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 "cds/cds_globals.hpp"
27 #include "cds/classListWriter.hpp"
28 #include "cds/dynamicArchive.hpp"
29 #include "classfile/classLoader.hpp"
30 #include "classfile/classLoaderDataGraph.hpp"
31 #include "classfile/javaClasses.hpp"
32 #include "classfile/stringTable.hpp"
33 #include "classfile/symbolTable.hpp"
34 #include "classfile/systemDictionary.hpp"
35 #include "code/codeCache.hpp"
36 #include "compiler/compilationMemoryStatistic.hpp"
37 #include "compiler/compileBroker.hpp"
38 #include "compiler/compilerOracle.hpp"
39 #include "gc/shared/collectedHeap.hpp"
40 #include "gc/shared/stringdedup/stringDedup.hpp"
41 #include "interpreter/bytecodeHistogram.hpp"
42 #include "jfr/jfrEvents.hpp"
43 #include "jfr/support/jfrThreadId.hpp"
44 #include "jvm.h"
45 #include "logging/log.hpp"
46 #include "logging/logStream.hpp"
47 #include "memory/metaspaceUtils.hpp"
48 #include "memory/oopFactory.hpp"
49 #include "memory/resourceArea.hpp"
50 #include "memory/universe.hpp"
51 #include "nmt/memMapPrinter.hpp"
52 #include "nmt/memTracker.hpp"
53 #include "oops/constantPool.hpp"
54 #include "oops/generateOopMap.hpp"
55 #include "oops/instanceKlass.hpp"
56 #include "oops/instanceOop.hpp"
57 #include "oops/klassVtable.hpp"
58 #include "oops/method.hpp"
59 #include "oops/objArrayOop.hpp"
60 #include "oops/oop.inline.hpp"
61 #include "oops/symbol.hpp"
62 #include "prims/jvmtiAgentList.hpp"
63 #include "prims/jvmtiExport.hpp"
64 #include "runtime/continuation.hpp"
65 #include "runtime/deoptimization.hpp"
66 #include "runtime/flags/flagSetting.hpp"
67 #include "runtime/handles.inline.hpp"
68 #include "runtime/init.hpp"
69 #include "runtime/interfaceSupport.inline.hpp"
70 #include "runtime/java.hpp"
71 #include "runtime/javaThread.hpp"
72 #include "runtime/sharedRuntime.hpp"
73 #include "runtime/statSampler.hpp"
74 #include "runtime/stubRoutines.hpp"
75 #include "runtime/task.hpp"
76 #include "runtime/threads.hpp"
77 #include "runtime/timer.hpp"
78 #include "runtime/trimNativeHeap.hpp"
79 #include "runtime/vmOperations.hpp"
80 #include "runtime/vmThread.hpp"
81 #include "runtime/vm_version.hpp"
82 #include "sanitizers/leak.hpp"
83 #include "utilities/dtrace.hpp"
84 #include "utilities/events.hpp"
85 #include "utilities/globalDefinitions.hpp"
86 #include "utilities/macros.hpp"
142
143 ss.print_cr("------------------------------------------------------------------------");
144 m->print_invocation_count(&ss);
145 ss.print_cr(" mdo size: %d bytes", m->method_data()->size_in_bytes());
146 ss.cr();
147 // Dump data on parameters if any
148 if (m->method_data() != nullptr && m->method_data()->parameters_type_data() != nullptr) {
149 ss.fill_to(2);
150 m->method_data()->parameters_type_data()->print_data_on(&ss);
151 }
152 m->print_codes_on(&ss);
153 tty->print("%s", ss.as_string()); // print all at once
154 total_size += m->method_data()->size_in_bytes();
155 }
156 tty->print_cr("------------------------------------------------------------------------");
157 tty->print_cr("Total MDO size: %d bytes", total_size);
158 }
159 }
160 }
161
162 #ifndef PRODUCT
163
164 // Statistics printing (method invocation histogram)
165
166 GrowableArray<Method*>* collected_invoked_methods;
167
168 static void collect_invoked_methods(Method* m) {
169 if (m->invocation_count() + m->compiled_invocation_count() >= 1) {
170 collected_invoked_methods->push(m);
171 }
172 }
173
174
175 // Invocation count accumulators should be unsigned long to shift the
176 // overflow border. Longer-running workloads tend to create invocation
177 // counts which already overflow 32-bit counters for individual methods.
178 static void print_method_invocation_histogram() {
179 ResourceMark rm;
180 collected_invoked_methods = new GrowableArray<Method*>(1024);
181 SystemDictionary::methods_do(collect_invoked_methods);
209 if (m->is_synchronized()) synch_total += iic + cic;
210 if (m->is_native()) native_total += iic + cic;
211 if (m->is_accessor()) access_total += iic + cic;
212 }
213 tty->cr();
214 total = int_total + comp_total;
215 special_total = final_total + static_total +synch_total + native_total + access_total;
216 tty->print_cr("Invocations summary for %d methods:", collected_invoked_methods->length());
217 double total_div = (double)total;
218 tty->print_cr("\t" UINT64_FORMAT_W(12) " (100%%) total", total);
219 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- interpreted", int_total, 100.0 * (double)int_total / total_div);
220 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- compiled", comp_total, 100.0 * (double)comp_total / total_div);
221 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- special methods (interpreted and compiled)",
222 special_total, 100.0 * (double)special_total/ total_div);
223 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- synchronized",synch_total, 100.0 * (double)synch_total / total_div);
224 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- final", final_total, 100.0 * (double)final_total / total_div);
225 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- static", static_total, 100.0 * (double)static_total / total_div);
226 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- native", native_total, 100.0 * (double)native_total / total_div);
227 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- accessor", access_total, 100.0 * (double)access_total / total_div);
228 tty->cr();
229 SharedRuntime::print_call_statistics(comp_total);
230 }
231
232 static void print_bytecode_count() {
233 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) {
234 tty->print_cr("[BytecodeCounter::counter_value = %d]", BytecodeCounter::counter_value());
235 }
236 }
237
238 #else
239
240 static void print_method_invocation_histogram() {}
241 static void print_bytecode_count() {}
242
243 #endif // PRODUCT
244
245
246 // General statistics printing (profiling ...)
247 void print_statistics() {
248 if (CITime) {
249 CompileBroker::print_times();
250 }
251
252 #ifdef COMPILER1
253 if ((PrintC1Statistics || LogVMOutput || LogCompilation) && UseCompiler) {
254 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintC1Statistics);
255 Runtime1::print_statistics();
256 SharedRuntime::print_statistics();
257 }
258 #endif /* COMPILER1 */
259
260 #ifdef COMPILER2
261 if ((PrintOptoStatistics || LogVMOutput || LogCompilation) && UseCompiler) {
262 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintOptoStatistics);
263 Compile::print_statistics();
264 Deoptimization::print_statistics();
265 #ifndef COMPILER1
266 SharedRuntime::print_statistics();
267 #endif //COMPILER1
268 }
269
270 if (PrintLockStatistics) {
271 OptoRuntime::print_named_counters();
272 }
273 #ifdef ASSERT
274 if (CollectIndexSetStatistics) {
275 IndexSet::print_statistics();
302 if (PrintSymbolTableSizeHistogram) {
303 SymbolTable::print_histogram();
304 }
305 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) {
306 BytecodeCounter::print();
307 }
308 if (PrintBytecodePairHistogram) {
309 BytecodePairHistogram::print();
310 }
311
312 if (PrintCodeCache) {
313 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
314 CodeCache::print();
315 }
316
317 // CodeHeap State Analytics.
318 if (PrintCodeHeapAnalytics) {
319 CompileBroker::print_heapinfo(nullptr, "all", 4096); // details
320 }
321
322 #ifndef PRODUCT
323 if (PrintCodeCache2) {
324 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
325 CodeCache::print_internals();
326 }
327 #endif
328
329 if (VerifyOops && Verbose) {
330 tty->print_cr("+VerifyOops count: %d", StubRoutines::verify_oop_count());
331 }
332
333 print_bytecode_count();
334
335 if (PrintSystemDictionaryAtExit) {
336 ResourceMark rm;
337 MutexLocker mcld(ClassLoaderDataGraph_lock);
338 SystemDictionary::print();
339 }
340
341 if (PrintClassLoaderDataGraphAtExit) {
342 ResourceMark rm;
343 MutexLocker mcld(ClassLoaderDataGraph_lock);
344 ClassLoaderDataGraph::print();
345 }
346
347 // Native memory tracking data
348 if (PrintNMTStatistics) {
349 MemTracker::final_report(tty);
350 }
351
352 if (PrintMetaspaceStatisticsAtExit) {
353 MetaspaceUtils::print_basic_report(tty, 0);
354 }
355
356 if (CompilerOracle::should_print_final_memstat_report()) {
357 CompilationMemoryStatistic::print_all_by_size(tty, false, 0);
358 }
359
360 ThreadsSMRSupport::log_statistics();
361
362 ClassLoader::print_counters(tty);
363 }
364
365 // Note: before_exit() can be executed only once, if more than one threads
366 // are trying to shutdown the VM at the same time, only one thread
367 // can run before_exit() and all other threads must wait.
368 void before_exit(JavaThread* thread, bool halt) {
369 #define BEFORE_EXIT_NOT_RUN 0
370 #define BEFORE_EXIT_RUNNING 1
371 #define BEFORE_EXIT_DONE 2
372 static jint volatile _before_exit_status = BEFORE_EXIT_NOT_RUN;
373
374 Events::log(thread, "Before exit entered");
375
376 // Note: don't use a Mutex to guard the entire before_exit(), as
377 // JVMTI post_thread_end_event and post_vm_death_event will run native code.
378 // A CAS or OSMutex would work just fine but then we need to manipulate
379 // thread state for Safepoint. Here we use Monitor wait() and notify_all()
380 // for synchronization.
381 { MonitorLocker ml(BeforeExit_lock);
382 switch (_before_exit_status) {
402 // this thread finishes before_exit().
403
404 // Do not add any additional shutdown logic between the above mutex logic and
405 // leak sanitizer logic below. Any additional shutdown code which performs some
406 // cleanup should be added after the leak sanitizer logic below.
407
408 #ifdef LEAK_SANITIZER
409 // If we are built with LSan, we need to perform leak checking. If we are
410 // terminating normally, not halting and no VM error, we perform a normal
411 // leak check which terminates if leaks are found. If we are not terminating
412 // normally, halting or VM error, we perform a recoverable leak check which
413 // prints leaks but will not terminate.
414 if (!halt && !VMError::is_error_reported()) {
415 LSAN_DO_LEAK_CHECK();
416 } else {
417 // Ignore the return value.
418 static_cast<void>(LSAN_DO_RECOVERABLE_LEAK_CHECK());
419 }
420 #endif
421
422 #if INCLUDE_CDS
423 // Dynamic CDS dumping must happen whilst we can still reliably
424 // run Java code.
425 DynamicArchive::dump_at_exit(thread, ArchiveClassesAtExit);
426 assert(!thread->has_pending_exception(), "must be");
427 #endif
428
429
430 // Actual shutdown logic begins here.
431
432 #if INCLUDE_JVMCI
433 if (EnableJVMCI) {
434 JVMCI::shutdown(thread);
435 }
436 #endif
437
438 #if INCLUDE_CDS
439 ClassListWriter::write_resolved_constants();
440 #endif
441
442 // Hang forever on exit if we're reporting an error.
443 if (ShowMessageBoxOnError && VMError::is_error_reported()) {
444 os::infinite_sleep();
445 }
446
447 EventThreadEnd event;
448 if (event.should_commit()) {
449 event.set_thread(JFR_JVM_THREAD_ID(thread));
450 event.commit();
451 }
452
453 JFR_ONLY(Jfr::on_vm_shutdown(false, halt);)
454
455 // Stop the WatcherThread. We do this before disenrolling various
456 // PeriodicTasks to reduce the likelihood of races.
457 WatcherThread::stop();
458
459 // shut down the StatSampler task
460 StatSampler::disengage();
461 StatSampler::destroy();
462
463 NativeHeapTrimmer::cleanup();
464
465 // Stop concurrent GC threads
466 Universe::heap()->stop();
467
468 // Print GC/heap related information.
469 Log(gc, heap, exit) log;
470 if (log.is_info()) {
471 ResourceMark rm;
472 LogStream ls_info(log.info());
473 Universe::print_on(&ls_info);
474 if (log.is_trace()) {
475 LogStream ls_trace(log.trace());
476 MutexLocker mcld(ClassLoaderDataGraph_lock);
477 ClassLoaderDataGraph::print_on(&ls_trace);
478 }
479 }
480
481 if (PrintBytecodeHistogram) {
482 BytecodeHistogram::print();
483 }
484
485 #ifdef LINUX
486 if (DumpPerfMapAtExit) {
487 CodeCache::write_perf_map();
488 }
489 if (PrintMemoryMapAtExit) {
490 MemMapPrinter::print_all_mappings(tty);
491 }
492 #endif
493
494 if (JvmtiExport::should_post_thread_life()) {
495 JvmtiExport::post_thread_end(thread);
496 }
497
498 // Always call even when there are not JVMTI environments yet, since environments
499 // may be attached late and JVMTI must track phases of VM execution
500 JvmtiExport::post_vm_death();
501 JvmtiAgentList::unload_agents();
502
503 // Terminate the signal thread
504 // Note: we don't wait until it actually dies.
505 os::terminate_signal_thread();
506
507 print_statistics();
508 Universe::heap()->print_tracing_info();
509
510 { MutexLocker ml(BeforeExit_lock);
511 _before_exit_status = BEFORE_EXIT_DONE;
512 BeforeExit_lock->notify_all();
513 }
514
515 if (VerifyStringTableAtExit) {
516 size_t fail_cnt = StringTable::verify_and_compare_entries();
517 if (fail_cnt != 0) {
518 tty->print_cr("ERROR: fail_cnt=" SIZE_FORMAT, fail_cnt);
519 guarantee(fail_cnt == 0, "unexpected StringTable verification failures");
520 }
521 }
522
523 #undef BEFORE_EXIT_NOT_RUN
524 #undef BEFORE_EXIT_RUNNING
525 #undef BEFORE_EXIT_DONE
526 }
|
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 "cds/cds_globals.hpp"
27 #include "cds/cdsConfig.hpp"
28 #include "cds/classListWriter.hpp"
29 #include "cds/classPreloader.hpp"
30 #include "cds/dynamicArchive.hpp"
31 #include "cds/methodProfiler.hpp"
32 #include "cds/metaspaceShared.hpp"
33 #include "classfile/classLoader.hpp"
34 #include "classfile/classLoaderDataGraph.hpp"
35 #include "classfile/javaClasses.hpp"
36 #include "classfile/stringTable.hpp"
37 #include "classfile/symbolTable.hpp"
38 #include "classfile/systemDictionary.hpp"
39 #include "code/codeCache.hpp"
40 #include "code/SCCache.hpp"
41 #include "compiler/compilationMemoryStatistic.hpp"
42 #include "compiler/compilationPolicy.hpp"
43 #include "compiler/compileBroker.hpp"
44 #include "compiler/compilerOracle.hpp"
45 #include "gc/shared/collectedHeap.hpp"
46 #include "gc/shared/stringdedup/stringDedup.hpp"
47 #include "interpreter/bytecodeHistogram.hpp"
48 #include "interpreter/interpreterRuntime.hpp"
49 #include "jfr/jfrEvents.hpp"
50 #include "jfr/support/jfrThreadId.hpp"
51 #include "jvm.h"
52 #include "logging/log.hpp"
53 #include "logging/logStream.hpp"
54 #include "memory/metaspaceUtils.hpp"
55 #include "memory/oopFactory.hpp"
56 #include "memory/resourceArea.hpp"
57 #include "memory/universe.hpp"
58 #include "nmt/memMapPrinter.hpp"
59 #include "nmt/memTracker.hpp"
60 #include "oops/constantPool.hpp"
61 #include "oops/generateOopMap.hpp"
62 #include "oops/instanceKlass.hpp"
63 #include "oops/instanceOop.hpp"
64 #include "oops/klassVtable.hpp"
65 #include "oops/method.hpp"
66 #include "oops/objArrayOop.hpp"
67 #include "oops/oop.inline.hpp"
68 #include "oops/symbol.hpp"
69 #include "oops/trainingData.hpp"
70 #include "prims/jvmtiAgentList.hpp"
71 #include "prims/jvmtiExport.hpp"
72 #include "prims/methodHandles.hpp"
73 #include "runtime/continuation.hpp"
74 #include "runtime/deoptimization.hpp"
75 #include "runtime/flags/flagSetting.hpp"
76 #include "runtime/globals_extension.hpp"
77 #include "runtime/handles.inline.hpp"
78 #include "runtime/init.hpp"
79 #include "runtime/interfaceSupport.inline.hpp"
80 #include "runtime/java.hpp"
81 #include "runtime/javaThread.hpp"
82 #include "runtime/sharedRuntime.hpp"
83 #include "runtime/statSampler.hpp"
84 #include "runtime/stubRoutines.hpp"
85 #include "runtime/task.hpp"
86 #include "runtime/threads.hpp"
87 #include "runtime/timer.hpp"
88 #include "runtime/trimNativeHeap.hpp"
89 #include "runtime/vmOperations.hpp"
90 #include "runtime/vmThread.hpp"
91 #include "runtime/vm_version.hpp"
92 #include "sanitizers/leak.hpp"
93 #include "utilities/dtrace.hpp"
94 #include "utilities/events.hpp"
95 #include "utilities/globalDefinitions.hpp"
96 #include "utilities/macros.hpp"
152
153 ss.print_cr("------------------------------------------------------------------------");
154 m->print_invocation_count(&ss);
155 ss.print_cr(" mdo size: %d bytes", m->method_data()->size_in_bytes());
156 ss.cr();
157 // Dump data on parameters if any
158 if (m->method_data() != nullptr && m->method_data()->parameters_type_data() != nullptr) {
159 ss.fill_to(2);
160 m->method_data()->parameters_type_data()->print_data_on(&ss);
161 }
162 m->print_codes_on(&ss);
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(bool use_tty) {
175 LogStreamHandle(Info, init) log;
176 if (log.is_enabled()) {
177 outputStream* out = use_tty ? tty : &log;
178 SharedRuntime::print_counters_on(out);
179 LogStreamHandle(Info, perf, class, link) log2;
180 outputStream* out2 = use_tty ? tty : &log2;
181 ClassLoader::print_counters(out2);
182 ClassPreloader::print_counters();
183 out->cr();
184 // FIXME: intermittent crashes
185 // if (CountBytecodesPerThread) {
186 // log.print_cr("Thread info:");
187 // class PrintThreadInfo : public ThreadClosure {
188 // outputStream* _st;
189 // public:
190 // PrintThreadInfo(outputStream* st) : ThreadClosure(), _st(st) {}
191 // void do_thread(Thread* thread) {
192 // JavaThread* jt = JavaThread::cast(thread);
193 // if (jt->bc_counter_value() > 0) {
194 // _st->print_cr(" Thread " INTPTR_FORMAT ": %ld bytecodes executed (clinit: %ld)",
195 // p2i(jt), /*jt->name(),*/ jt->bc_counter_value(), jt->clinit_bc_counter_value());
196 // }
197 // }
198 // };
199 // PrintThreadInfo cl(&log);
200 // Threads::java_threads_do(&cl);
201 // }
202 // log.cr();
203 out->print_cr("Deoptimization events: ");
204 Deoptimization::print_statistics_on(out);
205 out->cr();
206
207 out->print("Compilation statistics: ");
208 CompileBroker::print_statistics_on(out);
209 out->cr();
210
211 {
212 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
213 out->print("Code cache statistics: ");
214 CodeCache::print_nmethod_statistics_on(out);
215 out->cr();
216 }
217
218 if (SCCache::is_on_for_read()) {
219 out->print_cr("Startup Code Cache: ");
220 SCCache::print_statistics_on(out);
221 out->cr();
222 SCCache::print_timers_on(out);
223 }
224
225 VMThread::print_counters_on(out);
226 out->cr();
227 MutexLockerImpl::print_counters_on(out);
228 out->cr();
229 out->print("Runtime events for thread \"main\"");
230 if (ProfileRuntimeCalls) {
231 out->print_cr(" (%d nested events):", ProfileVMCallContext::nested_runtime_calls_count());
232
233 Runtime1::print_counters_on(out);
234 OptoRuntime::print_counters_on(out);
235 InterpreterRuntime::print_counters_on(out);
236 Deoptimization::print_counters_on(out);
237 } else {
238 out->print_cr(": no info (%s is disabled)", (UsePerfData ? "ProfileRuntimeCalls" : "UsePerfData"));
239 }
240 out->cr();
241 perf_jvm_print_on(out);
242 out->cr();
243 MethodHandles::print_counters_on(out);
244 }
245 }
246
247 void print_bytecode_count() {
248 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) {
249 tty->print_cr("[BytecodeCounter::counter_value = %ld]", BytecodeCounter::counter_value());
250 }
251 }
252
253 #ifndef PRODUCT
254
255 // Statistics printing (method invocation histogram)
256
257 GrowableArray<Method*>* collected_invoked_methods;
258
259 static void collect_invoked_methods(Method* m) {
260 if (m->invocation_count() + m->compiled_invocation_count() >= 1) {
261 collected_invoked_methods->push(m);
262 }
263 }
264
265
266 // Invocation count accumulators should be unsigned long to shift the
267 // overflow border. Longer-running workloads tend to create invocation
268 // counts which already overflow 32-bit counters for individual methods.
269 static void print_method_invocation_histogram() {
270 ResourceMark rm;
271 collected_invoked_methods = new GrowableArray<Method*>(1024);
272 SystemDictionary::methods_do(collect_invoked_methods);
300 if (m->is_synchronized()) synch_total += iic + cic;
301 if (m->is_native()) native_total += iic + cic;
302 if (m->is_accessor()) access_total += iic + cic;
303 }
304 tty->cr();
305 total = int_total + comp_total;
306 special_total = final_total + static_total +synch_total + native_total + access_total;
307 tty->print_cr("Invocations summary for %d methods:", collected_invoked_methods->length());
308 double total_div = (double)total;
309 tty->print_cr("\t" UINT64_FORMAT_W(12) " (100%%) total", total);
310 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- interpreted", int_total, 100.0 * (double)int_total / total_div);
311 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- compiled", comp_total, 100.0 * (double)comp_total / total_div);
312 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- special methods (interpreted and compiled)",
313 special_total, 100.0 * (double)special_total/ total_div);
314 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- synchronized",synch_total, 100.0 * (double)synch_total / total_div);
315 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- final", final_total, 100.0 * (double)final_total / total_div);
316 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- static", static_total, 100.0 * (double)static_total / total_div);
317 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- native", native_total, 100.0 * (double)native_total / total_div);
318 tty->print_cr("\t" UINT64_FORMAT_W(12) " (%4.1f%%) |- accessor", access_total, 100.0 * (double)access_total / total_div);
319 tty->cr();
320 SharedRuntime::print_call_statistics_on(tty);
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 (ReplayTraining && PrintTrainingInfo) {
333 TrainingData::print_archived_training_data_on(tty);
334 }
335 if (CITime) {
336 CompileBroker::print_times();
337 }
338
339 #ifdef COMPILER1
340 if ((PrintC1Statistics || LogVMOutput || LogCompilation) && UseCompiler) {
341 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintC1Statistics);
342 Runtime1::print_statistics_on(tty);
343 SharedRuntime::print_statistics();
344 }
345 #endif /* COMPILER1 */
346
347 #ifdef COMPILER2
348 if ((PrintOptoStatistics || LogVMOutput || LogCompilation) && UseCompiler) {
349 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintOptoStatistics);
350 Compile::print_statistics();
351 Deoptimization::print_statistics();
352 #ifndef COMPILER1
353 SharedRuntime::print_statistics();
354 #endif //COMPILER1
355 }
356
357 if (PrintLockStatistics) {
358 OptoRuntime::print_named_counters();
359 }
360 #ifdef ASSERT
361 if (CollectIndexSetStatistics) {
362 IndexSet::print_statistics();
389 if (PrintSymbolTableSizeHistogram) {
390 SymbolTable::print_histogram();
391 }
392 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) {
393 BytecodeCounter::print();
394 }
395 if (PrintBytecodePairHistogram) {
396 BytecodePairHistogram::print();
397 }
398
399 if (PrintCodeCache) {
400 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
401 CodeCache::print();
402 }
403
404 // CodeHeap State Analytics.
405 if (PrintCodeHeapAnalytics) {
406 CompileBroker::print_heapinfo(nullptr, "all", 4096); // details
407 }
408
409 LogStreamHandle(Debug, codecache, nmethod) log;
410 if (log.is_enabled()) {
411 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
412 CodeCache::print_nmethods_on(&log);
413 }
414
415 #ifndef PRODUCT
416 if (PrintCodeCache2) {
417 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
418 CodeCache::print_internals();
419 }
420 #endif
421
422 if (VerifyOops && Verbose) {
423 tty->print_cr("+VerifyOops count: %d", StubRoutines::verify_oop_count());
424 }
425
426 print_bytecode_count();
427
428 if (PrintSystemDictionaryAtExit) {
429 ResourceMark rm;
430 MutexLocker mcld(ClassLoaderDataGraph_lock);
431 SystemDictionary::print();
432 }
433
434 if (PrintClassLoaderDataGraphAtExit) {
435 ResourceMark rm;
436 MutexLocker mcld(ClassLoaderDataGraph_lock);
437 ClassLoaderDataGraph::print();
438 }
439
440 // Native memory tracking data
441 if (PrintNMTStatistics) {
442 MemTracker::final_report(tty);
443 }
444
445 if (PrintMetaspaceStatisticsAtExit) {
446 MetaspaceUtils::print_basic_report(tty, 0);
447 }
448
449 if (CompilerOracle::should_print_final_memstat_report()) {
450 CompilationMemoryStatistic::print_all_by_size(tty, false, 0);
451 }
452
453 ThreadsSMRSupport::log_statistics();
454
455 log_vm_init_stats(true /* use_tty */);
456 }
457
458 // Note: before_exit() can be executed only once, if more than one threads
459 // are trying to shutdown the VM at the same time, only one thread
460 // can run before_exit() and all other threads must wait.
461 void before_exit(JavaThread* thread, bool halt) {
462 #define BEFORE_EXIT_NOT_RUN 0
463 #define BEFORE_EXIT_RUNNING 1
464 #define BEFORE_EXIT_DONE 2
465 static jint volatile _before_exit_status = BEFORE_EXIT_NOT_RUN;
466
467 Events::log(thread, "Before exit entered");
468
469 // Note: don't use a Mutex to guard the entire before_exit(), as
470 // JVMTI post_thread_end_event and post_vm_death_event will run native code.
471 // A CAS or OSMutex would work just fine but then we need to manipulate
472 // thread state for Safepoint. Here we use Monitor wait() and notify_all()
473 // for synchronization.
474 { MonitorLocker ml(BeforeExit_lock);
475 switch (_before_exit_status) {
495 // this thread finishes before_exit().
496
497 // Do not add any additional shutdown logic between the above mutex logic and
498 // leak sanitizer logic below. Any additional shutdown code which performs some
499 // cleanup should be added after the leak sanitizer logic below.
500
501 #ifdef LEAK_SANITIZER
502 // If we are built with LSan, we need to perform leak checking. If we are
503 // terminating normally, not halting and no VM error, we perform a normal
504 // leak check which terminates if leaks are found. If we are not terminating
505 // normally, halting or VM error, we perform a recoverable leak check which
506 // prints leaks but will not terminate.
507 if (!halt && !VMError::is_error_reported()) {
508 LSAN_DO_LEAK_CHECK();
509 } else {
510 // Ignore the return value.
511 static_cast<void>(LSAN_DO_RECOVERABLE_LEAK_CHECK());
512 }
513 #endif
514
515 MethodProfiler::process_method_hotness();
516
517 // Actual shutdown logic begins here.
518
519 #if INCLUDE_JVMCI
520 if (EnableJVMCI) {
521 JVMCI::shutdown(thread);
522 }
523 #endif
524
525 #if INCLUDE_CDS
526 ClassListWriter::write_resolved_constants();
527 ClassListWriter::write_reflection_data();
528 ClassListWriter::write_loader_negative_lookup_cache();
529 // Dynamic CDS dumping must happen whilst we can still reliably
530 // run Java code.
531 if (CDSConfig::is_dumping_preimage_static_archive()) {
532 // Creating the hotspot.cds.preimage file
533 MetaspaceShared::preload_and_dump(thread);
534 } else {
535 DynamicArchive::dump_at_exit(thread, ArchiveClassesAtExit);
536 }
537 assert(!thread->has_pending_exception(), "must be");
538 #endif
539
540 SCCache::close(); // Write final data and close archive
541
542 // Hang forever on exit if we're reporting an error.
543 if (ShowMessageBoxOnError && VMError::is_error_reported()) {
544 os::infinite_sleep();
545 }
546
547 EventThreadEnd event;
548 if (event.should_commit()) {
549 event.set_thread(JFR_JVM_THREAD_ID(thread));
550 event.commit();
551 }
552
553 JFR_ONLY(Jfr::on_vm_shutdown(false, halt);)
554
555 // Stop the WatcherThread. We do this before disenrolling various
556 // PeriodicTasks to reduce the likelihood of races.
557 WatcherThread::stop();
558
559 // shut down the StatSampler task
560 StatSampler::disengage();
561 StatSampler::destroy();
562
563 NativeHeapTrimmer::cleanup();
564
565 // Stop concurrent GC threads
566 Universe::heap()->stop();
567
568 // Print GC/heap related information.
569 Log(gc, heap, exit) log;
570 if (log.is_info()) {
571 ResourceMark rm;
572 LogStream ls_info(log.info());
573 Universe::print_on(&ls_info);
574 if (log.is_trace()) {
575 LogStream ls_trace(log.trace());
576 MutexLocker mcld(ClassLoaderDataGraph_lock);
577 ClassLoaderDataGraph::print_on(&ls_trace);
578 }
579 }
580
581 if (PrintBytecodeHistogram) {
582 BytecodeHistogram::print(PrintBytecodeHistogramCutoff);
583 }
584
585 #ifdef LINUX
586 if (DumpPerfMapAtExit) {
587 CodeCache::write_perf_map();
588 }
589 if (PrintMemoryMapAtExit) {
590 MemMapPrinter::print_all_mappings(tty);
591 }
592 #endif
593
594 if (JvmtiExport::should_post_thread_life()) {
595 JvmtiExport::post_thread_end(thread);
596 }
597
598 // Always call even when there are not JVMTI environments yet, since environments
599 // may be attached late and JVMTI must track phases of VM execution
600 JvmtiExport::post_vm_death();
601 JvmtiAgentList::unload_agents();
602
603 // Terminate the signal thread
604 // Note: we don't wait until it actually dies.
605 os::terminate_signal_thread();
606
607 if (VerifyTrainingData) {
608 EXCEPTION_MARK;
609 CompilationPolicy::replay_training_at_init(true, THREAD); // implies TrainingData::verify()
610 }
611
612 print_statistics();
613 Universe::heap()->print_tracing_info();
614
615 { MutexLocker ml(BeforeExit_lock);
616 _before_exit_status = BEFORE_EXIT_DONE;
617 BeforeExit_lock->notify_all();
618 }
619
620 if (VerifyStringTableAtExit) {
621 size_t fail_cnt = StringTable::verify_and_compare_entries();
622 if (fail_cnt != 0) {
623 tty->print_cr("ERROR: fail_cnt=" SIZE_FORMAT, fail_cnt);
624 guarantee(fail_cnt == 0, "unexpected StringTable verification failures");
625 }
626 }
627
628 #undef BEFORE_EXIT_NOT_RUN
629 #undef BEFORE_EXIT_RUNNING
630 #undef BEFORE_EXIT_DONE
631 }
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