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/os.hpp"
75 #include "runtime/sharedRuntime.hpp"
76 #include "runtime/stubRoutines.hpp"
77 #include "runtime/task.hpp"
78 #include "runtime/threads.hpp"
79 #include "runtime/timer.hpp"
80 #include "runtime/trimNativeHeap.hpp"
81 #include "runtime/vm_version.hpp"
82 #include "runtime/vmOperations.hpp"
83 #include "runtime/vmThread.hpp"
84 #include "sanitizers/leak.hpp"
85 #include "utilities/dtrace.hpp"
86 #include "utilities/events.hpp"
87 #include "utilities/globalDefinitions.hpp"
88 #include "utilities/macros.hpp"
145 ss.print_cr("------------------------------------------------------------------------");
146 m->print_invocation_count(&ss);
147 ss.print_cr(" mdo size: %d bytes", m->method_data()->size_in_bytes());
148 ss.cr();
149 // Dump data on parameters if any
150 if (m->method_data() != nullptr && m->method_data()->parameters_type_data() != nullptr) {
151 ss.fill_to(2);
152 m->method_data()->parameters_type_data()->print_data_on(&ss);
153 }
154 // Buffering to a stringStream, disable internal buffering so it's not done twice.
155 m->print_codes_on(&ss, 0, false);
156 tty->print("%s", ss.as_string()); // print all at once
157 total_size += m->method_data()->size_in_bytes();
158 }
159 tty->print_cr("------------------------------------------------------------------------");
160 tty->print_cr("Total MDO size: %d bytes", total_size);
161 }
162 }
163 }
164
165 #ifndef PRODUCT
166
167 // Statistics printing (method invocation histogram)
168
169 GrowableArray<Method*>* collected_invoked_methods;
170
171 static void collect_invoked_methods(Method* m) {
172 if (m->invocation_count() + m->compiled_invocation_count() >= 1) {
173 collected_invoked_methods->push(m);
174 }
175 }
176
177
178 // Invocation count accumulators should be unsigned long to shift the
179 // overflow border. Longer-running workloads tend to create invocation
180 // counts which already overflow 32-bit counters for individual methods.
181 static void print_method_invocation_histogram() {
182 ResourceMark rm;
183 collected_invoked_methods = new GrowableArray<Method*>(1024);
184 SystemDictionary::methods_do(collect_invoked_methods);
212 if (m->is_synchronized()) synch_total += iic + cic;
213 if (m->is_native()) native_total += iic + cic;
214 if (m->is_accessor()) access_total += iic + cic;
215 }
216 tty->cr();
217 total = int_total + comp_total;
218 special_total = final_total + static_total +synch_total + native_total + access_total;
219 tty->print_cr("Invocations summary for %d methods:", collected_invoked_methods->length());
220 double total_div = (double)total;
221 tty->print_cr("\t" UINT64_FORMAT_W(12) " (100%%) total", total);
222 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- interpreted", int_total, 100.0 * (double)int_total / total_div);
223 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- compiled", comp_total, 100.0 * (double)comp_total / total_div);
224 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- special methods (interpreted and compiled)",
225 special_total, 100.0 * (double)special_total/ total_div);
226 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- synchronized",synch_total, 100.0 * (double)synch_total / total_div);
227 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- final", final_total, 100.0 * (double)final_total / total_div);
228 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- static", static_total, 100.0 * (double)static_total / total_div);
229 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- native", native_total, 100.0 * (double)native_total / total_div);
230 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- accessor", access_total, 100.0 * (double)access_total / total_div);
231 tty->cr();
232 SharedRuntime::print_call_statistics(comp_total);
233 }
234
235 static void print_bytecode_count() {
236 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) {
237 tty->print_cr("[BytecodeCounter::counter_value = %zu]", BytecodeCounter::counter_value());
238 }
239 }
240
241 #else
242
243 static void print_method_invocation_histogram() {}
244 static void print_bytecode_count() {}
245
246 #endif // PRODUCT
247
248
249 // General statistics printing (profiling ...)
250 void print_statistics() {
251 if (CITime) {
252 CompileBroker::print_times();
253 }
254
255 #ifdef COMPILER1
256 if ((PrintC1Statistics || LogVMOutput || LogCompilation) && UseCompiler) {
257 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintC1Statistics);
258 Runtime1::print_statistics();
259 SharedRuntime::print_statistics();
260 }
261 #endif /* COMPILER1 */
262
263 #ifdef COMPILER2
264 if ((PrintOptoStatistics || LogVMOutput || LogCompilation) && UseCompiler) {
265 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintOptoStatistics);
266 Compile::print_statistics();
267 Deoptimization::print_statistics();
268 #ifndef COMPILER1
269 SharedRuntime::print_statistics();
270 #endif //COMPILER1
271 }
272
273 if (PrintLockStatistics) {
274 OptoRuntime::print_named_counters();
275 }
276 #ifdef ASSERT
277 if (CollectIndexSetStatistics) {
278 IndexSet::print_statistics();
305 if (PrintSymbolTableSizeHistogram) {
306 SymbolTable::print_histogram();
307 }
308 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) {
309 BytecodeCounter::print();
310 }
311 if (PrintBytecodePairHistogram) {
312 BytecodePairHistogram::print();
313 }
314
315 if (PrintCodeCache) {
316 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
317 CodeCache::print();
318 }
319
320 // CodeHeap State Analytics.
321 if (PrintCodeHeapAnalytics) {
322 CompileBroker::print_heapinfo(nullptr, "all", 4096); // details
323 }
324
325 #ifndef PRODUCT
326 if (PrintCodeCache2) {
327 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
328 CodeCache::print_internals();
329 }
330 #endif
331
332 if (VerifyOops && Verbose) {
333 tty->print_cr("+VerifyOops count: %d", StubRoutines::verify_oop_count());
334 }
335
336 print_bytecode_count();
337
338 if (PrintVMInfoAtExit) {
339 // Use an intermediate stream to prevent deadlocking on tty_lock
340 stringStream ss;
341 VMError::print_vm_info(&ss);
342 tty->print_raw(ss.base());
343 }
344
352 ResourceMark rm;
353 MutexLocker mcld(ClassLoaderDataGraph_lock);
354 ClassLoaderDataGraph::print();
355 }
356
357 // Native memory tracking data
358 if (PrintNMTStatistics) {
359 MemTracker::final_report(tty);
360 }
361
362 if (PrintMetaspaceStatisticsAtExit) {
363 MetaspaceUtils::print_basic_report(tty, 0);
364 }
365
366 if (PrintCompilerMemoryStatisticsAtExit) {
367 CompilationMemoryStatistic::print_final_report(tty);
368 }
369
370 ThreadsSMRSupport::log_statistics();
371
372 if (log_is_enabled(Info, perf, class, link)) {
373 LogStreamHandle(Info, perf, class, link) log;
374 log.print_cr("At VM exit:");
375 ClassLoader::print_counters(&log);
376 }
377 }
378
379 // Note: before_exit() can be executed only once, if more than one threads
380 // are trying to shutdown the VM at the same time, only one thread
381 // can run before_exit() and all other threads must wait.
382 void before_exit(JavaThread* thread, bool halt) {
383 #define BEFORE_EXIT_NOT_RUN 0
384 #define BEFORE_EXIT_RUNNING 1
385 #define BEFORE_EXIT_DONE 2
386 static jint volatile _before_exit_status = BEFORE_EXIT_NOT_RUN;
387
388 Events::log(thread, "Before exit entered");
389
390 // Note: don't use a Mutex to guard the entire before_exit(), as
391 // JVMTI post_thread_end_event and post_vm_death_event will run native code.
417
418 // Do not add any additional shutdown logic between the above mutex logic and
419 // leak sanitizer logic below. Any additional shutdown code which performs some
420 // cleanup should be added after the leak sanitizer logic below.
421
422 #ifdef LEAK_SANITIZER
423 // If we are built with LSan, we need to perform leak checking. If we are
424 // terminating normally, not halting and no VM error, we perform a normal
425 // leak check which terminates if leaks are found. If we are not terminating
426 // normally, halting or VM error, we perform a recoverable leak check which
427 // prints leaks but will not terminate.
428 if (!halt && !VMError::is_error_reported()) {
429 LSAN_DO_LEAK_CHECK();
430 } else {
431 // Ignore the return value.
432 static_cast<void>(LSAN_DO_RECOVERABLE_LEAK_CHECK());
433 }
434 #endif
435
436 #if INCLUDE_CDS
437 // Dynamic CDS dumping must happen whilst we can still reliably
438 // run Java code.
439 DynamicArchive::dump_at_exit(thread);
440 assert(!thread->has_pending_exception(), "must be");
441 #endif
442
443 // Actual shutdown logic begins here.
444
445 #if INCLUDE_JVMCI
446 if (EnableJVMCI) {
447 JVMCI::shutdown(thread);
448 }
449 #endif
450
451 #if INCLUDE_CDS
452 ClassListWriter::write_resolved_constants();
453
454 if (CDSConfig::is_dumping_preimage_static_archive()) {
455 AOTMetaspace::dump_static_archive(thread);
456 }
457 #endif
458
459 // Hang forever on exit if we're reporting an error.
460 if (ShowMessageBoxOnError && VMError::is_error_reported()) {
461 os::infinite_sleep();
462 }
463
464 EventThreadEnd event;
465 if (event.should_commit()) {
466 event.set_thread(JFR_JVM_THREAD_ID(thread));
467 event.commit();
468 }
469
470 JFR_ONLY(Jfr::on_vm_shutdown(false, halt);)
471
472 // Stop the WatcherThread. We do this before disenrolling various
473 // PeriodicTasks to reduce the likelihood of races.
474 WatcherThread::stop();
475
476 NativeHeapTrimmer::cleanup();
477
478 if (JvmtiExport::should_post_thread_life()) {
479 JvmtiExport::post_thread_end(thread);
480 }
481
482 // Always call even when there are not JVMTI environments yet, since environments
483 // may be attached late and JVMTI must track phases of VM execution.
484 JvmtiExport::post_vm_death();
485 JvmtiAgentList::unload_agents();
486
487 // No user code can be executed in the current thread after this point.
488
489 // Run before exit and then stop concurrent GC threads.
490 Universe::before_exit();
491
492 if (PrintBytecodeHistogram) {
493 BytecodeHistogram::print();
494 }
495
496 #ifdef LINUX
497 if (DumpPerfMapAtExit) {
498 CodeCache::write_perf_map(nullptr, tty);
499 }
500 if (PrintMemoryMapAtExit) {
501 MemMapPrinter::print_all_mappings(tty);
502 }
503 #endif
504
505 // Terminate the signal thread
506 // Note: we don't wait until it actually dies.
507 os::terminate_signal_thread();
508
509 #if INCLUDE_CDS
510 if (AOTVerifyTrainingData) {
511 TrainingData::verify();
512 }
513 #endif
514
515 print_statistics();
516
517 { MutexLocker ml(BeforeExit_lock);
518 _before_exit_status = BEFORE_EXIT_DONE;
519 BeforeExit_lock->notify_all();
520 }
521
522 if (VerifyStringTableAtExit) {
523 size_t fail_cnt = StringTable::verify_and_compare_entries();
524 if (fail_cnt != 0) {
525 tty->print_cr("ERROR: fail_cnt=%zu", fail_cnt);
526 guarantee(fail_cnt == 0, "unexpected StringTable verification failures");
527 }
528 }
529
530 #undef BEFORE_EXIT_NOT_RUN
531 #undef BEFORE_EXIT_RUNNING
532 #undef BEFORE_EXIT_DONE
533 }
534
535 void vm_exit(int code) {
|
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/os.hpp"
82 #include "runtime/sharedRuntime.hpp"
83 #include "runtime/stubRoutines.hpp"
84 #include "runtime/task.hpp"
85 #include "runtime/threads.hpp"
86 #include "runtime/timer.hpp"
87 #include "runtime/trimNativeHeap.hpp"
88 #include "runtime/vm_version.hpp"
89 #include "runtime/vmOperations.hpp"
90 #include "runtime/vmThread.hpp"
91 #include "sanitizers/leak.hpp"
92 #include "utilities/dtrace.hpp"
93 #include "utilities/events.hpp"
94 #include "utilities/globalDefinitions.hpp"
95 #include "utilities/macros.hpp"
152 ss.print_cr("------------------------------------------------------------------------");
153 m->print_invocation_count(&ss);
154 ss.print_cr(" mdo size: %d bytes", m->method_data()->size_in_bytes());
155 ss.cr();
156 // Dump data on parameters if any
157 if (m->method_data() != nullptr && m->method_data()->parameters_type_data() != nullptr) {
158 ss.fill_to(2);
159 m->method_data()->parameters_type_data()->print_data_on(&ss);
160 }
161 // Buffering to a stringStream, disable internal buffering so it's not done twice.
162 m->print_codes_on(&ss, 0, false);
163 tty->print("%s", ss.as_string()); // print all at once
164 total_size += m->method_data()->size_in_bytes();
165 }
166 tty->print_cr("------------------------------------------------------------------------");
167 tty->print_cr("Total MDO size: %d bytes", total_size);
168 }
169 }
170 }
171
172 void perf_jvm_print_on(outputStream* st);
173
174 void log_vm_init_stats() {
175 LogStreamHandle(Info, init) log;
176 if (log.is_enabled()) {
177 SharedRuntime::print_counters_on(&log);
178 ClassLoader::print_counters(&log);
179 AOTLinkedClassBulkLoader::print_counters_on(&log);
180 log.cr();
181 // FIXME: intermittent crashes
182 // if (CountBytecodesPerThread) {
183 // log.print_cr("Thread info:");
184 // class PrintThreadInfo : public ThreadClosure {
185 // outputStream* _st;
186 // public:
187 // PrintThreadInfo(outputStream* st) : ThreadClosure(), _st(st) {}
188 // void do_thread(Thread* thread) {
189 // JavaThread* jt = JavaThread::cast(thread);
190 // if (jt->bc_counter_value() > 0) {
191 // _st->print_cr(" Thread " INTPTR_FORMAT ": %ld bytecodes executed (clinit: %ld)",
192 // p2i(jt), /*jt->name(),*/ jt->bc_counter_value(), jt->clinit_bc_counter_value());
193 // }
194 // }
195 // };
196 // PrintThreadInfo cl(&log);
197 // Threads::java_threads_do(&cl);
198 // }
199 // log.cr();
200 log.print_cr("Deoptimization events: ");
201 Deoptimization::print_statistics_on(&log);
202 log.cr();
203
204 log.print("Compilation statistics: ");
205 CompileBroker::print_statistics_on(&log);
206 log.cr();
207
208 {
209 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
210 log.print("Code cache statistics: ");
211 CodeCache::print_nmethod_statistics_on(&log);
212 log.cr();
213 }
214
215 if (AOTCodeCache::is_on_for_use()) {
216 log.print_cr("Startup Code Cache: ");
217 AOTCodeCache::print_statistics_on(&log);
218 log.cr();
219 AOTCodeCache::print_timers_on(&log);
220 }
221
222 VMThread::print_counters_on(&log);
223 log.cr();
224 MutexLockerImpl::print_counters_on(&log);
225 log.cr();
226 log.print("Runtime events for thread \"main\"");
227 if (ProfileRuntimeCalls) {
228 log.print_cr(" (%d nested events):", ProfileVMCallContext::nested_runtime_calls_count());
229
230 InterpreterRuntime::print_counters_on(&log);
231 #ifdef COMPILER1
232 Runtime1::print_counters_on(&log);
233 #endif
234 #ifdef COMPILER2
235 OptoRuntime::print_counters_on(&log);
236 Deoptimization::print_counters_on(&log);
237 #endif
238 } else {
239 log.print_cr(": no info (%s is disabled)", (UsePerfData ? "ProfileRuntimeCalls" : "UsePerfData"));
240 }
241 log.cr();
242 perf_jvm_print_on(&log);
243 log.cr();
244 MethodHandles::print_counters_on(&log);
245 }
246 }
247
248 void print_bytecode_count() {
249 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) {
250 tty->print_cr("[BytecodeCounter::counter_value = %zu]", BytecodeCounter::counter_value());
251 }
252 }
253
254 #ifndef PRODUCT
255
256 // Statistics printing (method invocation histogram)
257
258 GrowableArray<Method*>* collected_invoked_methods;
259
260 static void collect_invoked_methods(Method* m) {
261 if (m->invocation_count() + m->compiled_invocation_count() >= 1) {
262 collected_invoked_methods->push(m);
263 }
264 }
265
266
267 // Invocation count accumulators should be unsigned long to shift the
268 // overflow border. Longer-running workloads tend to create invocation
269 // counts which already overflow 32-bit counters for individual methods.
270 static void print_method_invocation_histogram() {
271 ResourceMark rm;
272 collected_invoked_methods = new GrowableArray<Method*>(1024);
273 SystemDictionary::methods_do(collect_invoked_methods);
301 if (m->is_synchronized()) synch_total += iic + cic;
302 if (m->is_native()) native_total += iic + cic;
303 if (m->is_accessor()) access_total += iic + cic;
304 }
305 tty->cr();
306 total = int_total + comp_total;
307 special_total = final_total + static_total +synch_total + native_total + access_total;
308 tty->print_cr("Invocations summary for %d methods:", collected_invoked_methods->length());
309 double total_div = (double)total;
310 tty->print_cr("\t" UINT64_FORMAT_W(12) " (100%%) total", total);
311 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- interpreted", int_total, 100.0 * (double)int_total / total_div);
312 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- compiled", comp_total, 100.0 * (double)comp_total / total_div);
313 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- special methods (interpreted and compiled)",
314 special_total, 100.0 * (double)special_total/ total_div);
315 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- synchronized",synch_total, 100.0 * (double)synch_total / total_div);
316 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- final", final_total, 100.0 * (double)final_total / total_div);
317 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- static", static_total, 100.0 * (double)static_total / total_div);
318 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- native", native_total, 100.0 * (double)native_total / total_div);
319 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- accessor", access_total, 100.0 * (double)access_total / total_div);
320 tty->cr();
321 SharedRuntime::print_call_statistics_on(tty);
322
323 }
324
325 #else
326
327 static void print_method_invocation_histogram() {}
328
329 #endif // PRODUCT
330
331
332 // General statistics printing (profiling ...)
333 void print_statistics_before_exit() {
334 #if INCLUDE_CDS
335 if (AOTReplayTraining && AOTPrintTrainingInfo) {
336 TrainingData::print_archived_training_data_on(tty);
337 }
338 #endif
339 if (CITime) {
340 CompileBroker::print_times();
341 }
342
343 #ifdef COMPILER1
344 if ((PrintC1Statistics || LogVMOutput || LogCompilation) && UseCompiler) {
345 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintC1Statistics);
346 Runtime1::print_statistics_on(tty);
347 SharedRuntime::print_statistics();
348 }
349 #endif /* COMPILER1 */
350
351 #ifdef COMPILER2
352 if ((PrintOptoStatistics || LogVMOutput || LogCompilation) && UseCompiler) {
353 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintOptoStatistics);
354 Compile::print_statistics();
355 Deoptimization::print_statistics();
356 #ifndef COMPILER1
357 SharedRuntime::print_statistics();
358 #endif //COMPILER1
359 }
360
361 if (PrintLockStatistics) {
362 OptoRuntime::print_named_counters();
363 }
364 #ifdef ASSERT
365 if (CollectIndexSetStatistics) {
366 IndexSet::print_statistics();
393 if (PrintSymbolTableSizeHistogram) {
394 SymbolTable::print_histogram();
395 }
396 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) {
397 BytecodeCounter::print();
398 }
399 if (PrintBytecodePairHistogram) {
400 BytecodePairHistogram::print();
401 }
402
403 if (PrintCodeCache) {
404 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
405 CodeCache::print();
406 }
407
408 // CodeHeap State Analytics.
409 if (PrintCodeHeapAnalytics) {
410 CompileBroker::print_heapinfo(nullptr, "all", 4096); // details
411 }
412
413 LogStreamHandle(Debug, codecache, nmethod) log;
414 if (log.is_enabled()) {
415 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
416 CodeCache::print_nmethods_on(&log);
417 }
418
419 #ifndef PRODUCT
420 if (PrintCodeCache2) {
421 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
422 CodeCache::print_internals();
423 }
424 #endif
425
426 if (VerifyOops && Verbose) {
427 tty->print_cr("+VerifyOops count: %d", StubRoutines::verify_oop_count());
428 }
429
430 print_bytecode_count();
431
432 if (PrintVMInfoAtExit) {
433 // Use an intermediate stream to prevent deadlocking on tty_lock
434 stringStream ss;
435 VMError::print_vm_info(&ss);
436 tty->print_raw(ss.base());
437 }
438
446 ResourceMark rm;
447 MutexLocker mcld(ClassLoaderDataGraph_lock);
448 ClassLoaderDataGraph::print();
449 }
450
451 // Native memory tracking data
452 if (PrintNMTStatistics) {
453 MemTracker::final_report(tty);
454 }
455
456 if (PrintMetaspaceStatisticsAtExit) {
457 MetaspaceUtils::print_basic_report(tty, 0);
458 }
459
460 if (PrintCompilerMemoryStatisticsAtExit) {
461 CompilationMemoryStatistic::print_final_report(tty);
462 }
463
464 ThreadsSMRSupport::log_statistics();
465
466 log_vm_init_stats();
467
468 if (log_is_enabled(Info, perf, class, link)) {
469 LogStreamHandle(Info, perf, class, link) log;
470 log.print_cr("At VM exit:");
471 ClassLoader::print_counters(&log);
472 }
473 }
474
475 // Note: before_exit() can be executed only once, if more than one threads
476 // are trying to shutdown the VM at the same time, only one thread
477 // can run before_exit() and all other threads must wait.
478 void before_exit(JavaThread* thread, bool halt) {
479 #define BEFORE_EXIT_NOT_RUN 0
480 #define BEFORE_EXIT_RUNNING 1
481 #define BEFORE_EXIT_DONE 2
482 static jint volatile _before_exit_status = BEFORE_EXIT_NOT_RUN;
483
484 Events::log(thread, "Before exit entered");
485
486 // Note: don't use a Mutex to guard the entire before_exit(), as
487 // JVMTI post_thread_end_event and post_vm_death_event will run native code.
513
514 // Do not add any additional shutdown logic between the above mutex logic and
515 // leak sanitizer logic below. Any additional shutdown code which performs some
516 // cleanup should be added after the leak sanitizer logic below.
517
518 #ifdef LEAK_SANITIZER
519 // If we are built with LSan, we need to perform leak checking. If we are
520 // terminating normally, not halting and no VM error, we perform a normal
521 // leak check which terminates if leaks are found. If we are not terminating
522 // normally, halting or VM error, we perform a recoverable leak check which
523 // prints leaks but will not terminate.
524 if (!halt && !VMError::is_error_reported()) {
525 LSAN_DO_LEAK_CHECK();
526 } else {
527 // Ignore the return value.
528 static_cast<void>(LSAN_DO_RECOVERABLE_LEAK_CHECK());
529 }
530 #endif
531
532 #if INCLUDE_CDS
533 MethodProfiler::process_method_hotness();
534 // Dynamic CDS dumping must happen whilst we can still reliably
535 // run Java code.
536 DynamicArchive::dump_at_exit(thread);
537 assert(!thread->has_pending_exception(), "must be");
538 #endif
539
540 // Actual shutdown logic begins here.
541
542 #if INCLUDE_JVMCI
543 if (EnableJVMCI) {
544 JVMCI::shutdown(thread);
545 }
546 #endif
547
548 #if INCLUDE_CDS
549 ClassListWriter::write_resolved_constants();
550 ClassListWriter::write_loader_negative_lookup_cache();
551 if (CDSConfig::is_dumping_preimage_static_archive()) {
552 AOTMetaspace::dump_static_archive(thread);
553 }
554 #endif
555
556 // Hang forever on exit if we're reporting an error.
557 if (ShowMessageBoxOnError && VMError::is_error_reported()) {
558 os::infinite_sleep();
559 }
560
561 EventThreadEnd event;
562 if (event.should_commit()) {
563 event.set_thread(JFR_JVM_THREAD_ID(thread));
564 event.commit();
565 }
566
567 JFR_ONLY(Jfr::on_vm_shutdown(false, halt);)
568
569 // Stop the WatcherThread. We do this before disenrolling various
570 // PeriodicTasks to reduce the likelihood of races.
571 WatcherThread::stop();
572
573 NativeHeapTrimmer::cleanup();
574
575 if (JvmtiExport::should_post_thread_life()) {
576 JvmtiExport::post_thread_end(thread);
577 }
578
579 // Always call even when there are not JVMTI environments yet, since environments
580 // may be attached late and JVMTI must track phases of VM execution.
581 JvmtiExport::post_vm_death();
582 JvmtiAgentList::unload_agents();
583
584 // No user code can be executed in the current thread after this point.
585
586 // Run before exit and then stop concurrent GC threads.
587 Universe::before_exit();
588
589 if (PrintBytecodeHistogram) {
590 BytecodeHistogram::print(PrintBytecodeHistogramCutoff);
591 }
592
593 #ifdef LINUX
594 if (DumpPerfMapAtExit) {
595 CodeCache::write_perf_map(nullptr, tty);
596 }
597 if (PrintMemoryMapAtExit) {
598 MemMapPrinter::print_all_mappings(tty);
599 }
600 #endif
601
602 // Terminate the signal thread
603 // Note: we don't wait until it actually dies.
604 os::terminate_signal_thread();
605
606 #if INCLUDE_CDS
607 if (AOTVerifyTrainingData) {
608 TrainingData::verify();
609 }
610 #endif
611
612 print_statistics_before_exit();
613
614 { MutexLocker ml(BeforeExit_lock);
615 _before_exit_status = BEFORE_EXIT_DONE;
616 BeforeExit_lock->notify_all();
617 }
618
619 if (VerifyStringTableAtExit) {
620 size_t fail_cnt = StringTable::verify_and_compare_entries();
621 if (fail_cnt != 0) {
622 tty->print_cr("ERROR: fail_cnt=%zu", fail_cnt);
623 guarantee(fail_cnt == 0, "unexpected StringTable verification failures");
624 }
625 }
626
627 #undef BEFORE_EXIT_NOT_RUN
628 #undef BEFORE_EXIT_RUNNING
629 #undef BEFORE_EXIT_DONE
630 }
631
632 void vm_exit(int code) {
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