1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/services/management.hpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,135 @@
1.4 +/*
1.5 + * Copyright (c) 2003, 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#ifndef SHARE_VM_SERVICES_MANAGEMENT_HPP
1.29 +#define SHARE_VM_SERVICES_MANAGEMENT_HPP
1.30 +
1.31 +#include "memory/allocation.hpp"
1.32 +#include "runtime/handles.hpp"
1.33 +#include "runtime/timer.hpp"
1.34 +#include "services/jmm.h"
1.35 +
1.36 +class OopClosure;
1.37 +class ThreadSnapshot;
1.38 +
1.39 +class Management : public AllStatic {
1.40 +private:
1.41 + static PerfVariable* _begin_vm_creation_time;
1.42 + static PerfVariable* _end_vm_creation_time;
1.43 + static PerfVariable* _vm_init_done_time;
1.44 + static jmmOptionalSupport _optional_support;
1.45 + static TimeStamp _stamp; // Timestamp since vm init done time
1.46 +
1.47 + // Management klasses
1.48 + static Klass* _sensor_klass;
1.49 + static Klass* _threadInfo_klass;
1.50 + static Klass* _memoryUsage_klass;
1.51 + static Klass* _memoryPoolMXBean_klass;
1.52 + static Klass* _memoryManagerMXBean_klass;
1.53 + static Klass* _garbageCollectorMXBean_klass;
1.54 + static Klass* _managementFactory_klass;
1.55 + static Klass* _garbageCollectorImpl_klass;
1.56 + static Klass* _diagnosticCommandImpl_klass;
1.57 + static Klass* _managementFactoryHelper_klass;
1.58 + static Klass* _gcInfo_klass;
1.59 +
1.60 + static Klass* load_and_initialize_klass(Symbol* sh, TRAPS);
1.61 +
1.62 +public:
1.63 + static void init();
1.64 + static void initialize(TRAPS);
1.65 +
1.66 + static jlong ticks_to_ms(jlong ticks) NOT_MANAGEMENT_RETURN_(0L);
1.67 + static jlong timestamp() NOT_MANAGEMENT_RETURN_(0L);
1.68 +
1.69 + static void oops_do(OopClosure* f) NOT_MANAGEMENT_RETURN;
1.70 + static void* get_jmm_interface(int version);
1.71 + static void get_optional_support(jmmOptionalSupport* support);
1.72 +
1.73 + static void get_loaded_classes(JavaThread* cur_thread, GrowableArray<KlassHandle>* klass_handle_array);
1.74 +
1.75 + static void record_vm_startup_time(jlong begin, jlong duration)
1.76 + NOT_MANAGEMENT_RETURN;
1.77 + static void record_vm_init_completed() {
1.78 + // Initialize the timestamp to get the current time
1.79 + _vm_init_done_time->set_value(os::javaTimeMillis());
1.80 +
1.81 + // Update the timestamp to the vm init done time
1.82 + _stamp.update();
1.83 + }
1.84 +
1.85 + static jlong begin_vm_creation_time() {
1.86 + return _begin_vm_creation_time->get_value();
1.87 + }
1.88 + static jlong vm_init_done_time() {
1.89 + return _vm_init_done_time->get_value();
1.90 + }
1.91 +
1.92 + // methods to return a Klass*.
1.93 + static Klass* java_lang_management_ThreadInfo_klass(TRAPS);
1.94 + static Klass* java_lang_management_MemoryUsage_klass(TRAPS)
1.95 + NOT_MANAGEMENT_RETURN_(NULL);
1.96 + static Klass* java_lang_management_MemoryPoolMXBean_klass(TRAPS);
1.97 + static Klass* java_lang_management_MemoryManagerMXBean_klass(TRAPS);
1.98 + static Klass* java_lang_management_GarbageCollectorMXBean_klass(TRAPS);
1.99 + static Klass* sun_management_Sensor_klass(TRAPS)
1.100 + NOT_MANAGEMENT_RETURN_(NULL);
1.101 + static Klass* sun_management_ManagementFactory_klass(TRAPS)
1.102 + NOT_MANAGEMENT_RETURN_(NULL);
1.103 + static Klass* sun_management_GarbageCollectorImpl_klass(TRAPS)
1.104 + NOT_MANAGEMENT_RETURN_(NULL);
1.105 + static Klass* com_sun_management_GcInfo_klass(TRAPS)
1.106 + NOT_MANAGEMENT_RETURN_(NULL);
1.107 + static Klass* sun_management_DiagnosticCommandImpl_klass(TRAPS)
1.108 + NOT_MANAGEMENT_RETURN_(NULL);
1.109 + static Klass* sun_management_ManagementFactoryHelper_klass(TRAPS)
1.110 + NOT_MANAGEMENT_RETURN_(NULL);
1.111 +
1.112 + static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, TRAPS);
1.113 + static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, objArrayHandle monitors_array, typeArrayHandle depths_array, objArrayHandle synchronizers_array, TRAPS);
1.114 +};
1.115 +
1.116 +class TraceVmCreationTime : public StackObj {
1.117 +private:
1.118 + TimeStamp _timer;
1.119 + jlong _begin_time;
1.120 +
1.121 +public:
1.122 + TraceVmCreationTime() {}
1.123 + ~TraceVmCreationTime() {}
1.124 +
1.125 + void start()
1.126 + { _timer.update_to(0); _begin_time = os::javaTimeMillis(); }
1.127 +
1.128 + /**
1.129 + * Only call this if initialization completes successfully; it will
1.130 + * crash if PerfMemory_exit() has already been called (usually by
1.131 + * os::shutdown() when there was an initialization failure).
1.132 + */
1.133 + void end()
1.134 + { Management::record_vm_startup_time(_begin_time, _timer.milliseconds()); }
1.135 +
1.136 +};
1.137 +
1.138 +#endif // SHARE_VM_SERVICES_MANAGEMENT_HPP
