1 /* 2 * Copyright (c) 2012, 2018, 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/classLoaderStats.hpp" 28 #include "classfile/javaClasses.hpp" 29 #include "code/codeCache.hpp" 30 #include "compiler/compileBroker.hpp" 31 #include "gc/shared/gcConfiguration.hpp" 32 #include "gc/shared/gcTrace.hpp" 33 #include "gc/shared/objectCountEventSender.hpp" 34 #include "gc/shared/vmGCOperations.hpp" 35 #include "jfr/jfrEvents.hpp" 36 #include "jfr/periodic/jfrModuleEvent.hpp" 37 #include "jfr/periodic/jfrOSInterface.hpp" 38 #include "jfr/periodic/jfrThreadCPULoadEvent.hpp" 39 #include "jfr/periodic/jfrThreadDumpEvent.hpp" 40 #include "jfr/periodic/jfrNetworkUtilization.hpp" 41 #include "jfr/recorder/jfrRecorder.hpp" 42 #include "jfr/support/jfrThreadId.hpp" 43 #include "jfr/utilities/jfrTime.hpp" 44 #include "jfrfiles/jfrPeriodic.hpp" 45 #include "logging/log.hpp" 46 #include "memory/heapInspection.hpp" 47 #include "memory/resourceArea.hpp" 48 #include "oops/oop.inline.hpp" 49 #include "runtime/arguments.hpp" 50 #include "runtime/flags/jvmFlag.hpp" 51 #include "runtime/globals.hpp" 52 #include "runtime/os.hpp" 53 #include "runtime/os_perf.hpp" 54 #include "runtime/thread.inline.hpp" 55 #include "runtime/threadSMR.hpp" 56 #include "runtime/sweeper.hpp" 57 #include "runtime/vmThread.hpp" 58 #include "services/classLoadingService.hpp" 59 #include "services/management.hpp" 60 #include "services/threadService.hpp" 61 #include "utilities/exceptions.hpp" 62 #include "utilities/globalDefinitions.hpp" 63 #if INCLUDE_G1GC 64 #include "gc/g1/g1HeapRegionEventSender.hpp" 65 #endif 66 #if INCLUDE_SHENANDOAHGC 67 #include "gc/shenandoah/shenandoahJfrSupport.hpp" 68 #endif 69 70 /** 71 * JfrPeriodic class 72 * Implementation of declarations in 73 * xsl generated traceRequestables.hpp 74 */ 75 #define TRACE_REQUEST_FUNC(id) void JfrPeriodicEventSet::request##id(void) 76 77 TRACE_REQUEST_FUNC(JVMInformation) { 78 ResourceMark rm; 79 EventJVMInformation event; 80 event.set_jvmName(VM_Version::vm_name()); 81 event.set_jvmVersion(VM_Version::internal_vm_info_string()); 82 event.set_javaArguments(Arguments::java_command()); 83 event.set_jvmArguments(Arguments::jvm_args()); 84 event.set_jvmFlags(Arguments::jvm_flags()); 85 event.set_jvmStartTime(Management::vm_init_done_time()); 86 event.set_pid(os::current_process_id()); 87 event.commit(); 88 } 89 90 TRACE_REQUEST_FUNC(OSInformation) { 91 ResourceMark rm; 92 char* os_name = NEW_RESOURCE_ARRAY(char, 2048); 93 JfrOSInterface::os_version(&os_name); 94 EventOSInformation event; 95 event.set_osVersion(os_name); 96 event.commit(); 97 } 98 99 TRACE_REQUEST_FUNC(VirtualizationInformation) { 100 EventVirtualizationInformation event; 101 event.set_name(JfrOSInterface::virtualization_name()); 102 event.commit(); 103 } 104 105 TRACE_REQUEST_FUNC(ModuleRequire) { 106 JfrModuleEvent::generate_module_dependency_events(); 107 } 108 109 TRACE_REQUEST_FUNC(ModuleExport) { 110 JfrModuleEvent::generate_module_export_events(); 111 } 112 113 /* 114 * This is left empty on purpose, having ExecutionSample as a requestable 115 * is a way of getting the period. The period is passed to ThreadSampling::update_period. 116 * Implementation in jfrSamples.cpp 117 */ 118 TRACE_REQUEST_FUNC(ExecutionSample) { 119 } 120 TRACE_REQUEST_FUNC(NativeMethodSample) { 121 } 122 123 TRACE_REQUEST_FUNC(ThreadDump) { 124 ResourceMark rm; 125 EventThreadDump event; 126 event.set_result(JfrDcmdEvent::thread_dump()); 127 event.commit(); 128 } 129 130 static int _native_library_callback(const char* name, address base, address top, void *param) { 131 EventNativeLibrary event(UNTIMED); 132 event.set_name(name); 133 event.set_baseAddress((u8)base); 134 event.set_topAddress((u8)top); 135 event.set_endtime(*(JfrTicks*) param); 136 event.commit(); 137 return 0; 138 } 139 140 TRACE_REQUEST_FUNC(NativeLibrary) { 141 JfrTicks ts= JfrTicks::now(); 142 os::get_loaded_modules_info(&_native_library_callback, (void *)&ts); 143 } 144 145 TRACE_REQUEST_FUNC(InitialEnvironmentVariable) { 146 JfrOSInterface::generate_initial_environment_variable_events(); 147 } 148 149 TRACE_REQUEST_FUNC(CPUInformation) { 150 CPUInformation cpu_info; 151 int ret_val = JfrOSInterface::cpu_information(cpu_info); 152 if (ret_val == OS_ERR) { 153 log_debug(jfr, system)( "Unable to generate requestable event CPUInformation"); 154 return; 155 } 156 if (ret_val == FUNCTIONALITY_NOT_IMPLEMENTED) { 157 return; 158 } 159 if (ret_val == OS_OK) { 160 EventCPUInformation event; 161 event.set_cpu(cpu_info.cpu_name()); 162 event.set_description(cpu_info.cpu_description()); 163 event.set_sockets(cpu_info.number_of_sockets()); 164 event.set_cores(cpu_info.number_of_cores()); 165 event.set_hwThreads(cpu_info.number_of_hardware_threads()); 166 event.commit(); 167 } 168 } 169 170 TRACE_REQUEST_FUNC(CPULoad) { 171 double u = 0; // user time 172 double s = 0; // kernel time 173 double t = 0; // total time 174 int ret_val = JfrOSInterface::cpu_loads_process(&u, &s, &t); 175 if (ret_val == OS_ERR) { 176 log_debug(jfr, system)( "Unable to generate requestable event CPULoad"); 177 return; 178 } 179 if (ret_val == OS_OK) { 180 EventCPULoad event; 181 event.set_jvmUser((float)u); 182 event.set_jvmSystem((float)s); 183 event.set_machineTotal((float)t); 184 event.commit(); 185 } 186 } 187 188 TRACE_REQUEST_FUNC(ThreadCPULoad) { 189 JfrThreadCPULoadEvent::send_events(); 190 } 191 192 TRACE_REQUEST_FUNC(NetworkUtilization) { 193 JfrNetworkUtilization::send_events(); 194 } 195 196 TRACE_REQUEST_FUNC(CPUTimeStampCounter) { 197 EventCPUTimeStampCounter event; 198 event.set_fastTimeEnabled(JfrTime::is_ft_enabled()); 199 event.set_fastTimeAutoEnabled(JfrTime::is_ft_supported()); 200 event.set_osFrequency(os::elapsed_frequency()); 201 event.set_fastTimeFrequency(JfrTime::frequency()); 202 event.commit(); 203 } 204 205 TRACE_REQUEST_FUNC(SystemProcess) { 206 char pid_buf[16]; 207 SystemProcess* processes = NULL; 208 int num_of_processes = 0; 209 JfrTicks start_time = JfrTicks::now(); 210 int ret_val = JfrOSInterface::system_processes(&processes, &num_of_processes); 211 if (ret_val == OS_ERR) { 212 log_debug(jfr, system)( "Unable to generate requestable event SystemProcesses"); 213 return; 214 } 215 JfrTicks end_time = JfrTicks::now(); 216 if (ret_val == FUNCTIONALITY_NOT_IMPLEMENTED) { 217 return; 218 } 219 if (ret_val == OS_OK) { 220 // feature is implemented, write real event 221 while (processes != NULL) { 222 SystemProcess* tmp = processes; 223 const char* info = processes->command_line(); 224 if (info == NULL) { 225 info = processes->path(); 226 } 227 if (info == NULL) { 228 info = processes->name(); 229 } 230 if (info == NULL) { 231 info = "?"; 232 } 233 jio_snprintf(pid_buf, sizeof(pid_buf), "%d", processes->pid()); 234 EventSystemProcess event(UNTIMED); 235 event.set_pid(pid_buf); 236 event.set_commandLine(info); 237 event.set_starttime(start_time); 238 event.set_endtime(end_time); 239 event.commit(); 240 processes = processes->next(); 241 delete tmp; 242 } 243 } 244 } 245 246 TRACE_REQUEST_FUNC(ThreadContextSwitchRate) { 247 double rate = 0.0; 248 int ret_val = JfrOSInterface::context_switch_rate(&rate); 249 if (ret_val == OS_ERR) { 250 log_debug(jfr, system)( "Unable to generate requestable event ThreadContextSwitchRate"); 251 return; 252 } 253 if (ret_val == FUNCTIONALITY_NOT_IMPLEMENTED) { 254 return; 255 } 256 if (ret_val == OS_OK) { 257 EventThreadContextSwitchRate event; 258 event.set_switchRate((float)rate + 0.0f); 259 event.commit(); 260 } 261 } 262 263 #define SEND_FLAGS_OF_TYPE(eventType, flagType) \ 264 do { \ 265 JVMFlag *flag = JVMFlag::flags; \ 266 while (flag->_name != NULL) { \ 267 if (flag->is_ ## flagType()) { \ 268 if (flag->is_unlocked()) { \ 269 Event ## eventType event; \ 270 event.set_name(flag->_name); \ 271 event.set_value(flag->get_ ## flagType()); \ 272 event.set_origin(flag->get_origin()); \ 273 event.commit(); \ 274 } \ 275 } \ 276 ++flag; \ 277 } \ 278 } while (0) 279 280 TRACE_REQUEST_FUNC(IntFlag) { 281 SEND_FLAGS_OF_TYPE(IntFlag, int); 282 } 283 284 TRACE_REQUEST_FUNC(UnsignedIntFlag) { 285 SEND_FLAGS_OF_TYPE(UnsignedIntFlag, uint); 286 } 287 288 TRACE_REQUEST_FUNC(LongFlag) { 289 SEND_FLAGS_OF_TYPE(LongFlag, intx); 290 } 291 292 TRACE_REQUEST_FUNC(UnsignedLongFlag) { 293 SEND_FLAGS_OF_TYPE(UnsignedLongFlag, uintx); 294 SEND_FLAGS_OF_TYPE(UnsignedLongFlag, uint64_t); 295 SEND_FLAGS_OF_TYPE(UnsignedLongFlag, size_t); 296 } 297 298 TRACE_REQUEST_FUNC(DoubleFlag) { 299 SEND_FLAGS_OF_TYPE(DoubleFlag, double); 300 } 301 302 TRACE_REQUEST_FUNC(BooleanFlag) { 303 SEND_FLAGS_OF_TYPE(BooleanFlag, bool); 304 } 305 306 TRACE_REQUEST_FUNC(StringFlag) { 307 SEND_FLAGS_OF_TYPE(StringFlag, ccstr); 308 } 309 310 class VM_GC_SendObjectCountEvent : public VM_GC_HeapInspection { 311 public: 312 VM_GC_SendObjectCountEvent() : VM_GC_HeapInspection(NULL, true) {} 313 virtual void doit() { 314 ObjectCountEventSender::enable_requestable_event(); 315 collect(); 316 ObjectCountEventSender::disable_requestable_event(); 317 } 318 }; 319 320 TRACE_REQUEST_FUNC(ObjectCount) { 321 VM_GC_SendObjectCountEvent op; 322 VMThread::execute(&op); 323 } 324 325 TRACE_REQUEST_FUNC(G1HeapRegionInformation) { 326 G1GC_ONLY(G1HeapRegionEventSender::send_events()); 327 } 328 329 // Java Mission Control (JMC) uses (Java) Long.MIN_VALUE to describe that a 330 // long value is undefined. 331 static jlong jmc_undefined_long = min_jlong; 332 333 TRACE_REQUEST_FUNC(GCConfiguration) { 334 GCConfiguration conf; 335 jlong pause_target = conf.has_pause_target_default_value() ? jmc_undefined_long : conf.pause_target(); 336 EventGCConfiguration event; 337 event.set_youngCollector(conf.young_collector()); 338 event.set_oldCollector(conf.old_collector()); 339 event.set_parallelGCThreads(conf.num_parallel_gc_threads()); 340 event.set_concurrentGCThreads(conf.num_concurrent_gc_threads()); 341 event.set_usesDynamicGCThreads(conf.uses_dynamic_gc_threads()); 342 event.set_isExplicitGCConcurrent(conf.is_explicit_gc_concurrent()); 343 event.set_isExplicitGCDisabled(conf.is_explicit_gc_disabled()); 344 event.set_gcTimeRatio(conf.gc_time_ratio()); 345 event.set_pauseTarget((s8)pause_target); 346 event.commit(); 347 } 348 349 TRACE_REQUEST_FUNC(GCTLABConfiguration) { 350 GCTLABConfiguration conf; 351 EventGCTLABConfiguration event; 352 event.set_usesTLABs(conf.uses_tlabs()); 353 event.set_minTLABSize(conf.min_tlab_size()); 354 event.set_tlabRefillWasteLimit(conf.tlab_refill_waste_limit()); 355 event.commit(); 356 } 357 358 TRACE_REQUEST_FUNC(GCSurvivorConfiguration) { 359 GCSurvivorConfiguration conf; 360 EventGCSurvivorConfiguration event; 361 event.set_maxTenuringThreshold(conf.max_tenuring_threshold()); 362 event.set_initialTenuringThreshold(conf.initial_tenuring_threshold()); 363 event.commit(); 364 } 365 366 TRACE_REQUEST_FUNC(GCHeapConfiguration) { 367 GCHeapConfiguration conf; 368 EventGCHeapConfiguration event; 369 event.set_minSize(conf.min_size()); 370 event.set_maxSize(conf.max_size()); 371 event.set_initialSize(conf.initial_size()); 372 event.set_usesCompressedOops(conf.uses_compressed_oops()); 373 event.set_compressedOopsMode(conf.narrow_oop_mode()); 374 event.set_objectAlignment(conf.object_alignment_in_bytes()); 375 event.set_heapAddressBits(conf.heap_address_size_in_bits()); 376 event.commit(); 377 } 378 379 TRACE_REQUEST_FUNC(YoungGenerationConfiguration) { 380 GCYoungGenerationConfiguration conf; 381 jlong max_size = conf.has_max_size_default_value() ? jmc_undefined_long : conf.max_size(); 382 EventYoungGenerationConfiguration event; 383 event.set_maxSize((u8)max_size); 384 event.set_minSize(conf.min_size()); 385 event.set_newRatio(conf.new_ratio()); 386 event.commit(); 387 } 388 389 TRACE_REQUEST_FUNC(InitialSystemProperty) { 390 SystemProperty* p = Arguments::system_properties(); 391 JfrTicks time_stamp = JfrTicks::now(); 392 while (p != NULL) { 393 if (!p->internal()) { 394 EventInitialSystemProperty event(UNTIMED); 395 event.set_key(p->key()); 396 event.set_value(p->value()); 397 event.set_endtime(time_stamp); 398 event.commit(); 399 } 400 p = p->next(); 401 } 402 } 403 404 TRACE_REQUEST_FUNC(ThreadAllocationStatistics) { 405 ResourceMark rm; 406 int initial_size = Threads::number_of_threads(); 407 GrowableArray<jlong> allocated(initial_size); 408 GrowableArray<traceid> thread_ids(initial_size); 409 JfrTicks time_stamp = JfrTicks::now(); 410 { 411 // Collect allocation statistics while holding threads lock 412 MutexLockerEx ml(Threads_lock); 413 for (JavaThreadIteratorWithHandle jtiwh; JavaThread *jt = jtiwh.next(); ) { 414 allocated.append(jt->cooked_allocated_bytes()); 415 thread_ids.append(JFR_THREAD_ID(jt)); 416 } 417 } 418 419 // Write allocation statistics to buffer. 420 for(int i = 0; i < thread_ids.length(); i++) { 421 EventThreadAllocationStatistics event(UNTIMED); 422 event.set_allocated(allocated.at(i)); 423 event.set_thread(thread_ids.at(i)); 424 event.set_endtime(time_stamp); 425 event.commit(); 426 } 427 } 428 429 /** 430 * PhysicalMemory event represents: 431 * 432 * @totalSize == The amount of physical memory (hw) installed and reported by the OS, in bytes. 433 * @usedSize == The amount of physical memory currently in use in the system (reserved/committed), in bytes. 434 * 435 * Both fields are systemwide, i.e. represents the entire OS/HW environment. 436 * These fields do not include virtual memory. 437 * 438 * If running inside a guest OS on top of a hypervisor in a virtualized environment, 439 * the total memory reported is the amount of memory configured for the guest OS by the hypervisor. 440 */ 441 TRACE_REQUEST_FUNC(PhysicalMemory) { 442 u8 totalPhysicalMemory = os::physical_memory(); 443 EventPhysicalMemory event; 444 event.set_totalSize(totalPhysicalMemory); 445 event.set_usedSize(totalPhysicalMemory - os::available_memory()); 446 event.commit(); 447 } 448 449 TRACE_REQUEST_FUNC(JavaThreadStatistics) { 450 EventJavaThreadStatistics event; 451 event.set_activeCount(ThreadService::get_live_thread_count()); 452 event.set_daemonCount(ThreadService::get_daemon_thread_count()); 453 event.set_accumulatedCount(ThreadService::get_total_thread_count()); 454 event.set_peakCount(ThreadService::get_peak_thread_count()); 455 event.commit(); 456 } 457 458 TRACE_REQUEST_FUNC(ClassLoadingStatistics) { 459 EventClassLoadingStatistics event; 460 event.set_loadedClassCount(ClassLoadingService::loaded_class_count()); 461 event.set_unloadedClassCount(ClassLoadingService::unloaded_class_count()); 462 event.commit(); 463 } 464 465 class JfrClassLoaderStatsClosure : public ClassLoaderStatsClosure { 466 public: 467 JfrClassLoaderStatsClosure() : ClassLoaderStatsClosure(NULL) {} 468 469 bool do_entry(oop const& key, ClassLoaderStats* const& cls) { 470 const ClassLoaderData* this_cld = cls->_class_loader != NULL ? 471 java_lang_ClassLoader::loader_data(cls->_class_loader) : (ClassLoaderData*)NULL; 472 const ClassLoaderData* parent_cld = cls->_parent != NULL ? 473 java_lang_ClassLoader::loader_data(cls->_parent) : (ClassLoaderData*)NULL; 474 EventClassLoaderStatistics event; 475 event.set_classLoader(this_cld); 476 event.set_parentClassLoader(parent_cld); 477 event.set_classLoaderData((intptr_t)cls->_cld); 478 event.set_classCount(cls->_classes_count); 479 event.set_chunkSize(cls->_chunk_sz); 480 event.set_blockSize(cls->_block_sz); 481 event.set_anonymousClassCount(cls->_anon_classes_count); 482 event.set_anonymousChunkSize(cls->_anon_chunk_sz); 483 event.set_anonymousBlockSize(cls->_anon_block_sz); 484 event.commit(); 485 return true; 486 } 487 488 void createEvents(void) { 489 _stats->iterate(this); 490 } 491 }; 492 493 class JfrClassLoaderStatsVMOperation : public ClassLoaderStatsVMOperation { 494 public: 495 JfrClassLoaderStatsVMOperation() : ClassLoaderStatsVMOperation(NULL) { } 496 497 void doit() { 498 JfrClassLoaderStatsClosure clsc; 499 ClassLoaderDataGraph::cld_do(&clsc); 500 clsc.createEvents(); 501 } 502 }; 503 504 TRACE_REQUEST_FUNC(ClassLoaderStatistics) { 505 JfrClassLoaderStatsVMOperation op; 506 VMThread::execute(&op); 507 } 508 509 TRACE_REQUEST_FUNC(CompilerStatistics) { 510 EventCompilerStatistics event; 511 event.set_compileCount(CompileBroker::get_total_compile_count()); 512 event.set_bailoutCount(CompileBroker::get_total_bailout_count()); 513 event.set_invalidatedCount(CompileBroker::get_total_invalidated_count()); 514 event.set_osrCompileCount(CompileBroker::get_total_osr_compile_count()); 515 event.set_standardCompileCount(CompileBroker::get_total_standard_compile_count()); 516 event.set_osrBytesCompiled(CompileBroker::get_sum_osr_bytes_compiled()); 517 event.set_standardBytesCompiled(CompileBroker::get_sum_standard_bytes_compiled()); 518 event.set_nmethodsSize(CompileBroker::get_sum_nmethod_size()); 519 event.set_nmethodCodeSize(CompileBroker::get_sum_nmethod_code_size()); 520 event.set_peakTimeSpent(CompileBroker::get_peak_compilation_time()); 521 event.set_totalTimeSpent(CompileBroker::get_total_compilation_time()); 522 event.commit(); 523 } 524 525 TRACE_REQUEST_FUNC(CompilerConfiguration) { 526 EventCompilerConfiguration event; 527 event.set_threadCount(CICompilerCount); 528 event.set_tieredCompilation(TieredCompilation); 529 event.commit(); 530 } 531 532 TRACE_REQUEST_FUNC(CodeCacheStatistics) { 533 // Emit stats for all available code heaps 534 for (int bt = 0; bt < CodeBlobType::NumTypes; ++bt) { 535 if (CodeCache::heap_available(bt)) { 536 EventCodeCacheStatistics event; 537 event.set_codeBlobType((u1)bt); 538 event.set_startAddress((u8)CodeCache::low_bound(bt)); 539 event.set_reservedTopAddress((u8)CodeCache::high_bound(bt)); 540 event.set_entryCount(CodeCache::blob_count(bt)); 541 event.set_methodCount(CodeCache::nmethod_count(bt)); 542 event.set_adaptorCount(CodeCache::adapter_count(bt)); 543 event.set_unallocatedCapacity(CodeCache::unallocated_capacity(bt)); 544 event.set_fullCount(CodeCache::get_codemem_full_count(bt)); 545 event.commit(); 546 } 547 } 548 } 549 550 TRACE_REQUEST_FUNC(CodeCacheConfiguration) { 551 EventCodeCacheConfiguration event; 552 event.set_initialSize(InitialCodeCacheSize); 553 event.set_reservedSize(ReservedCodeCacheSize); 554 event.set_nonNMethodSize(NonNMethodCodeHeapSize); 555 event.set_profiledSize(ProfiledCodeHeapSize); 556 event.set_nonProfiledSize(NonProfiledCodeHeapSize); 557 event.set_expansionSize(CodeCacheExpansionSize); 558 event.set_minBlockLength(CodeCacheMinBlockLength); 559 event.set_startAddress((u8)CodeCache::low_bound()); 560 event.set_reservedTopAddress((u8)CodeCache::high_bound()); 561 event.commit(); 562 } 563 564 TRACE_REQUEST_FUNC(CodeSweeperStatistics) { 565 EventCodeSweeperStatistics event; 566 event.set_sweepCount(NMethodSweeper::traversal_count()); 567 event.set_methodReclaimedCount(NMethodSweeper::total_nof_methods_reclaimed()); 568 event.set_totalSweepTime(NMethodSweeper::total_time_sweeping()); 569 event.set_peakFractionTime(NMethodSweeper::peak_sweep_fraction_time()); 570 event.set_peakSweepTime(NMethodSweeper::peak_sweep_time()); 571 event.commit(); 572 } 573 574 TRACE_REQUEST_FUNC(CodeSweeperConfiguration) { 575 EventCodeSweeperConfiguration event; 576 event.set_sweeperEnabled(MethodFlushing); 577 event.set_flushingEnabled(UseCodeCacheFlushing); 578 event.commit(); 579 } 580 581 582 TRACE_REQUEST_FUNC(ShenandoahHeapRegionInformation) { 583 #if INCLUDE_SHENANDOAHGC 584 if (UseShenandoahGC) { 585 VM_ShenandoahSendHeapRegionInfoEvents op; 586 VMThread::execute(&op); 587 } 588 #endif 589 } 590