|
0
|
1 /*
|
|
|
2 * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved.
|
|
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
|
4 *
|
|
|
5 * This code is free software; you can redistribute it and/or modify it
|
|
|
6 * under the terms of the GNU General Public License version 2 only, as
|
|
|
7 * published by the Free Software Foundation.
|
|
|
8 *
|
|
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT
|
|
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
12 * version 2 for more details (a copy is included in the LICENSE file that
|
|
|
13 * accompanied this code).
|
|
|
14 *
|
|
|
15 * You should have received a copy of the GNU General Public License version
|
|
|
16 * 2 along with this work; if not, write to the Free Software Foundation,
|
|
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
18 *
|
|
|
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
|
20 * CA 95054 USA or visit www.sun.com if you need additional information or
|
|
|
21 * have any questions.
|
|
|
22 *
|
|
|
23 */
|
|
|
24
|
|
|
25 class OopClosure;
|
|
|
26 class ThreadSnapshot;
|
|
|
27
|
|
|
28 class Management : public AllStatic {
|
|
|
29 private:
|
|
|
30 static PerfVariable* _begin_vm_creation_time;
|
|
|
31 static PerfVariable* _end_vm_creation_time;
|
|
|
32 static PerfVariable* _vm_init_done_time;
|
|
|
33 static jmmOptionalSupport _optional_support;
|
|
|
34 static TimeStamp _stamp; // Timestamp since vm init done time
|
|
|
35
|
|
|
36 // Management klasses
|
|
|
37 static klassOop _sensor_klass;
|
|
|
38 static klassOop _threadInfo_klass;
|
|
|
39 static klassOop _memoryUsage_klass;
|
|
|
40 static klassOop _memoryPoolMXBean_klass;
|
|
|
41 static klassOop _memoryManagerMXBean_klass;
|
|
|
42 static klassOop _garbageCollectorMXBean_klass;
|
|
|
43 static klassOop _managementFactory_klass;
|
|
|
44
|
|
|
45 static klassOop load_and_initialize_klass(symbolHandle sh, TRAPS);
|
|
|
46
|
|
|
47 public:
|
|
|
48 static void init();
|
|
|
49 static void initialize(TRAPS);
|
|
|
50
|
|
|
51 static jlong ticks_to_ms(jlong ticks);
|
|
|
52 static jlong timestamp();
|
|
|
53
|
|
|
54 static void oops_do(OopClosure* f);
|
|
|
55 static void* get_jmm_interface(int version);
|
|
|
56 static void get_optional_support(jmmOptionalSupport* support);
|
|
|
57
|
|
|
58 static void get_loaded_classes(JavaThread* cur_thread, GrowableArray<KlassHandle>* klass_handle_array);
|
|
|
59
|
|
|
60 static void record_vm_startup_time(jlong begin, jlong duration);
|
|
|
61 static void record_vm_init_completed() {
|
|
|
62 // Initialize the timestamp to get the current time
|
|
|
63 _vm_init_done_time->set_value(os::javaTimeMillis());
|
|
|
64
|
|
|
65 // Update the timestamp to the vm init done time
|
|
|
66 _stamp.update();
|
|
|
67 }
|
|
|
68
|
|
|
69 static jlong vm_init_done_time() {
|
|
|
70 return _vm_init_done_time->get_value();
|
|
|
71 }
|
|
|
72
|
|
|
73 // methods to return a klassOop.
|
|
|
74 static klassOop java_lang_management_ThreadInfo_klass(TRAPS);
|
|
|
75 static klassOop java_lang_management_MemoryUsage_klass(TRAPS);
|
|
|
76 static klassOop java_lang_management_MemoryPoolMXBean_klass(TRAPS);
|
|
|
77 static klassOop java_lang_management_MemoryManagerMXBean_klass(TRAPS);
|
|
|
78 static klassOop java_lang_management_GarbageCollectorMXBean_klass(TRAPS);
|
|
|
79 static klassOop sun_management_Sensor_klass(TRAPS);
|
|
|
80 static klassOop sun_management_ManagementFactory_klass(TRAPS);
|
|
|
81
|
|
|
82 static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, TRAPS);
|
|
|
83 static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, objArrayHandle monitors_array, typeArrayHandle depths_array, objArrayHandle synchronizers_array, TRAPS);
|
|
|
84 };
|
|
|
85
|
|
|
86 class TraceVmCreationTime : public StackObj {
|
|
|
87 private:
|
|
|
88 TimeStamp _timer;
|
|
|
89 jlong _begin_time;
|
|
|
90
|
|
|
91 public:
|
|
|
92 TraceVmCreationTime() {}
|
|
|
93 ~TraceVmCreationTime() {}
|
|
|
94
|
|
|
95 void start()
|
|
|
96 { _timer.update_to(0); _begin_time = os::javaTimeMillis(); }
|
|
|
97
|
|
|
98 /**
|
|
|
99 * Only call this if initialization completes successfully; it will
|
|
|
100 * crash if PerfMemory_exit() has already been called (usually by
|
|
|
101 * os::shutdown() when there was an initialization failure).
|
|
|
102 */
|
|
|
103 void end()
|
|
|
104 { Management::record_vm_startup_time(_begin_time, _timer.milliseconds()); }
|
|
|
105
|
|
|
106 };
|
