Tue, 09 Oct 2012 10:09:34 -0700
7197424: update copyright year to match last edit in jdk8 hotspot repository
Summary: Update copyright year to 2012 for relevant files
Reviewed-by: dholmes, coleenp
duke@435 | 1 | /* |
trims@1907 | 2 | * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #include "precompiled.hpp" |
stefank@2314 | 26 | #include "classfile/classLoader.hpp" |
stefank@2314 | 27 | #include "services/attachListener.hpp" |
stefank@2314 | 28 | #include "services/management.hpp" |
stefank@2314 | 29 | #include "services/runtimeService.hpp" |
stefank@2314 | 30 | #include "utilities/dtrace.hpp" |
stefank@2314 | 31 | #include "utilities/exceptions.hpp" |
duke@435 | 32 | |
dcubed@3202 | 33 | #ifndef USDT2 |
duke@435 | 34 | HS_DTRACE_PROBE_DECL(hs_private, safepoint__begin); |
duke@435 | 35 | HS_DTRACE_PROBE_DECL(hs_private, safepoint__end); |
dcubed@3202 | 36 | #endif /* !USDT2 */ |
duke@435 | 37 | |
duke@435 | 38 | TimeStamp RuntimeService::_app_timer; |
duke@435 | 39 | TimeStamp RuntimeService::_safepoint_timer; |
duke@435 | 40 | PerfCounter* RuntimeService::_sync_time_ticks = NULL; |
duke@435 | 41 | PerfCounter* RuntimeService::_total_safepoints = NULL; |
duke@435 | 42 | PerfCounter* RuntimeService::_safepoint_time_ticks = NULL; |
duke@435 | 43 | PerfCounter* RuntimeService::_application_time_ticks = NULL; |
duke@435 | 44 | PerfCounter* RuntimeService::_thread_interrupt_signaled_count = NULL; |
duke@435 | 45 | PerfCounter* RuntimeService::_interrupted_before_count = NULL; |
duke@435 | 46 | PerfCounter* RuntimeService::_interrupted_during_count = NULL; |
duke@435 | 47 | |
duke@435 | 48 | void RuntimeService::init() { |
duke@435 | 49 | // Make sure the VM version is initialized |
duke@435 | 50 | Abstract_VM_Version::initialize(); |
duke@435 | 51 | |
duke@435 | 52 | if (UsePerfData) { |
duke@435 | 53 | EXCEPTION_MARK; |
duke@435 | 54 | |
duke@435 | 55 | _sync_time_ticks = |
duke@435 | 56 | PerfDataManager::create_counter(SUN_RT, "safepointSyncTime", |
duke@435 | 57 | PerfData::U_Ticks, CHECK); |
duke@435 | 58 | |
duke@435 | 59 | _total_safepoints = |
duke@435 | 60 | PerfDataManager::create_counter(SUN_RT, "safepoints", |
duke@435 | 61 | PerfData::U_Events, CHECK); |
duke@435 | 62 | |
duke@435 | 63 | _safepoint_time_ticks = |
duke@435 | 64 | PerfDataManager::create_counter(SUN_RT, "safepointTime", |
duke@435 | 65 | PerfData::U_Ticks, CHECK); |
duke@435 | 66 | |
duke@435 | 67 | _application_time_ticks = |
duke@435 | 68 | PerfDataManager::create_counter(SUN_RT, "applicationTime", |
duke@435 | 69 | PerfData::U_Ticks, CHECK); |
duke@435 | 70 | |
duke@435 | 71 | |
duke@435 | 72 | // create performance counters for jvm_version and its capabilities |
duke@435 | 73 | PerfDataManager::create_constant(SUN_RT, "jvmVersion", PerfData::U_None, |
duke@435 | 74 | (jlong) Abstract_VM_Version::jvm_version(), CHECK); |
duke@435 | 75 | |
duke@435 | 76 | // I/O interruption related counters |
duke@435 | 77 | |
duke@435 | 78 | // thread signaling via os::interrupt() |
duke@435 | 79 | |
duke@435 | 80 | _thread_interrupt_signaled_count = |
duke@435 | 81 | PerfDataManager::create_counter(SUN_RT, |
duke@435 | 82 | "threadInterruptSignaled", PerfData::U_Events, CHECK); |
duke@435 | 83 | |
duke@435 | 84 | // OS_INTRPT via "check before" in _INTERRUPTIBLE |
duke@435 | 85 | |
duke@435 | 86 | _interrupted_before_count = |
duke@435 | 87 | PerfDataManager::create_counter(SUN_RT, "interruptedBeforeIO", |
duke@435 | 88 | PerfData::U_Events, CHECK); |
duke@435 | 89 | |
duke@435 | 90 | // OS_INTRPT via "check during" in _INTERRUPTIBLE |
duke@435 | 91 | |
duke@435 | 92 | _interrupted_during_count = |
duke@435 | 93 | PerfDataManager::create_counter(SUN_RT, "interruptedDuringIO", |
duke@435 | 94 | PerfData::U_Events, CHECK); |
duke@435 | 95 | |
duke@435 | 96 | // The capabilities counter is a binary representation of the VM capabilities in string. |
duke@435 | 97 | // This string respresentation simplifies the implementation of the client side |
duke@435 | 98 | // to parse the value. |
duke@435 | 99 | char capabilities[65]; |
duke@435 | 100 | size_t len = sizeof(capabilities); |
duke@435 | 101 | memset((void*) capabilities, '0', len); |
duke@435 | 102 | capabilities[len-1] = '\0'; |
duke@435 | 103 | capabilities[0] = AttachListener::is_attach_supported() ? '1' : '0'; |
duke@435 | 104 | #ifdef KERNEL |
duke@435 | 105 | capabilities[1] = '1'; |
duke@435 | 106 | #endif // KERNEL |
duke@435 | 107 | PerfDataManager::create_string_constant(SUN_RT, "jvmCapabilities", |
duke@435 | 108 | capabilities, CHECK); |
duke@435 | 109 | } |
duke@435 | 110 | } |
duke@435 | 111 | |
duke@435 | 112 | void RuntimeService::record_safepoint_begin() { |
dcubed@3202 | 113 | #ifndef USDT2 |
duke@435 | 114 | HS_DTRACE_PROBE(hs_private, safepoint__begin); |
dcubed@3202 | 115 | #else /* USDT2 */ |
dcubed@3202 | 116 | HS_PRIVATE_SAFEPOINT_BEGIN(); |
dcubed@3202 | 117 | #endif /* USDT2 */ |
johnc@1695 | 118 | |
johnc@1695 | 119 | // Print the time interval in which the app was executing |
johnc@1695 | 120 | if (PrintGCApplicationConcurrentTime) { |
johnc@1695 | 121 | gclog_or_tty->print_cr("Application time: %3.7f seconds", |
johnc@1695 | 122 | last_application_time_sec()); |
johnc@1695 | 123 | } |
johnc@1695 | 124 | |
duke@435 | 125 | // update the time stamp to begin recording safepoint time |
duke@435 | 126 | _safepoint_timer.update(); |
duke@435 | 127 | if (UsePerfData) { |
duke@435 | 128 | _total_safepoints->inc(); |
duke@435 | 129 | if (_app_timer.is_updated()) { |
duke@435 | 130 | _application_time_ticks->inc(_app_timer.ticks_since_update()); |
duke@435 | 131 | } |
duke@435 | 132 | } |
duke@435 | 133 | } |
duke@435 | 134 | |
duke@435 | 135 | void RuntimeService::record_safepoint_synchronized() { |
duke@435 | 136 | if (UsePerfData) { |
duke@435 | 137 | _sync_time_ticks->inc(_safepoint_timer.ticks_since_update()); |
duke@435 | 138 | } |
duke@435 | 139 | } |
duke@435 | 140 | |
duke@435 | 141 | void RuntimeService::record_safepoint_end() { |
dcubed@3202 | 142 | #ifndef USDT2 |
duke@435 | 143 | HS_DTRACE_PROBE(hs_private, safepoint__end); |
dcubed@3202 | 144 | #else /* USDT2 */ |
dcubed@3202 | 145 | HS_PRIVATE_SAFEPOINT_END(); |
dcubed@3202 | 146 | #endif /* USDT2 */ |
johnc@1695 | 147 | |
johnc@1695 | 148 | // Print the time interval for which the app was stopped |
johnc@1695 | 149 | // during the current safepoint operation. |
johnc@1695 | 150 | if (PrintGCApplicationStoppedTime) { |
johnc@1695 | 151 | gclog_or_tty->print_cr("Total time for which application threads " |
johnc@1695 | 152 | "were stopped: %3.7f seconds", |
johnc@1695 | 153 | last_safepoint_time_sec()); |
johnc@1695 | 154 | } |
johnc@1695 | 155 | |
duke@435 | 156 | // update the time stamp to begin recording app time |
duke@435 | 157 | _app_timer.update(); |
duke@435 | 158 | if (UsePerfData) { |
duke@435 | 159 | _safepoint_time_ticks->inc(_safepoint_timer.ticks_since_update()); |
duke@435 | 160 | } |
duke@435 | 161 | } |
duke@435 | 162 | |
duke@435 | 163 | void RuntimeService::record_application_start() { |
duke@435 | 164 | // update the time stamp to begin recording app time |
duke@435 | 165 | _app_timer.update(); |
duke@435 | 166 | } |
duke@435 | 167 | |
duke@435 | 168 | // Don't need to record application end because we currently |
duke@435 | 169 | // exit at a safepoint and record_safepoint_begin() handles updating |
duke@435 | 170 | // the application time counter at VM exit. |
duke@435 | 171 | |
duke@435 | 172 | jlong RuntimeService::safepoint_sync_time_ms() { |
duke@435 | 173 | return UsePerfData ? |
duke@435 | 174 | Management::ticks_to_ms(_sync_time_ticks->get_value()) : -1; |
duke@435 | 175 | } |
duke@435 | 176 | |
duke@435 | 177 | jlong RuntimeService::safepoint_count() { |
duke@435 | 178 | return UsePerfData ? |
duke@435 | 179 | _total_safepoints->get_value() : -1; |
duke@435 | 180 | } |
duke@435 | 181 | jlong RuntimeService::safepoint_time_ms() { |
duke@435 | 182 | return UsePerfData ? |
duke@435 | 183 | Management::ticks_to_ms(_safepoint_time_ticks->get_value()) : -1; |
duke@435 | 184 | } |
duke@435 | 185 | |
duke@435 | 186 | jlong RuntimeService::application_time_ms() { |
duke@435 | 187 | return UsePerfData ? |
duke@435 | 188 | Management::ticks_to_ms(_application_time_ticks->get_value()) : -1; |
duke@435 | 189 | } |
duke@435 | 190 | |
duke@435 | 191 | void RuntimeService::record_interrupted_before_count() { |
duke@435 | 192 | if (UsePerfData) { |
duke@435 | 193 | _interrupted_before_count->inc(); |
duke@435 | 194 | } |
duke@435 | 195 | } |
duke@435 | 196 | |
duke@435 | 197 | void RuntimeService::record_interrupted_during_count() { |
duke@435 | 198 | if (UsePerfData) { |
duke@435 | 199 | _interrupted_during_count->inc(); |
duke@435 | 200 | } |
duke@435 | 201 | } |
duke@435 | 202 | |
duke@435 | 203 | void RuntimeService::record_thread_interrupt_signaled_count() { |
duke@435 | 204 | if (UsePerfData) { |
duke@435 | 205 | _thread_interrupt_signaled_count->inc(); |
duke@435 | 206 | } |
duke@435 | 207 | } |