Wed, 03 Jul 2019 20:42:37 +0800
Merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | #include "precompiled.hpp" |
aoqi@0 | 26 | #include "classfile/classLoader.hpp" |
aoqi@0 | 27 | #include "services/attachListener.hpp" |
aoqi@0 | 28 | #include "services/management.hpp" |
aoqi@0 | 29 | #include "services/runtimeService.hpp" |
aoqi@0 | 30 | #include "utilities/dtrace.hpp" |
aoqi@0 | 31 | #include "utilities/exceptions.hpp" |
aoqi@0 | 32 | #include "utilities/macros.hpp" |
aoqi@0 | 33 | |
aoqi@0 | 34 | #ifndef USDT2 |
aoqi@0 | 35 | HS_DTRACE_PROBE_DECL(hs_private, safepoint__begin); |
aoqi@0 | 36 | HS_DTRACE_PROBE_DECL(hs_private, safepoint__end); |
aoqi@0 | 37 | #endif /* !USDT2 */ |
aoqi@0 | 38 | |
aoqi@0 | 39 | #if INCLUDE_MANAGEMENT |
aoqi@0 | 40 | TimeStamp RuntimeService::_app_timer; |
aoqi@0 | 41 | TimeStamp RuntimeService::_safepoint_timer; |
aoqi@0 | 42 | PerfCounter* RuntimeService::_sync_time_ticks = NULL; |
aoqi@0 | 43 | PerfCounter* RuntimeService::_total_safepoints = NULL; |
aoqi@0 | 44 | PerfCounter* RuntimeService::_safepoint_time_ticks = NULL; |
aoqi@0 | 45 | PerfCounter* RuntimeService::_application_time_ticks = NULL; |
aoqi@0 | 46 | PerfCounter* RuntimeService::_thread_interrupt_signaled_count = NULL; |
aoqi@0 | 47 | PerfCounter* RuntimeService::_interrupted_before_count = NULL; |
aoqi@0 | 48 | PerfCounter* RuntimeService::_interrupted_during_count = NULL; |
vkempik@7326 | 49 | double RuntimeService::_last_safepoint_sync_time_sec = 0.0; |
aoqi@0 | 50 | |
aoqi@0 | 51 | void RuntimeService::init() { |
aoqi@0 | 52 | // Make sure the VM version is initialized |
aoqi@0 | 53 | Abstract_VM_Version::initialize(); |
aoqi@0 | 54 | |
aoqi@0 | 55 | if (UsePerfData) { |
aoqi@0 | 56 | EXCEPTION_MARK; |
aoqi@0 | 57 | |
aoqi@0 | 58 | _sync_time_ticks = |
aoqi@0 | 59 | PerfDataManager::create_counter(SUN_RT, "safepointSyncTime", |
aoqi@0 | 60 | PerfData::U_Ticks, CHECK); |
aoqi@0 | 61 | |
aoqi@0 | 62 | _total_safepoints = |
aoqi@0 | 63 | PerfDataManager::create_counter(SUN_RT, "safepoints", |
aoqi@0 | 64 | PerfData::U_Events, CHECK); |
aoqi@0 | 65 | |
aoqi@0 | 66 | _safepoint_time_ticks = |
aoqi@0 | 67 | PerfDataManager::create_counter(SUN_RT, "safepointTime", |
aoqi@0 | 68 | PerfData::U_Ticks, CHECK); |
aoqi@0 | 69 | |
aoqi@0 | 70 | _application_time_ticks = |
aoqi@0 | 71 | PerfDataManager::create_counter(SUN_RT, "applicationTime", |
aoqi@0 | 72 | PerfData::U_Ticks, CHECK); |
aoqi@0 | 73 | |
aoqi@0 | 74 | |
aoqi@0 | 75 | // create performance counters for jvm_version and its capabilities |
aoqi@0 | 76 | PerfDataManager::create_constant(SUN_RT, "jvmVersion", PerfData::U_None, |
aoqi@0 | 77 | (jlong) Abstract_VM_Version::jvm_version(), CHECK); |
aoqi@0 | 78 | |
aoqi@0 | 79 | // I/O interruption related counters |
aoqi@0 | 80 | |
aoqi@0 | 81 | // thread signaling via os::interrupt() |
aoqi@0 | 82 | |
aoqi@0 | 83 | _thread_interrupt_signaled_count = |
aoqi@0 | 84 | PerfDataManager::create_counter(SUN_RT, |
aoqi@0 | 85 | "threadInterruptSignaled", PerfData::U_Events, CHECK); |
aoqi@0 | 86 | |
aoqi@0 | 87 | // OS_INTRPT via "check before" in _INTERRUPTIBLE |
aoqi@0 | 88 | |
aoqi@0 | 89 | _interrupted_before_count = |
aoqi@0 | 90 | PerfDataManager::create_counter(SUN_RT, "interruptedBeforeIO", |
aoqi@0 | 91 | PerfData::U_Events, CHECK); |
aoqi@0 | 92 | |
aoqi@0 | 93 | // OS_INTRPT via "check during" in _INTERRUPTIBLE |
aoqi@0 | 94 | |
aoqi@0 | 95 | _interrupted_during_count = |
aoqi@0 | 96 | PerfDataManager::create_counter(SUN_RT, "interruptedDuringIO", |
aoqi@0 | 97 | PerfData::U_Events, CHECK); |
aoqi@0 | 98 | |
aoqi@0 | 99 | // The capabilities counter is a binary representation of the VM capabilities in string. |
aoqi@0 | 100 | // This string respresentation simplifies the implementation of the client side |
aoqi@0 | 101 | // to parse the value. |
aoqi@0 | 102 | char capabilities[65]; |
aoqi@0 | 103 | size_t len = sizeof(capabilities); |
aoqi@0 | 104 | memset((void*) capabilities, '0', len); |
aoqi@0 | 105 | capabilities[len-1] = '\0'; |
aoqi@0 | 106 | capabilities[0] = AttachListener::is_attach_supported() ? '1' : '0'; |
aoqi@0 | 107 | #if INCLUDE_SERVICES |
aoqi@0 | 108 | capabilities[1] = '1'; |
aoqi@0 | 109 | #endif // INCLUDE_SERVICES |
aoqi@0 | 110 | PerfDataManager::create_string_constant(SUN_RT, "jvmCapabilities", |
aoqi@0 | 111 | capabilities, CHECK); |
aoqi@0 | 112 | } |
aoqi@0 | 113 | } |
aoqi@0 | 114 | |
aoqi@0 | 115 | void RuntimeService::record_safepoint_begin() { |
aoqi@0 | 116 | #ifndef USDT2 |
aoqi@0 | 117 | HS_DTRACE_PROBE(hs_private, safepoint__begin); |
aoqi@0 | 118 | #else /* USDT2 */ |
aoqi@0 | 119 | HS_PRIVATE_SAFEPOINT_BEGIN(); |
aoqi@0 | 120 | #endif /* USDT2 */ |
aoqi@0 | 121 | |
aoqi@0 | 122 | // Print the time interval in which the app was executing |
aoqi@0 | 123 | if (PrintGCApplicationConcurrentTime && _app_timer.is_updated()) { |
aoqi@0 | 124 | gclog_or_tty->date_stamp(PrintGCDateStamps); |
aoqi@0 | 125 | gclog_or_tty->stamp(PrintGCTimeStamps); |
aoqi@0 | 126 | gclog_or_tty->print_cr("Application time: %3.7f seconds", |
aoqi@0 | 127 | last_application_time_sec()); |
aoqi@0 | 128 | } |
aoqi@0 | 129 | |
aoqi@0 | 130 | // update the time stamp to begin recording safepoint time |
aoqi@0 | 131 | _safepoint_timer.update(); |
vkempik@7326 | 132 | _last_safepoint_sync_time_sec = 0.0; |
aoqi@0 | 133 | if (UsePerfData) { |
aoqi@0 | 134 | _total_safepoints->inc(); |
aoqi@0 | 135 | if (_app_timer.is_updated()) { |
aoqi@0 | 136 | _application_time_ticks->inc(_app_timer.ticks_since_update()); |
aoqi@0 | 137 | } |
aoqi@0 | 138 | } |
aoqi@0 | 139 | } |
aoqi@0 | 140 | |
aoqi@0 | 141 | void RuntimeService::record_safepoint_synchronized() { |
aoqi@0 | 142 | if (UsePerfData) { |
aoqi@0 | 143 | _sync_time_ticks->inc(_safepoint_timer.ticks_since_update()); |
aoqi@0 | 144 | } |
vkempik@7326 | 145 | if (PrintGCApplicationStoppedTime) { |
vkempik@7326 | 146 | _last_safepoint_sync_time_sec = last_safepoint_time_sec(); |
vkempik@7326 | 147 | } |
aoqi@0 | 148 | } |
aoqi@0 | 149 | |
aoqi@0 | 150 | void RuntimeService::record_safepoint_end() { |
aoqi@0 | 151 | #ifndef USDT2 |
aoqi@0 | 152 | HS_DTRACE_PROBE(hs_private, safepoint__end); |
aoqi@0 | 153 | #else /* USDT2 */ |
aoqi@0 | 154 | HS_PRIVATE_SAFEPOINT_END(); |
aoqi@0 | 155 | #endif /* USDT2 */ |
aoqi@0 | 156 | |
aoqi@0 | 157 | // Print the time interval for which the app was stopped |
aoqi@0 | 158 | // during the current safepoint operation. |
aoqi@0 | 159 | if (PrintGCApplicationStoppedTime) { |
aoqi@0 | 160 | gclog_or_tty->date_stamp(PrintGCDateStamps); |
aoqi@0 | 161 | gclog_or_tty->stamp(PrintGCTimeStamps); |
aoqi@0 | 162 | gclog_or_tty->print_cr("Total time for which application threads " |
vkempik@7326 | 163 | "were stopped: %3.7f seconds, " |
vkempik@7326 | 164 | "Stopping threads took: %3.7f seconds", |
vkempik@7326 | 165 | last_safepoint_time_sec(), |
vkempik@7326 | 166 | _last_safepoint_sync_time_sec); |
aoqi@0 | 167 | } |
aoqi@0 | 168 | |
aoqi@0 | 169 | // update the time stamp to begin recording app time |
aoqi@0 | 170 | _app_timer.update(); |
aoqi@0 | 171 | if (UsePerfData) { |
aoqi@0 | 172 | _safepoint_time_ticks->inc(_safepoint_timer.ticks_since_update()); |
aoqi@0 | 173 | } |
aoqi@0 | 174 | } |
aoqi@0 | 175 | |
aoqi@0 | 176 | void RuntimeService::record_application_start() { |
aoqi@0 | 177 | // update the time stamp to begin recording app time |
aoqi@0 | 178 | _app_timer.update(); |
aoqi@0 | 179 | } |
aoqi@0 | 180 | |
aoqi@0 | 181 | // Don't need to record application end because we currently |
aoqi@0 | 182 | // exit at a safepoint and record_safepoint_begin() handles updating |
aoqi@0 | 183 | // the application time counter at VM exit. |
aoqi@0 | 184 | |
aoqi@0 | 185 | jlong RuntimeService::safepoint_sync_time_ms() { |
aoqi@0 | 186 | return UsePerfData ? |
aoqi@0 | 187 | Management::ticks_to_ms(_sync_time_ticks->get_value()) : -1; |
aoqi@0 | 188 | } |
aoqi@0 | 189 | |
aoqi@0 | 190 | jlong RuntimeService::safepoint_count() { |
aoqi@0 | 191 | return UsePerfData ? |
aoqi@0 | 192 | _total_safepoints->get_value() : -1; |
aoqi@0 | 193 | } |
aoqi@0 | 194 | jlong RuntimeService::safepoint_time_ms() { |
aoqi@0 | 195 | return UsePerfData ? |
aoqi@0 | 196 | Management::ticks_to_ms(_safepoint_time_ticks->get_value()) : -1; |
aoqi@0 | 197 | } |
aoqi@0 | 198 | |
aoqi@0 | 199 | jlong RuntimeService::application_time_ms() { |
aoqi@0 | 200 | return UsePerfData ? |
aoqi@0 | 201 | Management::ticks_to_ms(_application_time_ticks->get_value()) : -1; |
aoqi@0 | 202 | } |
aoqi@0 | 203 | |
aoqi@0 | 204 | void RuntimeService::record_interrupted_before_count() { |
aoqi@0 | 205 | if (UsePerfData) { |
aoqi@0 | 206 | _interrupted_before_count->inc(); |
aoqi@0 | 207 | } |
aoqi@0 | 208 | } |
aoqi@0 | 209 | |
aoqi@0 | 210 | void RuntimeService::record_interrupted_during_count() { |
aoqi@0 | 211 | if (UsePerfData) { |
aoqi@0 | 212 | _interrupted_during_count->inc(); |
aoqi@0 | 213 | } |
aoqi@0 | 214 | } |
aoqi@0 | 215 | |
aoqi@0 | 216 | void RuntimeService::record_thread_interrupt_signaled_count() { |
aoqi@0 | 217 | if (UsePerfData) { |
aoqi@0 | 218 | _thread_interrupt_signaled_count->inc(); |
aoqi@0 | 219 | } |
aoqi@0 | 220 | } |
aoqi@0 | 221 | |
aoqi@0 | 222 | #endif // INCLUDE_MANAGEMENT |