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annotate hotspot/src/share/vm/runtime/java.cpp @ 46589:f1c04490ded1

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8182848: Some functions misplaced in debug.hpp Summary: moved to vmError.hpp,cpp where they seemed more appropriate Reviewed-by: stefank, stuefe
author coleenp
date Wed, 28 Jun 2017 19:12:58 -0400
parents 388aa8d67c80
children cc4ac8d1ef6b
rev   line source
duke@1 1 /*
coleenp@46271 2 * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
duke@1 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1 4 *
duke@1 5 * This code is free software; you can redistribute it and/or modify it
duke@1 6 * under the terms of the GNU General Public License version 2 only, as
duke@1 7 * published by the Free Software Foundation.
duke@1 8 *
duke@1 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@1 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@1 13 * accompanied this code).
duke@1 14 *
duke@1 15 * You should have received a copy of the GNU General Public License version
duke@1 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@1 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1 18 *
trims@5547 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@5547 20 * or visit www.oracle.com if you need additional information or have any
trims@5547 21 * questions.
duke@1 22 *
duke@1 23 */
duke@1 24
stefank@7397 25 #include "precompiled.hpp"
kvn@42650 26 #include "aot/aotLoader.hpp"
stefank@7397 27 #include "classfile/classLoader.hpp"
gziemski@24426 28 #include "classfile/stringTable.hpp"
stefank@7397 29 #include "classfile/systemDictionary.hpp"
stefank@7397 30 #include "code/codeCache.hpp"
stefank@7397 31 #include "compiler/compileBroker.hpp"
stefank@7397 32 #include "compiler/compilerOracle.hpp"
pliden@30764 33 #include "gc/shared/genCollectedHeap.hpp"
stefank@7397 34 #include "interpreter/bytecodeHistogram.hpp"
twisti@33160 35 #if INCLUDE_JVMCI
twisti@33160 36 #include "jvmci/jvmciCompiler.hpp"
twisti@33160 37 #include "jvmci/jvmciRuntime.hpp"
twisti@33160 38 #endif
brutisso@35061 39 #include "logging/log.hpp"
stefank@7397 40 #include "memory/oopFactory.hpp"
jprovino@37248 41 #include "memory/resourceArea.hpp"
stefank@7397 42 #include "memory/universe.hpp"
coleenp@13728 43 #include "oops/constantPool.hpp"
stefank@7397 44 #include "oops/generateOopMap.hpp"
stefank@7397 45 #include "oops/instanceKlass.hpp"
stefank@7397 46 #include "oops/instanceOop.hpp"
coleenp@13728 47 #include "oops/method.hpp"
stefank@7397 48 #include "oops/objArrayOop.hpp"
stefank@7397 49 #include "oops/oop.inline.hpp"
coleenp@8076 50 #include "oops/symbol.hpp"
kbarrett@46560 51 #include "prims/jvm.h"
stefank@7397 52 #include "prims/jvmtiExport.hpp"
stefank@7397 53 #include "runtime/arguments.hpp"
stefank@7397 54 #include "runtime/biasedLocking.hpp"
stefank@7397 55 #include "runtime/compilationPolicy.hpp"
coleenp@34230 56 #include "runtime/deoptimization.hpp"
stefank@7397 57 #include "runtime/fprofiler.hpp"
stefank@7397 58 #include "runtime/init.hpp"
stefank@7397 59 #include "runtime/interfaceSupport.hpp"
stefank@7397 60 #include "runtime/java.hpp"
stefank@7397 61 #include "runtime/memprofiler.hpp"
stefank@7397 62 #include "runtime/sharedRuntime.hpp"
stefank@7397 63 #include "runtime/statSampler.hpp"
anoll@22210 64 #include "runtime/sweeper.hpp"
stefank@7397 65 #include "runtime/task.hpp"
stefank@14583 66 #include "runtime/thread.inline.hpp"
stefank@7397 67 #include "runtime/timer.hpp"
stefank@7397 68 #include "runtime/vm_operations.hpp"
zgu@13861 69 #include "services/memTracker.hpp"
mgronlun@36384 70 #include "trace/traceMacros.hpp"
phh@11480 71 #include "trace/tracing.hpp"
stefank@7397 72 #include "utilities/dtrace.hpp"
stefank@7397 73 #include "utilities/globalDefinitions.hpp"
stefank@7397 74 #include "utilities/histogram.hpp"
jprovino@15482 75 #include "utilities/macros.hpp"
stefank@7397 76 #include "utilities/vmError.hpp"
jprovino@15482 77 #if INCLUDE_ALL_GCS
pliden@30764 78 #include "gc/cms/concurrentMarkSweepThread.hpp"
pliden@30764 79 #include "gc/parallel/psScavenge.hpp"
jprovino@15482 80 #endif // INCLUDE_ALL_GCS
stefank@7397 81 #ifdef COMPILER1
stefank@7397 82 #include "c1/c1_Compiler.hpp"
stefank@7397 83 #include "c1/c1_Runtime1.hpp"
stefank@7397 84 #endif
stefank@7397 85 #ifdef COMPILER2
stefank@7397 86 #include "code/compiledIC.hpp"
stefank@7397 87 #include "compiler/methodLiveness.hpp"
stefank@7397 88 #include "opto/compile.hpp"
stefank@7397 89 #include "opto/indexSet.hpp"
stefank@7397 90 #include "opto/runtime.hpp"
stefank@7397 91 #endif
duke@1 92
roland@23526 93 GrowableArray<Method*>* collected_profiled_methods;
duke@1 94
roland@23526 95 int compare_methods(Method** a, Method** b) {
roland@23526 96 // %%% there can be 32-bit overflow here
roland@23526 97 return ((*b)->invocation_count() + (*b)->compiled_invocation_count())
roland@23526 98 - ((*a)->invocation_count() + (*a)->compiled_invocation_count());
duke@1 99 }
duke@1 100
coleenp@13728 101 void collect_profiled_methods(Method* m) {
coleenp@13728 102 Thread* thread = Thread::current();
coleenp@13728 103 methodHandle mh(thread, m);
duke@1 104 if ((m->method_data() != NULL) &&
duke@1 105 (PrintMethodData || CompilerOracle::should_print(mh))) {
duke@1 106 collected_profiled_methods->push(m);
duke@1 107 }
duke@1 108 }
duke@1 109
roland@23526 110 void print_method_profiling_data() {
coleenp@24658 111 if (ProfileInterpreter COMPILER1_PRESENT(|| C1UpdateMethodData) &&
coleenp@24658 112 (PrintMethodData || CompilerOracle::should_print_methods())) {
roland@23526 113 ResourceMark rm;
roland@23526 114 HandleMark hm;
roland@23526 115 collected_profiled_methods = new GrowableArray<Method*>(1024);
coleenp@46380 116 SystemDictionary::methods_do(collect_profiled_methods);
roland@23526 117 collected_profiled_methods->sort(&compare_methods);
duke@1 118
roland@23526 119 int count = collected_profiled_methods->length();
roland@23526 120 int total_size = 0;
roland@23526 121 if (count > 0) {
roland@23526 122 for (int index = 0; index < count; index++) {
roland@23526 123 Method* m = collected_profiled_methods->at(index);
roland@23526 124 ttyLocker ttyl;
roland@23526 125 tty->print_cr("------------------------------------------------------------------------");
roland@23526 126 m->print_invocation_count();
roland@23526 127 tty->print_cr(" mdo size: %d bytes", m->method_data()->size_in_bytes());
roland@23526 128 tty->cr();
roland@23526 129 // Dump data on parameters if any
roland@23526 130 if (m->method_data() != NULL && m->method_data()->parameters_type_data() != NULL) {
roland@23526 131 tty->fill_to(2);
roland@23526 132 m->method_data()->parameters_type_data()->print_data_on(tty);
roland@23526 133 }
roland@23526 134 m->print_codes();
roland@23526 135 total_size += m->method_data()->size_in_bytes();
roland@23526 136 }
roland@23526 137 tty->print_cr("------------------------------------------------------------------------");
roland@23526 138 tty->print_cr("Total MDO size: %d bytes", total_size);
roland@23526 139 }
roland@23526 140 }
duke@1 141 }
duke@1 142
duke@1 143
roland@23526 144 #ifndef PRODUCT
roland@23526 145
roland@23526 146 // Statistics printing (method invocation histogram)
roland@23526 147
roland@23526 148 GrowableArray<Method*>* collected_invoked_methods;
roland@23526 149
roland@23526 150 void collect_invoked_methods(Method* m) {
roland@23526 151 if (m->invocation_count() + m->compiled_invocation_count() >= 1 ) {
roland@23526 152 collected_invoked_methods->push(m);
roland@23526 153 }
roland@23526 154 }
roland@23526 155
roland@23526 156
roland@23526 157
roland@23526 158
duke@1 159 void print_method_invocation_histogram() {
duke@1 160 ResourceMark rm;
duke@1 161 HandleMark hm;
coleenp@13728 162 collected_invoked_methods = new GrowableArray<Method*>(1024);
duke@1 163 SystemDictionary::methods_do(collect_invoked_methods);
duke@1 164 collected_invoked_methods->sort(&compare_methods);
duke@1 165 //
duke@1 166 tty->cr();
coleenp@46380 167 tty->print_cr("Histogram Over Method Invocation Counters (cutoff = " INTX_FORMAT "):", MethodHistogramCutoff);
duke@1 168 tty->cr();
duke@1 169 tty->print_cr("____Count_(I+C)____Method________________________Module_________________");
duke@1 170 unsigned total = 0, int_total = 0, comp_total = 0, static_total = 0, final_total = 0,
duke@1 171 synch_total = 0, nativ_total = 0, acces_total = 0;
duke@1 172 for (int index = 0; index < collected_invoked_methods->length(); index++) {
coleenp@13728 173 Method* m = collected_invoked_methods->at(index);
duke@1 174 int c = m->invocation_count() + m->compiled_invocation_count();
duke@1 175 if (c >= MethodHistogramCutoff) m->print_invocation_count();
duke@1 176 int_total += m->invocation_count();
duke@1 177 comp_total += m->compiled_invocation_count();
duke@1 178 if (m->is_final()) final_total += c;
duke@1 179 if (m->is_static()) static_total += c;
duke@1 180 if (m->is_synchronized()) synch_total += c;
duke@1 181 if (m->is_native()) nativ_total += c;
duke@1 182 if (m->is_accessor()) acces_total += c;
duke@1 183 }
duke@1 184 tty->cr();
duke@1 185 total = int_total + comp_total;
duke@1 186 tty->print_cr("Invocations summary:");
duke@1 187 tty->print_cr("\t%9d (%4.1f%%) interpreted", int_total, 100.0 * int_total / total);
duke@1 188 tty->print_cr("\t%9d (%4.1f%%) compiled", comp_total, 100.0 * comp_total / total);
duke@1 189 tty->print_cr("\t%9d (100%%) total", total);
duke@1 190 tty->print_cr("\t%9d (%4.1f%%) synchronized", synch_total, 100.0 * synch_total / total);
duke@1 191 tty->print_cr("\t%9d (%4.1f%%) final", final_total, 100.0 * final_total / total);
duke@1 192 tty->print_cr("\t%9d (%4.1f%%) static", static_total, 100.0 * static_total / total);
duke@1 193 tty->print_cr("\t%9d (%4.1f%%) native", nativ_total, 100.0 * nativ_total / total);
duke@1 194 tty->print_cr("\t%9d (%4.1f%%) accessor", acces_total, 100.0 * acces_total / total);
duke@1 195 tty->cr();
duke@1 196 SharedRuntime::print_call_statistics(comp_total);
duke@1 197 }
duke@1 198
duke@1 199 void print_bytecode_count() {
duke@1 200 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) {
duke@1 201 tty->print_cr("[BytecodeCounter::counter_value = %d]", BytecodeCounter::counter_value());
duke@1 202 }
duke@1 203 }
duke@1 204
duke@1 205 AllocStats alloc_stats;
duke@1 206
duke@1 207
duke@1 208
duke@1 209 // General statistics printing (profiling ...)
duke@1 210 void print_statistics() {
duke@1 211 #ifdef ASSERT
duke@1 212
duke@1 213 if (CountRuntimeCalls) {
duke@1 214 extern Histogram *RuntimeHistogram;
duke@1 215 RuntimeHistogram->print();
duke@1 216 }
duke@1 217
duke@1 218 if (CountJNICalls) {
duke@1 219 extern Histogram *JNIHistogram;
duke@1 220 JNIHistogram->print();
duke@1 221 }
duke@1 222
duke@1 223 if (CountJVMCalls) {
duke@1 224 extern Histogram *JVMHistogram;
duke@1 225 JVMHistogram->print();
duke@1 226 }
duke@1 227
duke@1 228 #endif
duke@1 229
duke@1 230 if (MemProfiling) {
duke@1 231 MemProfiler::disengage();
duke@1 232 }
duke@1 233
duke@1 234 if (CITime) {
duke@1 235 CompileBroker::print_times();
duke@1 236 }
duke@1 237
duke@1 238 #ifdef COMPILER1
duke@1 239 if ((PrintC1Statistics || LogVMOutput || LogCompilation) && UseCompiler) {
duke@1 240 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintC1Statistics);
duke@1 241 Runtime1::print_statistics();
duke@1 242 Deoptimization::print_statistics();
never@10254 243 SharedRuntime::print_statistics();
duke@1 244 }
duke@1 245 #endif /* COMPILER1 */
duke@1 246
duke@1 247 #ifdef COMPILER2
duke@1 248 if ((PrintOptoStatistics || LogVMOutput || LogCompilation) && UseCompiler) {
duke@1 249 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintOptoStatistics);
duke@1 250 Compile::print_statistics();
duke@1 251 #ifndef COMPILER1
duke@1 252 Deoptimization::print_statistics();
never@10254 253 SharedRuntime::print_statistics();
duke@1 254 #endif //COMPILER1
duke@1 255 os::print_statistics();
duke@1 256 }
duke@1 257
kvn@23491 258 if (PrintLockStatistics || PrintPreciseBiasedLockingStatistics || PrintPreciseRTMLockingStatistics) {
duke@1 259 OptoRuntime::print_named_counters();
duke@1 260 }
duke@1 261
duke@1 262 if (TimeLivenessAnalysis) {
duke@1 263 MethodLiveness::print_times();
duke@1 264 }
duke@1 265 #ifdef ASSERT
duke@1 266 if (CollectIndexSetStatistics) {
duke@1 267 IndexSet::print_statistics();
duke@1 268 }
duke@1 269 #endif // ASSERT
twisti@33160 270 #else
twisti@33160 271 #ifdef INCLUDE_JVMCI
twisti@33160 272 #ifndef COMPILER1
twisti@33160 273 if ((TraceDeoptimization || LogVMOutput || LogCompilation) && UseCompiler) {
twisti@33160 274 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && TraceDeoptimization);
twisti@33160 275 Deoptimization::print_statistics();
twisti@33160 276 SharedRuntime::print_statistics();
twisti@33160 277 }
twisti@33160 278 #endif
twisti@33160 279 #endif
twisti@33160 280 #endif
twisti@33160 281
kvn@42650 282 if (PrintAOTStatistics) {
kvn@42650 283 AOTLoader::print_statistics();
kvn@42650 284 }
kvn@42650 285
twisti@33160 286 if (PrintNMethodStatistics) {
twisti@33160 287 nmethod::print_statistics();
twisti@33160 288 }
duke@1 289 if (CountCompiledCalls) {
duke@1 290 print_method_invocation_histogram();
duke@1 291 }
roland@23526 292
roland@23526 293 print_method_profiling_data();
roland@23526 294
duke@1 295 if (TimeCompilationPolicy) {
duke@1 296 CompilationPolicy::policy()->print_time();
duke@1 297 }
duke@1 298 if (TimeOopMap) {
duke@1 299 GenerateOopMap::print_time();
duke@1 300 }
duke@1 301 if (ProfilerCheckIntervals) {
duke@1 302 PeriodicTask::print_intervals();
duke@1 303 }
duke@1 304 if (PrintSymbolTableSizeHistogram) {
duke@1 305 SymbolTable::print_histogram();
duke@1 306 }
duke@1 307 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) {
duke@1 308 BytecodeCounter::print();
duke@1 309 }
duke@1 310 if (PrintBytecodePairHistogram) {
duke@1 311 BytecodePairHistogram::print();
duke@1 312 }
duke@1 313
duke@1 314 if (PrintCodeCache) {
duke@1 315 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
duke@1 316 CodeCache::print();
duke@1 317 }
duke@1 318
anoll@22210 319 if (PrintMethodFlushingStatistics) {
anoll@22210 320 NMethodSweeper::print();
anoll@22210 321 }
anoll@22210 322
duke@1 323 if (PrintCodeCache2) {
duke@1 324 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
duke@1 325 CodeCache::print_internals();
duke@1 326 }
duke@1 327
duke@1 328 if (PrintVtableStats) {
duke@1 329 klassVtable::print_statistics();
duke@1 330 klassItable::print_statistics();
duke@1 331 }
duke@1 332 if (VerifyOops) {
duke@1 333 tty->print_cr("+VerifyOops count: %d", StubRoutines::verify_oop_count());
duke@1 334 }
duke@1 335
duke@1 336 print_bytecode_count();
kvn@8320 337 if (PrintMallocStatistics) {
duke@1 338 tty->print("allocation stats: ");
duke@1 339 alloc_stats.print();
duke@1 340 tty->cr();
duke@1 341 }
duke@1 342
duke@1 343 if (PrintSystemDictionaryAtExit) {
duke@1 344 SystemDictionary::print();
duke@1 345 }
duke@1 346
minqi@31790 347 if (LogTouchedMethods && PrintTouchedMethodsAtExit) {
minqi@31790 348 Method::print_touched_methods(tty);
minqi@31790 349 }
minqi@31790 350
duke@1 351 if (PrintBiasedLockingStatistics) {
duke@1 352 BiasedLocking::print_counters();
duke@1 353 }
duke@1 354
zgu@13861 355 // Native memory tracking data
zgu@13861 356 if (PrintNMTStatistics) {
zgu@25946 357 MemTracker::final_report(tty);
zgu@13861 358 }
duke@1 359 }
duke@1 360
duke@1 361 #else // PRODUCT MODE STATISTICS
duke@1 362
duke@1 363 void print_statistics() {
duke@1 364
roland@23526 365 if (PrintMethodData) {
roland@23526 366 print_method_profiling_data();
roland@23526 367 }
roland@23526 368
duke@1 369 if (CITime) {
duke@1 370 CompileBroker::print_times();
duke@1 371 }
vladidan@15201 372
vladidan@15201 373 if (PrintCodeCache) {
vladidan@15201 374 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
vladidan@15201 375 CodeCache::print();
vladidan@15201 376 }
vladidan@15201 377
anoll@22210 378 if (PrintMethodFlushingStatistics) {
anoll@22210 379 NMethodSweeper::print();
anoll@22210 380 }
anoll@22210 381
duke@1 382 #ifdef COMPILER2
kvn@23491 383 if (PrintPreciseBiasedLockingStatistics || PrintPreciseRTMLockingStatistics) {
duke@1 384 OptoRuntime::print_named_counters();
duke@1 385 }
duke@1 386 #endif
duke@1 387 if (PrintBiasedLockingStatistics) {
duke@1 388 BiasedLocking::print_counters();
duke@1 389 }
zgu@13861 390
zgu@13861 391 // Native memory tracking data
zgu@13861 392 if (PrintNMTStatistics) {
zgu@25946 393 MemTracker::final_report(tty);
zgu@13861 394 }
minqi@31790 395
minqi@31790 396 if (LogTouchedMethods && PrintTouchedMethodsAtExit) {
minqi@31790 397 Method::print_touched_methods(tty);
minqi@31790 398 }
duke@1 399 }
duke@1 400
duke@1 401 #endif
duke@1 402
duke@1 403 // Note: before_exit() can be executed only once, if more than one threads
duke@1 404 // are trying to shutdown the VM at the same time, only one thread
duke@1 405 // can run before_exit() and all other threads must wait.
twisti@35143 406 void before_exit(JavaThread* thread) {
duke@1 407 #define BEFORE_EXIT_NOT_RUN 0
duke@1 408 #define BEFORE_EXIT_RUNNING 1
duke@1 409 #define BEFORE_EXIT_DONE 2
duke@1 410 static jint volatile _before_exit_status = BEFORE_EXIT_NOT_RUN;
duke@1 411
duke@1 412 // Note: don't use a Mutex to guard the entire before_exit(), as
duke@1 413 // JVMTI post_thread_end_event and post_vm_death_event will run native code.
duke@1 414 // A CAS or OSMutex would work just fine but then we need to manipulate
duke@1 415 // thread state for Safepoint. Here we use Monitor wait() and notify_all()
duke@1 416 // for synchronization.
duke@1 417 { MutexLocker ml(BeforeExit_lock);
duke@1 418 switch (_before_exit_status) {
duke@1 419 case BEFORE_EXIT_NOT_RUN:
duke@1 420 _before_exit_status = BEFORE_EXIT_RUNNING;
duke@1 421 break;
duke@1 422 case BEFORE_EXIT_RUNNING:
duke@1 423 while (_before_exit_status == BEFORE_EXIT_RUNNING) {
duke@1 424 BeforeExit_lock->wait();
duke@1 425 }
duke@1 426 assert(_before_exit_status == BEFORE_EXIT_DONE, "invalid state");
duke@1 427 return;
duke@1 428 case BEFORE_EXIT_DONE:
dholmes@35914 429 // need block to avoid SS compiler bug
dholmes@35914 430 {
dholmes@35914 431 return;
dholmes@35914 432 }
duke@1 433 }
duke@1 434 }
duke@1 435
twisti@33160 436 #if INCLUDE_JVMCI
twisti@35143 437 // We are not using CATCH here because we want the exit to continue normally.
twisti@35143 438 Thread* THREAD = thread;
twisti@35143 439 JVMCIRuntime::shutdown(THREAD);
twisti@35143 440 if (HAS_PENDING_EXCEPTION) {
kvn@46553 441 HandleMark hm(THREAD);
twisti@35143 442 Handle exception(THREAD, PENDING_EXCEPTION);
twisti@35143 443 CLEAR_PENDING_EXCEPTION;
twisti@35557 444 java_lang_Throwable::java_printStackTrace(exception, THREAD);
twisti@35143 445 }
twisti@33160 446 #endif
twisti@33160 447
duke@1 448 // Hang forever on exit if we're reporting an error.
coleenp@46589 449 if (ShowMessageBoxOnError && VMError::is_error_reported()) {
duke@1 450 os::infinite_sleep();
duke@1 451 }
duke@1 452
mgronlun@39274 453 EventThreadEnd event;
mgronlun@39274 454 if (event.should_commit()) {
mgronlun@39274 455 event.set_thread(THREAD_TRACE_ID(thread));
mgronlun@39274 456 event.commit();
mgronlun@39274 457 }
mgronlun@39274 458
mgronlun@39274 459 TRACE_VM_EXIT();
mgronlun@39274 460
dcubed@29321 461 // Stop the WatcherThread. We do this before disenrolling various
dcubed@29321 462 // PeriodicTasks to reduce the likelihood of races.
dcubed@29321 463 if (PeriodicTask::num_tasks() > 0) {
bobv@6176 464 WatcherThread::stop();
dcubed@29321 465 }
duke@1 466
duke@1 467 // Print statistics gathered (profiling ...)
duke@1 468 if (Arguments::has_profile()) {
duke@1 469 FlatProfiler::disengage();
duke@1 470 FlatProfiler::print(10);
duke@1 471 }
duke@1 472
duke@1 473 // shut down the StatSampler task
duke@1 474 StatSampler::disengage();
duke@1 475 StatSampler::destroy();
duke@1 476
pliden@25070 477 // Stop concurrent GC threads
pliden@25070 478 Universe::heap()->stop();
duke@1 479
duke@1 480 // Print GC/heap related information.
stefank@37242 481 Log(gc, heap, exit) log;
brutisso@35061 482 if (log.is_info()) {
brutisso@35061 483 ResourceMark rm;
brutisso@35061 484 Universe::print_on(log.info_stream());
brutisso@35061 485 if (log.is_trace()) {
brutisso@35061 486 ClassLoaderDataGraph::dump_on(log.trace_stream());
coleenp@13728 487 }
duke@1 488 }
brutisso@35061 489 AdaptiveSizePolicyOutput::print();
duke@1 490
duke@1 491 if (PrintBytecodeHistogram) {
duke@1 492 BytecodeHistogram::print();
duke@1 493 }
duke@1 494
duke@1 495 if (JvmtiExport::should_post_thread_life()) {
duke@1 496 JvmtiExport::post_thread_end(thread);
duke@1 497 }
phh@11480 498
duke@1 499 // Always call even when there are not JVMTI environments yet, since environments
duke@1 500 // may be attached late and JVMTI must track phases of VM execution
duke@1 501 JvmtiExport::post_vm_death();
duke@1 502 Threads::shutdown_vm_agents();
duke@1 503
duke@1 504 // Terminate the signal thread
duke@1 505 // Note: we don't wait until it actually dies.
duke@1 506 os::terminate_signal_thread();
duke@1 507
duke@1 508 print_statistics();
duke@1 509 Universe::heap()->print_tracing_info();
duke@1 510
duke@1 511 { MutexLocker ml(BeforeExit_lock);
duke@1 512 _before_exit_status = BEFORE_EXIT_DONE;
duke@1 513 BeforeExit_lock->notify_all();
duke@1 514 }
duke@1 515
dcubed@20053 516 if (VerifyStringTableAtExit) {
dcubed@20053 517 int fail_cnt = 0;
dcubed@20053 518 {
dcubed@20053 519 MutexLocker ml(StringTable_lock);
dcubed@20053 520 fail_cnt = StringTable::verify_and_compare_entries();
dcubed@20053 521 }
dcubed@20053 522
dcubed@20053 523 if (fail_cnt != 0) {
dcubed@20053 524 tty->print_cr("ERROR: fail_cnt=%d", fail_cnt);
dcubed@20053 525 guarantee(fail_cnt == 0, "unexpected StringTable verification failures");
dcubed@20053 526 }
dcubed@20053 527 }
dcubed@20053 528
duke@1 529 #undef BEFORE_EXIT_NOT_RUN
duke@1 530 #undef BEFORE_EXIT_RUNNING
duke@1 531 #undef BEFORE_EXIT_DONE
duke@1 532 }
duke@1 533
duke@1 534 void vm_exit(int code) {
dholmes@34633 535 Thread* thread =
dholmes@34633 536 ThreadLocalStorage::is_initialized() ? Thread::current_or_null() : NULL;
duke@1 537 if (thread == NULL) {
dholmes@34633 538 // very early initialization failure -- just exit
duke@1 539 vm_direct_exit(code);
duke@1 540 }
duke@1 541
duke@1 542 if (VMThread::vm_thread() != NULL) {
duke@1 543 // Fire off a VM_Exit operation to bring VM to a safepoint and exit
duke@1 544 VM_Exit op(code);
duke@1 545 if (thread->is_Java_thread())
duke@1 546 ((JavaThread*)thread)->set_thread_state(_thread_in_vm);
duke@1 547 VMThread::execute(&op);
duke@1 548 // should never reach here; but in case something wrong with VM Thread.
duke@1 549 vm_direct_exit(code);
duke@1 550 } else {
duke@1 551 // VM thread is gone, just exit
duke@1 552 vm_direct_exit(code);
duke@1 553 }
duke@1 554 ShouldNotReachHere();
duke@1 555 }
duke@1 556
duke@1 557 void notify_vm_shutdown() {
duke@1 558 // For now, just a dtrace probe.
dcubed@10739 559 HOTSPOT_VM_SHUTDOWN();
sla@22520 560 HS_DTRACE_WORKAROUND_TAIL_CALL_BUG();
duke@1 561 }
duke@1 562
duke@1 563 void vm_direct_exit(int code) {
duke@1 564 notify_vm_shutdown();
sla@8476 565 os::wait_for_keypress_at_exit();
igerasim@26682 566 os::exit(code);
duke@1 567 }
duke@1 568
duke@1 569 void vm_perform_shutdown_actions() {
duke@1 570 // Warning: do not call 'exit_globals()' here. All threads are still running.
duke@1 571 // Calling 'exit_globals()' will disable thread-local-storage and cause all
duke@1 572 // kinds of assertions to trigger in debug mode.
duke@1 573 if (is_init_completed()) {
dholmes@34633 574 Thread* thread = Thread::current_or_null();
coleenp@7720 575 if (thread != NULL && thread->is_Java_thread()) {
duke@1 576 // We are leaving the VM, set state to native (in case any OS exit
duke@1 577 // handlers call back to the VM)
duke@1 578 JavaThread* jt = (JavaThread*)thread;
duke@1 579 // Must always be walkable or have no last_Java_frame when in
duke@1 580 // thread_in_native
duke@1 581 jt->frame_anchor()->make_walkable(jt);
duke@1 582 jt->set_thread_state(_thread_in_native);
duke@1 583 }
duke@1 584 }
duke@1 585 notify_vm_shutdown();
duke@1 586 }
duke@1 587
duke@1 588 void vm_shutdown()
duke@1 589 {
duke@1 590 vm_perform_shutdown_actions();
sla@8476 591 os::wait_for_keypress_at_exit();
duke@1 592 os::shutdown();
duke@1 593 }
duke@1 594
poonam@773 595 void vm_abort(bool dump_core) {
duke@1 596 vm_perform_shutdown_actions();
sla@8476 597 os::wait_for_keypress_at_exit();
sangheki@33600 598
sangheki@33600 599 // Flush stdout and stderr before abort.
sangheki@33600 600 fflush(stdout);
sangheki@33600 601 fflush(stderr);
sangheki@33600 602
poonam@773 603 os::abort(dump_core);
duke@1 604 ShouldNotReachHere();
duke@1 605 }
duke@1 606
duke@1 607 void vm_notify_during_shutdown(const char* error, const char* message) {
duke@1 608 if (error != NULL) {
duke@1 609 tty->print_cr("Error occurred during initialization of VM");
duke@1 610 tty->print("%s", error);
duke@1 611 if (message != NULL) {
duke@1 612 tty->print_cr(": %s", message);
duke@1 613 }
duke@1 614 else {
duke@1 615 tty->cr();
duke@1 616 }
duke@1 617 }
duke@1 618 if (ShowMessageBoxOnError && WizardMode) {
duke@1 619 fatal("Error occurred during initialization of VM");
duke@1 620 }
duke@1 621 }
duke@1 622
alanb@44326 623 void vm_exit_during_initialization() {
alanb@44326 624 vm_notify_during_shutdown(NULL, NULL);
alanb@44326 625
alanb@44326 626 // Failure during initialization, we don't want to dump core
alanb@44326 627 vm_abort(false);
alanb@44326 628 }
alanb@44326 629
duke@1 630 void vm_exit_during_initialization(Handle exception) {
duke@1 631 tty->print_cr("Error occurred during initialization of VM");
duke@1 632 // If there are exceptions on this thread it must be cleared
duke@1 633 // first and here. Any future calls to EXCEPTION_MARK requires
duke@1 634 // that no pending exceptions exist.
dholmes@34633 635 Thread *THREAD = Thread::current(); // can't be NULL
duke@1 636 if (HAS_PENDING_EXCEPTION) {
duke@1 637 CLEAR_PENDING_EXCEPTION;
duke@1 638 }
twisti@35143 639 java_lang_Throwable::print_stack_trace(exception, tty);
duke@1 640 tty->cr();
duke@1 641 vm_notify_during_shutdown(NULL, NULL);
poonam@773 642
poonam@773 643 // Failure during initialization, we don't want to dump core
poonam@773 644 vm_abort(false);
duke@1 645 }
duke@1 646
coleenp@8076 647 void vm_exit_during_initialization(Symbol* ex, const char* message) {
duke@1 648 ResourceMark rm;
duke@1 649 vm_notify_during_shutdown(ex->as_C_string(), message);
poonam@773 650
poonam@773 651 // Failure during initialization, we don't want to dump core
poonam@773 652 vm_abort(false);
duke@1 653 }
duke@1 654
duke@1 655 void vm_exit_during_initialization(const char* error, const char* message) {
duke@1 656 vm_notify_during_shutdown(error, message);
poonam@773 657
poonam@773 658 // Failure during initialization, we don't want to dump core
poonam@773 659 vm_abort(false);
duke@1 660 }
duke@1 661
duke@1 662 void vm_shutdown_during_initialization(const char* error, const char* message) {
duke@1 663 vm_notify_during_shutdown(error, message);
duke@1 664 vm_shutdown();
duke@1 665 }
duke@1 666
kamg@950 667 JDK_Version JDK_Version::_current;
twisti@13106 668 const char* JDK_Version::_runtime_name;
sla@14289 669 const char* JDK_Version::_runtime_version;
duke@1 670
duke@1 671 void JDK_Version::initialize() {
kamg@950 672 jdk_version_info info;
kamg@950 673 assert(!_current.is_valid(), "Don't initialize twice");
kamg@950 674
duke@1 675 void *lib_handle = os::native_java_library();
kamg@950 676 jdk_version_info_fn_t func = CAST_TO_FN_PTR(jdk_version_info_fn_t,
kamg@950 677 os::dll_lookup(lib_handle, "JDK_GetVersionInfo0"));
duke@1 678
amurillo@33959 679 assert(func != NULL, "Support for JDK 1.5 or older has been removed after JEP-223");
kamg@950 680
amurillo@33959 681 (*func)(&info, sizeof(info));
ihse@33957 682
amurillo@33959 683 int major = JDK_VERSION_MAJOR(info.jdk_version);
amurillo@33959 684 int minor = JDK_VERSION_MINOR(info.jdk_version);
amurillo@33959 685 int security = JDK_VERSION_SECURITY(info.jdk_version);
amurillo@33959 686 int build = JDK_VERSION_BUILD(info.jdk_version);
amurillo@33959 687
amurillo@33959 688 // Incompatible with pre-4243978 JDK.
amurillo@33959 689 if (info.pending_list_uses_discovered_field == 0) {
amurillo@33959 690 vm_exit_during_initialization(
amurillo@33959 691 "Incompatible JDK is not using Reference.discovered field for pending list");
duke@1 692 }
amurillo@33959 693 _current = JDK_Version(major, minor, security, info.patch_version, build,
amurillo@33959 694 info.thread_park_blocker == 1,
amurillo@33959 695 info.post_vm_init_hook_enabled == 1);
duke@1 696 }
duke@1 697
duke@1 698 void JDK_Version_init() {
duke@1 699 JDK_Version::initialize();
duke@1 700 }
kamg@950 701
kamg@950 702 static int64_t encode_jdk_version(const JDK_Version& v) {
kamg@950 703 return
amurillo@33959 704 ((int64_t)v.major_version() << (BitsPerByte * 4)) |
amurillo@33959 705 ((int64_t)v.minor_version() << (BitsPerByte * 3)) |
amurillo@33959 706 ((int64_t)v.security_version() << (BitsPerByte * 2)) |
amurillo@33959 707 ((int64_t)v.patch_version() << (BitsPerByte * 1)) |
kamg@950 708 ((int64_t)v.build_number() << (BitsPerByte * 0));
kamg@950 709 }
kamg@950 710
kamg@950 711 int JDK_Version::compare(const JDK_Version& other) const {
kamg@950 712 assert(is_valid() && other.is_valid(), "Invalid version (uninitialized?)");
amurillo@33959 713 uint64_t e = encode_jdk_version(*this);
amurillo@33959 714 uint64_t o = encode_jdk_version(other);
amurillo@33959 715 return (e > o) ? 1 : ((e == o) ? 0 : -1);
kamg@950 716 }
kamg@950 717
kamg@950 718 void JDK_Version::to_string(char* buffer, size_t buflen) const {
goetz@27471 719 assert(buffer && buflen > 0, "call with useful buffer");
kamg@950 720 size_t index = 0;
goetz@27471 721
kamg@950 722 if (!is_valid()) {
kamg@950 723 jio_snprintf(buffer, buflen, "%s", "(uninitialized)");
kamg@950 724 } else {
goetz@27471 725 int rc = jio_snprintf(
kamg@950 726 &buffer[index], buflen - index, "%d.%d", _major, _minor);
goetz@27471 727 if (rc == -1) return;
goetz@27471 728 index += rc;
ihse@33957 729 if (_security > 0) {
ihse@33957 730 rc = jio_snprintf(&buffer[index], buflen - index, ".%d", _security);
shshahma@46293 731 if (rc == -1) return;
shshahma@46293 732 index += rc;
kamg@950 733 }
amurillo@33959 734 if (_patch > 0) {
amurillo@33959 735 rc = jio_snprintf(&buffer[index], buflen - index, ".%d", _patch);
goetz@27471 736 if (rc == -1) return;
goetz@27471 737 index += rc;
kamg@950 738 }
kamg@950 739 if (_build > 0) {
amurillo@33959 740 rc = jio_snprintf(&buffer[index], buflen - index, "+%d", _build);
goetz@27471 741 if (rc == -1) return;
goetz@27471 742 index += rc;
kamg@950 743 }
kamg@950 744 }
kamg@950 745 }
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