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src/hotspot/share/runtime/java.cpp

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  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 "cds/aotMetaspace.hpp"
 26 #include "cds/cds_globals.hpp"
 27 #include "cds/cdsConfig.hpp"
 28 #include "cds/classListWriter.hpp"
 29 #include "cds/dynamicArchive.hpp"

 30 #include "classfile/classLoader.hpp"
 31 #include "classfile/classLoaderDataGraph.hpp"
 32 #include "classfile/javaClasses.hpp"
 33 #include "classfile/stringTable.hpp"
 34 #include "classfile/symbolTable.hpp"
 35 #include "classfile/systemDictionary.hpp"

 36 #include "code/codeCache.hpp"
 37 #include "compiler/compilationMemoryStatistic.hpp"
 38 #include "compiler/compilationPolicy.hpp"
 39 #include "compiler/compileBroker.hpp"
 40 #include "compiler/compilerOracle.hpp"
 41 #include "gc/shared/collectedHeap.hpp"
 42 #include "gc/shared/stringdedup/stringDedup.hpp"
 43 #include "interpreter/bytecodeHistogram.hpp"

 44 #include "jfr/jfrEvents.hpp"
 45 #include "jfr/support/jfrThreadId.hpp"
 46 #include "jvm.h"
 47 #include "logging/log.hpp"
 48 #include "logging/logStream.hpp"
 49 #include "memory/metaspaceUtils.hpp"
 50 #include "memory/oopFactory.hpp"
 51 #include "memory/resourceArea.hpp"
 52 #include "memory/universe.hpp"
 53 #include "nmt/memMapPrinter.hpp"
 54 #include "nmt/memTracker.hpp"
 55 #include "oops/constantPool.hpp"
 56 #include "oops/generateOopMap.hpp"
 57 #include "oops/instanceKlass.hpp"
 58 #include "oops/instanceOop.hpp"
 59 #include "oops/klassVtable.hpp"
 60 #include "oops/method.inline.hpp"
 61 #include "oops/objArrayOop.hpp"
 62 #include "oops/oop.inline.hpp"
 63 #include "oops/symbol.hpp"

 64 #include "prims/jvmtiAgentList.hpp"
 65 #include "prims/jvmtiExport.hpp"

 66 #include "runtime/continuation.hpp"
 67 #include "runtime/deoptimization.hpp"
 68 #include "runtime/flags/flagSetting.hpp"

 69 #include "runtime/handles.inline.hpp"
 70 #include "runtime/init.hpp"
 71 #include "runtime/interfaceSupport.inline.hpp"
 72 #include "runtime/java.hpp"
 73 #include "runtime/javaThread.hpp"
 74 #include "runtime/sharedRuntime.hpp"
 75 #include "runtime/stubRoutines.hpp"
 76 #include "runtime/task.hpp"
 77 #include "runtime/threads.hpp"
 78 #include "runtime/timer.hpp"
 79 #include "runtime/trimNativeHeap.hpp"
 80 #include "runtime/vm_version.hpp"
 81 #include "runtime/vmOperations.hpp"
 82 #include "runtime/vmThread.hpp"
 83 #include "sanitizers/leak.hpp"
 84 #include "utilities/dtrace.hpp"
 85 #include "utilities/events.hpp"
 86 #include "utilities/globalDefinitions.hpp"
 87 #include "utilities/macros.hpp"
 88 #include "utilities/vmError.hpp"

143 
144         ss.print_cr("------------------------------------------------------------------------");
145         m->print_invocation_count(&ss);
146         ss.print_cr("  mdo size: %d bytes", m->method_data()->size_in_bytes());
147         ss.cr();
148         // Dump data on parameters if any
149         if (m->method_data() != nullptr && m->method_data()->parameters_type_data() != nullptr) {
150           ss.fill_to(2);
151           m->method_data()->parameters_type_data()->print_data_on(&ss);
152         }
153         m->print_codes_on(&ss);
154         tty->print("%s", ss.as_string()); // print all at once
155         total_size += m->method_data()->size_in_bytes();
156       }
157       tty->print_cr("------------------------------------------------------------------------");
158       tty->print_cr("Total MDO size: %d bytes", total_size);
159     }
160   }
161 }
162 


















































































163 #ifndef PRODUCT
164 
165 // Statistics printing (method invocation histogram)
166 
167 GrowableArray<Method*>* collected_invoked_methods;
168 
169 static void collect_invoked_methods(Method* m) {
170   if (m->invocation_count() + m->compiled_invocation_count() >= 1) {
171     collected_invoked_methods->push(m);
172   }
173 }
174 
175 
176 // Invocation count accumulators should be unsigned long to shift the
177 // overflow border. Longer-running workloads tend to create invocation
178 // counts which already overflow 32-bit counters for individual methods.
179 static void print_method_invocation_histogram() {
180   ResourceMark rm;
181   collected_invoked_methods = new GrowableArray<Method*>(1024);
182   SystemDictionary::methods_do(collect_invoked_methods);

210     if (m->is_synchronized()) synch_total  += iic + cic;
211     if (m->is_native())       native_total += iic + cic;
212     if (m->is_accessor())     access_total += iic + cic;
213   }
214   tty->cr();
215   total = int_total + comp_total;
216   special_total = final_total + static_total +synch_total + native_total + access_total;
217   tty->print_cr("Invocations summary for %d methods:", collected_invoked_methods->length());
218   double total_div = (double)total;
219   tty->print_cr("\t" UINT64_FORMAT_W(12) " (100%%)  total",           total);
220   tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- interpreted", int_total,     100.0 * (double)int_total    / total_div);
221   tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- compiled",    comp_total,    100.0 * (double)comp_total   / total_div);
222   tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- special methods (interpreted and compiled)",
223                                                                          special_total, 100.0 * (double)special_total/ total_div);
224   tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%)    |- synchronized",synch_total,   100.0 * (double)synch_total  / total_div);
225   tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%)    |- final",       final_total,   100.0 * (double)final_total  / total_div);
226   tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%)    |- static",      static_total,  100.0 * (double)static_total / total_div);
227   tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%)    |- native",      native_total,  100.0 * (double)native_total / total_div);
228   tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%)    |- accessor",    access_total,  100.0 * (double)access_total / total_div);
229   tty->cr();
230   SharedRuntime::print_call_statistics(comp_total);
231 }
232 
233 static void print_bytecode_count() {
234   if (CountBytecodes || TraceBytecodes || StopInterpreterAt) {
235     tty->print_cr("[BytecodeCounter::counter_value = %zu]", BytecodeCounter::counter_value());
236   }
237 }
238 
239 #else
240 
241 static void print_method_invocation_histogram() {}
242 static void print_bytecode_count() {}
243 
244 #endif // PRODUCT
245 
246 
247 // General statistics printing (profiling ...)
248 void print_statistics() {





249   if (CITime) {
250     CompileBroker::print_times();
251   }
252 
253 #ifdef COMPILER1
254   if ((PrintC1Statistics || LogVMOutput || LogCompilation) && UseCompiler) {
255     FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintC1Statistics);
256     Runtime1::print_statistics();
257     SharedRuntime::print_statistics();
258   }
259 #endif /* COMPILER1 */
260 
261 #ifdef COMPILER2
262   if ((PrintOptoStatistics || LogVMOutput || LogCompilation) && UseCompiler) {
263     FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintOptoStatistics);
264     Compile::print_statistics();
265     Deoptimization::print_statistics();
266 #ifndef COMPILER1
267     SharedRuntime::print_statistics();
268 #endif //COMPILER1
269   }
270 
271   if (PrintLockStatistics) {
272     OptoRuntime::print_named_counters();
273   }
274 #ifdef ASSERT
275   if (CollectIndexSetStatistics) {
276     IndexSet::print_statistics();

303   if (PrintSymbolTableSizeHistogram) {
304     SymbolTable::print_histogram();
305   }
306   if (CountBytecodes || TraceBytecodes || StopInterpreterAt) {
307     BytecodeCounter::print();
308   }
309   if (PrintBytecodePairHistogram) {
310     BytecodePairHistogram::print();
311   }
312 
313   if (PrintCodeCache) {
314     MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
315     CodeCache::print();
316   }
317 
318   // CodeHeap State Analytics.
319   if (PrintCodeHeapAnalytics) {
320     CompileBroker::print_heapinfo(nullptr, "all", 4096); // details
321   }
322 






323 #ifndef PRODUCT
324   if (PrintCodeCache2) {
325     MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
326     CodeCache::print_internals();
327   }
328 #endif
329 
330   if (VerifyOops && Verbose) {
331     tty->print_cr("+VerifyOops count: %d", StubRoutines::verify_oop_count());
332   }
333 
334   print_bytecode_count();
335 
336   if (PrintVMInfoAtExit) {
337     // Use an intermediate stream to prevent deadlocking on tty_lock
338     stringStream ss;
339     VMError::print_vm_info(&ss);
340     tty->print_raw(ss.base());
341   }
342 

350     ResourceMark rm;
351     MutexLocker mcld(ClassLoaderDataGraph_lock);
352     ClassLoaderDataGraph::print();
353   }
354 
355   // Native memory tracking data
356   if (PrintNMTStatistics) {
357     MemTracker::final_report(tty);
358   }
359 
360   if (PrintMetaspaceStatisticsAtExit) {
361     MetaspaceUtils::print_basic_report(tty, 0);
362   }
363 
364   if (PrintCompilerMemoryStatisticsAtExit) {
365     CompilationMemoryStatistic::print_final_report(tty);
366   }
367 
368   ThreadsSMRSupport::log_statistics();
369 


370   if (log_is_enabled(Info, perf, class, link)) {
371     LogStreamHandle(Info, perf, class, link) log;
372     log.print_cr("At VM exit:");
373     ClassLoader::print_counters(&log);
374   }
375 }
376 
377 // Note: before_exit() can be executed only once, if more than one threads
378 //       are trying to shutdown the VM at the same time, only one thread
379 //       can run before_exit() and all other threads must wait.
380 void before_exit(JavaThread* thread, bool halt) {
381   #define BEFORE_EXIT_NOT_RUN 0
382   #define BEFORE_EXIT_RUNNING 1
383   #define BEFORE_EXIT_DONE    2
384   static jint volatile _before_exit_status = BEFORE_EXIT_NOT_RUN;
385 
386   Events::log(thread, "Before exit entered");
387 
388   // Note: don't use a Mutex to guard the entire before_exit(), as
389   // JVMTI post_thread_end_event and post_vm_death_event will run native code.

415 
416   // Do not add any additional shutdown logic between the above mutex logic and
417   // leak sanitizer logic below. Any additional shutdown code which performs some
418   // cleanup should be added after the leak sanitizer logic below.
419 
420 #ifdef LEAK_SANITIZER
421   // If we are built with LSan, we need to perform leak checking. If we are
422   // terminating normally, not halting and no VM error, we perform a normal
423   // leak check which terminates if leaks are found. If we are not terminating
424   // normally, halting or VM error, we perform a recoverable leak check which
425   // prints leaks but will not terminate.
426   if (!halt && !VMError::is_error_reported()) {
427     LSAN_DO_LEAK_CHECK();
428   } else {
429     // Ignore the return value.
430     static_cast<void>(LSAN_DO_RECOVERABLE_LEAK_CHECK());
431   }
432 #endif
433 
434 #if INCLUDE_CDS

435   // Dynamic CDS dumping must happen whilst we can still reliably
436   // run Java code.
437   DynamicArchive::dump_at_exit(thread);
438   assert(!thread->has_pending_exception(), "must be");
439 #endif
440 
441   // Actual shutdown logic begins here.
442 
443 #if INCLUDE_JVMCI
444   if (EnableJVMCI) {
445     JVMCI::shutdown(thread);
446   }
447 #endif
448 
449 #if INCLUDE_CDS
450   ClassListWriter::write_resolved_constants();
451 

452   if (CDSConfig::is_dumping_preimage_static_archive()) {
453     AOTMetaspace::preload_and_dump(thread);
454   }
455 #endif
456 
457   // Hang forever on exit if we're reporting an error.
458   if (ShowMessageBoxOnError && VMError::is_error_reported()) {
459     os::infinite_sleep();
460   }
461 
462   EventThreadEnd event;
463   if (event.should_commit()) {
464     event.set_thread(JFR_JVM_THREAD_ID(thread));
465     event.commit();
466   }
467 
468   // 2nd argument (emit_event_shutdown) should be set to false
469   // because EventShutdown would be emitted at Threads::destroy_vm().
470   // (one of the callers of before_exit())
471   JFR_ONLY(Jfr::on_vm_shutdown(true, false, halt);)
472 
473   // Stop the WatcherThread. We do this before disenrolling various
474   // PeriodicTasks to reduce the likelihood of races.
475   WatcherThread::stop();
476 
477   NativeHeapTrimmer::cleanup();
478 
479   // Run before exit and then stop concurrent GC threads
480   Universe::before_exit();
481 
482   if (PrintBytecodeHistogram) {
483     BytecodeHistogram::print();
484   }
485 
486 #ifdef LINUX
487   if (DumpPerfMapAtExit) {
488     CodeCache::write_perf_map(nullptr, tty);
489   }
490   if (PrintMemoryMapAtExit) {
491     MemMapPrinter::print_all_mappings(tty);
492   }
493 #endif
494 
495   if (JvmtiExport::should_post_thread_life()) {
496     JvmtiExport::post_thread_end(thread);
497   }
498 
499   // Always call even when there are not JVMTI environments yet, since environments
500   // may be attached late and JVMTI must track phases of VM execution
501   JvmtiExport::post_vm_death();
502   JvmtiAgentList::unload_agents();
503 

  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 "cds/aotLinkedClassBulkLoader.hpp"
 26 #include "cds/aotMetaspace.hpp"
 27 #include "cds/cds_globals.hpp"
 28 #include "cds/cdsConfig.hpp"
 29 #include "cds/classListWriter.hpp"
 30 #include "cds/dynamicArchive.hpp"
 31 #include "cds/methodProfiler.hpp"
 32 #include "classfile/classLoader.hpp"
 33 #include "classfile/classLoaderDataGraph.hpp"
 34 #include "classfile/javaClasses.hpp"
 35 #include "classfile/stringTable.hpp"
 36 #include "classfile/symbolTable.hpp"
 37 #include "classfile/systemDictionary.hpp"
 38 #include "code/aotCodeCache.hpp"
 39 #include "code/codeCache.hpp"
 40 #include "compiler/compilationMemoryStatistic.hpp"
 41 #include "compiler/compilationPolicy.hpp"
 42 #include "compiler/compileBroker.hpp"
 43 #include "compiler/compilerOracle.hpp"
 44 #include "gc/shared/collectedHeap.hpp"
 45 #include "gc/shared/stringdedup/stringDedup.hpp"
 46 #include "interpreter/bytecodeHistogram.hpp"
 47 #include "interpreter/interpreterRuntime.hpp"
 48 #include "jfr/jfrEvents.hpp"
 49 #include "jfr/support/jfrThreadId.hpp"
 50 #include "jvm.h"
 51 #include "logging/log.hpp"
 52 #include "logging/logStream.hpp"
 53 #include "memory/metaspaceUtils.hpp"
 54 #include "memory/oopFactory.hpp"
 55 #include "memory/resourceArea.hpp"
 56 #include "memory/universe.hpp"
 57 #include "nmt/memMapPrinter.hpp"
 58 #include "nmt/memTracker.hpp"
 59 #include "oops/constantPool.hpp"
 60 #include "oops/generateOopMap.hpp"
 61 #include "oops/instanceKlass.hpp"
 62 #include "oops/instanceOop.hpp"
 63 #include "oops/klassVtable.hpp"
 64 #include "oops/method.inline.hpp"
 65 #include "oops/objArrayOop.hpp"
 66 #include "oops/oop.inline.hpp"
 67 #include "oops/symbol.hpp"
 68 #include "oops/trainingData.hpp"
 69 #include "prims/jvmtiAgentList.hpp"
 70 #include "prims/jvmtiExport.hpp"
 71 #include "prims/methodHandles.hpp"
 72 #include "runtime/continuation.hpp"
 73 #include "runtime/deoptimization.hpp"
 74 #include "runtime/flags/flagSetting.hpp"
 75 #include "runtime/globals_extension.hpp"
 76 #include "runtime/handles.inline.hpp"
 77 #include "runtime/init.hpp"
 78 #include "runtime/interfaceSupport.inline.hpp"
 79 #include "runtime/java.hpp"
 80 #include "runtime/javaThread.hpp"
 81 #include "runtime/sharedRuntime.hpp"
 82 #include "runtime/stubRoutines.hpp"
 83 #include "runtime/task.hpp"
 84 #include "runtime/threads.hpp"
 85 #include "runtime/timer.hpp"
 86 #include "runtime/trimNativeHeap.hpp"
 87 #include "runtime/vm_version.hpp"
 88 #include "runtime/vmOperations.hpp"
 89 #include "runtime/vmThread.hpp"
 90 #include "sanitizers/leak.hpp"
 91 #include "utilities/dtrace.hpp"
 92 #include "utilities/events.hpp"
 93 #include "utilities/globalDefinitions.hpp"
 94 #include "utilities/macros.hpp"
 95 #include "utilities/vmError.hpp"

150 
151         ss.print_cr("------------------------------------------------------------------------");
152         m->print_invocation_count(&ss);
153         ss.print_cr("  mdo size: %d bytes", m->method_data()->size_in_bytes());
154         ss.cr();
155         // Dump data on parameters if any
156         if (m->method_data() != nullptr && m->method_data()->parameters_type_data() != nullptr) {
157           ss.fill_to(2);
158           m->method_data()->parameters_type_data()->print_data_on(&ss);
159         }
160         m->print_codes_on(&ss);
161         tty->print("%s", ss.as_string()); // print all at once
162         total_size += m->method_data()->size_in_bytes();
163       }
164       tty->print_cr("------------------------------------------------------------------------");
165       tty->print_cr("Total MDO size: %d bytes", total_size);
166     }
167   }
168 }
169 
170 void perf_jvm_print_on(outputStream* st);
171 
172 void log_vm_init_stats() {
173   LogStreamHandle(Info, init) log;
174   if (log.is_enabled()) {
175     SharedRuntime::print_counters_on(&log);
176     ClassLoader::print_counters(&log);
177     AOTLinkedClassBulkLoader::print_counters_on(&log);
178     log.cr();
179     // FIXME: intermittent crashes
180 //    if (CountBytecodesPerThread) {
181 //      log.print_cr("Thread info:");
182 //      class PrintThreadInfo : public ThreadClosure {
183 //        outputStream* _st;
184 //      public:
185 //        PrintThreadInfo(outputStream* st) : ThreadClosure(), _st(st) {}
186 //        void do_thread(Thread* thread) {
187 //          JavaThread* jt = JavaThread::cast(thread);
188 //          if (jt->bc_counter_value() > 0) {
189 //            _st->print_cr("  Thread " INTPTR_FORMAT ": %ld bytecodes executed (clinit: %ld)",
190 //                          p2i(jt), /*jt->name(),*/ jt->bc_counter_value(), jt->clinit_bc_counter_value());
191 //          }
192 //        }
193 //      };
194 //      PrintThreadInfo cl(&log);
195 //      Threads::java_threads_do(&cl);
196 //    }
197 //    log.cr();
198     log.print_cr("Deoptimization events: ");
199     Deoptimization::print_statistics_on(&log);
200     log.cr();
201 
202     log.print("Compilation statistics: ");
203     CompileBroker::print_statistics_on(&log);
204     log.cr();
205 
206     {
207       MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
208       log.print("Code cache statistics: ");
209       CodeCache::print_nmethod_statistics_on(&log);
210       log.cr();
211     }
212 
213     if (AOTCodeCache::is_on_for_use()) {
214       log.print_cr("Startup Code Cache: ");
215       AOTCodeCache::print_statistics_on(&log);
216       log.cr();
217       AOTCodeCache::print_timers_on(&log);
218     }
219 
220     VMThread::print_counters_on(&log);
221     log.cr();
222     MutexLockerImpl::print_counters_on(&log);
223     log.cr();
224     log.print("Runtime events for thread \"main\"");
225     if (ProfileRuntimeCalls) {
226       log.print_cr(" (%d nested events):", ProfileVMCallContext::nested_runtime_calls_count());
227 
228       InterpreterRuntime::print_counters_on(&log);
229 #ifdef COMPILER1
230       Runtime1::print_counters_on(&log);
231 #endif
232 #ifdef COMPILER2
233       OptoRuntime::print_counters_on(&log);
234       Deoptimization::print_counters_on(&log);
235 #endif
236     } else {
237       log.print_cr(": no info (%s is disabled)", (UsePerfData ? "ProfileRuntimeCalls" : "UsePerfData"));
238     }
239     log.cr();
240     perf_jvm_print_on(&log);
241     log.cr();
242     MethodHandles::print_counters_on(&log);
243   }
244 }
245 
246 void print_bytecode_count() {
247   if (CountBytecodes || TraceBytecodes || StopInterpreterAt) {
248     tty->print_cr("[BytecodeCounter::counter_value = %zu]", BytecodeCounter::counter_value());
249   }
250 }
251 
252 #ifndef PRODUCT
253 
254 // Statistics printing (method invocation histogram)
255 
256 GrowableArray<Method*>* collected_invoked_methods;
257 
258 static void collect_invoked_methods(Method* m) {
259   if (m->invocation_count() + m->compiled_invocation_count() >= 1) {
260     collected_invoked_methods->push(m);
261   }
262 }
263 
264 
265 // Invocation count accumulators should be unsigned long to shift the
266 // overflow border. Longer-running workloads tend to create invocation
267 // counts which already overflow 32-bit counters for individual methods.
268 static void print_method_invocation_histogram() {
269   ResourceMark rm;
270   collected_invoked_methods = new GrowableArray<Method*>(1024);
271   SystemDictionary::methods_do(collect_invoked_methods);

299     if (m->is_synchronized()) synch_total  += iic + cic;
300     if (m->is_native())       native_total += iic + cic;
301     if (m->is_accessor())     access_total += iic + cic;
302   }
303   tty->cr();
304   total = int_total + comp_total;
305   special_total = final_total + static_total +synch_total + native_total + access_total;
306   tty->print_cr("Invocations summary for %d methods:", collected_invoked_methods->length());
307   double total_div = (double)total;
308   tty->print_cr("\t" UINT64_FORMAT_W(12) " (100%%)  total",           total);
309   tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- interpreted", int_total,     100.0 * (double)int_total    / total_div);
310   tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- compiled",    comp_total,    100.0 * (double)comp_total   / total_div);
311   tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- special methods (interpreted and compiled)",
312                                                                          special_total, 100.0 * (double)special_total/ total_div);
313   tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%)    |- synchronized",synch_total,   100.0 * (double)synch_total  / total_div);
314   tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%)    |- final",       final_total,   100.0 * (double)final_total  / total_div);
315   tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%)    |- static",      static_total,  100.0 * (double)static_total / total_div);
316   tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%)    |- native",      native_total,  100.0 * (double)native_total / total_div);
317   tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%)    |- accessor",    access_total,  100.0 * (double)access_total / total_div);
318   tty->cr();
319   SharedRuntime::print_call_statistics_on(tty);

320 




321 }
322 
323 #else
324 
325 static void print_method_invocation_histogram() {}

326 
327 #endif // PRODUCT
328 
329 
330 // General statistics printing (profiling ...)
331 void print_statistics() {
332 #if INCLUDE_CDS
333   if (AOTReplayTraining && AOTPrintTrainingInfo) {
334     TrainingData::print_archived_training_data_on(tty);
335   }
336 #endif
337   if (CITime) {
338     CompileBroker::print_times();
339   }
340 
341 #ifdef COMPILER1
342   if ((PrintC1Statistics || LogVMOutput || LogCompilation) && UseCompiler) {
343     FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintC1Statistics);
344     Runtime1::print_statistics_on(tty);
345     SharedRuntime::print_statistics();
346   }
347 #endif /* COMPILER1 */
348 
349 #ifdef COMPILER2
350   if ((PrintOptoStatistics || LogVMOutput || LogCompilation) && UseCompiler) {
351     FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintOptoStatistics);
352     Compile::print_statistics();
353     Deoptimization::print_statistics();
354 #ifndef COMPILER1
355     SharedRuntime::print_statistics();
356 #endif //COMPILER1
357   }
358 
359   if (PrintLockStatistics) {
360     OptoRuntime::print_named_counters();
361   }
362 #ifdef ASSERT
363   if (CollectIndexSetStatistics) {
364     IndexSet::print_statistics();

391   if (PrintSymbolTableSizeHistogram) {
392     SymbolTable::print_histogram();
393   }
394   if (CountBytecodes || TraceBytecodes || StopInterpreterAt) {
395     BytecodeCounter::print();
396   }
397   if (PrintBytecodePairHistogram) {
398     BytecodePairHistogram::print();
399   }
400 
401   if (PrintCodeCache) {
402     MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
403     CodeCache::print();
404   }
405 
406   // CodeHeap State Analytics.
407   if (PrintCodeHeapAnalytics) {
408     CompileBroker::print_heapinfo(nullptr, "all", 4096); // details
409   }
410 
411   LogStreamHandle(Debug, codecache, nmethod) log;
412   if (log.is_enabled()) {
413     MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
414     CodeCache::print_nmethods_on(&log);
415   }
416 
417 #ifndef PRODUCT
418   if (PrintCodeCache2) {
419     MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
420     CodeCache::print_internals();
421   }
422 #endif
423 
424   if (VerifyOops && Verbose) {
425     tty->print_cr("+VerifyOops count: %d", StubRoutines::verify_oop_count());
426   }
427 
428   print_bytecode_count();
429 
430   if (PrintVMInfoAtExit) {
431     // Use an intermediate stream to prevent deadlocking on tty_lock
432     stringStream ss;
433     VMError::print_vm_info(&ss);
434     tty->print_raw(ss.base());
435   }
436 

444     ResourceMark rm;
445     MutexLocker mcld(ClassLoaderDataGraph_lock);
446     ClassLoaderDataGraph::print();
447   }
448 
449   // Native memory tracking data
450   if (PrintNMTStatistics) {
451     MemTracker::final_report(tty);
452   }
453 
454   if (PrintMetaspaceStatisticsAtExit) {
455     MetaspaceUtils::print_basic_report(tty, 0);
456   }
457 
458   if (PrintCompilerMemoryStatisticsAtExit) {
459     CompilationMemoryStatistic::print_final_report(tty);
460   }
461 
462   ThreadsSMRSupport::log_statistics();
463 
464   log_vm_init_stats();
465 
466   if (log_is_enabled(Info, perf, class, link)) {
467     LogStreamHandle(Info, perf, class, link) log;
468     log.print_cr("At VM exit:");
469     ClassLoader::print_counters(&log);
470   }
471 }
472 
473 // Note: before_exit() can be executed only once, if more than one threads
474 //       are trying to shutdown the VM at the same time, only one thread
475 //       can run before_exit() and all other threads must wait.
476 void before_exit(JavaThread* thread, bool halt) {
477   #define BEFORE_EXIT_NOT_RUN 0
478   #define BEFORE_EXIT_RUNNING 1
479   #define BEFORE_EXIT_DONE    2
480   static jint volatile _before_exit_status = BEFORE_EXIT_NOT_RUN;
481 
482   Events::log(thread, "Before exit entered");
483 
484   // Note: don't use a Mutex to guard the entire before_exit(), as
485   // JVMTI post_thread_end_event and post_vm_death_event will run native code.

511 
512   // Do not add any additional shutdown logic between the above mutex logic and
513   // leak sanitizer logic below. Any additional shutdown code which performs some
514   // cleanup should be added after the leak sanitizer logic below.
515 
516 #ifdef LEAK_SANITIZER
517   // If we are built with LSan, we need to perform leak checking. If we are
518   // terminating normally, not halting and no VM error, we perform a normal
519   // leak check which terminates if leaks are found. If we are not terminating
520   // normally, halting or VM error, we perform a recoverable leak check which
521   // prints leaks but will not terminate.
522   if (!halt && !VMError::is_error_reported()) {
523     LSAN_DO_LEAK_CHECK();
524   } else {
525     // Ignore the return value.
526     static_cast<void>(LSAN_DO_RECOVERABLE_LEAK_CHECK());
527   }
528 #endif
529 
530 #if INCLUDE_CDS
531   MethodProfiler::process_method_hotness();
532   // Dynamic CDS dumping must happen whilst we can still reliably
533   // run Java code.
534   DynamicArchive::dump_at_exit(thread);
535   assert(!thread->has_pending_exception(), "must be");
536 #endif
537 
538   // Actual shutdown logic begins here.
539 
540 #if INCLUDE_JVMCI
541   if (EnableJVMCI) {
542     JVMCI::shutdown(thread);
543   }
544 #endif
545 
546 #if INCLUDE_CDS
547   ClassListWriter::write_resolved_constants();
548   ClassListWriter::write_reflection_data();
549   ClassListWriter::write_loader_negative_lookup_cache();
550   if (CDSConfig::is_dumping_preimage_static_archive()) {
551     AOTMetaspace::preload_and_dump(thread);
552   }
553 #endif
554 
555   // Hang forever on exit if we're reporting an error.
556   if (ShowMessageBoxOnError && VMError::is_error_reported()) {
557     os::infinite_sleep();
558   }
559 
560   EventThreadEnd event;
561   if (event.should_commit()) {
562     event.set_thread(JFR_JVM_THREAD_ID(thread));
563     event.commit();
564   }
565 
566   // 2nd argument (emit_event_shutdown) should be set to false
567   // because EventShutdown would be emitted at Threads::destroy_vm().
568   // (one of the callers of before_exit())
569   JFR_ONLY(Jfr::on_vm_shutdown(true, false, halt);)
570 
571   // Stop the WatcherThread. We do this before disenrolling various
572   // PeriodicTasks to reduce the likelihood of races.
573   WatcherThread::stop();
574 
575   NativeHeapTrimmer::cleanup();
576 
577   // Run before exit and then stop concurrent GC threads
578   Universe::before_exit();
579 
580   if (PrintBytecodeHistogram) {
581     BytecodeHistogram::print(PrintBytecodeHistogramCutoff);
582   }
583 
584 #ifdef LINUX
585   if (DumpPerfMapAtExit) {
586     CodeCache::write_perf_map(nullptr, tty);
587   }
588   if (PrintMemoryMapAtExit) {
589     MemMapPrinter::print_all_mappings(tty);
590   }
591 #endif
592 
593   if (JvmtiExport::should_post_thread_life()) {
594     JvmtiExport::post_thread_end(thread);
595   }
596 
597   // Always call even when there are not JVMTI environments yet, since environments
598   // may be attached late and JVMTI must track phases of VM execution
599   JvmtiExport::post_vm_death();
600   JvmtiAgentList::unload_agents();
601 
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