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/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 
TRACE_REQUEST_FUNC(JVMInformation)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 
TRACE_REQUEST_FUNC(OSInformation)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 
TRACE_REQUEST_FUNC(VirtualizationInformation)102 TRACE_REQUEST_FUNC(VirtualizationInformation) {
103   EventVirtualizationInformation event;
104   event.set_name(JfrOSInterface::virtualization_name());
105   event.commit();
106 }
107 
TRACE_REQUEST_FUNC(ModuleRequire)108 TRACE_REQUEST_FUNC(ModuleRequire) {
109   JfrModuleEvent::generate_module_dependency_events();
110 }
111 
TRACE_REQUEST_FUNC(ModuleExport)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  */
TRACE_REQUEST_FUNC(ExecutionSample)121 TRACE_REQUEST_FUNC(ExecutionSample) {
122 }
TRACE_REQUEST_FUNC(NativeMethodSample)123 TRACE_REQUEST_FUNC(NativeMethodSample) {
124 }
125 
TRACE_REQUEST_FUNC(ThreadDump)126 TRACE_REQUEST_FUNC(ThreadDump) {
127   ResourceMark rm;
128   EventThreadDump event;
129   event.set_result(JfrDcmdEvent::thread_dump());
130   event.commit();
131 }
132 
_native_library_callback(const char * name,address base,address top,void * param)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 
TRACE_REQUEST_FUNC(NativeLibrary)143 TRACE_REQUEST_FUNC(NativeLibrary) {
144   JfrTicks ts= JfrTicks::now();
145   os::get_loaded_modules_info(&_native_library_callback, (void *)&ts);
146 }
147 
TRACE_REQUEST_FUNC(InitialEnvironmentVariable)148 TRACE_REQUEST_FUNC(InitialEnvironmentVariable) {
149   JfrOSInterface::generate_initial_environment_variable_events();
150 }
151 
TRACE_REQUEST_FUNC(CPUInformation)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 
TRACE_REQUEST_FUNC(CPULoad)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 
TRACE_REQUEST_FUNC(ThreadCPULoad)191 TRACE_REQUEST_FUNC(ThreadCPULoad) {
192   JfrThreadCPULoadEvent::send_events();
193 }
194 
TRACE_REQUEST_FUNC(NetworkUtilization)195 TRACE_REQUEST_FUNC(NetworkUtilization) {
196   JfrNetworkUtilization::send_events();
197 }
198 
TRACE_REQUEST_FUNC(CPUTimeStampCounter)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 
TRACE_REQUEST_FUNC(SystemProcess)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 
TRACE_REQUEST_FUNC(ThreadContextSwitchRate)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 
TRACE_REQUEST_FUNC(IntFlag)283 TRACE_REQUEST_FUNC(IntFlag) {
284   SEND_FLAGS_OF_TYPE(IntFlag, int);
285 }
286 
TRACE_REQUEST_FUNC(UnsignedIntFlag)287 TRACE_REQUEST_FUNC(UnsignedIntFlag) {
288   SEND_FLAGS_OF_TYPE(UnsignedIntFlag, uint);
289 }
290 
TRACE_REQUEST_FUNC(LongFlag)291 TRACE_REQUEST_FUNC(LongFlag) {
292   SEND_FLAGS_OF_TYPE(LongFlag, intx);
293 }
294 
TRACE_REQUEST_FUNC(UnsignedLongFlag)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 
TRACE_REQUEST_FUNC(DoubleFlag)301 TRACE_REQUEST_FUNC(DoubleFlag) {
302   SEND_FLAGS_OF_TYPE(DoubleFlag, double);
303 }
304 
TRACE_REQUEST_FUNC(BooleanFlag)305 TRACE_REQUEST_FUNC(BooleanFlag) {
306   SEND_FLAGS_OF_TYPE(BooleanFlag, bool);
307 }
308 
TRACE_REQUEST_FUNC(StringFlag)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:
VM_GC_SendObjectCountEvent()315   VM_GC_SendObjectCountEvent() : VM_GC_HeapInspection(NULL, true) {}
doit()316   virtual void doit() {
317     ObjectCountEventSender::enable_requestable_event();
318     collect();
319     ObjectCountEventSender::disable_requestable_event();
320   }
321 };
322 
TRACE_REQUEST_FUNC(ObjectCount)323 TRACE_REQUEST_FUNC(ObjectCount) {
324   VM_GC_SendObjectCountEvent op;
325   VMThread::execute(&op);
326 }
327 
TRACE_REQUEST_FUNC(G1HeapRegionInformation)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 
TRACE_REQUEST_FUNC(GCConfiguration)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 
TRACE_REQUEST_FUNC(GCTLABConfiguration)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 
TRACE_REQUEST_FUNC(GCSurvivorConfiguration)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 
TRACE_REQUEST_FUNC(GCHeapConfiguration)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 
TRACE_REQUEST_FUNC(YoungGenerationConfiguration)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 
TRACE_REQUEST_FUNC(InitialSystemProperty)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 
TRACE_REQUEST_FUNC(ThreadAllocationStatistics)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  */
TRACE_REQUEST_FUNC(PhysicalMemory)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 
TRACE_REQUEST_FUNC(JavaThreadStatistics)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 
TRACE_REQUEST_FUNC(ClassLoadingStatistics)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:
JfrClassLoaderStatsClosure()469   JfrClassLoaderStatsClosure() : ClassLoaderStatsClosure(NULL) {}
470 
do_entry(oop const & key,ClassLoaderStats * const & cls)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_unsafeAnonymousClassCount(cls->_anon_classes_count);
484     event.set_unsafeAnonymousChunkSize(cls->_anon_chunk_sz);
485     event.set_unsafeAnonymousBlockSize(cls->_anon_block_sz);
486     event.commit();
487     return true;
488   }
489 
createEvents(void)490   void createEvents(void) {
491     _stats->iterate(this);
492   }
493 };
494 
495 class JfrClassLoaderStatsVMOperation : public ClassLoaderStatsVMOperation {
496  public:
JfrClassLoaderStatsVMOperation()497   JfrClassLoaderStatsVMOperation() : ClassLoaderStatsVMOperation(NULL) { }
498 
doit()499   void doit() {
500     JfrClassLoaderStatsClosure clsc;
501     ClassLoaderDataGraph::loaded_cld_do(&clsc);
502     clsc.createEvents();
503   }
504 };
505 
TRACE_REQUEST_FUNC(ClassLoaderStatistics)506 TRACE_REQUEST_FUNC(ClassLoaderStatistics) {
507   JfrClassLoaderStatsVMOperation op;
508   VMThread::execute(&op);
509 }
510 
511 template<typename EVENT>
emit_table_statistics(TableStatistics statistics)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 
TRACE_REQUEST_FUNC(SymbolTableStatistics)526 TRACE_REQUEST_FUNC(SymbolTableStatistics) {
527   TableStatistics statistics = SymbolTable::get_table_statistics();
528   emit_table_statistics<EventSymbolTableStatistics>(statistics);
529 }
530 
TRACE_REQUEST_FUNC(StringTableStatistics)531 TRACE_REQUEST_FUNC(StringTableStatistics) {
532   TableStatistics statistics = StringTable::get_table_statistics();
533   emit_table_statistics<EventStringTableStatistics>(statistics);
534 }
535 
TRACE_REQUEST_FUNC(PlaceholderTableStatistics)536 TRACE_REQUEST_FUNC(PlaceholderTableStatistics) {
537   TableStatistics statistics = SystemDictionary::placeholders_statistics();
538   emit_table_statistics<EventPlaceholderTableStatistics>(statistics);
539 }
540 
TRACE_REQUEST_FUNC(LoaderConstraintsTableStatistics)541 TRACE_REQUEST_FUNC(LoaderConstraintsTableStatistics) {
542   TableStatistics statistics = SystemDictionary::loader_constraints_statistics();
543   emit_table_statistics<EventLoaderConstraintsTableStatistics>(statistics);
544 }
545 
TRACE_REQUEST_FUNC(ProtectionDomainCacheTableStatistics)546 TRACE_REQUEST_FUNC(ProtectionDomainCacheTableStatistics) {
547   TableStatistics statistics = SystemDictionary::protection_domain_cache_statistics();
548   emit_table_statistics<EventProtectionDomainCacheTableStatistics>(statistics);
549 }
550 
TRACE_REQUEST_FUNC(CompilerStatistics)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 
TRACE_REQUEST_FUNC(CompilerConfiguration)567 TRACE_REQUEST_FUNC(CompilerConfiguration) {
568   EventCompilerConfiguration event;
569   event.set_threadCount(CICompilerCount);
570   event.set_tieredCompilation(TieredCompilation);
571   event.commit();
572 }
573 
TRACE_REQUEST_FUNC(CodeCacheStatistics)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 
TRACE_REQUEST_FUNC(CodeCacheConfiguration)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 
TRACE_REQUEST_FUNC(CodeSweeperStatistics)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 
TRACE_REQUEST_FUNC(CodeSweeperConfiguration)616 TRACE_REQUEST_FUNC(CodeSweeperConfiguration) {
617   EventCodeSweeperConfiguration event;
618   event.set_sweeperEnabled(MethodFlushing);
619   event.set_flushingEnabled(UseCodeCacheFlushing);
620   event.commit();
621 }
622 
623 
TRACE_REQUEST_FUNC(ShenandoahHeapRegionInformation)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 
633