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 "code/codeCache.hpp" 31 #include "compiler/compileBroker.hpp" 32 #include "gc/g1/g1HeapRegionEventSender.hpp" 33 #include "gc/shared/gcConfiguration.hpp" 34 #include "gc/shared/gcTrace.hpp" 35 #include "gc/shared/gcVMOperations.hpp" 36 #include "gc/shared/objectCountEventSender.hpp" 37 #include "jfr/jfrEvents.hpp" 38 #include "jfr/periodic/jfrModuleEvent.hpp" 39 #include "jfr/periodic/jfrOSInterface.hpp" 40 #include "jfr/periodic/jfrThreadCPULoadEvent.hpp" 41 #include "jfr/periodic/jfrThreadDumpEvent.hpp" 42 #include "jfr/periodic/jfrNetworkUtilization.hpp" 43 #include "jfr/recorder/jfrRecorder.hpp" 44 #include "jfr/support/jfrThreadId.hpp" 45 #include "jfr/utilities/jfrTime.hpp" 46 #include "jfrfiles/jfrPeriodic.hpp" 47 #include "logging/log.hpp" 48 #include "memory/heapInspection.hpp" 49 #include "memory/resourceArea.hpp" 50 #include "oops/oop.inline.hpp" 51 #include "runtime/arguments.hpp" 52 #include "runtime/flags/jvmFlag.hpp" 53 #include "runtime/globals.hpp" 54 #include "runtime/os.hpp" 55 #include "runtime/os_perf.hpp" 56 #include "runtime/thread.inline.hpp" 57 #include "runtime/threadSMR.hpp" 58 #include "runtime/sweeper.hpp" 59 #include "runtime/vmThread.hpp" 60 #include "services/classLoadingService.hpp" 61 #include "services/management.hpp" 62 #include "services/threadService.hpp" 63 #include "utilities/exceptions.hpp" 64 #include "utilities/globalDefinitions.hpp" 65 66 /** 67 * JfrPeriodic class 68 * Implementation of declarations in 69 * xsl generated traceRequestables.hpp 70 */ 71 #define TRACE_REQUEST_FUNC(id) void JfrPeriodicEventSet::request##id(void) 72 73 TRACE_REQUEST_FUNC(JVMInformation) { 74 ResourceMark rm; 75 EventJVMInformation event; 76 event.set_jvmName(VM_Version::vm_name()); 77 event.set_jvmVersion(VM_Version::internal_vm_info_string()); 78 event.set_javaArguments(Arguments::java_command()); 79 event.set_jvmArguments(Arguments::jvm_args()); 80 event.set_jvmFlags(Arguments::jvm_flags()); 81 event.set_jvmStartTime(Management::vm_init_done_time()); 82 event.set_pid(os::current_process_id()); 83 event.commit(); 84 } 85 86 TRACE_REQUEST_FUNC(OSInformation) { 87 ResourceMark rm; 88 char* os_name = NEW_RESOURCE_ARRAY(char, 2048); 89 JfrOSInterface::os_version(&os_name); 90 EventOSInformation event; 91 event.set_osVersion(os_name); 92 event.commit(); 93 } 94 95 TRACE_REQUEST_FUNC(ModuleRequire) { 96 JfrModuleEvent::generate_module_dependency_events(); 97 } 98 99 TRACE_REQUEST_FUNC(ModuleExport) { 100 JfrModuleEvent::generate_module_export_events(); 101 } 102 103 /* 104 * This is left empty on purpose, having ExecutionSample as a requestable 105 * is a way of getting the period. The period is passed to ThreadSampling::update_period. 106 * Implementation in jfrSamples.cpp 107 */ 108 TRACE_REQUEST_FUNC(ExecutionSample) { 109 } 110 TRACE_REQUEST_FUNC(NativeMethodSample) { 111 } 112 113 TRACE_REQUEST_FUNC(ThreadDump) { 114 ResourceMark rm; 115 EventThreadDump event; 116 event.set_result(JfrDcmdEvent::thread_dump()); 117 event.commit(); 118 } 119 120 static int _native_library_callback(const char* name, address base, address top, void *param) { 121 EventNativeLibrary event(UNTIMED); 122 event.set_name(name); 123 event.set_baseAddress((u8)base); 124 event.set_topAddress((u8)top); 125 event.set_endtime(*(JfrTicks*) param); 126 event.commit(); 127 return 0; 128 } 129 130 TRACE_REQUEST_FUNC(NativeLibrary) { 131 JfrTicks ts= JfrTicks::now(); 132 os::get_loaded_modules_info(&_native_library_callback, (void *)&ts); 133 } 134 135 TRACE_REQUEST_FUNC(InitialEnvironmentVariable) { 136 JfrOSInterface::generate_initial_environment_variable_events(); 137 } 138 139 TRACE_REQUEST_FUNC(CPUInformation) { 140 CPUInformation cpu_info; 141 int ret_val = JfrOSInterface::cpu_information(cpu_info); 142 if (ret_val == OS_ERR) { 143 log_debug(jfr, system)( "Unable to generate requestable event CPUInformation"); 144 return; 145 } 146 if (ret_val == FUNCTIONALITY_NOT_IMPLEMENTED) { 147 return; 148 } 149 if (ret_val == OS_OK) { 150 EventCPUInformation event; 151 event.set_cpu(cpu_info.cpu_name()); 152 event.set_description(cpu_info.cpu_description()); 153 event.set_sockets(cpu_info.number_of_sockets()); 154 event.set_cores(cpu_info.number_of_cores()); 155 event.set_hwThreads(cpu_info.number_of_hardware_threads()); 156 event.commit(); 157 } 158 } 159 160 TRACE_REQUEST_FUNC(CPULoad) { 161 double u = 0; // user time 162 double s = 0; // kernel time 163 double t = 0; // total time 164 int ret_val = JfrOSInterface::cpu_loads_process(&u, &s, &t); 165 if (ret_val == OS_ERR) { 166 log_debug(jfr, system)( "Unable to generate requestable event CPULoad"); 167 return; 168 } 169 if (ret_val == OS_OK) { 170 EventCPULoad event; 171 event.set_jvmUser((float)u); 172 event.set_jvmSystem((float)s); 173 event.set_machineTotal((float)t); 174 event.commit(); 175 } 176 } 177 178 TRACE_REQUEST_FUNC(ThreadCPULoad) { 179 JfrThreadCPULoadEvent::send_events(); 180 } 181 182 TRACE_REQUEST_FUNC(NetworkUtilization) { 183 JfrNetworkUtilization::send_events(); 184 } 185 186 TRACE_REQUEST_FUNC(CPUTimeStampCounter) { 187 EventCPUTimeStampCounter event; 188 event.set_fastTimeEnabled(JfrTime::is_ft_enabled()); 189 event.set_fastTimeAutoEnabled(JfrTime::is_ft_supported()); 190 event.set_osFrequency(os::elapsed_frequency()); 191 event.set_fastTimeFrequency(JfrTime::frequency()); 192 event.commit(); 193 } 194 195 TRACE_REQUEST_FUNC(SystemProcess) { 196 char pid_buf[16]; 197 SystemProcess* processes = NULL; 198 int num_of_processes = 0; 199 JfrTicks start_time = JfrTicks::now(); 200 int ret_val = JfrOSInterface::system_processes(&processes, &num_of_processes); 201 if (ret_val == OS_ERR) { 202 log_debug(jfr, system)( "Unable to generate requestable event SystemProcesses"); 203 return; 204 } 205 JfrTicks end_time = JfrTicks::now(); 206 if (ret_val == FUNCTIONALITY_NOT_IMPLEMENTED) { 207 return; 208 } 209 if (ret_val == OS_OK) { 210 // feature is implemented, write real event 211 while (processes != NULL) { 212 SystemProcess* tmp = processes; 213 const char* info = processes->command_line(); 214 if (info == NULL) { 215 info = processes->path(); 216 } 217 if (info == NULL) { 218 info = processes->name(); 219 } 220 if (info == NULL) { 221 info = "?"; 222 } 223 jio_snprintf(pid_buf, sizeof(pid_buf), "%d", processes->pid()); 224 EventSystemProcess event(UNTIMED); 225 event.set_pid(pid_buf); 226 event.set_commandLine(info); 227 event.set_starttime(start_time); 228 event.set_endtime(end_time); 229 event.commit(); 230 processes = processes->next(); 231 delete tmp; 232 } 233 } 234 } 235 236 TRACE_REQUEST_FUNC(ThreadContextSwitchRate) { 237 double rate = 0.0; 238 int ret_val = JfrOSInterface::context_switch_rate(&rate); 239 if (ret_val == OS_ERR) { 240 log_debug(jfr, system)( "Unable to generate requestable event ThreadContextSwitchRate"); 241 return; 242 } 243 if (ret_val == FUNCTIONALITY_NOT_IMPLEMENTED) { 244 return; 245 } 246 if (ret_val == OS_OK) { 247 EventThreadContextSwitchRate event; 248 event.set_switchRate((float)rate + 0.0f); 249 event.commit(); 250 } 251 } 252 253 #define SEND_FLAGS_OF_TYPE(eventType, flagType) \ 254 do { \ 255 JVMFlag *flag = JVMFlag::flags; \ 256 while (flag->_name != NULL) { \ 257 if (flag->is_ ## flagType()) { \ 258 if (flag->is_unlocked()) { \ 259 Event ## eventType event; \ 260 event.set_name(flag->_name); \ 261 event.set_value(flag->get_ ## flagType()); \ 262 event.set_origin(flag->get_origin()); \ 263 event.commit(); \ 264 } \ 265 } \ 266 ++flag; \ 267 } \ 268 } while (0) 269 270 TRACE_REQUEST_FUNC(IntFlag) { 271 SEND_FLAGS_OF_TYPE(IntFlag, int); 272 } 273 274 TRACE_REQUEST_FUNC(UnsignedIntFlag) { 275 SEND_FLAGS_OF_TYPE(UnsignedIntFlag, uint); 276 } 277 278 TRACE_REQUEST_FUNC(LongFlag) { 279 SEND_FLAGS_OF_TYPE(LongFlag, intx); 280 } 281 282 TRACE_REQUEST_FUNC(UnsignedLongFlag) { 283 SEND_FLAGS_OF_TYPE(UnsignedLongFlag, uintx); 284 SEND_FLAGS_OF_TYPE(UnsignedLongFlag, uint64_t); 285 SEND_FLAGS_OF_TYPE(UnsignedLongFlag, size_t); 286 } 287 288 TRACE_REQUEST_FUNC(DoubleFlag) { 289 SEND_FLAGS_OF_TYPE(DoubleFlag, double); 290 } 291 292 TRACE_REQUEST_FUNC(BooleanFlag) { 293 SEND_FLAGS_OF_TYPE(BooleanFlag, bool); 294 } 295 296 TRACE_REQUEST_FUNC(StringFlag) { 297 SEND_FLAGS_OF_TYPE(StringFlag, ccstr); 298 } 299 300 class VM_GC_SendObjectCountEvent : public VM_GC_HeapInspection { 301 public: 302 VM_GC_SendObjectCountEvent() : VM_GC_HeapInspection(NULL, true) {} 303 virtual void doit() { 304 ObjectCountEventSender::enable_requestable_event(); 305 collect(); 306 ObjectCountEventSender::disable_requestable_event(); 307 } 308 }; 309 310 TRACE_REQUEST_FUNC(ObjectCount) { 311 VM_GC_SendObjectCountEvent op; 312 VMThread::execute(&op); 313 } 314 315 class VM_G1SendHeapRegionInfoEvents : public VM_Operation { 316 virtual void doit() { 317 G1HeapRegionEventSender::send_events(); 318 } 319 virtual VMOp_Type type() const { return VMOp_HeapIterateOperation; } 320 }; 321 322 TRACE_REQUEST_FUNC(G1HeapRegionInformation) { 323 if (UseG1GC) { 324 VM_G1SendHeapRegionInfoEvents op; 325 VMThread::execute(&op); 326 } 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 MutexLocker 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_acquire(cls->_class_loader) : NULL; 472 const ClassLoaderData* parent_cld = cls->_parent != NULL ? 473 java_lang_ClassLoader::loader_data_acquire(cls->_parent) : 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_unsafeAnonymousClassCount(cls->_anon_classes_count); 482 event.set_unsafeAnonymousChunkSize(cls->_anon_chunk_sz); 483 event.set_unsafeAnonymousBlockSize(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::loaded_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_nmetodsSize(CompileBroker::get_sum_nmethod_size()); 519 event.set_nmetodCodeSize(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 }