Mercurial > hg > graal-compiler
view src/share/vm/runtime/java.cpp @ 61:5a76ab815e34
6667833: Remove CacheTimeMillis
Summary: Remove -XX:+CacheTimeMillis option and associated functionality
Reviewed-by: acorn, never
author | sbohne |
---|---|
date | Wed, 19 Mar 2008 09:58:01 -0400 |
parents | a61af66fc99e |
children | d1605aabd0a1 8d852b81e775 |
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/* * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ #include "incls/_precompiled.incl" #include "incls/_java.cpp.incl" HS_DTRACE_PROBE_DECL(hotspot, vm__shutdown); #ifndef PRODUCT // Statistics printing (method invocation histogram) GrowableArray<methodOop>* collected_invoked_methods; void collect_invoked_methods(methodOop m) { if (m->invocation_count() + m->compiled_invocation_count() >= 1 ) { collected_invoked_methods->push(m); } } GrowableArray<methodOop>* collected_profiled_methods; void collect_profiled_methods(methodOop m) { methodHandle mh(Thread::current(), m); if ((m->method_data() != NULL) && (PrintMethodData || CompilerOracle::should_print(mh))) { collected_profiled_methods->push(m); } } int compare_methods(methodOop* a, methodOop* b) { // %%% there can be 32-bit overflow here return ((*b)->invocation_count() + (*b)->compiled_invocation_count()) - ((*a)->invocation_count() + (*a)->compiled_invocation_count()); } void print_method_invocation_histogram() { ResourceMark rm; HandleMark hm; collected_invoked_methods = new GrowableArray<methodOop>(1024); SystemDictionary::methods_do(collect_invoked_methods); collected_invoked_methods->sort(&compare_methods); // tty->cr(); tty->print_cr("Histogram Over MethodOop Invocation Counters (cutoff = %d):", MethodHistogramCutoff); tty->cr(); tty->print_cr("____Count_(I+C)____Method________________________Module_________________"); unsigned total = 0, int_total = 0, comp_total = 0, static_total = 0, final_total = 0, synch_total = 0, nativ_total = 0, acces_total = 0; for (int index = 0; index < collected_invoked_methods->length(); index++) { methodOop m = collected_invoked_methods->at(index); int c = m->invocation_count() + m->compiled_invocation_count(); if (c >= MethodHistogramCutoff) m->print_invocation_count(); int_total += m->invocation_count(); comp_total += m->compiled_invocation_count(); if (m->is_final()) final_total += c; if (m->is_static()) static_total += c; if (m->is_synchronized()) synch_total += c; if (m->is_native()) nativ_total += c; if (m->is_accessor()) acces_total += c; } tty->cr(); total = int_total + comp_total; tty->print_cr("Invocations summary:"); tty->print_cr("\t%9d (%4.1f%%) interpreted", int_total, 100.0 * int_total / total); tty->print_cr("\t%9d (%4.1f%%) compiled", comp_total, 100.0 * comp_total / total); tty->print_cr("\t%9d (100%%) total", total); tty->print_cr("\t%9d (%4.1f%%) synchronized", synch_total, 100.0 * synch_total / total); tty->print_cr("\t%9d (%4.1f%%) final", final_total, 100.0 * final_total / total); tty->print_cr("\t%9d (%4.1f%%) static", static_total, 100.0 * static_total / total); tty->print_cr("\t%9d (%4.1f%%) native", nativ_total, 100.0 * nativ_total / total); tty->print_cr("\t%9d (%4.1f%%) accessor", acces_total, 100.0 * acces_total / total); tty->cr(); SharedRuntime::print_call_statistics(comp_total); } void print_method_profiling_data() { ResourceMark rm; HandleMark hm; collected_profiled_methods = new GrowableArray<methodOop>(1024); SystemDictionary::methods_do(collect_profiled_methods); collected_profiled_methods->sort(&compare_methods); int count = collected_profiled_methods->length(); if (count > 0) { for (int index = 0; index < count; index++) { methodOop m = collected_profiled_methods->at(index); ttyLocker ttyl; tty->print_cr("------------------------------------------------------------------------"); //m->print_name(tty); m->print_invocation_count(); tty->cr(); m->print_codes(); } tty->print_cr("------------------------------------------------------------------------"); } } void print_bytecode_count() { if (CountBytecodes || TraceBytecodes || StopInterpreterAt) { tty->print_cr("[BytecodeCounter::counter_value = %d]", BytecodeCounter::counter_value()); } } AllocStats alloc_stats; // General statistics printing (profiling ...) void print_statistics() { #ifdef ASSERT if (CountRuntimeCalls) { extern Histogram *RuntimeHistogram; RuntimeHistogram->print(); } if (CountJNICalls) { extern Histogram *JNIHistogram; JNIHistogram->print(); } if (CountJVMCalls) { extern Histogram *JVMHistogram; JVMHistogram->print(); } #endif if (MemProfiling) { MemProfiler::disengage(); } if (CITime) { CompileBroker::print_times(); } #ifdef COMPILER1 if ((PrintC1Statistics || LogVMOutput || LogCompilation) && UseCompiler) { FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintC1Statistics); Runtime1::print_statistics(); Deoptimization::print_statistics(); nmethod::print_statistics(); } #endif /* COMPILER1 */ #ifdef COMPILER2 if ((PrintOptoStatistics || LogVMOutput || LogCompilation) && UseCompiler) { FlagSetting fs(DisplayVMOutput, DisplayVMOutput && PrintOptoStatistics); Compile::print_statistics(); #ifndef COMPILER1 Deoptimization::print_statistics(); nmethod::print_statistics(); #endif //COMPILER1 SharedRuntime::print_statistics(); os::print_statistics(); } if (PrintLockStatistics || PrintPreciseBiasedLockingStatistics) { OptoRuntime::print_named_counters(); } if (TimeLivenessAnalysis) { MethodLiveness::print_times(); } #ifdef ASSERT if (CollectIndexSetStatistics) { IndexSet::print_statistics(); } #endif // ASSERT #endif // COMPILER2 if (CountCompiledCalls) { print_method_invocation_histogram(); } if (ProfileInterpreter || Tier1UpdateMethodData) { print_method_profiling_data(); } if (TimeCompiler) { COMPILER2_PRESENT(Compile::print_timers();) } if (TimeCompilationPolicy) { CompilationPolicy::policy()->print_time(); } if (TimeOopMap) { GenerateOopMap::print_time(); } if (ProfilerCheckIntervals) { PeriodicTask::print_intervals(); } if (PrintSymbolTableSizeHistogram) { SymbolTable::print_histogram(); } if (CountBytecodes || TraceBytecodes || StopInterpreterAt) { BytecodeCounter::print(); } if (PrintBytecodePairHistogram) { BytecodePairHistogram::print(); } if (PrintCodeCache) { MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); CodeCache::print(); } if (PrintCodeCache2) { MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); CodeCache::print_internals(); } if (PrintClassStatistics) { SystemDictionary::print_class_statistics(); } if (PrintMethodStatistics) { SystemDictionary::print_method_statistics(); } if (PrintVtableStats) { klassVtable::print_statistics(); klassItable::print_statistics(); } if (VerifyOops) { tty->print_cr("+VerifyOops count: %d", StubRoutines::verify_oop_count()); } print_bytecode_count(); if (WizardMode) { tty->print("allocation stats: "); alloc_stats.print(); tty->cr(); } if (PrintSystemDictionaryAtExit) { SystemDictionary::print(); } if (PrintBiasedLockingStatistics) { BiasedLocking::print_counters(); } #ifdef ENABLE_ZAP_DEAD_LOCALS #ifdef COMPILER2 if (ZapDeadCompiledLocals) { tty->print_cr("Compile::CompiledZap_count = %d", Compile::CompiledZap_count); tty->print_cr("OptoRuntime::ZapDeadCompiledLocals_count = %d", OptoRuntime::ZapDeadCompiledLocals_count); } #endif // COMPILER2 #endif // ENABLE_ZAP_DEAD_LOCALS } #else // PRODUCT MODE STATISTICS void print_statistics() { if (CITime) { CompileBroker::print_times(); } #ifdef COMPILER2 if (PrintPreciseBiasedLockingStatistics) { OptoRuntime::print_named_counters(); } #endif if (PrintBiasedLockingStatistics) { BiasedLocking::print_counters(); } } #endif // Helper class for registering on_exit calls through JVM_OnExit extern "C" { typedef void (*__exit_proc)(void); } class ExitProc : public CHeapObj { private: __exit_proc _proc; // void (*_proc)(void); ExitProc* _next; public: // ExitProc(void (*proc)(void)) { ExitProc(__exit_proc proc) { _proc = proc; _next = NULL; } void evaluate() { _proc(); } ExitProc* next() const { return _next; } void set_next(ExitProc* next) { _next = next; } }; // Linked list of registered on_exit procedures static ExitProc* exit_procs = NULL; extern "C" { void register_on_exit_function(void (*func)(void)) { ExitProc *entry = new ExitProc(func); // Classic vm does not throw an exception in case the allocation failed, if (entry != NULL) { entry->set_next(exit_procs); exit_procs = entry; } } } // Note: before_exit() can be executed only once, if more than one threads // are trying to shutdown the VM at the same time, only one thread // can run before_exit() and all other threads must wait. void before_exit(JavaThread * thread) { #define BEFORE_EXIT_NOT_RUN 0 #define BEFORE_EXIT_RUNNING 1 #define BEFORE_EXIT_DONE 2 static jint volatile _before_exit_status = BEFORE_EXIT_NOT_RUN; // Note: don't use a Mutex to guard the entire before_exit(), as // JVMTI post_thread_end_event and post_vm_death_event will run native code. // A CAS or OSMutex would work just fine but then we need to manipulate // thread state for Safepoint. Here we use Monitor wait() and notify_all() // for synchronization. { MutexLocker ml(BeforeExit_lock); switch (_before_exit_status) { case BEFORE_EXIT_NOT_RUN: _before_exit_status = BEFORE_EXIT_RUNNING; break; case BEFORE_EXIT_RUNNING: while (_before_exit_status == BEFORE_EXIT_RUNNING) { BeforeExit_lock->wait(); } assert(_before_exit_status == BEFORE_EXIT_DONE, "invalid state"); return; case BEFORE_EXIT_DONE: return; } } // The only difference between this and Win32's _onexit procs is that // this version is invoked before any threads get killed. ExitProc* current = exit_procs; while (current != NULL) { ExitProc* next = current->next(); current->evaluate(); delete current; current = next; } // Hang forever on exit if we're reporting an error. if (ShowMessageBoxOnError && is_error_reported()) { os::infinite_sleep(); } // Terminate watcher thread - must before disenrolling any periodic task WatcherThread::stop(); // Print statistics gathered (profiling ...) if (Arguments::has_profile()) { FlatProfiler::disengage(); FlatProfiler::print(10); } // shut down the StatSampler task StatSampler::disengage(); StatSampler::destroy(); #ifndef SERIALGC // stop CMS threads if (UseConcMarkSweepGC) { ConcurrentMarkSweepThread::stop(); } #endif // SERIALGC // Print GC/heap related information. if (PrintGCDetails) { Universe::print(); AdaptiveSizePolicyOutput(0); } if (Arguments::has_alloc_profile()) { HandleMark hm; // Do one last collection to enumerate all the objects // allocated since the last one. Universe::heap()->collect(GCCause::_allocation_profiler); AllocationProfiler::disengage(); AllocationProfiler::print(0); } if (PrintBytecodeHistogram) { BytecodeHistogram::print(); } if (JvmtiExport::should_post_thread_life()) { JvmtiExport::post_thread_end(thread); } // Always call even when there are not JVMTI environments yet, since environments // may be attached late and JVMTI must track phases of VM execution JvmtiExport::post_vm_death(); Threads::shutdown_vm_agents(); // Terminate the signal thread // Note: we don't wait until it actually dies. os::terminate_signal_thread(); print_statistics(); Universe::heap()->print_tracing_info(); VTune::exit(); { MutexLocker ml(BeforeExit_lock); _before_exit_status = BEFORE_EXIT_DONE; BeforeExit_lock->notify_all(); } #undef BEFORE_EXIT_NOT_RUN #undef BEFORE_EXIT_RUNNING #undef BEFORE_EXIT_DONE } void vm_exit(int code) { Thread* thread = ThreadLocalStorage::thread_index() == -1 ? NULL : ThreadLocalStorage::get_thread_slow(); if (thread == NULL) { // we have serious problems -- just exit vm_direct_exit(code); } if (VMThread::vm_thread() != NULL) { // Fire off a VM_Exit operation to bring VM to a safepoint and exit VM_Exit op(code); if (thread->is_Java_thread()) ((JavaThread*)thread)->set_thread_state(_thread_in_vm); VMThread::execute(&op); // should never reach here; but in case something wrong with VM Thread. vm_direct_exit(code); } else { // VM thread is gone, just exit vm_direct_exit(code); } ShouldNotReachHere(); } void notify_vm_shutdown() { // For now, just a dtrace probe. HS_DTRACE_PROBE(hotspot, vm__shutdown); } void vm_direct_exit(int code) { notify_vm_shutdown(); ::exit(code); } void vm_perform_shutdown_actions() { // Warning: do not call 'exit_globals()' here. All threads are still running. // Calling 'exit_globals()' will disable thread-local-storage and cause all // kinds of assertions to trigger in debug mode. if (is_init_completed()) { Thread* thread = Thread::current(); if (thread->is_Java_thread()) { // We are leaving the VM, set state to native (in case any OS exit // handlers call back to the VM) JavaThread* jt = (JavaThread*)thread; // Must always be walkable or have no last_Java_frame when in // thread_in_native jt->frame_anchor()->make_walkable(jt); jt->set_thread_state(_thread_in_native); } } notify_vm_shutdown(); } void vm_shutdown() { vm_perform_shutdown_actions(); os::shutdown(); } void vm_abort() { vm_perform_shutdown_actions(); os::abort(PRODUCT_ONLY(false)); ShouldNotReachHere(); } void vm_notify_during_shutdown(const char* error, const char* message) { if (error != NULL) { tty->print_cr("Error occurred during initialization of VM"); tty->print("%s", error); if (message != NULL) { tty->print_cr(": %s", message); } else { tty->cr(); } } if (ShowMessageBoxOnError && WizardMode) { fatal("Error occurred during initialization of VM"); } } void vm_exit_during_initialization(Handle exception) { tty->print_cr("Error occurred during initialization of VM"); // If there are exceptions on this thread it must be cleared // first and here. Any future calls to EXCEPTION_MARK requires // that no pending exceptions exist. Thread *THREAD = Thread::current(); if (HAS_PENDING_EXCEPTION) { CLEAR_PENDING_EXCEPTION; } java_lang_Throwable::print(exception, tty); tty->cr(); java_lang_Throwable::print_stack_trace(exception(), tty); tty->cr(); vm_notify_during_shutdown(NULL, NULL); vm_abort(); } void vm_exit_during_initialization(symbolHandle ex, const char* message) { ResourceMark rm; vm_notify_during_shutdown(ex->as_C_string(), message); vm_abort(); } void vm_exit_during_initialization(const char* error, const char* message) { vm_notify_during_shutdown(error, message); vm_abort(); } void vm_shutdown_during_initialization(const char* error, const char* message) { vm_notify_during_shutdown(error, message); vm_shutdown(); } jdk_version_info JDK_Version::_version_info = {0}; bool JDK_Version::_pre_jdk16_version = false; int JDK_Version::_jdk_version = 0; void JDK_Version::initialize() { void *lib_handle = os::native_java_library(); jdk_version_info_fn_t func = CAST_TO_FN_PTR(jdk_version_info_fn_t, hpi::dll_lookup(lib_handle, "JDK_GetVersionInfo0")); if (func == NULL) { // JDK older than 1.6 _pre_jdk16_version = true; return; } if (func != NULL) { (*func)(&_version_info, sizeof(_version_info)); } if (jdk_major_version() == 1) { _jdk_version = jdk_minor_version(); } else { // If the release version string is changed to n.x.x (e.g. 7.0.0) in a future release _jdk_version = jdk_major_version(); } } void JDK_Version_init() { JDK_Version::initialize(); }