| 1 | /* |
| 2 | * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved. |
| 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 | * |
| 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| 20 | * or visit www.oracle.com if you need additional information or have any |
| 21 | * questions. |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | #include "precompiled.hpp" |
| 26 | #include "jvm.h" |
| 27 | #include "classfile/classLoaderDataGraph.hpp" |
| 28 | #include "classfile/classLoaderStats.hpp" |
| 29 | #include "classfile/javaClasses.hpp" |
| 30 | #include "classfile/stringTable.hpp" |
| 31 | #include "classfile/symbolTable.hpp" |
| 32 | #include "classfile/systemDictionary.hpp" |
| 33 | #include "code/codeCache.hpp" |
| 34 | #include "compiler/compileBroker.hpp" |
| 35 | #include "gc/g1/g1HeapRegionEventSender.hpp" |
| 36 | #include "gc/shared/gcConfiguration.hpp" |
| 37 | #include "gc/shared/gcTrace.hpp" |
| 38 | #include "gc/shared/gcVMOperations.hpp" |
| 39 | #include "gc/shared/objectCountEventSender.hpp" |
| 40 | #include "jfr/jfrEvents.hpp" |
| 41 | #include "jfr/periodic/jfrModuleEvent.hpp" |
| 42 | #include "jfr/periodic/jfrOSInterface.hpp" |
| 43 | #include "jfr/periodic/jfrThreadCPULoadEvent.hpp" |
| 44 | #include "jfr/periodic/jfrThreadDumpEvent.hpp" |
| 45 | #include "jfr/periodic/jfrNetworkUtilization.hpp" |
| 46 | #include "jfr/recorder/jfrRecorder.hpp" |
| 47 | #include "jfr/support/jfrThreadId.hpp" |
| 48 | #include "jfr/utilities/jfrTime.hpp" |
| 49 | #include "jfrfiles/jfrPeriodic.hpp" |
| 50 | #include "logging/log.hpp" |
| 51 | #include "memory/heapInspection.hpp" |
| 52 | #include "memory/resourceArea.hpp" |
| 53 | #include "oops/oop.inline.hpp" |
| 54 | #include "runtime/arguments.hpp" |
| 55 | #include "runtime/flags/jvmFlag.hpp" |
| 56 | #include "runtime/globals.hpp" |
| 57 | #include "runtime/os.hpp" |
| 58 | #include "runtime/os_perf.hpp" |
| 59 | #include "runtime/thread.inline.hpp" |
| 60 | #include "runtime/threadSMR.hpp" |
| 61 | #include "runtime/sweeper.hpp" |
| 62 | #include "runtime/vmThread.hpp" |
| 63 | #include "services/classLoadingService.hpp" |
| 64 | #include "services/management.hpp" |
| 65 | #include "services/threadService.hpp" |
| 66 | #include "utilities/exceptions.hpp" |
| 67 | #include "utilities/globalDefinitions.hpp" |
| 68 | #if INCLUDE_SHENANDOAHGC |
| 69 | #include "gc/shenandoah/shenandoahJfrSupport.hpp" |
| 70 | #endif |
| 71 | /** |
| 72 | * JfrPeriodic class |
| 73 | * Implementation of declarations in |
| 74 | * xsl generated traceRequestables.hpp |
| 75 | */ |
| 76 | #define TRACE_REQUEST_FUNC(id) void JfrPeriodicEventSet::request##id(void) |
| 77 | |
| 78 | TRACE_REQUEST_FUNC(JVMInformation) { |
| 79 | ResourceMark rm; |
| 80 | EventJVMInformation event; |
| 81 | event.set_jvmName(VM_Version::vm_name()); |
| 82 | event.set_jvmVersion(VM_Version::internal_vm_info_string()); |
| 83 | event.set_javaArguments(Arguments::java_command()); |
| 84 | event.set_jvmArguments(Arguments::jvm_args()); |
| 85 | event.set_jvmFlags(Arguments::jvm_flags()); |
| 86 | event.set_jvmStartTime(Management::vm_init_done_time()); |
| 87 | event.set_pid(os::current_process_id()); |
| 88 | event.commit(); |
| 89 | } |
| 90 | |
| 91 | TRACE_REQUEST_FUNC(OSInformation) { |
| 92 | ResourceMark rm; |
| 93 | char* os_name = NEW_RESOURCE_ARRAY(char, 2048); |
| 94 | JfrOSInterface::os_version(&os_name); |
| 95 | EventOSInformation event; |
| 96 | event.set_osVersion(os_name); |
| 97 | event.commit(); |
| 98 | } |
| 99 | |
| 100 | TRACE_REQUEST_FUNC(VirtualizationInformation) { |
| 101 | EventVirtualizationInformation event; |
| 102 | event.set_name(JfrOSInterface::virtualization_name()); |
| 103 | event.commit(); |
| 104 | } |
| 105 | |
| 106 | TRACE_REQUEST_FUNC(ModuleRequire) { |
| 107 | JfrModuleEvent::generate_module_dependency_events(); |
| 108 | } |
| 109 | |
| 110 | TRACE_REQUEST_FUNC(ModuleExport) { |
| 111 | JfrModuleEvent::generate_module_export_events(); |
| 112 | } |
| 113 | |
| 114 | /* |
| 115 | * This is left empty on purpose, having ExecutionSample as a requestable |
| 116 | * is a way of getting the period. The period is passed to ThreadSampling::update_period. |
| 117 | * Implementation in jfrSamples.cpp |
| 118 | */ |
| 119 | TRACE_REQUEST_FUNC(ExecutionSample) { |
| 120 | } |
| 121 | TRACE_REQUEST_FUNC(NativeMethodSample) { |
| 122 | } |
| 123 | |
| 124 | TRACE_REQUEST_FUNC(ThreadDump) { |
| 125 | ResourceMark rm; |
| 126 | EventThreadDump event; |
| 127 | event.set_result(JfrDcmdEvent::thread_dump()); |
| 128 | event.commit(); |
| 129 | } |
| 130 | |
| 131 | static int _native_library_callback(const char* name, address base, address top, void *param) { |
| 132 | EventNativeLibrary event(UNTIMED); |
| 133 | event.set_name(name); |
| 134 | event.set_baseAddress((u8)base); |
| 135 | event.set_topAddress((u8)top); |
| 136 | event.set_endtime(*(JfrTicks*) param); |
| 137 | event.commit(); |
| 138 | return 0; |
| 139 | } |
| 140 | |
| 141 | TRACE_REQUEST_FUNC(NativeLibrary) { |
| 142 | JfrTicks ts= JfrTicks::now(); |
| 143 | os::get_loaded_modules_info(&_native_library_callback, (void *)&ts); |
| 144 | } |
| 145 | |
| 146 | TRACE_REQUEST_FUNC(InitialEnvironmentVariable) { |
| 147 | JfrOSInterface::generate_initial_environment_variable_events(); |
| 148 | } |
| 149 | |
| 150 | TRACE_REQUEST_FUNC(CPUInformation) { |
| 151 | CPUInformation cpu_info; |
| 152 | int ret_val = JfrOSInterface::cpu_information(cpu_info); |
| 153 | if (ret_val == OS_ERR) { |
| 154 | log_debug(jfr, system)( "Unable to generate requestable event CPUInformation" ); |
| 155 | return; |
| 156 | } |
| 157 | if (ret_val == FUNCTIONALITY_NOT_IMPLEMENTED) { |
| 158 | return; |
| 159 | } |
| 160 | if (ret_val == OS_OK) { |
| 161 | EventCPUInformation event; |
| 162 | event.set_cpu(cpu_info.cpu_name()); |
| 163 | event.set_description(cpu_info.cpu_description()); |
| 164 | event.set_sockets(cpu_info.number_of_sockets()); |
| 165 | event.set_cores(cpu_info.number_of_cores()); |
| 166 | event.set_hwThreads(cpu_info.number_of_hardware_threads()); |
| 167 | event.commit(); |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | TRACE_REQUEST_FUNC(CPULoad) { |
| 172 | double u = 0; // user time |
| 173 | double s = 0; // kernel time |
| 174 | double t = 0; // total time |
| 175 | int ret_val = JfrOSInterface::cpu_loads_process(&u, &s, &t); |
| 176 | if (ret_val == OS_ERR) { |
| 177 | log_debug(jfr, system)( "Unable to generate requestable event CPULoad" ); |
| 178 | return; |
| 179 | } |
| 180 | if (ret_val == OS_OK) { |
| 181 | EventCPULoad event; |
| 182 | event.set_jvmUser((float)u); |
| 183 | event.set_jvmSystem((float)s); |
| 184 | event.set_machineTotal((float)t); |
| 185 | event.commit(); |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | TRACE_REQUEST_FUNC(ThreadCPULoad) { |
| 190 | JfrThreadCPULoadEvent::send_events(); |
| 191 | } |
| 192 | |
| 193 | TRACE_REQUEST_FUNC(NetworkUtilization) { |
| 194 | JfrNetworkUtilization::send_events(); |
| 195 | } |
| 196 | |
| 197 | TRACE_REQUEST_FUNC(CPUTimeStampCounter) { |
| 198 | EventCPUTimeStampCounter event; |
| 199 | event.set_fastTimeEnabled(JfrTime::is_ft_enabled()); |
| 200 | event.set_fastTimeAutoEnabled(JfrTime::is_ft_supported()); |
| 201 | event.set_osFrequency(os::elapsed_frequency()); |
| 202 | event.set_fastTimeFrequency(JfrTime::frequency()); |
| 203 | event.commit(); |
| 204 | } |
| 205 | |
| 206 | TRACE_REQUEST_FUNC(SystemProcess) { |
| 207 | char pid_buf[16]; |
| 208 | SystemProcess* processes = NULL; |
| 209 | int num_of_processes = 0; |
| 210 | JfrTicks start_time = JfrTicks::now(); |
| 211 | int ret_val = JfrOSInterface::system_processes(&processes, &num_of_processes); |
| 212 | if (ret_val == OS_ERR) { |
| 213 | log_debug(jfr, system)( "Unable to generate requestable event SystemProcesses" ); |
| 214 | return; |
| 215 | } |
| 216 | JfrTicks end_time = JfrTicks::now(); |
| 217 | if (ret_val == FUNCTIONALITY_NOT_IMPLEMENTED) { |
| 218 | return; |
| 219 | } |
| 220 | if (ret_val == OS_OK) { |
| 221 | // feature is implemented, write real event |
| 222 | while (processes != NULL) { |
| 223 | SystemProcess* tmp = processes; |
| 224 | const char* info = processes->command_line(); |
| 225 | if (info == NULL) { |
| 226 | info = processes->path(); |
| 227 | } |
| 228 | if (info == NULL) { |
| 229 | info = processes->name(); |
| 230 | } |
| 231 | if (info == NULL) { |
| 232 | info = "?" ; |
| 233 | } |
| 234 | jio_snprintf(pid_buf, sizeof(pid_buf), "%d" , processes->pid()); |
| 235 | EventSystemProcess event(UNTIMED); |
| 236 | event.set_pid(pid_buf); |
| 237 | event.set_commandLine(info); |
| 238 | event.set_starttime(start_time); |
| 239 | event.set_endtime(end_time); |
| 240 | event.commit(); |
| 241 | processes = processes->next(); |
| 242 | delete tmp; |
| 243 | } |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | TRACE_REQUEST_FUNC(ThreadContextSwitchRate) { |
| 248 | double rate = 0.0; |
| 249 | int ret_val = JfrOSInterface::context_switch_rate(&rate); |
| 250 | if (ret_val == OS_ERR) { |
| 251 | log_debug(jfr, system)( "Unable to generate requestable event ThreadContextSwitchRate" ); |
| 252 | return; |
| 253 | } |
| 254 | if (ret_val == FUNCTIONALITY_NOT_IMPLEMENTED) { |
| 255 | return; |
| 256 | } |
| 257 | if (ret_val == OS_OK) { |
| 258 | EventThreadContextSwitchRate event; |
| 259 | event.set_switchRate((float)rate + 0.0f); |
| 260 | event.commit(); |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | #define SEND_FLAGS_OF_TYPE(eventType, flagType) \ |
| 265 | do { \ |
| 266 | JVMFlag *flag = JVMFlag::flags; \ |
| 267 | while (flag->_name != NULL) { \ |
| 268 | if (flag->is_ ## flagType()) { \ |
| 269 | if (flag->is_unlocked()) { \ |
| 270 | Event ## eventType event; \ |
| 271 | event.set_name(flag->_name); \ |
| 272 | event.set_value(flag->get_ ## flagType()); \ |
| 273 | event.set_origin(flag->get_origin()); \ |
| 274 | event.commit(); \ |
| 275 | } \ |
| 276 | } \ |
| 277 | ++flag; \ |
| 278 | } \ |
| 279 | } while (0) |
| 280 | |
| 281 | TRACE_REQUEST_FUNC(IntFlag) { |
| 282 | SEND_FLAGS_OF_TYPE(IntFlag, int); |
| 283 | } |
| 284 | |
| 285 | TRACE_REQUEST_FUNC(UnsignedIntFlag) { |
| 286 | SEND_FLAGS_OF_TYPE(UnsignedIntFlag, uint); |
| 287 | } |
| 288 | |
| 289 | TRACE_REQUEST_FUNC(LongFlag) { |
| 290 | SEND_FLAGS_OF_TYPE(LongFlag, intx); |
| 291 | } |
| 292 | |
| 293 | TRACE_REQUEST_FUNC(UnsignedLongFlag) { |
| 294 | SEND_FLAGS_OF_TYPE(UnsignedLongFlag, uintx); |
| 295 | SEND_FLAGS_OF_TYPE(UnsignedLongFlag, uint64_t); |
| 296 | SEND_FLAGS_OF_TYPE(UnsignedLongFlag, size_t); |
| 297 | } |
| 298 | |
| 299 | TRACE_REQUEST_FUNC(DoubleFlag) { |
| 300 | SEND_FLAGS_OF_TYPE(DoubleFlag, double); |
| 301 | } |
| 302 | |
| 303 | TRACE_REQUEST_FUNC(BooleanFlag) { |
| 304 | SEND_FLAGS_OF_TYPE(BooleanFlag, bool); |
| 305 | } |
| 306 | |
| 307 | TRACE_REQUEST_FUNC(StringFlag) { |
| 308 | SEND_FLAGS_OF_TYPE(StringFlag, ccstr); |
| 309 | } |
| 310 | |
| 311 | class VM_GC_SendObjectCountEvent : public VM_GC_HeapInspection { |
| 312 | public: |
| 313 | VM_GC_SendObjectCountEvent() : VM_GC_HeapInspection(NULL, true) {} |
| 314 | virtual void doit() { |
| 315 | ObjectCountEventSender::enable_requestable_event(); |
| 316 | collect(); |
| 317 | ObjectCountEventSender::disable_requestable_event(); |
| 318 | } |
| 319 | }; |
| 320 | |
| 321 | TRACE_REQUEST_FUNC(ObjectCount) { |
| 322 | VM_GC_SendObjectCountEvent op; |
| 323 | VMThread::execute(&op); |
| 324 | } |
| 325 | |
| 326 | class VM_G1SendHeapRegionInfoEvents : public VM_Operation { |
| 327 | virtual void doit() { |
| 328 | G1HeapRegionEventSender::send_events(); |
| 329 | } |
| 330 | virtual VMOp_Type type() const { return VMOp_HeapIterateOperation; } |
| 331 | }; |
| 332 | |
| 333 | TRACE_REQUEST_FUNC(G1HeapRegionInformation) { |
| 334 | if (UseG1GC) { |
| 335 | VM_G1SendHeapRegionInfoEvents op; |
| 336 | VMThread::execute(&op); |
| 337 | } |
| 338 | } |
| 339 | |
| 340 | // Java Mission Control (JMC) uses (Java) Long.MIN_VALUE to describe that a |
| 341 | // long value is undefined. |
| 342 | static jlong jmc_undefined_long = min_jlong; |
| 343 | |
| 344 | TRACE_REQUEST_FUNC(GCConfiguration) { |
| 345 | GCConfiguration conf; |
| 346 | jlong pause_target = conf.has_pause_target_default_value() ? jmc_undefined_long : conf.pause_target(); |
| 347 | EventGCConfiguration event; |
| 348 | event.set_youngCollector(conf.young_collector()); |
| 349 | event.set_oldCollector(conf.old_collector()); |
| 350 | event.set_parallelGCThreads(conf.num_parallel_gc_threads()); |
| 351 | event.set_concurrentGCThreads(conf.num_concurrent_gc_threads()); |
| 352 | event.set_usesDynamicGCThreads(conf.uses_dynamic_gc_threads()); |
| 353 | event.set_isExplicitGCConcurrent(conf.is_explicit_gc_concurrent()); |
| 354 | event.set_isExplicitGCDisabled(conf.is_explicit_gc_disabled()); |
| 355 | event.set_gcTimeRatio(conf.gc_time_ratio()); |
| 356 | event.set_pauseTarget((s8)pause_target); |
| 357 | event.commit(); |
| 358 | } |
| 359 | |
| 360 | TRACE_REQUEST_FUNC(GCTLABConfiguration) { |
| 361 | GCTLABConfiguration conf; |
| 362 | EventGCTLABConfiguration event; |
| 363 | event.set_usesTLABs(conf.uses_tlabs()); |
| 364 | event.set_minTLABSize(conf.min_tlab_size()); |
| 365 | event.set_tlabRefillWasteLimit(conf.tlab_refill_waste_limit()); |
| 366 | event.commit(); |
| 367 | } |
| 368 | |
| 369 | TRACE_REQUEST_FUNC(GCSurvivorConfiguration) { |
| 370 | GCSurvivorConfiguration conf; |
| 371 | EventGCSurvivorConfiguration event; |
| 372 | event.set_maxTenuringThreshold(conf.max_tenuring_threshold()); |
| 373 | event.set_initialTenuringThreshold(conf.initial_tenuring_threshold()); |
| 374 | event.commit(); |
| 375 | } |
| 376 | |
| 377 | TRACE_REQUEST_FUNC(GCHeapConfiguration) { |
| 378 | GCHeapConfiguration conf; |
| 379 | EventGCHeapConfiguration event; |
| 380 | event.set_minSize(conf.min_size()); |
| 381 | event.set_maxSize(conf.max_size()); |
| 382 | event.set_initialSize(conf.initial_size()); |
| 383 | event.set_usesCompressedOops(conf.uses_compressed_oops()); |
| 384 | event.set_compressedOopsMode(conf.narrow_oop_mode()); |
| 385 | event.set_objectAlignment(conf.object_alignment_in_bytes()); |
| 386 | event.set_heapAddressBits(conf.heap_address_size_in_bits()); |
| 387 | event.commit(); |
| 388 | } |
| 389 | |
| 390 | TRACE_REQUEST_FUNC(YoungGenerationConfiguration) { |
| 391 | GCYoungGenerationConfiguration conf; |
| 392 | jlong max_size = conf.has_max_size_default_value() ? jmc_undefined_long : conf.max_size(); |
| 393 | EventYoungGenerationConfiguration event; |
| 394 | event.set_maxSize((u8)max_size); |
| 395 | event.set_minSize(conf.min_size()); |
| 396 | event.set_newRatio(conf.new_ratio()); |
| 397 | event.commit(); |
| 398 | } |
| 399 | |
| 400 | TRACE_REQUEST_FUNC(InitialSystemProperty) { |
| 401 | SystemProperty* p = Arguments::system_properties(); |
| 402 | JfrTicks time_stamp = JfrTicks::now(); |
| 403 | while (p != NULL) { |
| 404 | if (!p->internal()) { |
| 405 | EventInitialSystemProperty event(UNTIMED); |
| 406 | event.set_key(p->key()); |
| 407 | event.set_value(p->value()); |
| 408 | event.set_endtime(time_stamp); |
| 409 | event.commit(); |
| 410 | } |
| 411 | p = p->next(); |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | TRACE_REQUEST_FUNC(ThreadAllocationStatistics) { |
| 416 | ResourceMark rm; |
| 417 | int initial_size = Threads::number_of_threads(); |
| 418 | GrowableArray<jlong> allocated(initial_size); |
| 419 | GrowableArray<traceid> thread_ids(initial_size); |
| 420 | JfrTicks time_stamp = JfrTicks::now(); |
| 421 | { |
| 422 | // Collect allocation statistics while holding threads lock |
| 423 | MutexLocker ml(Threads_lock); |
| 424 | for (JavaThreadIteratorWithHandle jtiwh; JavaThread *jt = jtiwh.next(); ) { |
| 425 | allocated.append(jt->cooked_allocated_bytes()); |
| 426 | thread_ids.append(JFR_THREAD_ID(jt)); |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | // Write allocation statistics to buffer. |
| 431 | for(int i = 0; i < thread_ids.length(); i++) { |
| 432 | EventThreadAllocationStatistics event(UNTIMED); |
| 433 | event.set_allocated(allocated.at(i)); |
| 434 | event.set_thread(thread_ids.at(i)); |
| 435 | event.set_endtime(time_stamp); |
| 436 | event.commit(); |
| 437 | } |
| 438 | } |
| 439 | |
| 440 | /** |
| 441 | * PhysicalMemory event represents: |
| 442 | * |
| 443 | * @totalSize == The amount of physical memory (hw) installed and reported by the OS, in bytes. |
| 444 | * @usedSize == The amount of physical memory currently in use in the system (reserved/committed), in bytes. |
| 445 | * |
| 446 | * Both fields are systemwide, i.e. represents the entire OS/HW environment. |
| 447 | * These fields do not include virtual memory. |
| 448 | * |
| 449 | * If running inside a guest OS on top of a hypervisor in a virtualized environment, |
| 450 | * the total memory reported is the amount of memory configured for the guest OS by the hypervisor. |
| 451 | */ |
| 452 | TRACE_REQUEST_FUNC(PhysicalMemory) { |
| 453 | u8 totalPhysicalMemory = os::physical_memory(); |
| 454 | EventPhysicalMemory event; |
| 455 | event.set_totalSize(totalPhysicalMemory); |
| 456 | event.set_usedSize(totalPhysicalMemory - os::available_memory()); |
| 457 | event.commit(); |
| 458 | } |
| 459 | |
| 460 | TRACE_REQUEST_FUNC(JavaThreadStatistics) { |
| 461 | EventJavaThreadStatistics event; |
| 462 | event.set_activeCount(ThreadService::get_live_thread_count()); |
| 463 | event.set_daemonCount(ThreadService::get_daemon_thread_count()); |
| 464 | event.set_accumulatedCount(ThreadService::get_total_thread_count()); |
| 465 | event.set_peakCount(ThreadService::get_peak_thread_count()); |
| 466 | event.commit(); |
| 467 | } |
| 468 | |
| 469 | TRACE_REQUEST_FUNC(ClassLoadingStatistics) { |
| 470 | EventClassLoadingStatistics event; |
| 471 | event.set_loadedClassCount(ClassLoadingService::loaded_class_count()); |
| 472 | event.set_unloadedClassCount(ClassLoadingService::unloaded_class_count()); |
| 473 | event.commit(); |
| 474 | } |
| 475 | |
| 476 | class JfrClassLoaderStatsClosure : public ClassLoaderStatsClosure { |
| 477 | public: |
| 478 | JfrClassLoaderStatsClosure() : ClassLoaderStatsClosure(NULL) {} |
| 479 | |
| 480 | bool do_entry(oop const& key, ClassLoaderStats* const& cls) { |
| 481 | const ClassLoaderData* this_cld = cls->_class_loader != NULL ? |
| 482 | java_lang_ClassLoader::loader_data_acquire(cls->_class_loader) : NULL; |
| 483 | const ClassLoaderData* parent_cld = cls->_parent != NULL ? |
| 484 | java_lang_ClassLoader::loader_data_acquire(cls->_parent) : NULL; |
| 485 | EventClassLoaderStatistics event; |
| 486 | event.set_classLoader(this_cld); |
| 487 | event.set_parentClassLoader(parent_cld); |
| 488 | event.set_classLoaderData((intptr_t)cls->_cld); |
| 489 | event.set_classCount(cls->_classes_count); |
| 490 | event.set_chunkSize(cls->_chunk_sz); |
| 491 | event.set_blockSize(cls->_block_sz); |
| 492 | event.set_unsafeAnonymousClassCount(cls->_anon_classes_count); |
| 493 | event.set_unsafeAnonymousChunkSize(cls->_anon_chunk_sz); |
| 494 | event.set_unsafeAnonymousBlockSize(cls->_anon_block_sz); |
| 495 | event.commit(); |
| 496 | return true; |
| 497 | } |
| 498 | |
| 499 | void createEvents(void) { |
| 500 | _stats->iterate(this); |
| 501 | } |
| 502 | }; |
| 503 | |
| 504 | class JfrClassLoaderStatsVMOperation : public ClassLoaderStatsVMOperation { |
| 505 | public: |
| 506 | JfrClassLoaderStatsVMOperation() : ClassLoaderStatsVMOperation(NULL) { } |
| 507 | |
| 508 | void doit() { |
| 509 | JfrClassLoaderStatsClosure clsc; |
| 510 | ClassLoaderDataGraph::loaded_cld_do(&clsc); |
| 511 | clsc.createEvents(); |
| 512 | } |
| 513 | }; |
| 514 | |
| 515 | TRACE_REQUEST_FUNC(ClassLoaderStatistics) { |
| 516 | JfrClassLoaderStatsVMOperation op; |
| 517 | VMThread::execute(&op); |
| 518 | } |
| 519 | |
| 520 | template<typename EVENT> |
| 521 | static void emit_table_statistics(TableStatistics statistics) { |
| 522 | EVENT event; |
| 523 | event.set_bucketCount(statistics._number_of_buckets); |
| 524 | event.set_entryCount(statistics._number_of_entries); |
| 525 | event.set_totalFootprint(statistics._total_footprint); |
| 526 | event.set_bucketCountMaximum(statistics._maximum_bucket_size); |
| 527 | event.set_bucketCountAverage(statistics._average_bucket_size); |
| 528 | event.set_bucketCountVariance(statistics._variance_of_bucket_size); |
| 529 | event.set_bucketCountStandardDeviation(statistics._stddev_of_bucket_size); |
| 530 | event.set_insertionRate(statistics._add_rate); |
| 531 | event.set_removalRate(statistics._remove_rate); |
| 532 | event.commit(); |
| 533 | } |
| 534 | |
| 535 | TRACE_REQUEST_FUNC(SymbolTableStatistics) { |
| 536 | TableStatistics statistics = SymbolTable::get_table_statistics(); |
| 537 | emit_table_statistics<EventSymbolTableStatistics>(statistics); |
| 538 | } |
| 539 | |
| 540 | TRACE_REQUEST_FUNC(StringTableStatistics) { |
| 541 | TableStatistics statistics = StringTable::get_table_statistics(); |
| 542 | emit_table_statistics<EventStringTableStatistics>(statistics); |
| 543 | } |
| 544 | |
| 545 | TRACE_REQUEST_FUNC(PlaceholderTableStatistics) { |
| 546 | TableStatistics statistics = SystemDictionary::placeholders_statistics(); |
| 547 | emit_table_statistics<EventPlaceholderTableStatistics>(statistics); |
| 548 | } |
| 549 | |
| 550 | TRACE_REQUEST_FUNC(LoaderConstraintsTableStatistics) { |
| 551 | TableStatistics statistics = SystemDictionary::loader_constraints_statistics(); |
| 552 | emit_table_statistics<EventLoaderConstraintsTableStatistics>(statistics); |
| 553 | } |
| 554 | |
| 555 | TRACE_REQUEST_FUNC(ProtectionDomainCacheTableStatistics) { |
| 556 | TableStatistics statistics = SystemDictionary::protection_domain_cache_statistics(); |
| 557 | emit_table_statistics<EventProtectionDomainCacheTableStatistics>(statistics); |
| 558 | } |
| 559 | |
| 560 | TRACE_REQUEST_FUNC(CompilerStatistics) { |
| 561 | EventCompilerStatistics event; |
| 562 | event.set_compileCount(CompileBroker::get_total_compile_count()); |
| 563 | event.set_bailoutCount(CompileBroker::get_total_bailout_count()); |
| 564 | event.set_invalidatedCount(CompileBroker::get_total_invalidated_count()); |
| 565 | event.set_osrCompileCount(CompileBroker::get_total_osr_compile_count()); |
| 566 | event.set_standardCompileCount(CompileBroker::get_total_standard_compile_count()); |
| 567 | event.set_osrBytesCompiled(CompileBroker::get_sum_osr_bytes_compiled()); |
| 568 | event.set_standardBytesCompiled(CompileBroker::get_sum_standard_bytes_compiled()); |
| 569 | event.set_nmetodsSize(CompileBroker::get_sum_nmethod_size()); |
| 570 | event.set_nmetodCodeSize(CompileBroker::get_sum_nmethod_code_size()); |
| 571 | event.set_peakTimeSpent(CompileBroker::get_peak_compilation_time()); |
| 572 | event.set_totalTimeSpent(CompileBroker::get_total_compilation_time()); |
| 573 | event.commit(); |
| 574 | } |
| 575 | |
| 576 | TRACE_REQUEST_FUNC(CompilerConfiguration) { |
| 577 | EventCompilerConfiguration event; |
| 578 | event.set_threadCount(CICompilerCount); |
| 579 | event.set_tieredCompilation(TieredCompilation); |
| 580 | event.commit(); |
| 581 | } |
| 582 | |
| 583 | TRACE_REQUEST_FUNC(CodeCacheStatistics) { |
| 584 | // Emit stats for all available code heaps |
| 585 | for (int bt = 0; bt < CodeBlobType::NumTypes; ++bt) { |
| 586 | if (CodeCache::heap_available(bt)) { |
| 587 | EventCodeCacheStatistics event; |
| 588 | event.set_codeBlobType((u1)bt); |
| 589 | event.set_startAddress((u8)CodeCache::low_bound(bt)); |
| 590 | event.set_reservedTopAddress((u8)CodeCache::high_bound(bt)); |
| 591 | event.set_entryCount(CodeCache::blob_count(bt)); |
| 592 | event.set_methodCount(CodeCache::nmethod_count(bt)); |
| 593 | event.set_adaptorCount(CodeCache::adapter_count(bt)); |
| 594 | event.set_unallocatedCapacity(CodeCache::unallocated_capacity(bt)); |
| 595 | event.set_fullCount(CodeCache::get_codemem_full_count(bt)); |
| 596 | event.commit(); |
| 597 | } |
| 598 | } |
| 599 | } |
| 600 | |
| 601 | TRACE_REQUEST_FUNC(CodeCacheConfiguration) { |
| 602 | EventCodeCacheConfiguration event; |
| 603 | event.set_initialSize(InitialCodeCacheSize); |
| 604 | event.set_reservedSize(ReservedCodeCacheSize); |
| 605 | event.set_nonNMethodSize(NonNMethodCodeHeapSize); |
| 606 | event.set_profiledSize(ProfiledCodeHeapSize); |
| 607 | event.set_nonProfiledSize(NonProfiledCodeHeapSize); |
| 608 | event.set_expansionSize(CodeCacheExpansionSize); |
| 609 | event.set_minBlockLength(CodeCacheMinBlockLength); |
| 610 | event.set_startAddress((u8)CodeCache::low_bound()); |
| 611 | event.set_reservedTopAddress((u8)CodeCache::high_bound()); |
| 612 | event.commit(); |
| 613 | } |
| 614 | |
| 615 | TRACE_REQUEST_FUNC(CodeSweeperStatistics) { |
| 616 | EventCodeSweeperStatistics event; |
| 617 | event.set_sweepCount(NMethodSweeper::traversal_count()); |
| 618 | event.set_methodReclaimedCount(NMethodSweeper::total_nof_methods_reclaimed()); |
| 619 | event.set_totalSweepTime(NMethodSweeper::total_time_sweeping()); |
| 620 | event.set_peakFractionTime(NMethodSweeper::peak_sweep_fraction_time()); |
| 621 | event.set_peakSweepTime(NMethodSweeper::peak_sweep_time()); |
| 622 | event.commit(); |
| 623 | } |
| 624 | |
| 625 | TRACE_REQUEST_FUNC(CodeSweeperConfiguration) { |
| 626 | EventCodeSweeperConfiguration event; |
| 627 | event.set_sweeperEnabled(MethodFlushing); |
| 628 | event.set_flushingEnabled(UseCodeCacheFlushing); |
| 629 | event.commit(); |
| 630 | } |
| 631 | |
| 632 | |
| 633 | TRACE_REQUEST_FUNC(ShenandoahHeapRegionInformation) { |
| 634 | #if INCLUDE_SHENANDOAHGC |
| 635 | if (UseShenandoahGC) { |
| 636 | VM_ShenandoahSendHeapRegionInfoEvents op; |
| 637 | VMThread::execute(&op); |
| 638 | } |
| 639 | #endif |
| 640 | } |
| 641 | |
| 642 | |