author | jcoomes |
Wed, 17 Aug 2011 10:32:53 -0700 | |
changeset 10272 | 9377a9510c83 |
parent 9992 | 0d82cce3e655 |
child 10254 | 406448a00c51 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#include "precompiled.hpp" |
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#include "classfile/classLoader.hpp" |
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#include "classfile/symbolTable.hpp" |
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#include "classfile/systemDictionary.hpp" |
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#include "code/codeCache.hpp" |
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#include "compiler/compileBroker.hpp" |
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#include "compiler/compilerOracle.hpp" |
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#include "interpreter/bytecodeHistogram.hpp" |
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#include "memory/genCollectedHeap.hpp" |
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#include "memory/oopFactory.hpp" |
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#include "memory/universe.hpp" |
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#include "oops/constantPoolOop.hpp" |
|
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#include "oops/generateOopMap.hpp" |
|
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#include "oops/instanceKlass.hpp" |
|
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#include "oops/instanceKlassKlass.hpp" |
|
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#include "oops/instanceOop.hpp" |
|
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#include "oops/methodOop.hpp" |
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#include "oops/objArrayOop.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "oops/symbol.hpp" |
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#include "prims/jvmtiExport.hpp" |
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#include "runtime/aprofiler.hpp" |
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#include "runtime/arguments.hpp" |
|
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#include "runtime/biasedLocking.hpp" |
|
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#include "runtime/compilationPolicy.hpp" |
|
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#include "runtime/fprofiler.hpp" |
|
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#include "runtime/init.hpp" |
|
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#include "runtime/interfaceSupport.hpp" |
|
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#include "runtime/java.hpp" |
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#include "runtime/memprofiler.hpp" |
|
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#include "runtime/sharedRuntime.hpp" |
|
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#include "runtime/statSampler.hpp" |
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#include "runtime/task.hpp" |
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#include "runtime/timer.hpp" |
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#include "runtime/vm_operations.hpp" |
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#include "utilities/dtrace.hpp" |
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#include "utilities/globalDefinitions.hpp" |
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#include "utilities/histogram.hpp" |
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#include "utilities/vmError.hpp" |
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#ifdef TARGET_ARCH_x86 |
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# include "vm_version_x86.hpp" |
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#endif |
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#ifdef TARGET_ARCH_sparc |
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# include "vm_version_sparc.hpp" |
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#endif |
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#ifdef TARGET_ARCH_zero |
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# include "vm_version_zero.hpp" |
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#endif |
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#ifdef TARGET_ARCH_arm |
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# include "vm_version_arm.hpp" |
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#endif |
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#ifdef TARGET_ARCH_ppc |
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# include "vm_version_ppc.hpp" |
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#endif |
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#ifdef TARGET_OS_FAMILY_linux |
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# include "thread_linux.inline.hpp" |
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#endif |
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#ifdef TARGET_OS_FAMILY_solaris |
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# include "thread_solaris.inline.hpp" |
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#endif |
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#ifdef TARGET_OS_FAMILY_windows |
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# include "thread_windows.inline.hpp" |
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#endif |
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#ifndef SERIALGC |
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#include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepThread.hpp" |
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#include "gc_implementation/parallelScavenge/psScavenge.hpp" |
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#include "gc_implementation/parallelScavenge/psScavenge.inline.hpp" |
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#endif |
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#ifdef COMPILER1 |
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#include "c1/c1_Compiler.hpp" |
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#include "c1/c1_Runtime1.hpp" |
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#endif |
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#ifdef COMPILER2 |
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#include "code/compiledIC.hpp" |
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#include "compiler/methodLiveness.hpp" |
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#include "opto/compile.hpp" |
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#include "opto/indexSet.hpp" |
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#include "opto/runtime.hpp" |
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#endif |
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HS_DTRACE_PROBE_DECL(hotspot, vm__shutdown); |
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||
107 |
#ifndef PRODUCT |
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108 |
||
109 |
// Statistics printing (method invocation histogram) |
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110 |
||
111 |
GrowableArray<methodOop>* collected_invoked_methods; |
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||
113 |
void collect_invoked_methods(methodOop m) { |
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114 |
if (m->invocation_count() + m->compiled_invocation_count() >= 1 ) { |
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115 |
collected_invoked_methods->push(m); |
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116 |
} |
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} |
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118 |
||
119 |
||
120 |
GrowableArray<methodOop>* collected_profiled_methods; |
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121 |
||
122 |
void collect_profiled_methods(methodOop m) { |
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123 |
methodHandle mh(Thread::current(), m); |
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if ((m->method_data() != NULL) && |
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125 |
(PrintMethodData || CompilerOracle::should_print(mh))) { |
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collected_profiled_methods->push(m); |
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} |
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128 |
} |
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129 |
||
130 |
||
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int compare_methods(methodOop* a, methodOop* b) { |
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// %%% there can be 32-bit overflow here |
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return ((*b)->invocation_count() + (*b)->compiled_invocation_count()) |
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- ((*a)->invocation_count() + (*a)->compiled_invocation_count()); |
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} |
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||
137 |
||
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void print_method_invocation_histogram() { |
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ResourceMark rm; |
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HandleMark hm; |
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collected_invoked_methods = new GrowableArray<methodOop>(1024); |
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SystemDictionary::methods_do(collect_invoked_methods); |
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collected_invoked_methods->sort(&compare_methods); |
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// |
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tty->cr(); |
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tty->print_cr("Histogram Over MethodOop Invocation Counters (cutoff = %d):", MethodHistogramCutoff); |
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tty->cr(); |
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tty->print_cr("____Count_(I+C)____Method________________________Module_________________"); |
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unsigned total = 0, int_total = 0, comp_total = 0, static_total = 0, final_total = 0, |
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synch_total = 0, nativ_total = 0, acces_total = 0; |
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for (int index = 0; index < collected_invoked_methods->length(); index++) { |
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methodOop m = collected_invoked_methods->at(index); |
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int c = m->invocation_count() + m->compiled_invocation_count(); |
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if (c >= MethodHistogramCutoff) m->print_invocation_count(); |
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int_total += m->invocation_count(); |
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comp_total += m->compiled_invocation_count(); |
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if (m->is_final()) final_total += c; |
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if (m->is_static()) static_total += c; |
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if (m->is_synchronized()) synch_total += c; |
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if (m->is_native()) nativ_total += c; |
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if (m->is_accessor()) acces_total += c; |
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} |
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tty->cr(); |
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total = int_total + comp_total; |
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tty->print_cr("Invocations summary:"); |
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tty->print_cr("\t%9d (%4.1f%%) interpreted", int_total, 100.0 * int_total / total); |
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tty->print_cr("\t%9d (%4.1f%%) compiled", comp_total, 100.0 * comp_total / total); |
|
168 |
tty->print_cr("\t%9d (100%%) total", total); |
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tty->print_cr("\t%9d (%4.1f%%) synchronized", synch_total, 100.0 * synch_total / total); |
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tty->print_cr("\t%9d (%4.1f%%) final", final_total, 100.0 * final_total / total); |
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tty->print_cr("\t%9d (%4.1f%%) static", static_total, 100.0 * static_total / total); |
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tty->print_cr("\t%9d (%4.1f%%) native", nativ_total, 100.0 * nativ_total / total); |
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tty->print_cr("\t%9d (%4.1f%%) accessor", acces_total, 100.0 * acces_total / total); |
|
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tty->cr(); |
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175 |
SharedRuntime::print_call_statistics(comp_total); |
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176 |
} |
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177 |
||
178 |
void print_method_profiling_data() { |
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179 |
ResourceMark rm; |
|
180 |
HandleMark hm; |
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181 |
collected_profiled_methods = new GrowableArray<methodOop>(1024); |
|
182 |
SystemDictionary::methods_do(collect_profiled_methods); |
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collected_profiled_methods->sort(&compare_methods); |
|
184 |
||
185 |
int count = collected_profiled_methods->length(); |
|
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if (count > 0) { |
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187 |
for (int index = 0; index < count; index++) { |
|
188 |
methodOop m = collected_profiled_methods->at(index); |
|
189 |
ttyLocker ttyl; |
|
190 |
tty->print_cr("------------------------------------------------------------------------"); |
|
191 |
//m->print_name(tty); |
|
192 |
m->print_invocation_count(); |
|
193 |
tty->cr(); |
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194 |
m->print_codes(); |
|
195 |
} |
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196 |
tty->print_cr("------------------------------------------------------------------------"); |
|
197 |
} |
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198 |
} |
|
199 |
||
200 |
void print_bytecode_count() { |
|
201 |
if (CountBytecodes || TraceBytecodes || StopInterpreterAt) { |
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202 |
tty->print_cr("[BytecodeCounter::counter_value = %d]", BytecodeCounter::counter_value()); |
|
203 |
} |
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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) { |
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217 |
extern Histogram *RuntimeHistogram; |
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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) { |
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234 |
MemProfiler::disengage(); |
|
235 |
} |
|
236 |
||
237 |
if (CITime) { |
|
238 |
CompileBroker::print_times(); |
|
239 |
} |
|
240 |
||
241 |
#ifdef COMPILER1 |
|
242 |
if ((PrintC1Statistics || LogVMOutput || LogCompilation) && UseCompiler) { |
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243 |
FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintC1Statistics); |
|
244 |
Runtime1::print_statistics(); |
|
245 |
Deoptimization::print_statistics(); |
|
246 |
nmethod::print_statistics(); |
|
247 |
} |
|
248 |
#endif /* COMPILER1 */ |
|
249 |
||
250 |
#ifdef COMPILER2 |
|
251 |
if ((PrintOptoStatistics || LogVMOutput || LogCompilation) && UseCompiler) { |
|
252 |
FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintOptoStatistics); |
|
253 |
Compile::print_statistics(); |
|
254 |
#ifndef COMPILER1 |
|
255 |
Deoptimization::print_statistics(); |
|
256 |
nmethod::print_statistics(); |
|
257 |
#endif //COMPILER1 |
|
258 |
SharedRuntime::print_statistics(); |
|
259 |
os::print_statistics(); |
|
260 |
} |
|
261 |
||
262 |
if (PrintLockStatistics || PrintPreciseBiasedLockingStatistics) { |
|
263 |
OptoRuntime::print_named_counters(); |
|
264 |
} |
|
265 |
||
266 |
if (TimeLivenessAnalysis) { |
|
267 |
MethodLiveness::print_times(); |
|
268 |
} |
|
269 |
#ifdef ASSERT |
|
270 |
if (CollectIndexSetStatistics) { |
|
271 |
IndexSet::print_statistics(); |
|
272 |
} |
|
273 |
#endif // ASSERT |
|
274 |
#endif // COMPILER2 |
|
275 |
if (CountCompiledCalls) { |
|
276 |
print_method_invocation_histogram(); |
|
277 |
} |
|
7119 | 278 |
if (ProfileInterpreter COMPILER1_PRESENT(|| C1UpdateMethodData)) { |
1 | 279 |
print_method_profiling_data(); |
280 |
} |
|
281 |
if (TimeCompiler) { |
|
282 |
COMPILER2_PRESENT(Compile::print_timers();) |
|
283 |
} |
|
284 |
if (TimeCompilationPolicy) { |
|
285 |
CompilationPolicy::policy()->print_time(); |
|
286 |
} |
|
287 |
if (TimeOopMap) { |
|
288 |
GenerateOopMap::print_time(); |
|
289 |
} |
|
290 |
if (ProfilerCheckIntervals) { |
|
291 |
PeriodicTask::print_intervals(); |
|
292 |
} |
|
293 |
if (PrintSymbolTableSizeHistogram) { |
|
294 |
SymbolTable::print_histogram(); |
|
295 |
} |
|
296 |
if (CountBytecodes || TraceBytecodes || StopInterpreterAt) { |
|
297 |
BytecodeCounter::print(); |
|
298 |
} |
|
299 |
if (PrintBytecodePairHistogram) { |
|
300 |
BytecodePairHistogram::print(); |
|
301 |
} |
|
302 |
||
303 |
if (PrintCodeCache) { |
|
304 |
MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
|
305 |
CodeCache::print(); |
|
306 |
} |
|
307 |
||
308 |
if (PrintCodeCache2) { |
|
309 |
MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
|
310 |
CodeCache::print_internals(); |
|
311 |
} |
|
312 |
||
313 |
if (PrintClassStatistics) { |
|
314 |
SystemDictionary::print_class_statistics(); |
|
315 |
} |
|
316 |
if (PrintMethodStatistics) { |
|
317 |
SystemDictionary::print_method_statistics(); |
|
318 |
} |
|
319 |
||
320 |
if (PrintVtableStats) { |
|
321 |
klassVtable::print_statistics(); |
|
322 |
klassItable::print_statistics(); |
|
323 |
} |
|
324 |
if (VerifyOops) { |
|
325 |
tty->print_cr("+VerifyOops count: %d", StubRoutines::verify_oop_count()); |
|
326 |
} |
|
327 |
||
328 |
print_bytecode_count(); |
|
8320 | 329 |
if (PrintMallocStatistics) { |
1 | 330 |
tty->print("allocation stats: "); |
331 |
alloc_stats.print(); |
|
332 |
tty->cr(); |
|
333 |
} |
|
334 |
||
335 |
if (PrintSystemDictionaryAtExit) { |
|
336 |
SystemDictionary::print(); |
|
337 |
} |
|
338 |
||
339 |
if (PrintBiasedLockingStatistics) { |
|
340 |
BiasedLocking::print_counters(); |
|
341 |
} |
|
342 |
||
343 |
#ifdef ENABLE_ZAP_DEAD_LOCALS |
|
344 |
#ifdef COMPILER2 |
|
345 |
if (ZapDeadCompiledLocals) { |
|
346 |
tty->print_cr("Compile::CompiledZap_count = %d", Compile::CompiledZap_count); |
|
347 |
tty->print_cr("OptoRuntime::ZapDeadCompiledLocals_count = %d", OptoRuntime::ZapDeadCompiledLocals_count); |
|
348 |
} |
|
349 |
#endif // COMPILER2 |
|
350 |
#endif // ENABLE_ZAP_DEAD_LOCALS |
|
351 |
} |
|
352 |
||
353 |
#else // PRODUCT MODE STATISTICS |
|
354 |
||
355 |
void print_statistics() { |
|
356 |
||
357 |
if (CITime) { |
|
358 |
CompileBroker::print_times(); |
|
359 |
} |
|
360 |
#ifdef COMPILER2 |
|
361 |
if (PrintPreciseBiasedLockingStatistics) { |
|
362 |
OptoRuntime::print_named_counters(); |
|
363 |
} |
|
364 |
#endif |
|
365 |
if (PrintBiasedLockingStatistics) { |
|
366 |
BiasedLocking::print_counters(); |
|
367 |
} |
|
368 |
} |
|
369 |
||
370 |
#endif |
|
371 |
||
372 |
||
373 |
// Helper class for registering on_exit calls through JVM_OnExit |
|
374 |
||
375 |
extern "C" { |
|
376 |
typedef void (*__exit_proc)(void); |
|
377 |
} |
|
378 |
||
379 |
class ExitProc : public CHeapObj { |
|
380 |
private: |
|
381 |
__exit_proc _proc; |
|
382 |
// void (*_proc)(void); |
|
383 |
ExitProc* _next; |
|
384 |
public: |
|
385 |
// ExitProc(void (*proc)(void)) { |
|
386 |
ExitProc(__exit_proc proc) { |
|
387 |
_proc = proc; |
|
388 |
_next = NULL; |
|
389 |
} |
|
390 |
void evaluate() { _proc(); } |
|
391 |
ExitProc* next() const { return _next; } |
|
392 |
void set_next(ExitProc* next) { _next = next; } |
|
393 |
}; |
|
394 |
||
395 |
||
396 |
// Linked list of registered on_exit procedures |
|
397 |
||
398 |
static ExitProc* exit_procs = NULL; |
|
399 |
||
400 |
||
401 |
extern "C" { |
|
402 |
void register_on_exit_function(void (*func)(void)) { |
|
403 |
ExitProc *entry = new ExitProc(func); |
|
404 |
// Classic vm does not throw an exception in case the allocation failed, |
|
405 |
if (entry != NULL) { |
|
406 |
entry->set_next(exit_procs); |
|
407 |
exit_procs = entry; |
|
408 |
} |
|
409 |
} |
|
410 |
} |
|
411 |
||
412 |
// Note: before_exit() can be executed only once, if more than one threads |
|
413 |
// are trying to shutdown the VM at the same time, only one thread |
|
414 |
// can run before_exit() and all other threads must wait. |
|
415 |
void before_exit(JavaThread * thread) { |
|
416 |
#define BEFORE_EXIT_NOT_RUN 0 |
|
417 |
#define BEFORE_EXIT_RUNNING 1 |
|
418 |
#define BEFORE_EXIT_DONE 2 |
|
419 |
static jint volatile _before_exit_status = BEFORE_EXIT_NOT_RUN; |
|
420 |
||
421 |
// Note: don't use a Mutex to guard the entire before_exit(), as |
|
422 |
// JVMTI post_thread_end_event and post_vm_death_event will run native code. |
|
423 |
// A CAS or OSMutex would work just fine but then we need to manipulate |
|
424 |
// thread state for Safepoint. Here we use Monitor wait() and notify_all() |
|
425 |
// for synchronization. |
|
426 |
{ MutexLocker ml(BeforeExit_lock); |
|
427 |
switch (_before_exit_status) { |
|
428 |
case BEFORE_EXIT_NOT_RUN: |
|
429 |
_before_exit_status = BEFORE_EXIT_RUNNING; |
|
430 |
break; |
|
431 |
case BEFORE_EXIT_RUNNING: |
|
432 |
while (_before_exit_status == BEFORE_EXIT_RUNNING) { |
|
433 |
BeforeExit_lock->wait(); |
|
434 |
} |
|
435 |
assert(_before_exit_status == BEFORE_EXIT_DONE, "invalid state"); |
|
436 |
return; |
|
437 |
case BEFORE_EXIT_DONE: |
|
438 |
return; |
|
439 |
} |
|
440 |
} |
|
441 |
||
442 |
// The only difference between this and Win32's _onexit procs is that |
|
443 |
// this version is invoked before any threads get killed. |
|
444 |
ExitProc* current = exit_procs; |
|
445 |
while (current != NULL) { |
|
446 |
ExitProc* next = current->next(); |
|
447 |
current->evaluate(); |
|
448 |
delete current; |
|
449 |
current = next; |
|
450 |
} |
|
451 |
||
452 |
// Hang forever on exit if we're reporting an error. |
|
453 |
if (ShowMessageBoxOnError && is_error_reported()) { |
|
454 |
os::infinite_sleep(); |
|
455 |
} |
|
456 |
||
457 |
// Terminate watcher thread - must before disenrolling any periodic task |
|
6176
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
458 |
if (PeriodicTask::num_tasks() > 0) |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
459 |
WatcherThread::stop(); |
1 | 460 |
|
461 |
// Print statistics gathered (profiling ...) |
|
462 |
if (Arguments::has_profile()) { |
|
463 |
FlatProfiler::disengage(); |
|
464 |
FlatProfiler::print(10); |
|
465 |
} |
|
466 |
||
467 |
// shut down the StatSampler task |
|
468 |
StatSampler::disengage(); |
|
469 |
StatSampler::destroy(); |
|
470 |
||
9992
0d82cce3e655
7051430: CMS: ongoing CMS cycle should terminate abruptly to allow prompt JVM termination at exit
ysr
parents:
8478
diff
changeset
|
471 |
// We do not need to explicitly stop concurrent GC threads because the |
0d82cce3e655
7051430: CMS: ongoing CMS cycle should terminate abruptly to allow prompt JVM termination at exit
ysr
parents:
8478
diff
changeset
|
472 |
// JVM will be taken down at a safepoint when such threads are inactive -- |
0d82cce3e655
7051430: CMS: ongoing CMS cycle should terminate abruptly to allow prompt JVM termination at exit
ysr
parents:
8478
diff
changeset
|
473 |
// except for some concurrent G1 threads, see (comment in) |
0d82cce3e655
7051430: CMS: ongoing CMS cycle should terminate abruptly to allow prompt JVM termination at exit
ysr
parents:
8478
diff
changeset
|
474 |
// Threads::destroy_vm(). |
1 | 475 |
|
476 |
// Print GC/heap related information. |
|
477 |
if (PrintGCDetails) { |
|
478 |
Universe::print(); |
|
479 |
AdaptiveSizePolicyOutput(0); |
|
480 |
} |
|
481 |
||
482 |
||
483 |
if (Arguments::has_alloc_profile()) { |
|
484 |
HandleMark hm; |
|
485 |
// Do one last collection to enumerate all the objects |
|
486 |
// allocated since the last one. |
|
487 |
Universe::heap()->collect(GCCause::_allocation_profiler); |
|
488 |
AllocationProfiler::disengage(); |
|
489 |
AllocationProfiler::print(0); |
|
490 |
} |
|
491 |
||
492 |
if (PrintBytecodeHistogram) { |
|
493 |
BytecodeHistogram::print(); |
|
494 |
} |
|
495 |
||
496 |
if (JvmtiExport::should_post_thread_life()) { |
|
497 |
JvmtiExport::post_thread_end(thread); |
|
498 |
} |
|
499 |
// Always call even when there are not JVMTI environments yet, since environments |
|
500 |
// may be attached late and JVMTI must track phases of VM execution |
|
501 |
JvmtiExport::post_vm_death(); |
|
502 |
Threads::shutdown_vm_agents(); |
|
503 |
||
504 |
// Terminate the signal thread |
|
505 |
// Note: we don't wait until it actually dies. |
|
506 |
os::terminate_signal_thread(); |
|
507 |
||
508 |
print_statistics(); |
|
509 |
Universe::heap()->print_tracing_info(); |
|
510 |
||
511 |
{ MutexLocker ml(BeforeExit_lock); |
|
512 |
_before_exit_status = BEFORE_EXIT_DONE; |
|
513 |
BeforeExit_lock->notify_all(); |
|
514 |
} |
|
515 |
||
516 |
#undef BEFORE_EXIT_NOT_RUN |
|
517 |
#undef BEFORE_EXIT_RUNNING |
|
518 |
#undef BEFORE_EXIT_DONE |
|
519 |
} |
|
520 |
||
521 |
void vm_exit(int code) { |
|
7720
8283870fc280
6583275: Hotspot crash in vm_perform_shutdown_actions due to uninitialized TLS during out of memory handling
coleenp
parents:
7397
diff
changeset
|
522 |
Thread* thread = ThreadLocalStorage::is_initialized() ? |
8283870fc280
6583275: Hotspot crash in vm_perform_shutdown_actions due to uninitialized TLS during out of memory handling
coleenp
parents:
7397
diff
changeset
|
523 |
ThreadLocalStorage::get_thread_slow() : NULL; |
1 | 524 |
if (thread == NULL) { |
525 |
// we have serious problems -- just exit |
|
526 |
vm_direct_exit(code); |
|
527 |
} |
|
528 |
||
529 |
if (VMThread::vm_thread() != NULL) { |
|
530 |
// Fire off a VM_Exit operation to bring VM to a safepoint and exit |
|
531 |
VM_Exit op(code); |
|
532 |
if (thread->is_Java_thread()) |
|
533 |
((JavaThread*)thread)->set_thread_state(_thread_in_vm); |
|
534 |
VMThread::execute(&op); |
|
535 |
// should never reach here; but in case something wrong with VM Thread. |
|
536 |
vm_direct_exit(code); |
|
537 |
} else { |
|
538 |
// VM thread is gone, just exit |
|
539 |
vm_direct_exit(code); |
|
540 |
} |
|
541 |
ShouldNotReachHere(); |
|
542 |
} |
|
543 |
||
544 |
void notify_vm_shutdown() { |
|
545 |
// For now, just a dtrace probe. |
|
546 |
HS_DTRACE_PROBE(hotspot, vm__shutdown); |
|
5542
be05c5ffe905
6951319: enable solaris builds using Sun Studio 12 update 1
jcoomes
parents:
950
diff
changeset
|
547 |
HS_DTRACE_WORKAROUND_TAIL_CALL_BUG(); |
1 | 548 |
} |
549 |
||
550 |
void vm_direct_exit(int code) { |
|
551 |
notify_vm_shutdown(); |
|
8476
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8107
diff
changeset
|
552 |
os::wait_for_keypress_at_exit(); |
1 | 553 |
::exit(code); |
554 |
} |
|
555 |
||
556 |
void vm_perform_shutdown_actions() { |
|
557 |
// Warning: do not call 'exit_globals()' here. All threads are still running. |
|
558 |
// Calling 'exit_globals()' will disable thread-local-storage and cause all |
|
559 |
// kinds of assertions to trigger in debug mode. |
|
560 |
if (is_init_completed()) { |
|
7720
8283870fc280
6583275: Hotspot crash in vm_perform_shutdown_actions due to uninitialized TLS during out of memory handling
coleenp
parents:
7397
diff
changeset
|
561 |
Thread* thread = ThreadLocalStorage::is_initialized() ? |
8283870fc280
6583275: Hotspot crash in vm_perform_shutdown_actions due to uninitialized TLS during out of memory handling
coleenp
parents:
7397
diff
changeset
|
562 |
ThreadLocalStorage::get_thread_slow() : NULL; |
8283870fc280
6583275: Hotspot crash in vm_perform_shutdown_actions due to uninitialized TLS during out of memory handling
coleenp
parents:
7397
diff
changeset
|
563 |
if (thread != NULL && thread->is_Java_thread()) { |
1 | 564 |
// We are leaving the VM, set state to native (in case any OS exit |
565 |
// handlers call back to the VM) |
|
566 |
JavaThread* jt = (JavaThread*)thread; |
|
567 |
// Must always be walkable or have no last_Java_frame when in |
|
568 |
// thread_in_native |
|
569 |
jt->frame_anchor()->make_walkable(jt); |
|
570 |
jt->set_thread_state(_thread_in_native); |
|
571 |
} |
|
572 |
} |
|
573 |
notify_vm_shutdown(); |
|
574 |
} |
|
575 |
||
576 |
void vm_shutdown() |
|
577 |
{ |
|
578 |
vm_perform_shutdown_actions(); |
|
8476
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8107
diff
changeset
|
579 |
os::wait_for_keypress_at_exit(); |
1 | 580 |
os::shutdown(); |
581 |
} |
|
582 |
||
773
01daf7c809b1
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
234
diff
changeset
|
583 |
void vm_abort(bool dump_core) { |
1 | 584 |
vm_perform_shutdown_actions(); |
8476
7e34c2d4cf9b
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
8107
diff
changeset
|
585 |
os::wait_for_keypress_at_exit(); |
773
01daf7c809b1
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
234
diff
changeset
|
586 |
os::abort(dump_core); |
1 | 587 |
ShouldNotReachHere(); |
588 |
} |
|
589 |
||
590 |
void vm_notify_during_shutdown(const char* error, const char* message) { |
|
591 |
if (error != NULL) { |
|
592 |
tty->print_cr("Error occurred during initialization of VM"); |
|
593 |
tty->print("%s", error); |
|
594 |
if (message != NULL) { |
|
595 |
tty->print_cr(": %s", message); |
|
596 |
} |
|
597 |
else { |
|
598 |
tty->cr(); |
|
599 |
} |
|
600 |
} |
|
601 |
if (ShowMessageBoxOnError && WizardMode) { |
|
602 |
fatal("Error occurred during initialization of VM"); |
|
603 |
} |
|
604 |
} |
|
605 |
||
606 |
void vm_exit_during_initialization(Handle exception) { |
|
607 |
tty->print_cr("Error occurred during initialization of VM"); |
|
608 |
// If there are exceptions on this thread it must be cleared |
|
609 |
// first and here. Any future calls to EXCEPTION_MARK requires |
|
610 |
// that no pending exceptions exist. |
|
611 |
Thread *THREAD = Thread::current(); |
|
612 |
if (HAS_PENDING_EXCEPTION) { |
|
613 |
CLEAR_PENDING_EXCEPTION; |
|
614 |
} |
|
615 |
java_lang_Throwable::print(exception, tty); |
|
616 |
tty->cr(); |
|
617 |
java_lang_Throwable::print_stack_trace(exception(), tty); |
|
618 |
tty->cr(); |
|
619 |
vm_notify_during_shutdown(NULL, NULL); |
|
773
01daf7c809b1
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
234
diff
changeset
|
620 |
|
01daf7c809b1
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
234
diff
changeset
|
621 |
// Failure during initialization, we don't want to dump core |
01daf7c809b1
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
234
diff
changeset
|
622 |
vm_abort(false); |
1 | 623 |
} |
624 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7900
diff
changeset
|
625 |
void vm_exit_during_initialization(Symbol* ex, const char* message) { |
1 | 626 |
ResourceMark rm; |
627 |
vm_notify_during_shutdown(ex->as_C_string(), message); |
|
773
01daf7c809b1
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
234
diff
changeset
|
628 |
|
01daf7c809b1
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
234
diff
changeset
|
629 |
// Failure during initialization, we don't want to dump core |
01daf7c809b1
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
234
diff
changeset
|
630 |
vm_abort(false); |
1 | 631 |
} |
632 |
||
633 |
void vm_exit_during_initialization(const char* error, const char* message) { |
|
634 |
vm_notify_during_shutdown(error, message); |
|
773
01daf7c809b1
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
234
diff
changeset
|
635 |
|
01daf7c809b1
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
234
diff
changeset
|
636 |
// Failure during initialization, we don't want to dump core |
01daf7c809b1
6694099: Hotspot vm_exit_out_of_memory should dump core
poonam
parents:
234
diff
changeset
|
637 |
vm_abort(false); |
1 | 638 |
} |
639 |
||
640 |
void vm_shutdown_during_initialization(const char* error, const char* message) { |
|
641 |
vm_notify_during_shutdown(error, message); |
|
642 |
vm_shutdown(); |
|
643 |
} |
|
644 |
||
950 | 645 |
JDK_Version JDK_Version::_current; |
1 | 646 |
|
647 |
void JDK_Version::initialize() { |
|
950 | 648 |
jdk_version_info info; |
649 |
assert(!_current.is_valid(), "Don't initialize twice"); |
|
650 |
||
1 | 651 |
void *lib_handle = os::native_java_library(); |
950 | 652 |
jdk_version_info_fn_t func = CAST_TO_FN_PTR(jdk_version_info_fn_t, |
653 |
os::dll_lookup(lib_handle, "JDK_GetVersionInfo0")); |
|
1 | 654 |
|
655 |
if (func == NULL) { |
|
656 |
// JDK older than 1.6 |
|
950 | 657 |
_current._partially_initialized = true; |
658 |
} else { |
|
659 |
(*func)(&info, sizeof(info)); |
|
1 | 660 |
|
950 | 661 |
int major = JDK_VERSION_MAJOR(info.jdk_version); |
662 |
int minor = JDK_VERSION_MINOR(info.jdk_version); |
|
663 |
int micro = JDK_VERSION_MICRO(info.jdk_version); |
|
664 |
int build = JDK_VERSION_BUILD(info.jdk_version); |
|
665 |
if (major == 1 && minor > 4) { |
|
666 |
// We represent "1.5.0" as "5.0", but 1.4.2 as itself. |
|
667 |
major = minor; |
|
668 |
minor = micro; |
|
669 |
micro = 0; |
|
670 |
} |
|
671 |
_current = JDK_Version(major, minor, micro, info.update_version, |
|
672 |
info.special_update_version, build, |
|
7900
4c7fc6332f7e
6994753: Implement optional hook to a Java method at VM startup.
kevinw
parents:
7720
diff
changeset
|
673 |
info.thread_park_blocker == 1, |
4c7fc6332f7e
6994753: Implement optional hook to a Java method at VM startup.
kevinw
parents:
7720
diff
changeset
|
674 |
info.post_vm_init_hook_enabled == 1); |
1 | 675 |
} |
950 | 676 |
} |
677 |
||
678 |
void JDK_Version::fully_initialize( |
|
679 |
uint8_t major, uint8_t minor, uint8_t micro, uint8_t update) { |
|
680 |
// This is only called when current is less than 1.6 and we've gotten |
|
681 |
// far enough in the initialization to determine the exact version. |
|
682 |
assert(major < 6, "not needed for JDK version >= 6"); |
|
683 |
assert(is_partially_initialized(), "must not initialize"); |
|
684 |
if (major < 5) { |
|
685 |
// JDK verison sequence: 1.2.x, 1.3.x, 1.4.x, 5.0.x, 6.0.x, etc. |
|
686 |
micro = minor; |
|
687 |
minor = major; |
|
688 |
major = 1; |
|
1 | 689 |
} |
950 | 690 |
_current = JDK_Version(major, minor, micro, update); |
1 | 691 |
} |
692 |
||
693 |
void JDK_Version_init() { |
|
694 |
JDK_Version::initialize(); |
|
695 |
} |
|
950 | 696 |
|
697 |
static int64_t encode_jdk_version(const JDK_Version& v) { |
|
698 |
return |
|
699 |
((int64_t)v.major_version() << (BitsPerByte * 5)) | |
|
700 |
((int64_t)v.minor_version() << (BitsPerByte * 4)) | |
|
701 |
((int64_t)v.micro_version() << (BitsPerByte * 3)) | |
|
702 |
((int64_t)v.update_version() << (BitsPerByte * 2)) | |
|
703 |
((int64_t)v.special_update_version() << (BitsPerByte * 1)) | |
|
704 |
((int64_t)v.build_number() << (BitsPerByte * 0)); |
|
705 |
} |
|
706 |
||
707 |
int JDK_Version::compare(const JDK_Version& other) const { |
|
708 |
assert(is_valid() && other.is_valid(), "Invalid version (uninitialized?)"); |
|
709 |
if (!is_partially_initialized() && other.is_partially_initialized()) { |
|
710 |
return -(other.compare(*this)); // flip the comparators |
|
711 |
} |
|
712 |
assert(!other.is_partially_initialized(), "Not initialized yet"); |
|
713 |
if (is_partially_initialized()) { |
|
714 |
assert(other.major_version() >= 6, |
|
715 |
"Invalid JDK version comparison during initialization"); |
|
716 |
return -1; |
|
717 |
} else { |
|
718 |
uint64_t e = encode_jdk_version(*this); |
|
719 |
uint64_t o = encode_jdk_version(other); |
|
720 |
return (e > o) ? 1 : ((e == o) ? 0 : -1); |
|
721 |
} |
|
722 |
} |
|
723 |
||
724 |
void JDK_Version::to_string(char* buffer, size_t buflen) const { |
|
725 |
size_t index = 0; |
|
726 |
if (!is_valid()) { |
|
727 |
jio_snprintf(buffer, buflen, "%s", "(uninitialized)"); |
|
728 |
} else if (is_partially_initialized()) { |
|
729 |
jio_snprintf(buffer, buflen, "%s", "(uninitialized) pre-1.6.0"); |
|
730 |
} else { |
|
731 |
index += jio_snprintf( |
|
732 |
&buffer[index], buflen - index, "%d.%d", _major, _minor); |
|
733 |
if (_micro > 0) { |
|
734 |
index += jio_snprintf(&buffer[index], buflen - index, ".%d", _micro); |
|
735 |
} |
|
736 |
if (_update > 0) { |
|
737 |
index += jio_snprintf(&buffer[index], buflen - index, "_%02d", _update); |
|
738 |
} |
|
739 |
if (_special > 0) { |
|
740 |
index += jio_snprintf(&buffer[index], buflen - index, "%c", _special); |
|
741 |
} |
|
742 |
if (_build > 0) { |
|
743 |
index += jio_snprintf(&buffer[index], buflen - index, "-b%02d", _build); |
|
744 |
} |
|
745 |
} |
|
746 |
} |