Fri, 29 Apr 2016 00:06:10 +0800
Added MIPS 64-bit port.
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2001, 2011, 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@1 | 25 | /* |
aoqi@1 | 26 | * This file has been modified by Loongson Technology in 2015. These |
aoqi@1 | 27 | * modifications are Copyright (c) 2015 Loongson Technology, and are made |
aoqi@1 | 28 | * available on the same license terms set forth above. |
aoqi@1 | 29 | */ |
aoqi@1 | 30 | |
aoqi@0 | 31 | #include "precompiled.hpp" |
aoqi@0 | 32 | #include "classfile/systemDictionary.hpp" |
aoqi@0 | 33 | #include "classfile/vmSymbols.hpp" |
aoqi@0 | 34 | #include "memory/allocation.inline.hpp" |
aoqi@0 | 35 | #include "memory/resourceArea.hpp" |
aoqi@0 | 36 | #include "oops/oop.inline.hpp" |
aoqi@0 | 37 | #include "runtime/arguments.hpp" |
aoqi@0 | 38 | #include "runtime/java.hpp" |
aoqi@0 | 39 | #include "runtime/javaCalls.hpp" |
aoqi@0 | 40 | #include "runtime/os.hpp" |
aoqi@0 | 41 | #include "runtime/statSampler.hpp" |
aoqi@0 | 42 | #ifdef TARGET_ARCH_x86 |
aoqi@0 | 43 | # include "vm_version_x86.hpp" |
aoqi@0 | 44 | #endif |
aoqi@0 | 45 | #ifdef TARGET_ARCH_sparc |
aoqi@0 | 46 | # include "vm_version_sparc.hpp" |
aoqi@0 | 47 | #endif |
aoqi@0 | 48 | #ifdef TARGET_ARCH_zero |
aoqi@0 | 49 | # include "vm_version_zero.hpp" |
aoqi@0 | 50 | #endif |
aoqi@0 | 51 | #ifdef TARGET_ARCH_arm |
aoqi@0 | 52 | # include "vm_version_arm.hpp" |
aoqi@0 | 53 | #endif |
aoqi@0 | 54 | #ifdef TARGET_ARCH_ppc |
aoqi@0 | 55 | # include "vm_version_ppc.hpp" |
aoqi@0 | 56 | #endif |
aoqi@1 | 57 | #ifdef TARGET_ARCH_mips |
aoqi@1 | 58 | # include "vm_version_mips.hpp" |
aoqi@1 | 59 | #endif |
aoqi@0 | 60 | |
aoqi@0 | 61 | // -------------------------------------------------------- |
aoqi@0 | 62 | // StatSamplerTask |
aoqi@0 | 63 | |
aoqi@0 | 64 | class StatSamplerTask : public PeriodicTask { |
aoqi@0 | 65 | public: |
aoqi@0 | 66 | StatSamplerTask(int interval_time) : PeriodicTask(interval_time) {} |
aoqi@0 | 67 | void task() { StatSampler::collect_sample(); } |
aoqi@0 | 68 | }; |
aoqi@0 | 69 | |
aoqi@0 | 70 | |
aoqi@0 | 71 | //---------------------------------------------------------- |
aoqi@0 | 72 | // Implementation of StatSampler |
aoqi@0 | 73 | |
aoqi@0 | 74 | StatSamplerTask* StatSampler::_task = NULL; |
aoqi@0 | 75 | PerfDataList* StatSampler::_sampled = NULL; |
aoqi@0 | 76 | |
aoqi@0 | 77 | /* |
aoqi@0 | 78 | * the initialize method is called from the engage() method |
aoqi@0 | 79 | * and is responsible for initializing various global variables. |
aoqi@0 | 80 | */ |
aoqi@0 | 81 | void StatSampler::initialize() { |
aoqi@0 | 82 | |
aoqi@0 | 83 | if (!UsePerfData) return; |
aoqi@0 | 84 | |
aoqi@0 | 85 | // create performance data that could not be created prior |
aoqi@0 | 86 | // to vm_init_globals() or otherwise have no logical home. |
aoqi@0 | 87 | |
aoqi@0 | 88 | create_misc_perfdata(); |
aoqi@0 | 89 | |
aoqi@0 | 90 | // get copy of the sampled list |
aoqi@0 | 91 | _sampled = PerfDataManager::sampled(); |
aoqi@0 | 92 | |
aoqi@0 | 93 | } |
aoqi@0 | 94 | |
aoqi@0 | 95 | /* |
aoqi@0 | 96 | * The engage() method is called at initialization time via |
aoqi@0 | 97 | * Thread::create_vm() to initialize the StatSampler and |
aoqi@0 | 98 | * register it with the WatcherThread as a periodic task. |
aoqi@0 | 99 | */ |
aoqi@0 | 100 | void StatSampler::engage() { |
aoqi@0 | 101 | |
aoqi@0 | 102 | if (!UsePerfData) return; |
aoqi@0 | 103 | |
aoqi@0 | 104 | if (!is_active()) { |
aoqi@0 | 105 | |
aoqi@0 | 106 | initialize(); |
aoqi@0 | 107 | |
aoqi@0 | 108 | // start up the periodic task |
aoqi@0 | 109 | _task = new StatSamplerTask(PerfDataSamplingInterval); |
aoqi@0 | 110 | _task->enroll(); |
aoqi@0 | 111 | } |
aoqi@0 | 112 | } |
aoqi@0 | 113 | |
aoqi@0 | 114 | |
aoqi@0 | 115 | /* |
aoqi@0 | 116 | * the disengage() method is responsible for deactivating the periodic |
aoqi@0 | 117 | * task and, if logging was enabled, for logging the final sample. This |
aoqi@0 | 118 | * method is called from before_exit() in java.cpp and is only called |
aoqi@0 | 119 | * after the WatcherThread has been stopped. |
aoqi@0 | 120 | */ |
aoqi@0 | 121 | void StatSampler::disengage() { |
aoqi@0 | 122 | |
aoqi@0 | 123 | if (!UsePerfData) return; |
aoqi@0 | 124 | |
aoqi@0 | 125 | if (!is_active()) |
aoqi@0 | 126 | return; |
aoqi@0 | 127 | |
aoqi@0 | 128 | // remove StatSamplerTask |
aoqi@0 | 129 | _task->disenroll(); |
aoqi@0 | 130 | delete _task; |
aoqi@0 | 131 | _task = NULL; |
aoqi@0 | 132 | |
aoqi@0 | 133 | // force a final sample |
aoqi@0 | 134 | sample_data(_sampled); |
aoqi@0 | 135 | } |
aoqi@0 | 136 | |
aoqi@0 | 137 | /* |
aoqi@0 | 138 | * the destroy method is responsible for releasing any resources used by |
aoqi@0 | 139 | * the StatSampler prior to shutdown of the VM. this method is called from |
aoqi@0 | 140 | * before_exit() in java.cpp and is only called after the WatcherThread |
aoqi@0 | 141 | * has stopped. |
aoqi@0 | 142 | */ |
aoqi@0 | 143 | void StatSampler::destroy() { |
aoqi@0 | 144 | |
aoqi@0 | 145 | if (!UsePerfData) return; |
aoqi@0 | 146 | |
aoqi@0 | 147 | if (_sampled != NULL) { |
aoqi@0 | 148 | delete(_sampled); |
aoqi@0 | 149 | _sampled = NULL; |
aoqi@0 | 150 | } |
aoqi@0 | 151 | } |
aoqi@0 | 152 | |
aoqi@0 | 153 | /* |
aoqi@0 | 154 | * The sample_data() method is responsible for sampling the |
aoqi@0 | 155 | * the data value for each PerfData instance in the given list. |
aoqi@0 | 156 | */ |
aoqi@0 | 157 | void StatSampler::sample_data(PerfDataList* list) { |
aoqi@0 | 158 | |
aoqi@0 | 159 | assert(list != NULL, "null list unexpected"); |
aoqi@0 | 160 | |
aoqi@0 | 161 | for (int index = 0; index < list->length(); index++) { |
aoqi@0 | 162 | PerfData* item = list->at(index); |
aoqi@0 | 163 | item->sample(); |
aoqi@0 | 164 | } |
aoqi@0 | 165 | } |
aoqi@0 | 166 | |
aoqi@0 | 167 | /* |
aoqi@0 | 168 | * the collect_sample() method is the method invoked by the |
aoqi@0 | 169 | * WatcherThread via the PeriodicTask::task() method. This method |
aoqi@0 | 170 | * is responsible for collecting data samples from sampled |
aoqi@0 | 171 | * PerfData instances every PerfDataSamplingInterval milliseconds. |
aoqi@0 | 172 | * It is also responsible for logging the requested set of |
aoqi@0 | 173 | * PerfData instances every _sample_count milliseconds. While |
aoqi@0 | 174 | * logging data, it will output a column header after every _print_header |
aoqi@0 | 175 | * rows of data have been logged. |
aoqi@0 | 176 | */ |
aoqi@0 | 177 | void StatSampler::collect_sample() { |
aoqi@0 | 178 | |
aoqi@0 | 179 | // future - check for new PerfData objects. PerfData objects might |
aoqi@0 | 180 | // get added to the PerfDataManager lists after we have already |
aoqi@0 | 181 | // built our local copies. |
aoqi@0 | 182 | // |
aoqi@0 | 183 | // if (PerfDataManager::count() > previous) { |
aoqi@0 | 184 | // // get a new copy of the sampled list |
aoqi@0 | 185 | // if (_sampled != NULL) { |
aoqi@0 | 186 | // delete(_sampled); |
aoqi@0 | 187 | // _sampled = NULL; |
aoqi@0 | 188 | // } |
aoqi@0 | 189 | // _sampled = PerfDataManager::sampled(); |
aoqi@0 | 190 | // } |
aoqi@0 | 191 | |
aoqi@0 | 192 | assert(_sampled != NULL, "list not initialized"); |
aoqi@0 | 193 | |
aoqi@0 | 194 | sample_data(_sampled); |
aoqi@0 | 195 | } |
aoqi@0 | 196 | |
aoqi@0 | 197 | /* |
aoqi@0 | 198 | * method to upcall into Java to return the value of the specified |
aoqi@0 | 199 | * property as a utf8 string, or NULL if does not exist. The caller |
aoqi@0 | 200 | * is responsible for setting a ResourceMark for proper cleanup of |
aoqi@0 | 201 | * the utf8 strings. |
aoqi@0 | 202 | */ |
aoqi@0 | 203 | const char* StatSampler::get_system_property(const char* name, TRAPS) { |
aoqi@0 | 204 | |
aoqi@0 | 205 | // setup the arguments to getProperty |
aoqi@0 | 206 | Handle key_str = java_lang_String::create_from_str(name, CHECK_NULL); |
aoqi@0 | 207 | |
aoqi@0 | 208 | // return value |
aoqi@0 | 209 | JavaValue result(T_OBJECT); |
aoqi@0 | 210 | |
aoqi@0 | 211 | // public static String getProperty(String key, String def); |
aoqi@0 | 212 | JavaCalls::call_static(&result, |
aoqi@0 | 213 | KlassHandle(THREAD, SystemDictionary::System_klass()), |
aoqi@0 | 214 | vmSymbols::getProperty_name(), |
aoqi@0 | 215 | vmSymbols::string_string_signature(), |
aoqi@0 | 216 | key_str, |
aoqi@0 | 217 | CHECK_NULL); |
aoqi@0 | 218 | |
aoqi@0 | 219 | oop value_oop = (oop)result.get_jobject(); |
aoqi@0 | 220 | if (value_oop == NULL) { |
aoqi@0 | 221 | return NULL; |
aoqi@0 | 222 | } |
aoqi@0 | 223 | |
aoqi@0 | 224 | // convert Java String to utf8 string |
aoqi@0 | 225 | char* value = java_lang_String::as_utf8_string(value_oop); |
aoqi@0 | 226 | |
aoqi@0 | 227 | return value; |
aoqi@0 | 228 | } |
aoqi@0 | 229 | |
aoqi@0 | 230 | /* |
aoqi@0 | 231 | * The list of System Properties that have corresponding PerfData |
aoqi@0 | 232 | * string instrumentation created by retrieving the named property's |
aoqi@0 | 233 | * value from System.getProperty() and unconditionally creating a |
aoqi@0 | 234 | * PerfStringConstant object initialized to the retreived value. This |
aoqi@0 | 235 | * is not an exhustive list of Java properties with corresponding string |
aoqi@0 | 236 | * instrumentation as the create_system_property_instrumentation() method |
aoqi@0 | 237 | * creates other property based instrumentation conditionally. |
aoqi@0 | 238 | */ |
aoqi@0 | 239 | |
aoqi@0 | 240 | // stable interface, supported counters |
aoqi@0 | 241 | static const char* property_counters_ss[] = { |
aoqi@0 | 242 | "java.vm.specification.version", |
aoqi@0 | 243 | "java.vm.specification.name", |
aoqi@0 | 244 | "java.vm.specification.vendor", |
aoqi@0 | 245 | "java.vm.version", |
aoqi@0 | 246 | "java.vm.name", |
aoqi@0 | 247 | "java.vm.vendor", |
aoqi@0 | 248 | "java.vm.info", |
aoqi@0 | 249 | "java.library.path", |
aoqi@0 | 250 | "java.class.path", |
aoqi@0 | 251 | "java.endorsed.dirs", |
aoqi@0 | 252 | "java.ext.dirs", |
aoqi@0 | 253 | "java.version", |
aoqi@0 | 254 | "java.home", |
aoqi@0 | 255 | NULL |
aoqi@0 | 256 | }; |
aoqi@0 | 257 | |
aoqi@0 | 258 | // unstable interface, supported counters |
aoqi@0 | 259 | static const char* property_counters_us[] = { |
aoqi@0 | 260 | NULL |
aoqi@0 | 261 | }; |
aoqi@0 | 262 | |
aoqi@0 | 263 | // unstable interface, unsupported counters |
aoqi@0 | 264 | static const char* property_counters_uu[] = { |
aoqi@0 | 265 | "sun.boot.class.path", |
aoqi@0 | 266 | "sun.boot.library.path", |
aoqi@0 | 267 | NULL |
aoqi@0 | 268 | }; |
aoqi@0 | 269 | |
aoqi@0 | 270 | typedef struct { |
aoqi@0 | 271 | const char** property_list; |
aoqi@0 | 272 | CounterNS name_space; |
aoqi@0 | 273 | } PropertyCounters; |
aoqi@0 | 274 | |
aoqi@0 | 275 | static PropertyCounters property_counters[] = { |
aoqi@0 | 276 | { property_counters_ss, JAVA_PROPERTY }, |
aoqi@0 | 277 | { property_counters_us, COM_PROPERTY }, |
aoqi@0 | 278 | { property_counters_uu, SUN_PROPERTY }, |
aoqi@0 | 279 | { NULL, SUN_PROPERTY } |
aoqi@0 | 280 | }; |
aoqi@0 | 281 | |
aoqi@0 | 282 | |
aoqi@0 | 283 | /* |
aoqi@0 | 284 | * Method to create PerfData string instruments that contain the values |
aoqi@0 | 285 | * of various system properties. String instruments are created for each |
aoqi@0 | 286 | * property specified in the property lists provided in property_counters[]. |
aoqi@0 | 287 | * Property counters have a counter name space prefix prepended to the |
aoqi@0 | 288 | * property name as indicated in property_counters[]. |
aoqi@0 | 289 | */ |
aoqi@0 | 290 | void StatSampler::create_system_property_instrumentation(TRAPS) { |
aoqi@0 | 291 | |
aoqi@0 | 292 | ResourceMark rm; |
aoqi@0 | 293 | |
aoqi@0 | 294 | for (int i = 0; property_counters[i].property_list != NULL; i++) { |
aoqi@0 | 295 | |
aoqi@0 | 296 | for (int j = 0; property_counters[i].property_list[j] != NULL; j++) { |
aoqi@0 | 297 | |
aoqi@0 | 298 | const char* property_name = property_counters[i].property_list[j]; |
aoqi@0 | 299 | assert(property_name != NULL, "property name should not be NULL"); |
aoqi@0 | 300 | |
aoqi@0 | 301 | const char* value = get_system_property(property_name, CHECK); |
aoqi@0 | 302 | |
aoqi@0 | 303 | // the property must exist |
aoqi@0 | 304 | assert(value != NULL, "property name should be valid"); |
aoqi@0 | 305 | |
aoqi@0 | 306 | if (value != NULL) { |
aoqi@0 | 307 | // create the property counter |
aoqi@0 | 308 | PerfDataManager::create_string_constant(property_counters[i].name_space, |
aoqi@0 | 309 | property_name, value, CHECK); |
aoqi@0 | 310 | } |
aoqi@0 | 311 | } |
aoqi@0 | 312 | } |
aoqi@0 | 313 | } |
aoqi@0 | 314 | |
aoqi@0 | 315 | /* |
aoqi@0 | 316 | * The create_misc_perfdata() method provides a place to create |
aoqi@0 | 317 | * PerfData instances that would otherwise have no better place |
aoqi@0 | 318 | * to exist. |
aoqi@0 | 319 | */ |
aoqi@0 | 320 | void StatSampler::create_misc_perfdata() { |
aoqi@0 | 321 | |
aoqi@0 | 322 | ResourceMark rm; |
aoqi@0 | 323 | EXCEPTION_MARK; |
aoqi@0 | 324 | |
aoqi@0 | 325 | // numeric constants |
aoqi@0 | 326 | |
aoqi@0 | 327 | // frequency of the native high resolution timer |
aoqi@0 | 328 | PerfDataManager::create_constant(SUN_OS, "hrt.frequency", |
aoqi@0 | 329 | PerfData::U_Hertz, os::elapsed_frequency(), |
aoqi@0 | 330 | CHECK); |
aoqi@0 | 331 | |
aoqi@0 | 332 | // string constants |
aoqi@0 | 333 | |
aoqi@0 | 334 | // create string instrumentation for various Java properties. |
aoqi@0 | 335 | create_system_property_instrumentation(CHECK); |
aoqi@0 | 336 | |
aoqi@0 | 337 | // hotspot flags (from .hotspotrc) and args (from command line) |
aoqi@0 | 338 | // |
aoqi@0 | 339 | PerfDataManager::create_string_constant(JAVA_RT, "vmFlags", |
aoqi@0 | 340 | Arguments::jvm_flags(), CHECK); |
aoqi@0 | 341 | PerfDataManager::create_string_constant(JAVA_RT, "vmArgs", |
aoqi@0 | 342 | Arguments::jvm_args(), CHECK); |
aoqi@0 | 343 | |
aoqi@0 | 344 | // java class name/jar file and arguments to main class |
aoqi@0 | 345 | // note: name is cooridnated with launcher and Arguments.cpp |
aoqi@0 | 346 | PerfDataManager::create_string_constant(SUN_RT, "javaCommand", |
aoqi@0 | 347 | Arguments::java_command(), CHECK); |
aoqi@0 | 348 | |
aoqi@0 | 349 | // the Java VM Internal version string |
aoqi@0 | 350 | PerfDataManager::create_string_constant(SUN_RT, "internalVersion", |
aoqi@0 | 351 | VM_Version::internal_vm_info_string(), |
aoqi@0 | 352 | CHECK); |
aoqi@0 | 353 | |
aoqi@0 | 354 | // create sampled instrumentation objects |
aoqi@0 | 355 | create_sampled_perfdata(); |
aoqi@0 | 356 | } |
aoqi@0 | 357 | |
aoqi@0 | 358 | /* |
aoqi@0 | 359 | * helper class to provide for sampling of the elapsed_counter value |
aoqi@0 | 360 | * maintained in the OS class. |
aoqi@0 | 361 | */ |
aoqi@0 | 362 | class HighResTimeSampler : public PerfSampleHelper { |
aoqi@0 | 363 | public: |
aoqi@0 | 364 | jlong take_sample() { return os::elapsed_counter(); } |
aoqi@0 | 365 | }; |
aoqi@0 | 366 | |
aoqi@0 | 367 | /* |
aoqi@0 | 368 | * the create_sampled_perdata() method provides a place to instantiate |
aoqi@0 | 369 | * sampled PerfData instances that would otherwise have no better place |
aoqi@0 | 370 | * to exist. |
aoqi@0 | 371 | */ |
aoqi@0 | 372 | void StatSampler::create_sampled_perfdata() { |
aoqi@0 | 373 | |
aoqi@0 | 374 | EXCEPTION_MARK; |
aoqi@0 | 375 | |
aoqi@0 | 376 | // setup sampling of the elapsed time counter maintained in the |
aoqi@0 | 377 | // the os class. This counter can be used as either a time stamp |
aoqi@0 | 378 | // for each logged entry or as a liveness indicator for the VM. |
aoqi@0 | 379 | PerfSampleHelper* psh = new HighResTimeSampler(); |
aoqi@0 | 380 | PerfDataManager::create_counter(SUN_OS, "hrt.ticks", |
aoqi@0 | 381 | PerfData::U_Ticks, psh, CHECK); |
aoqi@0 | 382 | } |
aoqi@0 | 383 | |
aoqi@0 | 384 | /* |
aoqi@0 | 385 | * the statSampler_exit() function is called from os_init.cpp on |
aoqi@0 | 386 | * exit of the vm. |
aoqi@0 | 387 | */ |
aoqi@0 | 388 | void statSampler_exit() { |
aoqi@0 | 389 | |
aoqi@0 | 390 | if (!UsePerfData) return; |
aoqi@0 | 391 | |
aoqi@0 | 392 | StatSampler::destroy(); |
aoqi@0 | 393 | } |