Mercurial > hg > truffle
annotate src/share/vm/services/management.hpp @ 1775:30f67acf635d
6765718: Indicate which thread throwing OOME when generating the heap dump at OOME
Summary: Emit a fake frame that makes it look like the thread is in the OutOfMemoryError zero-parameter constructor
Reviewed-by: dcubed
author | thurka |
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date | Sat, 11 Sep 2010 08:18:31 +0200 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2003, 2005, 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
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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 | |
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 }; |