Mercurial > hg > truffle
annotate src/share/vm/services/runtimeService.cpp @ 20804:7848fc12602b
Merge with jdk8u40-b25
| author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
|---|---|
| date | Tue, 07 Apr 2015 14:58:49 +0200 |
| parents | 4ca6dc0799b6 6f06ebb09080 |
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| rev | line source |
|---|---|
| 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; | |
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49 double RuntimeService::_last_safepoint_sync_time_sec = 0.0; |
| 0 | 50 |
| 51 void RuntimeService::init() { | |
| 52 // Make sure the VM version is initialized | |
| 53 Abstract_VM_Version::initialize(); | |
| 54 | |
| 55 if (UsePerfData) { | |
| 56 EXCEPTION_MARK; | |
| 57 | |
| 58 _sync_time_ticks = | |
| 59 PerfDataManager::create_counter(SUN_RT, "safepointSyncTime", | |
| 60 PerfData::U_Ticks, CHECK); | |
| 61 | |
| 62 _total_safepoints = | |
| 63 PerfDataManager::create_counter(SUN_RT, "safepoints", | |
| 64 PerfData::U_Events, CHECK); | |
| 65 | |
| 66 _safepoint_time_ticks = | |
| 67 PerfDataManager::create_counter(SUN_RT, "safepointTime", | |
| 68 PerfData::U_Ticks, CHECK); | |
| 69 | |
| 70 _application_time_ticks = | |
| 71 PerfDataManager::create_counter(SUN_RT, "applicationTime", | |
| 72 PerfData::U_Ticks, CHECK); | |
| 73 | |
| 74 | |
| 75 // create performance counters for jvm_version and its capabilities | |
| 76 PerfDataManager::create_constant(SUN_RT, "jvmVersion", PerfData::U_None, | |
| 77 (jlong) Abstract_VM_Version::jvm_version(), CHECK); | |
| 78 | |
| 79 // I/O interruption related counters | |
| 80 | |
| 81 // thread signaling via os::interrupt() | |
| 82 | |
| 83 _thread_interrupt_signaled_count = | |
| 84 PerfDataManager::create_counter(SUN_RT, | |
| 85 "threadInterruptSignaled", PerfData::U_Events, CHECK); | |
| 86 | |
| 87 // OS_INTRPT via "check before" in _INTERRUPTIBLE | |
| 88 | |
| 89 _interrupted_before_count = | |
| 90 PerfDataManager::create_counter(SUN_RT, "interruptedBeforeIO", | |
| 91 PerfData::U_Events, CHECK); | |
| 92 | |
| 93 // OS_INTRPT via "check during" in _INTERRUPTIBLE | |
| 94 | |
| 95 _interrupted_during_count = | |
| 96 PerfDataManager::create_counter(SUN_RT, "interruptedDuringIO", | |
| 97 PerfData::U_Events, CHECK); | |
| 98 | |
| 99 // The capabilities counter is a binary representation of the VM capabilities in string. | |
| 100 // This string respresentation simplifies the implementation of the client side | |
| 101 // to parse the value. | |
| 102 char capabilities[65]; | |
| 103 size_t len = sizeof(capabilities); | |
| 104 memset((void*) capabilities, '0', len); | |
| 105 capabilities[len-1] = '\0'; | |
| 106 capabilities[0] = AttachListener::is_attach_supported() ? '1' : '0'; | |
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107 #if INCLUDE_SERVICES |
| 0 | 108 capabilities[1] = '1'; |
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109 #endif // INCLUDE_SERVICES |
| 0 | 110 PerfDataManager::create_string_constant(SUN_RT, "jvmCapabilities", |
| 111 capabilities, CHECK); | |
| 112 } | |
| 113 } | |
| 114 | |
| 115 void RuntimeService::record_safepoint_begin() { | |
| 4006 | 116 #ifndef USDT2 |
| 0 | 117 HS_DTRACE_PROBE(hs_private, safepoint__begin); |
| 4006 | 118 #else /* USDT2 */ |
| 119 HS_PRIVATE_SAFEPOINT_BEGIN(); | |
| 120 #endif /* USDT2 */ | |
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121 |
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122 // Print the time interval in which the app was executing |
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123 if (PrintGCApplicationConcurrentTime && _app_timer.is_updated()) { |
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124 gclog_or_tty->date_stamp(PrintGCDateStamps); |
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125 gclog_or_tty->stamp(PrintGCTimeStamps); |
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126 gclog_or_tty->print_cr("Application time: %3.7f seconds", |
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127 last_application_time_sec()); |
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128 } |
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129 |
| 0 | 130 // update the time stamp to begin recording safepoint time |
| 131 _safepoint_timer.update(); | |
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132 _last_safepoint_sync_time_sec = 0.0; |
| 0 | 133 if (UsePerfData) { |
| 134 _total_safepoints->inc(); | |
| 135 if (_app_timer.is_updated()) { | |
| 136 _application_time_ticks->inc(_app_timer.ticks_since_update()); | |
| 137 } | |
| 138 } | |
| 139 } | |
| 140 | |
| 141 void RuntimeService::record_safepoint_synchronized() { | |
| 142 if (UsePerfData) { | |
| 143 _sync_time_ticks->inc(_safepoint_timer.ticks_since_update()); | |
| 144 } | |
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145 if (PrintGCApplicationStoppedTime) { |
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146 _last_safepoint_sync_time_sec = last_safepoint_time_sec(); |
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147 } |
| 0 | 148 } |
| 149 | |
| 150 void RuntimeService::record_safepoint_end() { | |
| 4006 | 151 #ifndef USDT2 |
| 0 | 152 HS_DTRACE_PROBE(hs_private, safepoint__end); |
| 4006 | 153 #else /* USDT2 */ |
| 154 HS_PRIVATE_SAFEPOINT_END(); | |
| 155 #endif /* USDT2 */ | |
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156 |
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157 // Print the time interval for which the app was stopped |
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158 // during the current safepoint operation. |
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159 if (PrintGCApplicationStoppedTime) { |
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160 gclog_or_tty->date_stamp(PrintGCDateStamps); |
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161 gclog_or_tty->stamp(PrintGCTimeStamps); |
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162 gclog_or_tty->print_cr("Total time for which application threads " |
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163 "were stopped: %3.7f seconds, " |
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164 "Stopping threads took: %3.7f seconds", |
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165 last_safepoint_time_sec(), |
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166 _last_safepoint_sync_time_sec); |
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167 } |
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168 |
| 0 | 169 // update the time stamp to begin recording app time |
| 170 _app_timer.update(); | |
| 171 if (UsePerfData) { | |
| 172 _safepoint_time_ticks->inc(_safepoint_timer.ticks_since_update()); | |
| 173 } | |
| 174 } | |
| 175 | |
| 176 void RuntimeService::record_application_start() { | |
| 177 // update the time stamp to begin recording app time | |
| 178 _app_timer.update(); | |
| 179 } | |
| 180 | |
| 181 // Don't need to record application end because we currently | |
| 182 // exit at a safepoint and record_safepoint_begin() handles updating | |
| 183 // the application time counter at VM exit. | |
| 184 | |
| 185 jlong RuntimeService::safepoint_sync_time_ms() { | |
| 186 return UsePerfData ? | |
| 187 Management::ticks_to_ms(_sync_time_ticks->get_value()) : -1; | |
| 188 } | |
| 189 | |
| 190 jlong RuntimeService::safepoint_count() { | |
| 191 return UsePerfData ? | |
| 192 _total_safepoints->get_value() : -1; | |
| 193 } | |
| 194 jlong RuntimeService::safepoint_time_ms() { | |
| 195 return UsePerfData ? | |
| 196 Management::ticks_to_ms(_safepoint_time_ticks->get_value()) : -1; | |
| 197 } | |
| 198 | |
| 199 jlong RuntimeService::application_time_ms() { | |
| 200 return UsePerfData ? | |
| 201 Management::ticks_to_ms(_application_time_ticks->get_value()) : -1; | |
| 202 } | |
| 203 | |
| 204 void RuntimeService::record_interrupted_before_count() { | |
| 205 if (UsePerfData) { | |
| 206 _interrupted_before_count->inc(); | |
| 207 } | |
| 208 } | |
| 209 | |
| 210 void RuntimeService::record_interrupted_during_count() { | |
| 211 if (UsePerfData) { | |
| 212 _interrupted_during_count->inc(); | |
| 213 } | |
| 214 } | |
| 215 | |
| 216 void RuntimeService::record_thread_interrupt_signaled_count() { | |
| 217 if (UsePerfData) { | |
| 218 _thread_interrupt_signaled_count->inc(); | |
| 219 } | |
| 220 } | |
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221 |
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222 #endif // INCLUDE_MANAGEMENT |