadSnapshot;
1.30 +
1.31 +class Management : public AllStatic {
1.32 +private:
1.33 + static PerfVariable* _begin_vm_creation_time;
1.34 + static PerfVariable* _end_vm_creation_time;
1.35 + static PerfVariable* _vm_init_done_time;
1.36 + static jmmOptionalSupport _optional_support;
1.37 + static TimeStamp _stamp; // Timestamp since vm init done time
1.38 +
1.39 + // Management klasses
1.40 + static klassOop _sensor_klass;
1.41 + static klassOop _threadInfo_klass;
1.42 + static klassOop _memoryUsage_klass;
1.43 + static klassOop _memoryPoolMXBean_klass;
1.44 + static klassOop _memoryManagerMXBean_klass;
1.45 + static klassOop _garbageCollectorMXBean_klass;
1.46 + static klassOop _managementFactory_klass;
1.47 +
1.48 + static klassOop load_and_initialize_klass(symbolHandle sh, TRAPS);
1.49 +
1.50 +public:
1.51 + static void init();
1.52 + static void initialize(TRAPS);
1.53 +
1.54 + static jlong ticks_to_ms(jlong ticks);
1.55 + static jlong timestamp();
1.56 +
1.57 + static void oops_do(OopClosure* f);
1.58 + static void* get_jmm_interface(int version);
1.59 + static void get_optional_support(jmmOptionalSupport* support);
1.60 +
1.61 + static void get_loaded_classes(JavaThread* cur_thread, GrowableArray<KlassHandle>* klass_handle_array);
1.62 +
1.63 + static void record_vm_startup_time(jlong begin, jlong duration);
1.64 + static void record_vm_init_completed() {
1.65 + // Initialize the timestamp to get the current time
1.66 + _vm_init_done_time->set_value(os::javaTimeMillis());
1.67 +
1.68 + // Update the timestamp to the vm init done time
1.69 + _stamp.update();
1.70 + }
1.71 +
1.72 + static jlong vm_init_done_time() {
1.73 + return _vm_init_done_time->get_value();
1.74 + }
1.75 +
1.76 + // methods to return a klassOop.
1.77 + static klassOop java_lang_management_ThreadInfo_klass(TRAPS);
1.78 + static klassOop java_lang_management_MemoryUsage_klass(TRAPS);
1.79 + static klassOop java_lang_management_MemoryPoolMXBean_klass(TRAPS);
1.80 + static klassOop java_lang_management_MemoryManagerMXBean_klass(TRAPS);
1.81 + static klassOop java_lang_management_GarbageCollectorMXBean_klass(TRAPS);
1.82 + static klassOop sun_management_Sensor_klass(TRAPS);
1.83 + static klassOop sun_management_ManagementFactory_klass(TRAPS);
1.84 +
1.85 + static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, TRAPS);
1.86 + static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, objArrayHandle monitors_array, typeArrayHandle depths_array, objArrayHandle synchronizers_array, TRAPS);
1.87 +};
1.88 +
1.89 +class TraceVmCreationTime : public StackObj {
1.90 +private:
1.91 + TimeStamp _timer;
1.92 + jlong _begin_time;
1.93 +
1.94 +public:
1.95 + TraceVmCreationTime() {}
1.96 + ~TraceVmCreationTime() {}
1.97 +
1.98 + void start()
1.99 + { _timer.update_to(0); _begin_time = os::javaTimeMillis(); }
1.100 +
1.101 + /**
1.102 + * Only call this if initialization completes successfully; it will
1.103 + * crash if PerfMemory_exit() has already been called (usually by
1.104 + * os::shutdown() when there was an initialization failure).
1.105 + */
1.106 + void end()
1.107 + { Management::record_vm_startup_time(_begin_time, _timer.milliseconds()); }
1.108 +
1.109 +};
