Mercurial > hg > truffle
annotate src/share/vm/services/runtimeService.cpp @ 14509:b3e1a903b6e8
8035283: Second phase of branch shortening doesn't account for loop alignment
Summary: added missing check for loop padding case.
Reviewed-by: kvn, jrose
| author | iveresov |
|---|---|
| date | Wed, 26 Feb 2014 16:45:15 -0800 |
| parents | e6195383bcaf |
| children | 4ca6dc0799b6 |
| 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 |
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34 #if INCLUDE_MANAGEMENT |
| 0 | 35 TimeStamp RuntimeService::_app_timer; |
| 36 TimeStamp RuntimeService::_safepoint_timer; | |
| 37 PerfCounter* RuntimeService::_sync_time_ticks = NULL; | |
| 38 PerfCounter* RuntimeService::_total_safepoints = NULL; | |
| 39 PerfCounter* RuntimeService::_safepoint_time_ticks = NULL; | |
| 40 PerfCounter* RuntimeService::_application_time_ticks = NULL; | |
| 41 PerfCounter* RuntimeService::_thread_interrupt_signaled_count = NULL; | |
| 42 PerfCounter* RuntimeService::_interrupted_before_count = NULL; | |
| 43 PerfCounter* RuntimeService::_interrupted_during_count = NULL; | |
| 44 | |
| 45 void RuntimeService::init() { | |
| 46 // Make sure the VM version is initialized | |
| 47 Abstract_VM_Version::initialize(); | |
| 48 | |
| 49 if (UsePerfData) { | |
| 50 EXCEPTION_MARK; | |
| 51 | |
| 52 _sync_time_ticks = | |
| 53 PerfDataManager::create_counter(SUN_RT, "safepointSyncTime", | |
| 54 PerfData::U_Ticks, CHECK); | |
| 55 | |
| 56 _total_safepoints = | |
| 57 PerfDataManager::create_counter(SUN_RT, "safepoints", | |
| 58 PerfData::U_Events, CHECK); | |
| 59 | |
| 60 _safepoint_time_ticks = | |
| 61 PerfDataManager::create_counter(SUN_RT, "safepointTime", | |
| 62 PerfData::U_Ticks, CHECK); | |
| 63 | |
| 64 _application_time_ticks = | |
| 65 PerfDataManager::create_counter(SUN_RT, "applicationTime", | |
| 66 PerfData::U_Ticks, CHECK); | |
| 67 | |
| 68 | |
| 69 // create performance counters for jvm_version and its capabilities | |
| 70 PerfDataManager::create_constant(SUN_RT, "jvmVersion", PerfData::U_None, | |
| 71 (jlong) Abstract_VM_Version::jvm_version(), CHECK); | |
| 72 | |
| 73 // I/O interruption related counters | |
| 74 | |
| 75 // thread signaling via os::interrupt() | |
| 76 | |
| 77 _thread_interrupt_signaled_count = | |
| 78 PerfDataManager::create_counter(SUN_RT, | |
| 79 "threadInterruptSignaled", PerfData::U_Events, CHECK); | |
| 80 | |
| 81 // OS_INTRPT via "check before" in _INTERRUPTIBLE | |
| 82 | |
| 83 _interrupted_before_count = | |
| 84 PerfDataManager::create_counter(SUN_RT, "interruptedBeforeIO", | |
| 85 PerfData::U_Events, CHECK); | |
| 86 | |
| 87 // OS_INTRPT via "check during" in _INTERRUPTIBLE | |
| 88 | |
| 89 _interrupted_during_count = | |
| 90 PerfDataManager::create_counter(SUN_RT, "interruptedDuringIO", | |
| 91 PerfData::U_Events, CHECK); | |
| 92 | |
| 93 // The capabilities counter is a binary representation of the VM capabilities in string. | |
| 94 // This string respresentation simplifies the implementation of the client side | |
| 95 // to parse the value. | |
| 96 char capabilities[65]; | |
| 97 size_t len = sizeof(capabilities); | |
| 98 memset((void*) capabilities, '0', len); | |
| 99 capabilities[len-1] = '\0'; | |
| 100 capabilities[0] = AttachListener::is_attach_supported() ? '1' : '0'; | |
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101 #if INCLUDE_SERVICES |
| 0 | 102 capabilities[1] = '1'; |
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103 #endif // INCLUDE_SERVICES |
| 0 | 104 PerfDataManager::create_string_constant(SUN_RT, "jvmCapabilities", |
| 105 capabilities, CHECK); | |
| 106 } | |
| 107 } | |
| 108 | |
| 109 void RuntimeService::record_safepoint_begin() { | |
| 4006 | 110 HS_PRIVATE_SAFEPOINT_BEGIN(); |
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111 |
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112 // Print the time interval in which the app was executing |
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113 if (PrintGCApplicationConcurrentTime && _app_timer.is_updated()) { |
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114 gclog_or_tty->date_stamp(PrintGCDateStamps); |
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115 gclog_or_tty->stamp(PrintGCTimeStamps); |
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116 gclog_or_tty->print_cr("Application time: %3.7f seconds", |
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117 last_application_time_sec()); |
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118 } |
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119 |
| 0 | 120 // update the time stamp to begin recording safepoint time |
| 121 _safepoint_timer.update(); | |
| 122 if (UsePerfData) { | |
| 123 _total_safepoints->inc(); | |
| 124 if (_app_timer.is_updated()) { | |
| 125 _application_time_ticks->inc(_app_timer.ticks_since_update()); | |
| 126 } | |
| 127 } | |
| 128 } | |
| 129 | |
| 130 void RuntimeService::record_safepoint_synchronized() { | |
| 131 if (UsePerfData) { | |
| 132 _sync_time_ticks->inc(_safepoint_timer.ticks_since_update()); | |
| 133 } | |
| 134 } | |
| 135 | |
| 136 void RuntimeService::record_safepoint_end() { | |
| 4006 | 137 HS_PRIVATE_SAFEPOINT_END(); |
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138 |
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139 // Print the time interval for which the app was stopped |
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140 // during the current safepoint operation. |
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141 if (PrintGCApplicationStoppedTime) { |
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142 gclog_or_tty->date_stamp(PrintGCDateStamps); |
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143 gclog_or_tty->stamp(PrintGCTimeStamps); |
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144 gclog_or_tty->print_cr("Total time for which application threads " |
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145 "were stopped: %3.7f seconds", |
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146 last_safepoint_time_sec()); |
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147 } |
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148 |
| 0 | 149 // update the time stamp to begin recording app time |
| 150 _app_timer.update(); | |
| 151 if (UsePerfData) { | |
| 152 _safepoint_time_ticks->inc(_safepoint_timer.ticks_since_update()); | |
| 153 } | |
| 154 } | |
| 155 | |
| 156 void RuntimeService::record_application_start() { | |
| 157 // update the time stamp to begin recording app time | |
| 158 _app_timer.update(); | |
| 159 } | |
| 160 | |
| 161 // Don't need to record application end because we currently | |
| 162 // exit at a safepoint and record_safepoint_begin() handles updating | |
| 163 // the application time counter at VM exit. | |
| 164 | |
| 165 jlong RuntimeService::safepoint_sync_time_ms() { | |
| 166 return UsePerfData ? | |
| 167 Management::ticks_to_ms(_sync_time_ticks->get_value()) : -1; | |
| 168 } | |
| 169 | |
| 170 jlong RuntimeService::safepoint_count() { | |
| 171 return UsePerfData ? | |
| 172 _total_safepoints->get_value() : -1; | |
| 173 } | |
| 174 jlong RuntimeService::safepoint_time_ms() { | |
| 175 return UsePerfData ? | |
| 176 Management::ticks_to_ms(_safepoint_time_ticks->get_value()) : -1; | |
| 177 } | |
| 178 | |
| 179 jlong RuntimeService::application_time_ms() { | |
| 180 return UsePerfData ? | |
| 181 Management::ticks_to_ms(_application_time_ticks->get_value()) : -1; | |
| 182 } | |
| 183 | |
| 184 void RuntimeService::record_interrupted_before_count() { | |
| 185 if (UsePerfData) { | |
| 186 _interrupted_before_count->inc(); | |
| 187 } | |
| 188 } | |
| 189 | |
| 190 void RuntimeService::record_interrupted_during_count() { | |
| 191 if (UsePerfData) { | |
| 192 _interrupted_during_count->inc(); | |
| 193 } | |
| 194 } | |
| 195 | |
| 196 void RuntimeService::record_thread_interrupt_signaled_count() { | |
| 197 if (UsePerfData) { | |
| 198 _thread_interrupt_signaled_count->inc(); | |
| 199 } | |
| 200 } | |
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201 |
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202 #endif // INCLUDE_MANAGEMENT |