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annotate src/share/vm/services/runtimeService.cpp @ 14189:1a899ea6b7ed
8031305: (hotspot) com.sun.management.VMOption is missing the ATTACH_ON_DEMAND origin
Reviewed-by: jbachorik, mchung, dholmes
author | sla |
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date | Tue, 07 Jan 2014 12:32:57 +0100 |
parents | 0db3ba3f6870 |
children | e6195383bcaf 6f06ebb09080 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2003, 2013, 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 |
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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 #include "precompiled.hpp" |
26 #include "classfile/classLoader.hpp" | |
27 #include "services/attachListener.hpp" | |
28 #include "services/management.hpp" | |
29 #include "services/runtimeService.hpp" | |
30 #include "utilities/dtrace.hpp" | |
31 #include "utilities/exceptions.hpp" | |
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32 #include "utilities/macros.hpp" |
0 | 33 |
4006 | 34 #ifndef USDT2 |
0 | 35 HS_DTRACE_PROBE_DECL(hs_private, safepoint__begin); |
36 HS_DTRACE_PROBE_DECL(hs_private, safepoint__end); | |
4006 | 37 #endif /* !USDT2 */ |
0 | 38 |
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39 #if INCLUDE_MANAGEMENT |
0 | 40 TimeStamp RuntimeService::_app_timer; |
41 TimeStamp RuntimeService::_safepoint_timer; | |
42 PerfCounter* RuntimeService::_sync_time_ticks = NULL; | |
43 PerfCounter* RuntimeService::_total_safepoints = NULL; | |
44 PerfCounter* RuntimeService::_safepoint_time_ticks = NULL; | |
45 PerfCounter* RuntimeService::_application_time_ticks = NULL; | |
46 PerfCounter* RuntimeService::_thread_interrupt_signaled_count = NULL; | |
47 PerfCounter* RuntimeService::_interrupted_before_count = NULL; | |
48 PerfCounter* RuntimeService::_interrupted_during_count = NULL; | |
49 | |
50 void RuntimeService::init() { | |
51 // Make sure the VM version is initialized | |
52 Abstract_VM_Version::initialize(); | |
53 | |
54 if (UsePerfData) { | |
55 EXCEPTION_MARK; | |
56 | |
57 _sync_time_ticks = | |
58 PerfDataManager::create_counter(SUN_RT, "safepointSyncTime", | |
59 PerfData::U_Ticks, CHECK); | |
60 | |
61 _total_safepoints = | |
62 PerfDataManager::create_counter(SUN_RT, "safepoints", | |
63 PerfData::U_Events, CHECK); | |
64 | |
65 _safepoint_time_ticks = | |
66 PerfDataManager::create_counter(SUN_RT, "safepointTime", | |
67 PerfData::U_Ticks, CHECK); | |
68 | |
69 _application_time_ticks = | |
70 PerfDataManager::create_counter(SUN_RT, "applicationTime", | |
71 PerfData::U_Ticks, CHECK); | |
72 | |
73 | |
74 // create performance counters for jvm_version and its capabilities | |
75 PerfDataManager::create_constant(SUN_RT, "jvmVersion", PerfData::U_None, | |
76 (jlong) Abstract_VM_Version::jvm_version(), CHECK); | |
77 | |
78 // I/O interruption related counters | |
79 | |
80 // thread signaling via os::interrupt() | |
81 | |
82 _thread_interrupt_signaled_count = | |
83 PerfDataManager::create_counter(SUN_RT, | |
84 "threadInterruptSignaled", PerfData::U_Events, CHECK); | |
85 | |
86 // OS_INTRPT via "check before" in _INTERRUPTIBLE | |
87 | |
88 _interrupted_before_count = | |
89 PerfDataManager::create_counter(SUN_RT, "interruptedBeforeIO", | |
90 PerfData::U_Events, CHECK); | |
91 | |
92 // OS_INTRPT via "check during" in _INTERRUPTIBLE | |
93 | |
94 _interrupted_during_count = | |
95 PerfDataManager::create_counter(SUN_RT, "interruptedDuringIO", | |
96 PerfData::U_Events, CHECK); | |
97 | |
98 // The capabilities counter is a binary representation of the VM capabilities in string. | |
99 // This string respresentation simplifies the implementation of the client side | |
100 // to parse the value. | |
101 char capabilities[65]; | |
102 size_t len = sizeof(capabilities); | |
103 memset((void*) capabilities, '0', len); | |
104 capabilities[len-1] = '\0'; | |
105 capabilities[0] = AttachListener::is_attach_supported() ? '1' : '0'; | |
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106 #if INCLUDE_SERVICES |
0 | 107 capabilities[1] = '1'; |
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108 #endif // INCLUDE_SERVICES |
0 | 109 PerfDataManager::create_string_constant(SUN_RT, "jvmCapabilities", |
110 capabilities, CHECK); | |
111 } | |
112 } | |
113 | |
114 void RuntimeService::record_safepoint_begin() { | |
4006 | 115 #ifndef USDT2 |
0 | 116 HS_DTRACE_PROBE(hs_private, safepoint__begin); |
4006 | 117 #else /* USDT2 */ |
118 HS_PRIVATE_SAFEPOINT_BEGIN(); | |
119 #endif /* USDT2 */ | |
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120 |
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121 // Print the time interval in which the app was executing |
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122 if (PrintGCApplicationConcurrentTime && _app_timer.is_updated()) { |
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123 gclog_or_tty->date_stamp(PrintGCDateStamps); |
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124 gclog_or_tty->stamp(PrintGCTimeStamps); |
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125 gclog_or_tty->print_cr("Application time: %3.7f seconds", |
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126 last_application_time_sec()); |
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127 } |
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128 |
0 | 129 // update the time stamp to begin recording safepoint time |
130 _safepoint_timer.update(); | |
131 if (UsePerfData) { | |
132 _total_safepoints->inc(); | |
133 if (_app_timer.is_updated()) { | |
134 _application_time_ticks->inc(_app_timer.ticks_since_update()); | |
135 } | |
136 } | |
137 } | |
138 | |
139 void RuntimeService::record_safepoint_synchronized() { | |
140 if (UsePerfData) { | |
141 _sync_time_ticks->inc(_safepoint_timer.ticks_since_update()); | |
142 } | |
143 } | |
144 | |
145 void RuntimeService::record_safepoint_end() { | |
4006 | 146 #ifndef USDT2 |
0 | 147 HS_DTRACE_PROBE(hs_private, safepoint__end); |
4006 | 148 #else /* USDT2 */ |
149 HS_PRIVATE_SAFEPOINT_END(); | |
150 #endif /* USDT2 */ | |
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151 |
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152 // Print the time interval for which the app was stopped |
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153 // during the current safepoint operation. |
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154 if (PrintGCApplicationStoppedTime) { |
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155 gclog_or_tty->date_stamp(PrintGCDateStamps); |
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156 gclog_or_tty->stamp(PrintGCTimeStamps); |
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157 gclog_or_tty->print_cr("Total time for which application threads " |
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158 "were stopped: %3.7f seconds", |
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159 last_safepoint_time_sec()); |
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160 } |
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161 |
0 | 162 // update the time stamp to begin recording app time |
163 _app_timer.update(); | |
164 if (UsePerfData) { | |
165 _safepoint_time_ticks->inc(_safepoint_timer.ticks_since_update()); | |
166 } | |
167 } | |
168 | |
169 void RuntimeService::record_application_start() { | |
170 // update the time stamp to begin recording app time | |
171 _app_timer.update(); | |
172 } | |
173 | |
174 // Don't need to record application end because we currently | |
175 // exit at a safepoint and record_safepoint_begin() handles updating | |
176 // the application time counter at VM exit. | |
177 | |
178 jlong RuntimeService::safepoint_sync_time_ms() { | |
179 return UsePerfData ? | |
180 Management::ticks_to_ms(_sync_time_ticks->get_value()) : -1; | |
181 } | |
182 | |
183 jlong RuntimeService::safepoint_count() { | |
184 return UsePerfData ? | |
185 _total_safepoints->get_value() : -1; | |
186 } | |
187 jlong RuntimeService::safepoint_time_ms() { | |
188 return UsePerfData ? | |
189 Management::ticks_to_ms(_safepoint_time_ticks->get_value()) : -1; | |
190 } | |
191 | |
192 jlong RuntimeService::application_time_ms() { | |
193 return UsePerfData ? | |
194 Management::ticks_to_ms(_application_time_ticks->get_value()) : -1; | |
195 } | |
196 | |
197 void RuntimeService::record_interrupted_before_count() { | |
198 if (UsePerfData) { | |
199 _interrupted_before_count->inc(); | |
200 } | |
201 } | |
202 | |
203 void RuntimeService::record_interrupted_during_count() { | |
204 if (UsePerfData) { | |
205 _interrupted_during_count->inc(); | |
206 } | |
207 } | |
208 | |
209 void RuntimeService::record_thread_interrupt_signaled_count() { | |
210 if (UsePerfData) { | |
211 _thread_interrupt_signaled_count->inc(); | |
212 } | |
213 } | |
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214 |
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215 #endif // INCLUDE_MANAGEMENT |