Mercurial > hg > truffle
annotate src/share/vm/services/management.hpp @ 2066:02895c6a2f82
7007769: VM crashes with SIGBUS writing PerfData if tmp space is full
Summary: Fill perfdata file with zeros to verify available disk space
Reviewed-by: coleenp, kamg
author | bobv |
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date | Mon, 20 Dec 2010 14:30:24 -0500 |
parents | f95d63e2154a |
children | 3582bf76420e |
rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
1552
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_SERVICES_MANAGEMENT_HPP |
26 #define SHARE_VM_SERVICES_MANAGEMENT_HPP | |
27 | |
28 #include "memory/allocation.hpp" | |
29 #include "runtime/handles.hpp" | |
30 #include "runtime/timer.hpp" | |
31 #include "services/jmm.h" | |
32 | |
0 | 33 class OopClosure; |
34 class ThreadSnapshot; | |
35 | |
36 class Management : public AllStatic { | |
37 private: | |
38 static PerfVariable* _begin_vm_creation_time; | |
39 static PerfVariable* _end_vm_creation_time; | |
40 static PerfVariable* _vm_init_done_time; | |
41 static jmmOptionalSupport _optional_support; | |
42 static TimeStamp _stamp; // Timestamp since vm init done time | |
43 | |
44 // Management klasses | |
45 static klassOop _sensor_klass; | |
46 static klassOop _threadInfo_klass; | |
47 static klassOop _memoryUsage_klass; | |
48 static klassOop _memoryPoolMXBean_klass; | |
49 static klassOop _memoryManagerMXBean_klass; | |
50 static klassOop _garbageCollectorMXBean_klass; | |
51 static klassOop _managementFactory_klass; | |
52 | |
53 static klassOop load_and_initialize_klass(symbolHandle sh, TRAPS); | |
54 | |
55 public: | |
56 static void init(); | |
57 static void initialize(TRAPS); | |
58 | |
59 static jlong ticks_to_ms(jlong ticks); | |
60 static jlong timestamp(); | |
61 | |
62 static void oops_do(OopClosure* f); | |
63 static void* get_jmm_interface(int version); | |
64 static void get_optional_support(jmmOptionalSupport* support); | |
65 | |
66 static void get_loaded_classes(JavaThread* cur_thread, GrowableArray<KlassHandle>* klass_handle_array); | |
67 | |
68 static void record_vm_startup_time(jlong begin, jlong duration); | |
69 static void record_vm_init_completed() { | |
70 // Initialize the timestamp to get the current time | |
71 _vm_init_done_time->set_value(os::javaTimeMillis()); | |
72 | |
73 // Update the timestamp to the vm init done time | |
74 _stamp.update(); | |
75 } | |
76 | |
77 static jlong vm_init_done_time() { | |
78 return _vm_init_done_time->get_value(); | |
79 } | |
80 | |
81 // methods to return a klassOop. | |
82 static klassOop java_lang_management_ThreadInfo_klass(TRAPS); | |
83 static klassOop java_lang_management_MemoryUsage_klass(TRAPS); | |
84 static klassOop java_lang_management_MemoryPoolMXBean_klass(TRAPS); | |
85 static klassOop java_lang_management_MemoryManagerMXBean_klass(TRAPS); | |
86 static klassOop java_lang_management_GarbageCollectorMXBean_klass(TRAPS); | |
87 static klassOop sun_management_Sensor_klass(TRAPS); | |
88 static klassOop sun_management_ManagementFactory_klass(TRAPS); | |
89 | |
90 static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, TRAPS); | |
91 static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, objArrayHandle monitors_array, typeArrayHandle depths_array, objArrayHandle synchronizers_array, TRAPS); | |
92 }; | |
93 | |
94 class TraceVmCreationTime : public StackObj { | |
95 private: | |
96 TimeStamp _timer; | |
97 jlong _begin_time; | |
98 | |
99 public: | |
100 TraceVmCreationTime() {} | |
101 ~TraceVmCreationTime() {} | |
102 | |
103 void start() | |
104 { _timer.update_to(0); _begin_time = os::javaTimeMillis(); } | |
105 | |
106 /** | |
107 * Only call this if initialization completes successfully; it will | |
108 * crash if PerfMemory_exit() has already been called (usually by | |
109 * os::shutdown() when there was an initialization failure). | |
110 */ | |
111 void end() | |
112 { Management::record_vm_startup_time(_begin_time, _timer.milliseconds()); } | |
113 | |
114 }; | |
1972 | 115 |
116 #endif // SHARE_VM_SERVICES_MANAGEMENT_HPP |