jdk8-mips64-public/hotspot: src/share/vm/jfr/periodic/jfrPeriodic.cpp@b985cbb00e68 (annotated)

src/share/vm/jfr/periodic/jfrPeriodic.cpp@b985cbb00e68 (annotated)

src/share/vm/jfr/periodic/jfrPeriodic.cpp

Mon, 12 Aug 2019 18:30:40 +0300

author: apetushkov
date: Mon, 12 Aug 2019 18:30:40 +0300
changeset 9858: b985cbb00e68
child 9872: 8d15befeab20
permissions: -rw-r--r--

8223147: JFR Backport
8199712: Flight Recorder
8203346: JFR: Inconsistent signature of jfr_add_string_constant
8195817: JFR.stop should require name of recording
8195818: JFR.start should increase autogenerated name by one
8195819: Remove recording=x from jcmd JFR.check output
8203921: JFR thread sampling is missing fixes from JDK-8194552
8203929: Limit amount of data for JFR.dump
8203664: JFR start failure after AppCDS archive created with JFR StartFlightRecording
8003209: JFR events for network utilization
8207392: [PPC64] Implement JFR profiling
8202835: jfr/event/os/TestSystemProcess.java fails on missing events
Summary: Backport JFR from JDK11. Initial integration
Reviewed-by: neugens

 /*
  * 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();
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/jfr/periodic/jfrPeriodic.cpp@b985cbb00e68 (annotated)

src/share/vm/jfr/periodic/jfrPeriodic.cpp