1 /* 2 * Copyright (c) 2012, 2020, 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/shared/gcConfiguration.hpp" 36 #include "gc/shared/gcTrace.hpp" 37 #include "gc/shared/gcVMOperations.hpp" 38 #include "gc/shared/objectCountEventSender.hpp" 39 #include "jfr/jfrEvents.hpp" 40 #include "jfr/periodic/jfrModuleEvent.hpp" 41 #include "jfr/periodic/jfrOSInterface.hpp" 42 #include "jfr/periodic/jfrThreadCPULoadEvent.hpp" 43 #include "jfr/periodic/jfrThreadDumpEvent.hpp" 44 #include "jfr/periodic/jfrNetworkUtilization.hpp" 45 #include "jfr/recorder/jfrRecorder.hpp" 46 #include "jfr/support/jfrThreadId.hpp" 47 #include "jfr/utilities/jfrThreadIterator.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/sweeper.hpp" 61 #include "runtime/vmThread.hpp" 62 #include "services/classLoadingService.hpp" 63 #include "services/management.hpp" 64 #include "services/threadService.hpp" 65 #include "utilities/exceptions.hpp" 66 #include "utilities/globalDefinitions.hpp" 67 #if INCLUDE_G1GC 68 #include "gc/g1/g1HeapRegionEventSender.hpp" 69 #endif 70 #if INCLUDE_SHENANDOAHGC 71 #include "gc/shenandoah/shenandoahJfrSupport.hpp" 72 #endif 73 /** 74 * JfrPeriodic class 75 * Implementation of declarations in 76 * xsl generated traceRequestables.hpp 77 */ 78 #define TRACE_REQUEST_FUNC(id) void JfrPeriodicEventSet::request##id(void) 79 80 TRACE_REQUEST_FUNC(JVMInformation) { 81 ResourceMark rm; 82 EventJVMInformation event; 83 event.set_jvmName(VM_Version::vm_name()); 84 event.set_jvmVersion(VM_Version::internal_vm_info_string()); 85 event.set_javaArguments(Arguments::java_command()); 86 event.set_jvmArguments(Arguments::jvm_args()); 87 event.set_jvmFlags(Arguments::jvm_flags()); 88 event.set_jvmStartTime(Management::vm_init_done_time()); 89 event.set_pid(os::current_process_id()); 90 event.commit(); 91 } 92 93 TRACE_REQUEST_FUNC(OSInformation) { 94 ResourceMark rm; 95 char* os_name = NEW_RESOURCE_ARRAY(char, 2048); 96 JfrOSInterface::os_version(&os_name); 97 EventOSInformation event; 98 event.set_osVersion(os_name); 99 event.commit(); 100 } 101 102 TRACE_REQUEST_FUNC(VirtualizationInformation) { 103 EventVirtualizationInformation event; 104 event.set_name(JfrOSInterface::virtualization_name()); 105 event.commit(); 106 } 107 108 TRACE_REQUEST_FUNC(ModuleRequire) { 109 JfrModuleEvent::generate_module_dependency_events(); 110 } 111 112 TRACE_REQUEST_FUNC(ModuleExport) { 113 JfrModuleEvent::generate_module_export_events(); 114 } 115 116 /* 117 * This is left empty on purpose, having ExecutionSample as a requestable 118 * is a way of getting the period. The period is passed to ThreadSampling::update_period. 119 * Implementation in jfrSamples.cpp 120 */ 121 TRACE_REQUEST_FUNC(ExecutionSample) { 122 } 123 TRACE_REQUEST_FUNC(NativeMethodSample) { 124 } 125 126 TRACE_REQUEST_FUNC(ThreadDump) { 127 ResourceMark rm; 128 EventThreadDump event; 129 event.set_result(JfrDcmdEvent::thread_dump()); 130 event.commit(); 131 } 132 133 static int _native_library_callback(const char* name, address base, address top, void *param) { 134 EventNativeLibrary event(UNTIMED); 135 event.set_name(name); 136 event.set_baseAddress((u8)base); 137 event.set_topAddress((u8)top); 138 event.set_endtime(*(JfrTicks*) param); 139 event.commit(); 140 return 0; 141 } 142 143 TRACE_REQUEST_FUNC(NativeLibrary) { 144 JfrTicks ts= JfrTicks::now(); 145 os::get_loaded_modules_info(&_native_library_callback, (void *)&ts); 146 } 147 148 TRACE_REQUEST_FUNC(InitialEnvironmentVariable) { 149 JfrOSInterface::generate_initial_environment_variable_events(); 150 } 151 152 TRACE_REQUEST_FUNC(CPUInformation) { 153 CPUInformation cpu_info; 154 int ret_val = JfrOSInterface::cpu_information(cpu_info); 155 if (ret_val == OS_ERR) { 156 log_debug(jfr, system)( "Unable to generate requestable event CPUInformation"); 157 return; 158 } 159 if (ret_val == FUNCTIONALITY_NOT_IMPLEMENTED) { 160 return; 161 } 162 if (ret_val == OS_OK) { 163 EventCPUInformation event; 164 event.set_cpu(cpu_info.cpu_name()); 165 event.set_description(cpu_info.cpu_description()); 166 event.set_sockets(cpu_info.number_of_sockets()); 167 event.set_cores(cpu_info.number_of_cores()); 168 event.set_hwThreads(cpu_info.number_of_hardware_threads()); 169 event.commit(); 170 } 171 } 172 173 TRACE_REQUEST_FUNC(CPULoad) { 174 double u = 0; // user time 175 double s = 0; // kernel time 176 double t = 0; // total time 177 int ret_val = JfrOSInterface::cpu_loads_process(&u, &s, &t); 178 if (ret_val == OS_ERR) { 179 log_debug(jfr, system)( "Unable to generate requestable event CPULoad"); 180 return; 181 } 182 if (ret_val == OS_OK) { 183 EventCPULoad event; 184 event.set_jvmUser((float)u); 185 event.set_jvmSystem((float)s); 186 event.set_machineTotal((float)t); 187 event.commit(); 188 } 189 } 190 191 TRACE_REQUEST_FUNC(ThreadCPULoad) { 192 JfrThreadCPULoadEvent::send_events(); 193 } 194 195 TRACE_REQUEST_FUNC(NetworkUtilization) { 196 JfrNetworkUtilization::send_events(); 197 } 198 199 TRACE_REQUEST_FUNC(CPUTimeStampCounter) { 200 EventCPUTimeStampCounter event; 201 event.set_fastTimeEnabled(JfrTime::is_ft_enabled()); 202 event.set_fastTimeAutoEnabled(JfrTime::is_ft_supported()); 203 event.set_osFrequency(os::elapsed_frequency()); 204 event.set_fastTimeFrequency(JfrTime::frequency()); 205 event.commit(); 206 } 207 208 TRACE_REQUEST_FUNC(SystemProcess) { 209 char pid_buf[16]; 210 SystemProcess* processes = NULL; 211 int num_of_processes = 0; 212 JfrTicks start_time = JfrTicks::now(); 213 int ret_val = JfrOSInterface::system_processes(&processes, &num_of_processes); 214 if (ret_val == OS_ERR) { 215 log_debug(jfr, system)( "Unable to generate requestable event SystemProcesses"); 216 return; 217 } 218 JfrTicks end_time = JfrTicks::now(); 219 if (ret_val == FUNCTIONALITY_NOT_IMPLEMENTED) { 220 return; 221 } 222 if (ret_val == OS_OK) { 223 // feature is implemented, write real event 224 while (processes != NULL) { 225 SystemProcess* tmp = processes; 226 const char* info = processes->command_line(); 227 if (info == NULL) { 228 info = processes->path(); 229 } 230 if (info == NULL) { 231 info = processes->name(); 232 } 233 if (info == NULL) { 234 info = "?"; 235 } 236 jio_snprintf(pid_buf, sizeof(pid_buf), "%d", processes->pid()); 237 EventSystemProcess event(UNTIMED); 238 event.set_pid(pid_buf); 239 event.set_commandLine(info); 240 event.set_starttime(start_time); 241 event.set_endtime(end_time); 242 event.commit(); 243 processes = processes->next(); 244 delete tmp; 245 } 246 } 247 } 248 249 TRACE_REQUEST_FUNC(ThreadContextSwitchRate) { 250 double rate = 0.0; 251 int ret_val = JfrOSInterface::context_switch_rate(&rate); 252 if (ret_val == OS_ERR) { 253 log_debug(jfr, system)( "Unable to generate requestable event ThreadContextSwitchRate"); 254 return; 255 } 256 if (ret_val == FUNCTIONALITY_NOT_IMPLEMENTED) { 257 return; 258 } 259 if (ret_val == OS_OK) { 260 EventThreadContextSwitchRate event; 261 event.set_switchRate((float)rate + 0.0f); 262 event.commit(); 263 } 264 } 265 266 #define SEND_FLAGS_OF_TYPE(eventType, flagType) \ 267 do { \ 268 JVMFlag *flag = JVMFlag::flags; \ 269 while (flag->_name != NULL) { \ 270 if (flag->is_ ## flagType()) { \ 271 if (flag->is_unlocked()) { \ 272 Event ## eventType event; \ 273 event.set_name(flag->_name); \ 274 event.set_value(flag->get_ ## flagType()); \ 275 event.set_origin(flag->get_origin()); \ 276 event.commit(); \ 277 } \ 278 } \ 279 ++flag; \ 280 } \ 281 } while (0) 282 283 TRACE_REQUEST_FUNC(IntFlag) { 284 SEND_FLAGS_OF_TYPE(IntFlag, int); 285 } 286 287 TRACE_REQUEST_FUNC(UnsignedIntFlag) { 288 SEND_FLAGS_OF_TYPE(UnsignedIntFlag, uint); 289 } 290 291 TRACE_REQUEST_FUNC(LongFlag) { 292 SEND_FLAGS_OF_TYPE(LongFlag, intx); 293 } 294 295 TRACE_REQUEST_FUNC(UnsignedLongFlag) { 296 SEND_FLAGS_OF_TYPE(UnsignedLongFlag, uintx); 297 SEND_FLAGS_OF_TYPE(UnsignedLongFlag, uint64_t); 298 SEND_FLAGS_OF_TYPE(UnsignedLongFlag, size_t); 299 } 300 301 TRACE_REQUEST_FUNC(DoubleFlag) { 302 SEND_FLAGS_OF_TYPE(DoubleFlag, double); 303 } 304 305 TRACE_REQUEST_FUNC(BooleanFlag) { 306 SEND_FLAGS_OF_TYPE(BooleanFlag, bool); 307 } 308 309 TRACE_REQUEST_FUNC(StringFlag) { 310 SEND_FLAGS_OF_TYPE(StringFlag, ccstr); 311 } 312 313 class VM_GC_SendObjectCountEvent : public VM_GC_HeapInspection { 314 public: 315 VM_GC_SendObjectCountEvent() : VM_GC_HeapInspection(NULL, true) {} 316 virtual void doit() { 317 ObjectCountEventSender::enable_requestable_event(); 318 collect(); 319 ObjectCountEventSender::disable_requestable_event(); 320 } 321 }; 322 323 TRACE_REQUEST_FUNC(ObjectCount) { 324 VM_GC_SendObjectCountEvent op; 325 VMThread::execute(&op); 326 } 327 328 TRACE_REQUEST_FUNC(G1HeapRegionInformation) { 329 G1GC_ONLY(G1HeapRegionEventSender::send_events()); 330 } 331 332 // Java Mission Control (JMC) uses (Java) Long.MIN_VALUE to describe that a 333 // long value is undefined. 334 static jlong jmc_undefined_long = min_jlong; 335 336 TRACE_REQUEST_FUNC(GCConfiguration) { 337 GCConfiguration conf; 338 jlong pause_target = conf.has_pause_target_default_value() ? jmc_undefined_long : conf.pause_target(); 339 EventGCConfiguration event; 340 event.set_youngCollector(conf.young_collector()); 341 event.set_oldCollector(conf.old_collector()); 342 event.set_parallelGCThreads(conf.num_parallel_gc_threads()); 343 event.set_concurrentGCThreads(conf.num_concurrent_gc_threads()); 344 event.set_usesDynamicGCThreads(conf.uses_dynamic_gc_threads()); 345 event.set_isExplicitGCConcurrent(conf.is_explicit_gc_concurrent()); 346 event.set_isExplicitGCDisabled(conf.is_explicit_gc_disabled()); 347 event.set_gcTimeRatio(conf.gc_time_ratio()); 348 event.set_pauseTarget((s8)pause_target); 349 event.commit(); 350 } 351 352 TRACE_REQUEST_FUNC(GCTLABConfiguration) { 353 GCTLABConfiguration conf; 354 EventGCTLABConfiguration event; 355 event.set_usesTLABs(conf.uses_tlabs()); 356 event.set_minTLABSize(conf.min_tlab_size()); 357 event.set_tlabRefillWasteLimit(conf.tlab_refill_waste_limit()); 358 event.commit(); 359 } 360 361 TRACE_REQUEST_FUNC(GCSurvivorConfiguration) { 362 GCSurvivorConfiguration conf; 363 EventGCSurvivorConfiguration event; 364 event.set_maxTenuringThreshold(conf.max_tenuring_threshold()); 365 event.set_initialTenuringThreshold(conf.initial_tenuring_threshold()); 366 event.commit(); 367 } 368 369 TRACE_REQUEST_FUNC(GCHeapConfiguration) { 370 GCHeapConfiguration conf; 371 EventGCHeapConfiguration event; 372 event.set_minSize(conf.min_size()); 373 event.set_maxSize(conf.max_size()); 374 event.set_initialSize(conf.initial_size()); 375 event.set_usesCompressedOops(conf.uses_compressed_oops()); 376 event.set_compressedOopsMode(conf.narrow_oop_mode()); 377 event.set_objectAlignment(conf.object_alignment_in_bytes()); 378 event.set_heapAddressBits(conf.heap_address_size_in_bits()); 379 event.commit(); 380 } 381 382 TRACE_REQUEST_FUNC(YoungGenerationConfiguration) { 383 GCYoungGenerationConfiguration conf; 384 jlong max_size = conf.has_max_size_default_value() ? jmc_undefined_long : conf.max_size(); 385 EventYoungGenerationConfiguration event; 386 event.set_maxSize((u8)max_size); 387 event.set_minSize(conf.min_size()); 388 event.set_newRatio(conf.new_ratio()); 389 event.commit(); 390 } 391 392 TRACE_REQUEST_FUNC(InitialSystemProperty) { 393 SystemProperty* p = Arguments::system_properties(); 394 JfrTicks time_stamp = JfrTicks::now(); 395 while (p != NULL) { 396 if (!p->internal()) { 397 EventInitialSystemProperty event(UNTIMED); 398 event.set_key(p->key()); 399 event.set_value(p->value()); 400 event.set_endtime(time_stamp); 401 event.commit(); 402 } 403 p = p->next(); 404 } 405 } 406 407 TRACE_REQUEST_FUNC(ThreadAllocationStatistics) { 408 ResourceMark rm; 409 int initial_size = Threads::number_of_threads(); 410 GrowableArray<jlong> allocated(initial_size); 411 GrowableArray<traceid> thread_ids(initial_size); 412 JfrTicks time_stamp = JfrTicks::now(); 413 JfrJavaThreadIterator iter; 414 while (iter.has_next()) { 415 JavaThread* const jt = iter.next(); 416 assert(jt != NULL, "invariant"); 417 allocated.append(jt->cooked_allocated_bytes()); 418 thread_ids.append(JFR_THREAD_ID(jt)); 419 } 420 421 // Write allocation statistics to buffer. 422 for(int i = 0; i < thread_ids.length(); i++) { 423 EventThreadAllocationStatistics event(UNTIMED); 424 event.set_allocated(allocated.at(i)); 425 event.set_thread(thread_ids.at(i)); 426 event.set_endtime(time_stamp); 427 event.commit(); 428 } 429 } 430 431 /** 432 * PhysicalMemory event represents: 433 * 434 * @totalSize == The amount of physical memory (hw) installed and reported by the OS, in bytes. 435 * @usedSize == The amount of physical memory currently in use in the system (reserved/committed), in bytes. 436 * 437 * Both fields are systemwide, i.e. represents the entire OS/HW environment. 438 * These fields do not include virtual memory. 439 * 440 * If running inside a guest OS on top of a hypervisor in a virtualized environment, 441 * the total memory reported is the amount of memory configured for the guest OS by the hypervisor. 442 */ 443 TRACE_REQUEST_FUNC(PhysicalMemory) { 444 u8 totalPhysicalMemory = os::physical_memory(); 445 EventPhysicalMemory event; 446 event.set_totalSize(totalPhysicalMemory); 447 event.set_usedSize(totalPhysicalMemory - os::available_memory()); 448 event.commit(); 449 } 450 451 TRACE_REQUEST_FUNC(JavaThreadStatistics) { 452 EventJavaThreadStatistics event; 453 event.set_activeCount(ThreadService::get_live_thread_count()); 454 event.set_daemonCount(ThreadService::get_daemon_thread_count()); 455 event.set_accumulatedCount(ThreadService::get_total_thread_count()); 456 event.set_peakCount(ThreadService::get_peak_thread_count()); 457 event.commit(); 458 } 459 460 TRACE_REQUEST_FUNC(ClassLoadingStatistics) { 461 EventClassLoadingStatistics event; 462 event.set_loadedClassCount(ClassLoadingService::loaded_class_count()); 463 event.set_unloadedClassCount(ClassLoadingService::unloaded_class_count()); 464 event.commit(); 465 } 466 467 class JfrClassLoaderStatsClosure : public ClassLoaderStatsClosure { 468 public: 469 JfrClassLoaderStatsClosure() : ClassLoaderStatsClosure(NULL) {} 470 471 bool do_entry(oop const& key, ClassLoaderStats* const& cls) { 472 const ClassLoaderData* this_cld = cls->_class_loader != NULL ? 473 java_lang_ClassLoader::loader_data_acquire(cls->_class_loader) : NULL; 474 const ClassLoaderData* parent_cld = cls->_parent != NULL ? 475 java_lang_ClassLoader::loader_data_acquire(cls->_parent) : NULL; 476 EventClassLoaderStatistics event; 477 event.set_classLoader(this_cld); 478 event.set_parentClassLoader(parent_cld); 479 event.set_classLoaderData((intptr_t)cls->_cld); 480 event.set_classCount(cls->_classes_count); 481 event.set_chunkSize(cls->_chunk_sz); 482 event.set_blockSize(cls->_block_sz); 483 event.set_hiddenClassCount(cls->_hidden_classes_count); 484 event.set_hiddenChunkSize(cls->_hidden_chunk_sz); 485 event.set_hiddenBlockSize(cls->_hidden_block_sz); 486 event.commit(); 487 return true; 488 } 489 490 void createEvents(void) { 491 _stats->iterate(this); 492 } 493 }; 494 495 class JfrClassLoaderStatsVMOperation : public ClassLoaderStatsVMOperation { 496 public: 497 JfrClassLoaderStatsVMOperation() : ClassLoaderStatsVMOperation(NULL) { } 498 499 void doit() { 500 JfrClassLoaderStatsClosure clsc; 501 ClassLoaderDataGraph::loaded_cld_do(&clsc); 502 clsc.createEvents(); 503 } 504 }; 505 506 TRACE_REQUEST_FUNC(ClassLoaderStatistics) { 507 JfrClassLoaderStatsVMOperation op; 508 VMThread::execute(&op); 509 } 510 511 template<typename EVENT> 512 static void emit_table_statistics(TableStatistics statistics) { 513 EVENT event; 514 event.set_bucketCount(statistics._number_of_buckets); 515 event.set_entryCount(statistics._number_of_entries); 516 event.set_totalFootprint(statistics._total_footprint); 517 event.set_bucketCountMaximum(statistics._maximum_bucket_size); 518 event.set_bucketCountAverage(statistics._average_bucket_size); 519 event.set_bucketCountVariance(statistics._variance_of_bucket_size); 520 event.set_bucketCountStandardDeviation(statistics._stddev_of_bucket_size); 521 event.set_insertionRate(statistics._add_rate); 522 event.set_removalRate(statistics._remove_rate); 523 event.commit(); 524 } 525 526 TRACE_REQUEST_FUNC(SymbolTableStatistics) { 527 TableStatistics statistics = SymbolTable::get_table_statistics(); 528 emit_table_statistics<EventSymbolTableStatistics>(statistics); 529 } 530 531 TRACE_REQUEST_FUNC(StringTableStatistics) { 532 TableStatistics statistics = StringTable::get_table_statistics(); 533 emit_table_statistics<EventStringTableStatistics>(statistics); 534 } 535 536 TRACE_REQUEST_FUNC(PlaceholderTableStatistics) { 537 TableStatistics statistics = SystemDictionary::placeholders_statistics(); 538 emit_table_statistics<EventPlaceholderTableStatistics>(statistics); 539 } 540 541 TRACE_REQUEST_FUNC(LoaderConstraintsTableStatistics) { 542 TableStatistics statistics = SystemDictionary::loader_constraints_statistics(); 543 emit_table_statistics<EventLoaderConstraintsTableStatistics>(statistics); 544 } 545 546 TRACE_REQUEST_FUNC(ProtectionDomainCacheTableStatistics) { 547 TableStatistics statistics = SystemDictionary::protection_domain_cache_statistics(); 548 emit_table_statistics<EventProtectionDomainCacheTableStatistics>(statistics); 549 } 550 551 TRACE_REQUEST_FUNC(CompilerStatistics) { 552 EventCompilerStatistics event; 553 event.set_compileCount(CompileBroker::get_total_compile_count()); 554 event.set_bailoutCount(CompileBroker::get_total_bailout_count()); 555 event.set_invalidatedCount(CompileBroker::get_total_invalidated_count()); 556 event.set_osrCompileCount(CompileBroker::get_total_osr_compile_count()); 557 event.set_standardCompileCount(CompileBroker::get_total_standard_compile_count()); 558 event.set_osrBytesCompiled(CompileBroker::get_sum_osr_bytes_compiled()); 559 event.set_standardBytesCompiled(CompileBroker::get_sum_standard_bytes_compiled()); 560 event.set_nmethodsSize(CompileBroker::get_sum_nmethod_size()); 561 event.set_nmethodCodeSize(CompileBroker::get_sum_nmethod_code_size()); 562 event.set_peakTimeSpent(CompileBroker::get_peak_compilation_time()); 563 event.set_totalTimeSpent(CompileBroker::get_total_compilation_time()); 564 event.commit(); 565 } 566 567 TRACE_REQUEST_FUNC(CompilerConfiguration) { 568 EventCompilerConfiguration event; 569 event.set_threadCount(CICompilerCount); 570 event.set_tieredCompilation(TieredCompilation); 571 event.commit(); 572 } 573 574 TRACE_REQUEST_FUNC(CodeCacheStatistics) { 575 // Emit stats for all available code heaps 576 for (int bt = 0; bt < CodeBlobType::NumTypes; ++bt) { 577 if (CodeCache::heap_available(bt)) { 578 EventCodeCacheStatistics event; 579 event.set_codeBlobType((u1)bt); 580 event.set_startAddress((u8)CodeCache::low_bound(bt)); 581 event.set_reservedTopAddress((u8)CodeCache::high_bound(bt)); 582 event.set_entryCount(CodeCache::blob_count(bt)); 583 event.set_methodCount(CodeCache::nmethod_count(bt)); 584 event.set_adaptorCount(CodeCache::adapter_count(bt)); 585 event.set_unallocatedCapacity(CodeCache::unallocated_capacity(bt)); 586 event.set_fullCount(CodeCache::get_codemem_full_count(bt)); 587 event.commit(); 588 } 589 } 590 } 591 592 TRACE_REQUEST_FUNC(CodeCacheConfiguration) { 593 EventCodeCacheConfiguration event; 594 event.set_initialSize(InitialCodeCacheSize); 595 event.set_reservedSize(ReservedCodeCacheSize); 596 event.set_nonNMethodSize(NonNMethodCodeHeapSize); 597 event.set_profiledSize(ProfiledCodeHeapSize); 598 event.set_nonProfiledSize(NonProfiledCodeHeapSize); 599 event.set_expansionSize(CodeCacheExpansionSize); 600 event.set_minBlockLength(CodeCacheMinBlockLength); 601 event.set_startAddress((u8)CodeCache::low_bound()); 602 event.set_reservedTopAddress((u8)CodeCache::high_bound()); 603 event.commit(); 604 } 605 606 TRACE_REQUEST_FUNC(CodeSweeperStatistics) { 607 EventCodeSweeperStatistics event; 608 event.set_sweepCount(NMethodSweeper::traversal_count()); 609 event.set_methodReclaimedCount(NMethodSweeper::total_nof_methods_reclaimed()); 610 event.set_totalSweepTime(NMethodSweeper::total_time_sweeping()); 611 event.set_peakFractionTime(NMethodSweeper::peak_sweep_fraction_time()); 612 event.set_peakSweepTime(NMethodSweeper::peak_sweep_time()); 613 event.commit(); 614 } 615 616 TRACE_REQUEST_FUNC(CodeSweeperConfiguration) { 617 EventCodeSweeperConfiguration event; 618 event.set_sweeperEnabled(MethodFlushing); 619 event.set_flushingEnabled(UseCodeCacheFlushing); 620 event.commit(); 621 } 622 623 624 TRACE_REQUEST_FUNC(ShenandoahHeapRegionInformation) { 625 #if INCLUDE_SHENANDOAHGC 626 if (UseShenandoahGC) { 627 VM_ShenandoahSendHeapRegionInfoEvents op; 628 VMThread::execute(&op); 629 } 630 #endif 631 } 632