Mercurial > hg > truffle
annotate src/share/vm/runtime/java.cpp @ 12034:274ce305e5b9
8020598: ObjectCountEventSender::send needs INCLUDE_TRACE guards when building OpenJDK with INCLUDE_TRACE=0
Reviewed-by: stefank, brutisso, sjohanss
author | ehelin |
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date | Tue, 13 Aug 2013 18:16:19 +0200 |
parents | 71180a6e5080 |
children | 6b0fd0964b87 63147986a428 |
rev | line source |
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0 | 1 /* |
10405 | 2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "classfile/classLoader.hpp" | |
27 #include "classfile/symbolTable.hpp" | |
28 #include "classfile/systemDictionary.hpp" | |
29 #include "code/codeCache.hpp" | |
30 #include "compiler/compileBroker.hpp" | |
31 #include "compiler/compilerOracle.hpp" | |
32 #include "interpreter/bytecodeHistogram.hpp" | |
33 #include "memory/genCollectedHeap.hpp" | |
34 #include "memory/oopFactory.hpp" | |
35 #include "memory/universe.hpp" | |
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36 #include "oops/constantPool.hpp" |
1972 | 37 #include "oops/generateOopMap.hpp" |
38 #include "oops/instanceKlass.hpp" | |
39 #include "oops/instanceOop.hpp" | |
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40 #include "oops/method.hpp" |
1972 | 41 #include "oops/objArrayOop.hpp" |
42 #include "oops/oop.inline.hpp" | |
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43 #include "oops/symbol.hpp" |
1972 | 44 #include "prims/jvmtiExport.hpp" |
45 #include "runtime/arguments.hpp" | |
46 #include "runtime/biasedLocking.hpp" | |
47 #include "runtime/compilationPolicy.hpp" | |
48 #include "runtime/fprofiler.hpp" | |
49 #include "runtime/init.hpp" | |
50 #include "runtime/interfaceSupport.hpp" | |
51 #include "runtime/java.hpp" | |
52 #include "runtime/memprofiler.hpp" | |
53 #include "runtime/sharedRuntime.hpp" | |
54 #include "runtime/statSampler.hpp" | |
55 #include "runtime/task.hpp" | |
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56 #include "runtime/thread.inline.hpp" |
1972 | 57 #include "runtime/timer.hpp" |
58 #include "runtime/vm_operations.hpp" | |
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59 #include "services/memReporter.hpp" |
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60 #include "services/memTracker.hpp" |
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61 #include "trace/tracing.hpp" |
1972 | 62 #include "utilities/dtrace.hpp" |
63 #include "utilities/globalDefinitions.hpp" | |
64 #include "utilities/histogram.hpp" | |
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65 #include "utilities/macros.hpp" |
1972 | 66 #include "utilities/vmError.hpp" |
67 #ifdef TARGET_ARCH_x86 | |
68 # include "vm_version_x86.hpp" | |
69 #endif | |
70 #ifdef TARGET_ARCH_sparc | |
71 # include "vm_version_sparc.hpp" | |
72 #endif | |
73 #ifdef TARGET_ARCH_zero | |
74 # include "vm_version_zero.hpp" | |
75 #endif | |
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76 #ifdef TARGET_ARCH_arm |
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77 # include "vm_version_arm.hpp" |
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78 #endif |
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79 #ifdef TARGET_ARCH_ppc |
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80 # include "vm_version_ppc.hpp" |
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81 #endif |
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82 #if INCLUDE_ALL_GCS |
1972 | 83 #include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepThread.hpp" |
84 #include "gc_implementation/parallelScavenge/psScavenge.hpp" | |
85 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp" | |
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86 #endif // INCLUDE_ALL_GCS |
1972 | 87 #ifdef COMPILER1 |
88 #include "c1/c1_Compiler.hpp" | |
89 #include "c1/c1_Runtime1.hpp" | |
90 #endif | |
91 #ifdef COMPILER2 | |
92 #include "code/compiledIC.hpp" | |
93 #include "compiler/methodLiveness.hpp" | |
94 #include "opto/compile.hpp" | |
95 #include "opto/indexSet.hpp" | |
96 #include "opto/runtime.hpp" | |
97 #endif | |
0 | 98 |
4006 | 99 #ifndef USDT2 |
0 | 100 HS_DTRACE_PROBE_DECL(hotspot, vm__shutdown); |
4006 | 101 #endif /* !USDT2 */ |
0 | 102 |
103 #ifndef PRODUCT | |
104 | |
105 // Statistics printing (method invocation histogram) | |
106 | |
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107 GrowableArray<Method*>* collected_invoked_methods; |
0 | 108 |
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109 void collect_invoked_methods(Method* m) { |
0 | 110 if (m->invocation_count() + m->compiled_invocation_count() >= 1 ) { |
111 collected_invoked_methods->push(m); | |
112 } | |
113 } | |
114 | |
115 | |
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116 GrowableArray<Method*>* collected_profiled_methods; |
0 | 117 |
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118 void collect_profiled_methods(Method* m) { |
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119 Thread* thread = Thread::current(); |
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120 // This HandleMark prevents a huge amount of handles from being added |
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121 // to the metadata_handles() array on the thread. |
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122 HandleMark hm(thread); |
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123 methodHandle mh(thread, m); |
0 | 124 if ((m->method_data() != NULL) && |
125 (PrintMethodData || CompilerOracle::should_print(mh))) { | |
126 collected_profiled_methods->push(m); | |
127 } | |
128 } | |
129 | |
130 | |
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131 int compare_methods(Method** a, Method** b) { |
0 | 132 // %%% there can be 32-bit overflow here |
133 return ((*b)->invocation_count() + (*b)->compiled_invocation_count()) | |
134 - ((*a)->invocation_count() + (*a)->compiled_invocation_count()); | |
135 } | |
136 | |
137 | |
138 void print_method_invocation_histogram() { | |
139 ResourceMark rm; | |
140 HandleMark hm; | |
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141 collected_invoked_methods = new GrowableArray<Method*>(1024); |
0 | 142 SystemDictionary::methods_do(collect_invoked_methods); |
143 collected_invoked_methods->sort(&compare_methods); | |
144 // | |
145 tty->cr(); | |
146 tty->print_cr("Histogram Over MethodOop Invocation Counters (cutoff = %d):", MethodHistogramCutoff); | |
147 tty->cr(); | |
148 tty->print_cr("____Count_(I+C)____Method________________________Module_________________"); | |
149 unsigned total = 0, int_total = 0, comp_total = 0, static_total = 0, final_total = 0, | |
150 synch_total = 0, nativ_total = 0, acces_total = 0; | |
151 for (int index = 0; index < collected_invoked_methods->length(); index++) { | |
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152 Method* m = collected_invoked_methods->at(index); |
0 | 153 int c = m->invocation_count() + m->compiled_invocation_count(); |
154 if (c >= MethodHistogramCutoff) m->print_invocation_count(); | |
155 int_total += m->invocation_count(); | |
156 comp_total += m->compiled_invocation_count(); | |
157 if (m->is_final()) final_total += c; | |
158 if (m->is_static()) static_total += c; | |
159 if (m->is_synchronized()) synch_total += c; | |
160 if (m->is_native()) nativ_total += c; | |
161 if (m->is_accessor()) acces_total += c; | |
162 } | |
163 tty->cr(); | |
164 total = int_total + comp_total; | |
165 tty->print_cr("Invocations summary:"); | |
166 tty->print_cr("\t%9d (%4.1f%%) interpreted", int_total, 100.0 * int_total / total); | |
167 tty->print_cr("\t%9d (%4.1f%%) compiled", comp_total, 100.0 * comp_total / total); | |
168 tty->print_cr("\t%9d (100%%) total", total); | |
169 tty->print_cr("\t%9d (%4.1f%%) synchronized", synch_total, 100.0 * synch_total / total); | |
170 tty->print_cr("\t%9d (%4.1f%%) final", final_total, 100.0 * final_total / total); | |
171 tty->print_cr("\t%9d (%4.1f%%) static", static_total, 100.0 * static_total / total); | |
172 tty->print_cr("\t%9d (%4.1f%%) native", nativ_total, 100.0 * nativ_total / total); | |
173 tty->print_cr("\t%9d (%4.1f%%) accessor", acces_total, 100.0 * acces_total / total); | |
174 tty->cr(); | |
175 SharedRuntime::print_call_statistics(comp_total); | |
176 } | |
177 | |
178 void print_method_profiling_data() { | |
179 ResourceMark rm; | |
180 HandleMark hm; | |
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181 collected_profiled_methods = new GrowableArray<Method*>(1024); |
0 | 182 SystemDictionary::methods_do(collect_profiled_methods); |
183 collected_profiled_methods->sort(&compare_methods); | |
184 | |
185 int count = collected_profiled_methods->length(); | |
186 if (count > 0) { | |
187 for (int index = 0; index < count; index++) { | |
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188 Method* m = collected_profiled_methods->at(index); |
0 | 189 ttyLocker ttyl; |
190 tty->print_cr("------------------------------------------------------------------------"); | |
191 //m->print_name(tty); | |
192 m->print_invocation_count(); | |
193 tty->cr(); | |
194 m->print_codes(); | |
195 } | |
196 tty->print_cr("------------------------------------------------------------------------"); | |
197 } | |
198 } | |
199 | |
200 void print_bytecode_count() { | |
201 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) { | |
202 tty->print_cr("[BytecodeCounter::counter_value = %d]", BytecodeCounter::counter_value()); | |
203 } | |
204 } | |
205 | |
206 AllocStats alloc_stats; | |
207 | |
208 | |
209 | |
210 // General statistics printing (profiling ...) | |
211 | |
212 void print_statistics() { | |
213 | |
214 #ifdef ASSERT | |
215 | |
216 if (CountRuntimeCalls) { | |
217 extern Histogram *RuntimeHistogram; | |
218 RuntimeHistogram->print(); | |
219 } | |
220 | |
221 if (CountJNICalls) { | |
222 extern Histogram *JNIHistogram; | |
223 JNIHistogram->print(); | |
224 } | |
225 | |
226 if (CountJVMCalls) { | |
227 extern Histogram *JVMHistogram; | |
228 JVMHistogram->print(); | |
229 } | |
230 | |
231 #endif | |
232 | |
233 if (MemProfiling) { | |
234 MemProfiler::disengage(); | |
235 } | |
236 | |
237 if (CITime) { | |
238 CompileBroker::print_times(); | |
239 } | |
240 | |
241 #ifdef COMPILER1 | |
242 if ((PrintC1Statistics || LogVMOutput || LogCompilation) && UseCompiler) { | |
243 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintC1Statistics); | |
244 Runtime1::print_statistics(); | |
245 Deoptimization::print_statistics(); | |
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246 SharedRuntime::print_statistics(); |
0 | 247 nmethod::print_statistics(); |
248 } | |
249 #endif /* COMPILER1 */ | |
250 | |
251 #ifdef COMPILER2 | |
252 if ((PrintOptoStatistics || LogVMOutput || LogCompilation) && UseCompiler) { | |
253 FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintOptoStatistics); | |
254 Compile::print_statistics(); | |
255 #ifndef COMPILER1 | |
256 Deoptimization::print_statistics(); | |
257 nmethod::print_statistics(); | |
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258 SharedRuntime::print_statistics(); |
0 | 259 #endif //COMPILER1 |
260 os::print_statistics(); | |
261 } | |
262 | |
263 if (PrintLockStatistics || PrintPreciseBiasedLockingStatistics) { | |
264 OptoRuntime::print_named_counters(); | |
265 } | |
266 | |
267 if (TimeLivenessAnalysis) { | |
268 MethodLiveness::print_times(); | |
269 } | |
270 #ifdef ASSERT | |
271 if (CollectIndexSetStatistics) { | |
272 IndexSet::print_statistics(); | |
273 } | |
274 #endif // ASSERT | |
275 #endif // COMPILER2 | |
276 if (CountCompiledCalls) { | |
277 print_method_invocation_histogram(); | |
278 } | |
1918 | 279 if (ProfileInterpreter COMPILER1_PRESENT(|| C1UpdateMethodData)) { |
0 | 280 print_method_profiling_data(); |
281 } | |
282 if (TimeCompiler) { | |
283 COMPILER2_PRESENT(Compile::print_timers();) | |
284 } | |
285 if (TimeCompilationPolicy) { | |
286 CompilationPolicy::policy()->print_time(); | |
287 } | |
288 if (TimeOopMap) { | |
289 GenerateOopMap::print_time(); | |
290 } | |
291 if (ProfilerCheckIntervals) { | |
292 PeriodicTask::print_intervals(); | |
293 } | |
294 if (PrintSymbolTableSizeHistogram) { | |
295 SymbolTable::print_histogram(); | |
296 } | |
297 if (CountBytecodes || TraceBytecodes || StopInterpreterAt) { | |
298 BytecodeCounter::print(); | |
299 } | |
300 if (PrintBytecodePairHistogram) { | |
301 BytecodePairHistogram::print(); | |
302 } | |
303 | |
304 if (PrintCodeCache) { | |
305 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
306 CodeCache::print(); | |
307 } | |
308 | |
309 if (PrintCodeCache2) { | |
310 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
311 CodeCache::print_internals(); | |
312 } | |
313 | |
314 if (PrintClassStatistics) { | |
315 SystemDictionary::print_class_statistics(); | |
316 } | |
317 if (PrintMethodStatistics) { | |
318 SystemDictionary::print_method_statistics(); | |
319 } | |
320 | |
321 if (PrintVtableStats) { | |
322 klassVtable::print_statistics(); | |
323 klassItable::print_statistics(); | |
324 } | |
325 if (VerifyOops) { | |
326 tty->print_cr("+VerifyOops count: %d", StubRoutines::verify_oop_count()); | |
327 } | |
328 | |
329 print_bytecode_count(); | |
2250 | 330 if (PrintMallocStatistics) { |
0 | 331 tty->print("allocation stats: "); |
332 alloc_stats.print(); | |
333 tty->cr(); | |
334 } | |
335 | |
336 if (PrintSystemDictionaryAtExit) { | |
337 SystemDictionary::print(); | |
338 } | |
339 | |
340 if (PrintBiasedLockingStatistics) { | |
341 BiasedLocking::print_counters(); | |
342 } | |
343 | |
344 #ifdef ENABLE_ZAP_DEAD_LOCALS | |
345 #ifdef COMPILER2 | |
346 if (ZapDeadCompiledLocals) { | |
347 tty->print_cr("Compile::CompiledZap_count = %d", Compile::CompiledZap_count); | |
348 tty->print_cr("OptoRuntime::ZapDeadCompiledLocals_count = %d", OptoRuntime::ZapDeadCompiledLocals_count); | |
349 } | |
350 #endif // COMPILER2 | |
351 #endif // ENABLE_ZAP_DEAD_LOCALS | |
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352 // Native memory tracking data |
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353 if (PrintNMTStatistics) { |
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354 if (MemTracker::is_on()) { |
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355 BaselineTTYOutputer outputer(tty); |
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356 MemTracker::print_memory_usage(outputer, K, false); |
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357 } else { |
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358 tty->print_cr(MemTracker::reason()); |
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359 } |
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360 } |
0 | 361 } |
362 | |
363 #else // PRODUCT MODE STATISTICS | |
364 | |
365 void print_statistics() { | |
366 | |
367 if (CITime) { | |
368 CompileBroker::print_times(); | |
369 } | |
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370 |
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371 if (PrintCodeCache) { |
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372 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
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373 CodeCache::print(); |
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374 } |
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375 |
0 | 376 #ifdef COMPILER2 |
377 if (PrintPreciseBiasedLockingStatistics) { | |
378 OptoRuntime::print_named_counters(); | |
379 } | |
380 #endif | |
381 if (PrintBiasedLockingStatistics) { | |
382 BiasedLocking::print_counters(); | |
383 } | |
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384 |
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385 // Native memory tracking data |
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386 if (PrintNMTStatistics) { |
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387 if (MemTracker::is_on()) { |
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388 BaselineTTYOutputer outputer(tty); |
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389 MemTracker::print_memory_usage(outputer, K, false); |
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390 } else { |
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391 tty->print_cr(MemTracker::reason()); |
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392 } |
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393 } |
0 | 394 } |
395 | |
396 #endif | |
397 | |
398 | |
399 // Helper class for registering on_exit calls through JVM_OnExit | |
400 | |
401 extern "C" { | |
402 typedef void (*__exit_proc)(void); | |
403 } | |
404 | |
6197 | 405 class ExitProc : public CHeapObj<mtInternal> { |
0 | 406 private: |
407 __exit_proc _proc; | |
408 // void (*_proc)(void); | |
409 ExitProc* _next; | |
410 public: | |
411 // ExitProc(void (*proc)(void)) { | |
412 ExitProc(__exit_proc proc) { | |
413 _proc = proc; | |
414 _next = NULL; | |
415 } | |
416 void evaluate() { _proc(); } | |
417 ExitProc* next() const { return _next; } | |
418 void set_next(ExitProc* next) { _next = next; } | |
419 }; | |
420 | |
421 | |
422 // Linked list of registered on_exit procedures | |
423 | |
424 static ExitProc* exit_procs = NULL; | |
425 | |
426 | |
427 extern "C" { | |
428 void register_on_exit_function(void (*func)(void)) { | |
429 ExitProc *entry = new ExitProc(func); | |
430 // Classic vm does not throw an exception in case the allocation failed, | |
431 if (entry != NULL) { | |
432 entry->set_next(exit_procs); | |
433 exit_procs = entry; | |
434 } | |
435 } | |
436 } | |
437 | |
438 // Note: before_exit() can be executed only once, if more than one threads | |
439 // are trying to shutdown the VM at the same time, only one thread | |
440 // can run before_exit() and all other threads must wait. | |
441 void before_exit(JavaThread * thread) { | |
442 #define BEFORE_EXIT_NOT_RUN 0 | |
443 #define BEFORE_EXIT_RUNNING 1 | |
444 #define BEFORE_EXIT_DONE 2 | |
445 static jint volatile _before_exit_status = BEFORE_EXIT_NOT_RUN; | |
446 | |
447 // Note: don't use a Mutex to guard the entire before_exit(), as | |
448 // JVMTI post_thread_end_event and post_vm_death_event will run native code. | |
449 // A CAS or OSMutex would work just fine but then we need to manipulate | |
450 // thread state for Safepoint. Here we use Monitor wait() and notify_all() | |
451 // for synchronization. | |
452 { MutexLocker ml(BeforeExit_lock); | |
453 switch (_before_exit_status) { | |
454 case BEFORE_EXIT_NOT_RUN: | |
455 _before_exit_status = BEFORE_EXIT_RUNNING; | |
456 break; | |
457 case BEFORE_EXIT_RUNNING: | |
458 while (_before_exit_status == BEFORE_EXIT_RUNNING) { | |
459 BeforeExit_lock->wait(); | |
460 } | |
461 assert(_before_exit_status == BEFORE_EXIT_DONE, "invalid state"); | |
462 return; | |
463 case BEFORE_EXIT_DONE: | |
464 return; | |
465 } | |
466 } | |
467 | |
468 // The only difference between this and Win32's _onexit procs is that | |
469 // this version is invoked before any threads get killed. | |
470 ExitProc* current = exit_procs; | |
471 while (current != NULL) { | |
472 ExitProc* next = current->next(); | |
473 current->evaluate(); | |
474 delete current; | |
475 current = next; | |
476 } | |
477 | |
478 // Hang forever on exit if we're reporting an error. | |
479 if (ShowMessageBoxOnError && is_error_reported()) { | |
480 os::infinite_sleep(); | |
481 } | |
482 | |
483 // Terminate watcher thread - must before disenrolling any periodic task | |
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484 if (PeriodicTask::num_tasks() > 0) |
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485 WatcherThread::stop(); |
0 | 486 |
487 // Print statistics gathered (profiling ...) | |
488 if (Arguments::has_profile()) { | |
489 FlatProfiler::disengage(); | |
490 FlatProfiler::print(10); | |
491 } | |
492 | |
493 // shut down the StatSampler task | |
494 StatSampler::disengage(); | |
495 StatSampler::destroy(); | |
496 | |
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497 // We do not need to explicitly stop concurrent GC threads because the |
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498 // JVM will be taken down at a safepoint when such threads are inactive -- |
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499 // except for some concurrent G1 threads, see (comment in) |
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500 // Threads::destroy_vm(). |
0 | 501 |
502 // Print GC/heap related information. | |
503 if (PrintGCDetails) { | |
504 Universe::print(); | |
505 AdaptiveSizePolicyOutput(0); | |
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506 if (Verbose) { |
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507 ClassLoaderDataGraph::dump_on(gclog_or_tty); |
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508 } |
0 | 509 } |
510 | |
511 if (PrintBytecodeHistogram) { | |
512 BytecodeHistogram::print(); | |
513 } | |
514 | |
515 if (JvmtiExport::should_post_thread_life()) { | |
516 JvmtiExport::post_thread_end(thread); | |
517 } | |
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518 |
10405 | 519 |
520 EventThreadEnd event; | |
521 if (event.should_commit()) { | |
522 event.set_javalangthread(java_lang_Thread::thread_id(thread->threadObj())); | |
523 event.commit(); | |
524 } | |
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525 |
0 | 526 // Always call even when there are not JVMTI environments yet, since environments |
527 // may be attached late and JVMTI must track phases of VM execution | |
528 JvmtiExport::post_vm_death(); | |
529 Threads::shutdown_vm_agents(); | |
530 | |
531 // Terminate the signal thread | |
532 // Note: we don't wait until it actually dies. | |
533 os::terminate_signal_thread(); | |
534 | |
535 print_statistics(); | |
536 Universe::heap()->print_tracing_info(); | |
537 | |
538 { MutexLocker ml(BeforeExit_lock); | |
539 _before_exit_status = BEFORE_EXIT_DONE; | |
540 BeforeExit_lock->notify_all(); | |
541 } | |
542 | |
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543 // Shutdown NMT before exit. Otherwise, |
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544 // it will run into trouble when system destroys static variables. |
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545 MemTracker::shutdown(MemTracker::NMT_normal); |
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546 |
0 | 547 #undef BEFORE_EXIT_NOT_RUN |
548 #undef BEFORE_EXIT_RUNNING | |
549 #undef BEFORE_EXIT_DONE | |
550 } | |
551 | |
552 void vm_exit(int code) { | |
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553 Thread* thread = ThreadLocalStorage::is_initialized() ? |
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554 ThreadLocalStorage::get_thread_slow() : NULL; |
0 | 555 if (thread == NULL) { |
556 // we have serious problems -- just exit | |
557 vm_direct_exit(code); | |
558 } | |
559 | |
560 if (VMThread::vm_thread() != NULL) { | |
561 // Fire off a VM_Exit operation to bring VM to a safepoint and exit | |
562 VM_Exit op(code); | |
563 if (thread->is_Java_thread()) | |
564 ((JavaThread*)thread)->set_thread_state(_thread_in_vm); | |
565 VMThread::execute(&op); | |
566 // should never reach here; but in case something wrong with VM Thread. | |
567 vm_direct_exit(code); | |
568 } else { | |
569 // VM thread is gone, just exit | |
570 vm_direct_exit(code); | |
571 } | |
572 ShouldNotReachHere(); | |
573 } | |
574 | |
575 void notify_vm_shutdown() { | |
576 // For now, just a dtrace probe. | |
4006 | 577 #ifndef USDT2 |
0 | 578 HS_DTRACE_PROBE(hotspot, vm__shutdown); |
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579 HS_DTRACE_WORKAROUND_TAIL_CALL_BUG(); |
4006 | 580 #else /* USDT2 */ |
581 HOTSPOT_VM_SHUTDOWN(); | |
582 #endif /* USDT2 */ | |
0 | 583 } |
584 | |
585 void vm_direct_exit(int code) { | |
586 notify_vm_shutdown(); | |
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587 os::wait_for_keypress_at_exit(); |
0 | 588 ::exit(code); |
589 } | |
590 | |
591 void vm_perform_shutdown_actions() { | |
592 // Warning: do not call 'exit_globals()' here. All threads are still running. | |
593 // Calling 'exit_globals()' will disable thread-local-storage and cause all | |
594 // kinds of assertions to trigger in debug mode. | |
595 if (is_init_completed()) { | |
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596 Thread* thread = ThreadLocalStorage::is_initialized() ? |
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597 ThreadLocalStorage::get_thread_slow() : NULL; |
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598 if (thread != NULL && thread->is_Java_thread()) { |
0 | 599 // We are leaving the VM, set state to native (in case any OS exit |
600 // handlers call back to the VM) | |
601 JavaThread* jt = (JavaThread*)thread; | |
602 // Must always be walkable or have no last_Java_frame when in | |
603 // thread_in_native | |
604 jt->frame_anchor()->make_walkable(jt); | |
605 jt->set_thread_state(_thread_in_native); | |
606 } | |
607 } | |
608 notify_vm_shutdown(); | |
609 } | |
610 | |
611 void vm_shutdown() | |
612 { | |
613 vm_perform_shutdown_actions(); | |
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614 os::wait_for_keypress_at_exit(); |
0 | 615 os::shutdown(); |
616 } | |
617 | |
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618 void vm_abort(bool dump_core) { |
0 | 619 vm_perform_shutdown_actions(); |
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620 os::wait_for_keypress_at_exit(); |
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621 os::abort(dump_core); |
0 | 622 ShouldNotReachHere(); |
623 } | |
624 | |
625 void vm_notify_during_shutdown(const char* error, const char* message) { | |
626 if (error != NULL) { | |
627 tty->print_cr("Error occurred during initialization of VM"); | |
628 tty->print("%s", error); | |
629 if (message != NULL) { | |
630 tty->print_cr(": %s", message); | |
631 } | |
632 else { | |
633 tty->cr(); | |
634 } | |
635 } | |
636 if (ShowMessageBoxOnError && WizardMode) { | |
637 fatal("Error occurred during initialization of VM"); | |
638 } | |
639 } | |
640 | |
641 void vm_exit_during_initialization(Handle exception) { | |
642 tty->print_cr("Error occurred during initialization of VM"); | |
643 // If there are exceptions on this thread it must be cleared | |
644 // first and here. Any future calls to EXCEPTION_MARK requires | |
645 // that no pending exceptions exist. | |
646 Thread *THREAD = Thread::current(); | |
647 if (HAS_PENDING_EXCEPTION) { | |
648 CLEAR_PENDING_EXCEPTION; | |
649 } | |
650 java_lang_Throwable::print(exception, tty); | |
651 tty->cr(); | |
652 java_lang_Throwable::print_stack_trace(exception(), tty); | |
653 tty->cr(); | |
654 vm_notify_during_shutdown(NULL, NULL); | |
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655 |
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656 // Failure during initialization, we don't want to dump core |
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657 vm_abort(false); |
0 | 658 } |
659 | |
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660 void vm_exit_during_initialization(Symbol* ex, const char* message) { |
0 | 661 ResourceMark rm; |
662 vm_notify_during_shutdown(ex->as_C_string(), message); | |
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663 |
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664 // Failure during initialization, we don't want to dump core |
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665 vm_abort(false); |
0 | 666 } |
667 | |
668 void vm_exit_during_initialization(const char* error, const char* message) { | |
669 vm_notify_during_shutdown(error, message); | |
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670 |
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671 // Failure during initialization, we don't want to dump core |
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672 vm_abort(false); |
0 | 673 } |
674 | |
675 void vm_shutdown_during_initialization(const char* error, const char* message) { | |
676 vm_notify_during_shutdown(error, message); | |
677 vm_shutdown(); | |
678 } | |
679 | |
242 | 680 JDK_Version JDK_Version::_current; |
6181 | 681 const char* JDK_Version::_runtime_name; |
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682 const char* JDK_Version::_runtime_version; |
0 | 683 |
684 void JDK_Version::initialize() { | |
242 | 685 jdk_version_info info; |
686 assert(!_current.is_valid(), "Don't initialize twice"); | |
687 | |
0 | 688 void *lib_handle = os::native_java_library(); |
242 | 689 jdk_version_info_fn_t func = CAST_TO_FN_PTR(jdk_version_info_fn_t, |
690 os::dll_lookup(lib_handle, "JDK_GetVersionInfo0")); | |
0 | 691 |
692 if (func == NULL) { | |
693 // JDK older than 1.6 | |
242 | 694 _current._partially_initialized = true; |
695 } else { | |
696 (*func)(&info, sizeof(info)); | |
0 | 697 |
242 | 698 int major = JDK_VERSION_MAJOR(info.jdk_version); |
699 int minor = JDK_VERSION_MINOR(info.jdk_version); | |
700 int micro = JDK_VERSION_MICRO(info.jdk_version); | |
701 int build = JDK_VERSION_BUILD(info.jdk_version); | |
702 if (major == 1 && minor > 4) { | |
703 // We represent "1.5.0" as "5.0", but 1.4.2 as itself. | |
704 major = minor; | |
705 minor = micro; | |
706 micro = 0; | |
707 } | |
708 _current = JDK_Version(major, minor, micro, info.update_version, | |
709 info.special_update_version, build, | |
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710 info.thread_park_blocker == 1, |
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711 info.post_vm_init_hook_enabled == 1, |
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712 info.pending_list_uses_discovered_field == 1); |
0 | 713 } |
242 | 714 } |
715 | |
716 void JDK_Version::fully_initialize( | |
717 uint8_t major, uint8_t minor, uint8_t micro, uint8_t update) { | |
718 // This is only called when current is less than 1.6 and we've gotten | |
719 // far enough in the initialization to determine the exact version. | |
720 assert(major < 6, "not needed for JDK version >= 6"); | |
721 assert(is_partially_initialized(), "must not initialize"); | |
722 if (major < 5) { | |
723 // JDK verison sequence: 1.2.x, 1.3.x, 1.4.x, 5.0.x, 6.0.x, etc. | |
724 micro = minor; | |
725 minor = major; | |
726 major = 1; | |
0 | 727 } |
242 | 728 _current = JDK_Version(major, minor, micro, update); |
0 | 729 } |
730 | |
731 void JDK_Version_init() { | |
732 JDK_Version::initialize(); | |
733 } | |
242 | 734 |
735 static int64_t encode_jdk_version(const JDK_Version& v) { | |
736 return | |
737 ((int64_t)v.major_version() << (BitsPerByte * 5)) | | |
738 ((int64_t)v.minor_version() << (BitsPerByte * 4)) | | |
739 ((int64_t)v.micro_version() << (BitsPerByte * 3)) | | |
740 ((int64_t)v.update_version() << (BitsPerByte * 2)) | | |
741 ((int64_t)v.special_update_version() << (BitsPerByte * 1)) | | |
742 ((int64_t)v.build_number() << (BitsPerByte * 0)); | |
743 } | |
744 | |
745 int JDK_Version::compare(const JDK_Version& other) const { | |
746 assert(is_valid() && other.is_valid(), "Invalid version (uninitialized?)"); | |
747 if (!is_partially_initialized() && other.is_partially_initialized()) { | |
748 return -(other.compare(*this)); // flip the comparators | |
749 } | |
750 assert(!other.is_partially_initialized(), "Not initialized yet"); | |
751 if (is_partially_initialized()) { | |
752 assert(other.major_version() >= 6, | |
753 "Invalid JDK version comparison during initialization"); | |
754 return -1; | |
755 } else { | |
756 uint64_t e = encode_jdk_version(*this); | |
757 uint64_t o = encode_jdk_version(other); | |
758 return (e > o) ? 1 : ((e == o) ? 0 : -1); | |
759 } | |
760 } | |
761 | |
762 void JDK_Version::to_string(char* buffer, size_t buflen) const { | |
763 size_t index = 0; | |
764 if (!is_valid()) { | |
765 jio_snprintf(buffer, buflen, "%s", "(uninitialized)"); | |
766 } else if (is_partially_initialized()) { | |
767 jio_snprintf(buffer, buflen, "%s", "(uninitialized) pre-1.6.0"); | |
768 } else { | |
769 index += jio_snprintf( | |
770 &buffer[index], buflen - index, "%d.%d", _major, _minor); | |
771 if (_micro > 0) { | |
772 index += jio_snprintf(&buffer[index], buflen - index, ".%d", _micro); | |
773 } | |
774 if (_update > 0) { | |
775 index += jio_snprintf(&buffer[index], buflen - index, "_%02d", _update); | |
776 } | |
777 if (_special > 0) { | |
778 index += jio_snprintf(&buffer[index], buflen - index, "%c", _special); | |
779 } | |
780 if (_build > 0) { | |
781 index += jio_snprintf(&buffer[index], buflen - index, "-b%02d", _build); | |
782 } | |
783 } | |
784 } |