Mercurial > jdk8-mips64-public > hotspot / file revision

 /*

  * Copyright (c) 2012, 2018, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

  * or visit www.oracle.com if you need additional information or have any

  * questions.

  *

  */

 #include "precompiled.hpp"

 #include "jvm.h"

 #include "classfile/classLoaderStats.hpp"

 #include "classfile/javaClasses.hpp"

 #include "code/codeCache.hpp"

 #include "compiler/compileBroker.hpp"

 #include "gc_implementation/g1/g1HeapRegionEventSender.hpp"

 #include "gc_implementation/shared/gcConfiguration.hpp"

 #include "gc_implementation/shared/gcTrace.hpp"

 #include "gc_implementation/shared/objectCountEventSender.hpp"

 #include "gc_implementation/shared/vmGCOperations.hpp"

 #include "jfr/jfrEvents.hpp"

 #include "jfr/periodic/jfrOSInterface.hpp"

 #include "jfr/periodic/jfrThreadCPULoadEvent.hpp"

 #include "jfr/periodic/jfrThreadDumpEvent.hpp"

 #include "jfr/periodic/jfrNetworkUtilization.hpp"

 #include "jfr/recorder/jfrRecorder.hpp"

 #include "jfr/support/jfrThreadId.hpp"

 #include "jfr/utilities/jfrTime.hpp"

 #include "jfrfiles/jfrPeriodic.hpp"

 #include "memory/heapInspection.hpp"

 #include "memory/resourceArea.hpp"

 #include "oops/oop.inline.hpp"

 #include "runtime/arguments.hpp"

 #include "runtime/globals.hpp"

 #include "runtime/os.hpp"

 #include "runtime/os_perf.hpp"

 #include "runtime/thread.inline.hpp"

 #include "runtime/sweeper.hpp"

 #include "runtime/vmThread.hpp"

 #include "services/classLoadingService.hpp"

 #include "services/management.hpp"

 #include "services/threadService.hpp"

 #include "utilities/exceptions.hpp"

 #include "utilities/globalDefinitions.hpp"

 /**

  *  JfrPeriodic class

  *  Implementation of declarations in

  *  xsl generated traceRequestables.hpp

  */

 #define TRACE_REQUEST_FUNC(id)    void JfrPeriodicEventSet::request##id(void)

 TRACE_REQUEST_FUNC(JVMInformation) {

   ResourceMark rm;

   EventJVMInformation event;

   event.set_jvmName(VM_Version::vm_name());

   event.set_jvmVersion(VM_Version::internal_vm_info_string());

   event.set_javaArguments(Arguments::java_command());

   event.set_jvmArguments(Arguments::jvm_args());

   event.set_jvmFlags(Arguments::jvm_flags());

   event.set_jvmStartTime(Management::vm_init_done_time());

   event.commit();

  }

 TRACE_REQUEST_FUNC(OSInformation) {

   ResourceMark rm;

   char* os_name = NEW_RESOURCE_ARRAY(char, 2048);

   JfrOSInterface::os_version(&os_name);

   EventOSInformation event;

   event.set_osVersion(os_name);

   event.commit();

 }

 /*

  * This is left empty on purpose, having ExecutionSample as a requestable

  * is a way of getting the period. The period is passed to ThreadSampling::update_period.

  * Implementation in jfrSamples.cpp

  */

 TRACE_REQUEST_FUNC(ExecutionSample) {

 }

 TRACE_REQUEST_FUNC(NativeMethodSample) {

 }

 TRACE_REQUEST_FUNC(ThreadDump) {

   ResourceMark rm;

   EventThreadDump event;

   event.set_result(JfrDcmdEvent::thread_dump());

   event.commit();

 }

 static int _native_library_callback(const char* name, address base, address top, void *param) {

   EventNativeLibrary event(UNTIMED);

   event.set_name(name);

   event.set_baseAddress((u8)base);

   event.set_topAddress((u8)top);

   event.set_endtime(*(JfrTicks*) param);

   event.commit();

   return 0;

 }

 TRACE_REQUEST_FUNC(NativeLibrary) {

   JfrTicks ts= JfrTicks::now();

   os::get_loaded_modules_info(&_native_library_callback, (void *)&ts);

 }

 TRACE_REQUEST_FUNC(InitialEnvironmentVariable) {

   JfrOSInterface::generate_initial_environment_variable_events();

 }

 TRACE_REQUEST_FUNC(CPUInformation) {

   CPUInformation cpu_info;

   int ret_val = JfrOSInterface::cpu_information(cpu_info);

   if (ret_val == OS_ERR) {

     if (LogJFR) tty->print_cr( "Unable to generate requestable event CPUInformation");

     return;

   }

   if (ret_val == FUNCTIONALITY_NOT_IMPLEMENTED) {

      return;

   }

   if (ret_val == OS_OK) {

     EventCPUInformation event;

     event.set_cpu(cpu_info.cpu_name());

     event.set_description(cpu_info.cpu_description());

     event.set_sockets(cpu_info.number_of_sockets());

     event.set_cores(cpu_info.number_of_cores());

     event.set_hwThreads(cpu_info.number_of_hardware_threads());

     event.commit();

   }

 }

 TRACE_REQUEST_FUNC(CPULoad) {

   double u = 0; // user time

   double s = 0; // kernel time

   double t = 0; // total time

   int ret_val = JfrOSInterface::cpu_loads_process(&u, &s, &t);

   if (ret_val == OS_ERR) {

     if (LogJFR) tty->print_cr( "Unable to generate requestable event CPULoad");

     return;

   }

   if (ret_val == OS_OK) {

     EventCPULoad event;

     event.set_jvmUser((float)u);

     event.set_jvmSystem((float)s);

     event.set_machineTotal((float)t);

     event.commit();

   }

 }

 TRACE_REQUEST_FUNC(ThreadCPULoad) {

   JfrThreadCPULoadEvent::send_events();

 }

 TRACE_REQUEST_FUNC(NetworkUtilization) {

   JfrNetworkUtilization::send_events();

 }

 TRACE_REQUEST_FUNC(CPUTimeStampCounter) {

   EventCPUTimeStampCounter event;

   event.set_fastTimeEnabled(JfrTime::is_ft_enabled());

   event.set_fastTimeAutoEnabled(JfrTime::is_ft_supported());

   event.set_osFrequency(os::elapsed_frequency());

   event.set_fastTimeFrequency(JfrTime::frequency());

   event.commit();

 }

 TRACE_REQUEST_FUNC(SystemProcess) {

   char pid_buf[16];

   SystemProcess* processes = NULL;

   int num_of_processes = 0;

   JfrTicks start_time = JfrTicks::now();

   int ret_val = JfrOSInterface::system_processes(&processes, &num_of_processes);

   if (ret_val == OS_ERR) {

     if (LogJFR) tty->print_cr( "Unable to generate requestable event SystemProcesses");

     return;

   }

   JfrTicks end_time = JfrTicks::now();

   if (ret_val == FUNCTIONALITY_NOT_IMPLEMENTED) {

     return;

   }

   if (ret_val == OS_OK) {

     // feature is implemented, write real event

     while (processes != NULL) {

       SystemProcess* tmp = processes;

       const char* info = processes->command_line();

       if (info == NULL) {

          info = processes->path();

       }

       if (info == NULL) {

          info = processes->name();

       }

       if (info == NULL) {

          info = "?";

       }

       jio_snprintf(pid_buf, sizeof(pid_buf), "%d", processes->pid());

       EventSystemProcess event(UNTIMED);

       event.set_pid(pid_buf);

       event.set_commandLine(info);

       event.set_starttime(start_time);

       event.set_endtime(end_time);

       event.commit();

       processes = processes->next();

       delete tmp;

     }

   }

 }

 TRACE_REQUEST_FUNC(ThreadContextSwitchRate) {

   double rate = 0.0;

   int ret_val = JfrOSInterface::context_switch_rate(&rate);

   if (ret_val == OS_ERR) {

     if (LogJFR) tty->print_cr( "Unable to generate requestable event ThreadContextSwitchRate");

     return;

   }

   if (ret_val == FUNCTIONALITY_NOT_IMPLEMENTED) {

     return;

   }

   if (ret_val == OS_OK) {

     EventThreadContextSwitchRate event;

     event.set_switchRate((float)rate + 0.0f);

     event.commit();

   }

 }

 #define SEND_FLAGS_OF_TYPE(eventType, flagType)                   \

   do {                                                            \

     Flag *flag = Flag::flags;                                     \

     while (flag->_name != NULL) {                                 \

       if (flag->is_ ## flagType()) {                              \

         if (flag->is_unlocked()) {                                \

           Event ## eventType event;                               \

           event.set_name(flag->_name);                            \

           event.set_value(flag->get_ ## flagType());              \

           event.set_origin(flag->get_origin());                   \

           event.commit();                                         \

         }                                                         \

       }                                                           \

       ++flag;                                                     \

     }                                                             \

   } while (0)

 TRACE_REQUEST_FUNC(IntFlag) {

   SEND_FLAGS_OF_TYPE(IntFlag, intx);

 }

 TRACE_REQUEST_FUNC(UnsignedIntFlag) {

   SEND_FLAGS_OF_TYPE(UnsignedIntFlag, uintx);

 }

 TRACE_REQUEST_FUNC(LongFlag) {

   SEND_FLAGS_OF_TYPE(LongFlag, intx);

 }

 TRACE_REQUEST_FUNC(UnsignedLongFlag) {

   SEND_FLAGS_OF_TYPE(UnsignedLongFlag, uintx);

   SEND_FLAGS_OF_TYPE(UnsignedLongFlag, uint64_t);

 }

 TRACE_REQUEST_FUNC(DoubleFlag) {

   SEND_FLAGS_OF_TYPE(DoubleFlag, double);

 }

 TRACE_REQUEST_FUNC(BooleanFlag) {

   SEND_FLAGS_OF_TYPE(BooleanFlag, bool);

 }

 TRACE_REQUEST_FUNC(StringFlag) {

   SEND_FLAGS_OF_TYPE(StringFlag, ccstr);

 }

 class VM_GC_SendObjectCountEvent : public VM_GC_HeapInspection {

  public:

   VM_GC_SendObjectCountEvent() : VM_GC_HeapInspection(NULL, true) {}

   virtual void doit() {

     ObjectCountEventSender::enable_requestable_event();

     collect();

     ObjectCountEventSender::disable_requestable_event();

   }

 };

 TRACE_REQUEST_FUNC(ObjectCount) {

   VM_GC_SendObjectCountEvent op;

   VMThread::execute(&op);

 }

 class VM_G1SendHeapRegionInfoEvents : public VM_Operation {

   virtual void doit() {

     G1HeapRegionEventSender::send_events();

   }

   virtual VMOp_Type type() const { return VMOp_HeapIterateOperation; }

 };

 TRACE_REQUEST_FUNC(G1HeapRegionInformation) {

   if (UseG1GC) {

     VM_G1SendHeapRegionInfoEvents op;

     VMThread::execute(&op);

   }

 }

 // Java Mission Control (JMC) uses (Java) Long.MIN_VALUE to describe that a

 // long value is undefined.

 static jlong jmc_undefined_long = min_jlong;

 TRACE_REQUEST_FUNC(GCConfiguration) {

   GCConfiguration conf;

   jlong pause_target = conf.has_pause_target_default_value() ? jmc_undefined_long : conf.pause_target();

   EventGCConfiguration event;

   event.set_youngCollector(conf.young_collector());

   event.set_oldCollector(conf.old_collector());

   event.set_parallelGCThreads(conf.num_parallel_gc_threads());

   event.set_concurrentGCThreads(conf.num_concurrent_gc_threads());

   event.set_usesDynamicGCThreads(conf.uses_dynamic_gc_threads());

   event.set_isExplicitGCConcurrent(conf.is_explicit_gc_concurrent());

   event.set_isExplicitGCDisabled(conf.is_explicit_gc_disabled());

   event.set_gcTimeRatio(conf.gc_time_ratio());

   event.set_pauseTarget((s8)pause_target);

   event.commit();

 }

 TRACE_REQUEST_FUNC(GCTLABConfiguration) {

   GCTLABConfiguration conf;

   EventGCTLABConfiguration event;

   event.set_usesTLABs(conf.uses_tlabs());

   event.set_minTLABSize(conf.min_tlab_size());

   event.set_tlabRefillWasteLimit(conf.tlab_refill_waste_limit());

   event.commit();

 }

 TRACE_REQUEST_FUNC(GCSurvivorConfiguration) {

   GCSurvivorConfiguration conf;

   EventGCSurvivorConfiguration event;

   event.set_maxTenuringThreshold(conf.max_tenuring_threshold());

   event.set_initialTenuringThreshold(conf.initial_tenuring_threshold());

   event.commit();

 }

 TRACE_REQUEST_FUNC(GCHeapConfiguration) {

   GCHeapConfiguration conf;

   EventGCHeapConfiguration event;

   event.set_minSize(conf.min_size());

   event.set_maxSize(conf.max_size());

   event.set_initialSize(conf.initial_size());

   event.set_usesCompressedOops(conf.uses_compressed_oops());

   event.set_compressedOopsMode(conf.narrow_oop_mode());

   event.set_objectAlignment(conf.object_alignment_in_bytes());

   event.set_heapAddressBits(conf.heap_address_size_in_bits());

   event.commit();

 }

 TRACE_REQUEST_FUNC(YoungGenerationConfiguration) {

   GCYoungGenerationConfiguration conf;

   jlong max_size = conf.has_max_size_default_value() ? jmc_undefined_long : conf.max_size();

   EventYoungGenerationConfiguration event;

   event.set_maxSize((u8)max_size);

   event.set_minSize(conf.min_size());

   event.set_newRatio(conf.new_ratio());

   event.commit();

 }

 TRACE_REQUEST_FUNC(InitialSystemProperty) {

   SystemProperty* p = Arguments::system_properties();

   JfrTicks time_stamp = JfrTicks::now();

   while (p !=  NULL) {

     if (true/* XXX fix me if you want !p->internal()*/) {

       EventInitialSystemProperty event(UNTIMED);

       event.set_key(p->key());

       event.set_value(p->value());

       event.set_endtime(time_stamp);

       event.commit();

     }

     p = p->next();

   }

 }

 TRACE_REQUEST_FUNC(ThreadAllocationStatistics) {

   ResourceMark rm;

   int initial_size = Threads::number_of_threads();

   GrowableArray<jlong> allocated(initial_size);

   GrowableArray<traceid> thread_ids(initial_size);

   JfrTicks time_stamp = JfrTicks::now();

   {

     // Collect allocation statistics while holding threads lock

     MutexLockerEx ml(Threads_lock);

     for (JavaThread *thread = Threads::first(); thread != NULL; thread = thread->next()) {

       allocated.append(thread->cooked_allocated_bytes());

       thread_ids.append(JFR_THREAD_ID(thread));

     }

   }

   // Write allocation statistics to buffer.

   for(int i = 0; i < thread_ids.length(); i++) {

     EventThreadAllocationStatistics event(UNTIMED);

     event.set_allocated(allocated.at(i));

     event.set_thread(thread_ids.at(i));

     event.set_endtime(time_stamp);

     event.commit();

   }

 }

 /**

  *  PhysicalMemory event represents:

  *

  *  @totalSize == The amount of physical memory (hw) installed and reported by the OS, in bytes.

  *  @usedSize  == The amount of physical memory currently in use in the system (reserved/committed), in bytes.

  *

  *  Both fields are systemwide, i.e. represents the entire OS/HW environment.

  *  These fields do not include virtual memory.

  *

  *  If running inside a guest OS on top of a hypervisor in a virtualized environment,

  *  the total memory reported is the amount of memory configured for the guest OS by the hypervisor.

  */

 TRACE_REQUEST_FUNC(PhysicalMemory) {

   u8 totalPhysicalMemory = os::physical_memory();

   EventPhysicalMemory event;

   event.set_totalSize(totalPhysicalMemory);

   event.set_usedSize(totalPhysicalMemory - os::available_memory());

   event.commit();

 }

 TRACE_REQUEST_FUNC(JavaThreadStatistics) {

   EventJavaThreadStatistics event;

   event.set_activeCount(ThreadService::get_live_thread_count());

   event.set_daemonCount(ThreadService::get_daemon_thread_count());

   event.set_accumulatedCount(ThreadService::get_total_thread_count());

   event.set_peakCount(ThreadService::get_peak_thread_count());

   event.commit();

 }

 TRACE_REQUEST_FUNC(ClassLoadingStatistics) {

   EventClassLoadingStatistics event;

   event.set_loadedClassCount(ClassLoadingService::loaded_class_count());

   event.set_unloadedClassCount(ClassLoadingService::unloaded_class_count());

   event.commit();

 }

 class JfrClassLoaderStatsClosure : public ClassLoaderStatsClosure {

 public:

   JfrClassLoaderStatsClosure() : ClassLoaderStatsClosure(NULL) {}

   bool do_entry(oop const& key, ClassLoaderStats* const& cls) {

     const ClassLoaderData* this_cld = cls->_class_loader != NULL ?

       java_lang_ClassLoader::loader_data(cls->_class_loader) : (ClassLoaderData*)NULL;

     const ClassLoaderData* parent_cld = cls->_parent != NULL ?

       java_lang_ClassLoader::loader_data(cls->_parent) : (ClassLoaderData*)NULL;

     EventClassLoaderStatistics event;

     event.set_classLoader(this_cld);

     event.set_parentClassLoader(parent_cld);

     event.set_classLoaderData((intptr_t)cls->_cld);

     event.set_classCount(cls->_classes_count);

     event.set_chunkSize(cls->_chunk_sz);

     event.set_blockSize(cls->_block_sz);

     event.set_anonymousClassCount(cls->_anon_classes_count);

     event.set_anonymousChunkSize(cls->_anon_chunk_sz);

     event.set_anonymousBlockSize(cls->_anon_block_sz);

     event.commit();

     return true;

   }

   void createEvents(void) {

     _stats->iterate(this);

   }

 };

 class JfrClassLoaderStatsVMOperation : public ClassLoaderStatsVMOperation {

  public:

   JfrClassLoaderStatsVMOperation() : ClassLoaderStatsVMOperation(NULL) { }

   void doit() {

     JfrClassLoaderStatsClosure clsc;

     ClassLoaderDataGraph::cld_do(&clsc);

     clsc.createEvents();

   }

 };

 TRACE_REQUEST_FUNC(ClassLoaderStatistics) {

   JfrClassLoaderStatsVMOperation op;

   VMThread::execute(&op);

 }

 TRACE_REQUEST_FUNC(CompilerStatistics) {

   EventCompilerStatistics event;

   event.set_compileCount(CompileBroker::get_total_compile_count());

   event.set_bailoutCount(CompileBroker::get_total_bailout_count());

   event.set_invalidatedCount(CompileBroker::get_total_invalidated_count());

   event.set_osrCompileCount(CompileBroker::get_total_osr_compile_count());

   event.set_standardCompileCount(CompileBroker::get_total_standard_compile_count());

   event.set_osrBytesCompiled(CompileBroker::get_sum_osr_bytes_compiled());

   event.set_standardBytesCompiled(CompileBroker::get_sum_standard_bytes_compiled());

   event.set_nmetodsSize(CompileBroker::get_sum_nmethod_size());

   event.set_nmetodCodeSize(CompileBroker::get_sum_nmethod_code_size());

   event.set_peakTimeSpent(CompileBroker::get_peak_compilation_time());

   event.set_totalTimeSpent(CompileBroker::get_total_compilation_time());

   event.commit();

 }

 TRACE_REQUEST_FUNC(CompilerConfiguration) {

   EventCompilerConfiguration event;

   event.set_threadCount(CICompilerCount);

   event.set_tieredCompilation(TieredCompilation);

   event.commit();

 }

 TRACE_REQUEST_FUNC(CodeCacheStatistics) {

   EventCodeCacheStatistics event;

   event.set_codeBlobType((u1)0/*bt*/); // XXX

   event.set_startAddress((u8)CodeCache::low_bound());

   event.set_reservedTopAddress((u8)CodeCache::high_bound());

   event.set_entryCount(CodeCache::nof_blobs());

   event.set_methodCount(CodeCache::nof_nmethods());

   event.set_adaptorCount(CodeCache::nof_adapters());

   event.set_unallocatedCapacity(CodeCache::unallocated_capacity());

   event.set_fullCount(CodeCache::get_codemem_full_count());

   event.commit();

 }

 TRACE_REQUEST_FUNC(CodeCacheConfiguration) {

   EventCodeCacheConfiguration event;

   event.set_initialSize(InitialCodeCacheSize);

   event.set_reservedSize(ReservedCodeCacheSize);

   event.set_nonNMethodSize(0/*NonNMethodCodeHeapSize*/); // XXX

   event.set_profiledSize(0/*ProfiledCodeHeapSize*/); // XXX

   event.set_nonProfiledSize(0/*NonProfiledCodeHeapSize*/); // XXX

   event.set_expansionSize(CodeCacheExpansionSize);

   event.set_minBlockLength(CodeCacheMinBlockLength);

   event.set_startAddress((u8)CodeCache::low_bound());

   event.set_reservedTopAddress((u8)CodeCache::high_bound());

   event.commit();

 }

 TRACE_REQUEST_FUNC(CodeSweeperStatistics) {

   EventCodeSweeperStatistics event;

   event.set_sweepCount(NMethodSweeper::traversal_count());

   event.set_methodReclaimedCount(NMethodSweeper::total_nof_methods_reclaimed());

   event.set_totalSweepTime(NMethodSweeper::total_time_sweeping());

   event.set_peakFractionTime(NMethodSweeper::peak_sweep_fraction_time());

   event.set_peakSweepTime(NMethodSweeper::peak_sweep_time());

   event.commit();

 }

 TRACE_REQUEST_FUNC(CodeSweeperConfiguration) {

   EventCodeSweeperConfiguration event;

   event.set_sweeperEnabled(MethodFlushing);

   event.set_flushingEnabled(UseCodeCacheFlushing);

   event.commit();

 }