jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/g1/g1GCPhaseTimes.cpp@04d83ba48607 (annotated)

src/share/vm/gc_implementation/g1/g1GCPhaseTimes.cpp@04d83ba48607 (annotated)

src/share/vm/gc_implementation/g1/g1GCPhaseTimes.cpp

Thu, 24 May 2018 17:06:56 +0800

author: aoqi
date: Thu, 24 May 2018 17:06:56 +0800
changeset 8604: 04d83ba48607
parent 8310: 6c57a16d0238
parent 7994: 04ff2f6cd0eb
child 9448: 73d689add964
permissions: -rw-r--r--

Merge

 /*
  * Copyright (c) 2013, 2014, 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 "gc_implementation/g1/g1CollectedHeap.inline.hpp"
 #include "gc_implementation/g1/g1GCPhaseTimes.hpp"
 #include "gc_implementation/g1/g1Log.hpp"
 #include "gc_implementation/g1/g1StringDedup.hpp"
 #include "memory/allocation.hpp"
 #include "runtime/os.hpp"
 // Helper class for avoiding interleaved logging
 class LineBuffer: public StackObj {
 private:
   static const int BUFFER_LEN = 1024;
   static const int INDENT_CHARS = 3;
   char _buffer[BUFFER_LEN];
   int _indent_level;
   int _cur;
   void vappend(const char* format, va_list ap)  ATTRIBUTE_PRINTF(2, 0) {
     int res = vsnprintf(&_buffer[_cur], BUFFER_LEN - _cur, format, ap);
     if (res != -1) {
       _cur += res;
     } else {
       DEBUG_ONLY(warning("buffer too small in LineBuffer");)
       _buffer[BUFFER_LEN -1] = 0;
       _cur = BUFFER_LEN; // vsnprintf above should not add to _buffer if we are called again
     }
   }
 public:
   explicit LineBuffer(int indent_level): _indent_level(indent_level), _cur(0) {
     for (; (_cur < BUFFER_LEN && _cur < (_indent_level * INDENT_CHARS)); _cur++) {
       _buffer[_cur] = ' ';
     }
   }
 #ifndef PRODUCT
   ~LineBuffer() {
     assert(_cur == _indent_level * INDENT_CHARS, "pending data in buffer - append_and_print_cr() not called?");
   }
 #endif
   void append(const char* format, ...)  ATTRIBUTE_PRINTF(2, 3) {
     va_list ap;
     va_start(ap, format);
     vappend(format, ap);
     va_end(ap);
   }
   void print_cr() {
     gclog_or_tty->print_cr("%s", _buffer);
     _cur = _indent_level * INDENT_CHARS;
   }
   void append_and_print_cr(const char* format, ...)  ATTRIBUTE_PRINTF(2, 3) {
     va_list ap;
     va_start(ap, format);
     vappend(format, ap);
     va_end(ap);
     print_cr();
   }
 };
 template <class T>
 class WorkerDataArray  : public CHeapObj<mtGC> {
   friend class G1GCParPhasePrinter;
   T*          _data;
   uint        _length;
   const char* _title;
   bool        _print_sum;
   int         _log_level;
   uint        _indent_level;
   bool        _enabled;
   WorkerDataArray<size_t>* _thread_work_items;
   NOT_PRODUCT(T uninitialized();)
   // We are caching the sum and average to only have to calculate them once.
   // This is not done in an MT-safe way. It is intended to allow single
   // threaded code to call sum() and average() multiple times in any order
   // without having to worry about the cost.
   bool   _has_new_data;
   T      _sum;
   T      _min;
   T      _max;
   double _average;
  public:
   WorkerDataArray(uint length, const char* title, bool print_sum, int log_level, uint indent_level) :
     _title(title), _length(0), _print_sum(print_sum), _log_level(log_level), _indent_level(indent_level),
     _has_new_data(true), _thread_work_items(NULL), _enabled(true) {
     assert(length > 0, "Must have some workers to store data for");
     _length = length;
     _data = NEW_C_HEAP_ARRAY(T, _length, mtGC);
   }
   ~WorkerDataArray() {
     FREE_C_HEAP_ARRAY(T, _data, mtGC);
   }
   void link_thread_work_items(WorkerDataArray<size_t>* thread_work_items) {
     _thread_work_items = thread_work_items;
   }
   WorkerDataArray<size_t>* thread_work_items() { return _thread_work_items; }
   void set(uint worker_i, T value) {
     assert(worker_i < _length, err_msg("Worker %d is greater than max: %d", worker_i, _length));
     assert(_data[worker_i] == WorkerDataArray<T>::uninitialized(), err_msg("Overwriting data for worker %d in %s", worker_i, _title));
     _data[worker_i] = value;
     _has_new_data = true;
   }
   void set_thread_work_item(uint worker_i, size_t value) {
     assert(_thread_work_items != NULL, "No sub count");
     _thread_work_items->set(worker_i, value);
   }
   T get(uint worker_i) {
     assert(worker_i < _length, err_msg("Worker %d is greater than max: %d", worker_i, _length));
     assert(_data[worker_i] != WorkerDataArray<T>::uninitialized(), err_msg("No data added for worker %d", worker_i));
     return _data[worker_i];
   }
   void add(uint worker_i, T value) {
     assert(worker_i < _length, err_msg("Worker %d is greater than max: %d", worker_i, _length));
     assert(_data[worker_i] != WorkerDataArray<T>::uninitialized(), err_msg("No data to add to for worker %d", worker_i));
     _data[worker_i] += value;
     _has_new_data = true;
   }
   double average(uint active_threads){
     calculate_totals(active_threads);
     return _average;
   }
   T sum(uint active_threads) {
     calculate_totals(active_threads);
     return _sum;
   }
   T minimum(uint active_threads) {
     calculate_totals(active_threads);
     return _min;
   }
   T maximum(uint active_threads) {
     calculate_totals(active_threads);
     return _max;
   }
   void reset() PRODUCT_RETURN;
   void verify(uint active_threads) PRODUCT_RETURN;
   void set_enabled(bool enabled) { _enabled = enabled; }
   int log_level() { return _log_level;  }
  private:
   void calculate_totals(uint active_threads){
     if (!_has_new_data) {
       return;
     }
     _sum = (T)0;
     _min = _data[0];
     _max = _min;
     assert(active_threads <= _length, "Wrong number of active threads");
     for (uint i = 0; i < active_threads; ++i) {
       T val = _data[i];
       _sum += val;
       _min = MIN2(_min, val);
       _max = MAX2(_max, val);
     }
     _average = (double)_sum / (double)active_threads;
     _has_new_data = false;
   }
 };
 #ifndef PRODUCT
 template <>
 size_t WorkerDataArray<size_t>::uninitialized() {
   return (size_t)-1;
 }
 template <>
 double WorkerDataArray<double>::uninitialized() {
   return -1.0;
 }
 template <class T>
 void WorkerDataArray<T>::reset() {
   for (uint i = 0; i < _length; i++) {
     _data[i] = WorkerDataArray<T>::uninitialized();
   }
   if (_thread_work_items != NULL) {
     _thread_work_items->reset();
   }
 }
 template <class T>
 void WorkerDataArray<T>::verify(uint active_threads) {
   if (!_enabled) {
     return;
   }
   assert(active_threads <= _length, "Wrong number of active threads");
   for (uint i = 0; i < active_threads; i++) {
     assert(_data[i] != WorkerDataArray<T>::uninitialized(),
         err_msg("Invalid data for worker %u in '%s'", i, _title));
   }
   if (_thread_work_items != NULL) {
     _thread_work_items->verify(active_threads);
   }
 }
 #endif
 G1GCPhaseTimes::G1GCPhaseTimes(uint max_gc_threads) :
   _max_gc_threads(max_gc_threads)
 {
   assert(max_gc_threads > 0, "Must have some GC threads");
   _gc_par_phases[GCWorkerStart] = new WorkerDataArray<double>(max_gc_threads, "GC Worker Start (ms)", false, G1Log::LevelFiner, 2);
   _gc_par_phases[ExtRootScan] = new WorkerDataArray<double>(max_gc_threads, "Ext Root Scanning (ms)", true, G1Log::LevelFiner, 2);
   // Root scanning phases
   _gc_par_phases[ThreadRoots] = new WorkerDataArray<double>(max_gc_threads, "Thread Roots (ms)", true, G1Log::LevelFinest, 3);
   _gc_par_phases[StringTableRoots] = new WorkerDataArray<double>(max_gc_threads, "StringTable Roots (ms)", true, G1Log::LevelFinest, 3);
   _gc_par_phases[UniverseRoots] = new WorkerDataArray<double>(max_gc_threads, "Universe Roots (ms)", true, G1Log::LevelFinest, 3);
   _gc_par_phases[JNIRoots] = new WorkerDataArray<double>(max_gc_threads, "JNI Handles Roots (ms)", true, G1Log::LevelFinest, 3);
   _gc_par_phases[ObjectSynchronizerRoots] = new WorkerDataArray<double>(max_gc_threads, "ObjectSynchronizer Roots (ms)", true, G1Log::LevelFinest, 3);
   _gc_par_phases[FlatProfilerRoots] = new WorkerDataArray<double>(max_gc_threads, "FlatProfiler Roots (ms)", true, G1Log::LevelFinest, 3);
   _gc_par_phases[ManagementRoots] = new WorkerDataArray<double>(max_gc_threads, "Management Roots (ms)", true, G1Log::LevelFinest, 3);
   _gc_par_phases[SystemDictionaryRoots] = new WorkerDataArray<double>(max_gc_threads, "SystemDictionary Roots (ms)", true, G1Log::LevelFinest, 3);
   _gc_par_phases[CLDGRoots] = new WorkerDataArray<double>(max_gc_threads, "CLDG Roots (ms)", true, G1Log::LevelFinest, 3);
   _gc_par_phases[JVMTIRoots] = new WorkerDataArray<double>(max_gc_threads, "JVMTI Roots (ms)", true, G1Log::LevelFinest, 3);
   _gc_par_phases[CodeCacheRoots] = new WorkerDataArray<double>(max_gc_threads, "CodeCache Roots (ms)", true, G1Log::LevelFinest, 3);
   _gc_par_phases[CMRefRoots] = new WorkerDataArray<double>(max_gc_threads, "CM RefProcessor Roots (ms)", true, G1Log::LevelFinest, 3);
   _gc_par_phases[WaitForStrongCLD] = new WorkerDataArray<double>(max_gc_threads, "Wait For Strong CLD (ms)", true, G1Log::LevelFinest, 3);
   _gc_par_phases[WeakCLDRoots] = new WorkerDataArray<double>(max_gc_threads, "Weak CLD Roots (ms)", true, G1Log::LevelFinest, 3);
   _gc_par_phases[SATBFiltering] = new WorkerDataArray<double>(max_gc_threads, "SATB Filtering (ms)", true, G1Log::LevelFinest, 3);
   _gc_par_phases[UpdateRS] = new WorkerDataArray<double>(max_gc_threads, "Update RS (ms)", true, G1Log::LevelFiner, 2);
   _gc_par_phases[ScanRS] = new WorkerDataArray<double>(max_gc_threads, "Scan RS (ms)", true, G1Log::LevelFiner, 2);
   _gc_par_phases[CodeRoots] = new WorkerDataArray<double>(max_gc_threads, "Code Root Scanning (ms)", true, G1Log::LevelFiner, 2);
   _gc_par_phases[ObjCopy] = new WorkerDataArray<double>(max_gc_threads, "Object Copy (ms)", true, G1Log::LevelFiner, 2);
   _gc_par_phases[Termination] = new WorkerDataArray<double>(max_gc_threads, "Termination (ms)", true, G1Log::LevelFiner, 2);
   _gc_par_phases[GCWorkerTotal] = new WorkerDataArray<double>(max_gc_threads, "GC Worker Total (ms)", true, G1Log::LevelFiner, 2);
   _gc_par_phases[GCWorkerEnd] = new WorkerDataArray<double>(max_gc_threads, "GC Worker End (ms)", false, G1Log::LevelFiner, 2);
   _gc_par_phases[Other] = new WorkerDataArray<double>(max_gc_threads, "GC Worker Other (ms)", true, G1Log::LevelFiner, 2);
   _update_rs_processed_buffers = new WorkerDataArray<size_t>(max_gc_threads, "Processed Buffers", true, G1Log::LevelFiner, 3);
   _gc_par_phases[UpdateRS]->link_thread_work_items(_update_rs_processed_buffers);
   _termination_attempts = new WorkerDataArray<size_t>(max_gc_threads, "Termination Attempts", true, G1Log::LevelFinest, 3);
   _gc_par_phases[Termination]->link_thread_work_items(_termination_attempts);
   _gc_par_phases[StringDedupQueueFixup] = new WorkerDataArray<double>(max_gc_threads, "Queue Fixup (ms)", true, G1Log::LevelFiner, 2);
   _gc_par_phases[StringDedupTableFixup] = new WorkerDataArray<double>(max_gc_threads, "Table Fixup (ms)", true, G1Log::LevelFiner, 2);
   _gc_par_phases[RedirtyCards] = new WorkerDataArray<double>(max_gc_threads, "Parallel Redirty", true, G1Log::LevelFinest, 3);
   _redirtied_cards = new WorkerDataArray<size_t>(max_gc_threads, "Redirtied Cards", true, G1Log::LevelFinest, 3);
   _gc_par_phases[RedirtyCards]->link_thread_work_items(_redirtied_cards);
 }
 void G1GCPhaseTimes::note_gc_start(uint active_gc_threads, bool mark_in_progress) {
   assert(active_gc_threads > 0, "The number of threads must be > 0");
   assert(active_gc_threads <= _max_gc_threads, "The number of active threads must be <= the max number of threads");
   _active_gc_threads = active_gc_threads;
   for (int i = 0; i < GCParPhasesSentinel; i++) {
     _gc_par_phases[i]->reset();
   }
   _gc_par_phases[StringDedupQueueFixup]->set_enabled(G1StringDedup::is_enabled());
   _gc_par_phases[StringDedupTableFixup]->set_enabled(G1StringDedup::is_enabled());
 }
 void G1GCPhaseTimes::note_gc_end() {
   for (uint i = 0; i < _active_gc_threads; i++) {
     double worker_time = _gc_par_phases[GCWorkerEnd]->get(i) - _gc_par_phases[GCWorkerStart]->get(i);
     record_time_secs(GCWorkerTotal, i , worker_time);
     double worker_known_time =
         _gc_par_phases[ExtRootScan]->get(i) +
         _gc_par_phases[SATBFiltering]->get(i) +
         _gc_par_phases[UpdateRS]->get(i) +
         _gc_par_phases[ScanRS]->get(i) +
         _gc_par_phases[CodeRoots]->get(i) +
         _gc_par_phases[ObjCopy]->get(i) +
         _gc_par_phases[Termination]->get(i);
     record_time_secs(Other, i, worker_time - worker_known_time);
   }
   for (int i = 0; i < GCParPhasesSentinel; i++) {
     _gc_par_phases[i]->verify(_active_gc_threads);
   }
 }
 void G1GCPhaseTimes::print_stats(int level, const char* str, double value) {
   LineBuffer(level).append_and_print_cr("[%s: %.1lf ms]", str, value);
 }
 void G1GCPhaseTimes::print_stats(int level, const char* str, size_t value) {
   LineBuffer(level).append_and_print_cr("[%s: "SIZE_FORMAT"]", str, value);
 }
 void G1GCPhaseTimes::print_stats(int level, const char* str, double value, uint workers) {
   LineBuffer(level).append_and_print_cr("[%s: %.1lf ms, GC Workers: %u]", str, value, workers);
 }
 double G1GCPhaseTimes::accounted_time_ms() {
     // Subtract the root region scanning wait time. It's initialized to
     // zero at the start of the pause.
     double misc_time_ms = _root_region_scan_wait_time_ms;
     misc_time_ms += _cur_collection_par_time_ms;
     // Now subtract the time taken to fix up roots in generated code
     misc_time_ms += _cur_collection_code_root_fixup_time_ms;
     // Strong code root purge time
     misc_time_ms += _cur_strong_code_root_purge_time_ms;
     if (G1StringDedup::is_enabled()) {
       // String dedup fixup time
       misc_time_ms += _cur_string_dedup_fixup_time_ms;
     }
     // Subtract the time taken to clean the card table from the
     // current value of "other time"
     misc_time_ms += _cur_clear_ct_time_ms;
     return misc_time_ms;
 }
 // record the time a phase took in seconds
 void G1GCPhaseTimes::record_time_secs(GCParPhases phase, uint worker_i, double secs) {
   _gc_par_phases[phase]->set(worker_i, secs);
 }
 // add a number of seconds to a phase
 void G1GCPhaseTimes::add_time_secs(GCParPhases phase, uint worker_i, double secs) {
   _gc_par_phases[phase]->add(worker_i, secs);
 }
 void G1GCPhaseTimes::record_thread_work_item(GCParPhases phase, uint worker_i, size_t count) {
   _gc_par_phases[phase]->set_thread_work_item(worker_i, count);
 }
 // return the average time for a phase in milliseconds
 double G1GCPhaseTimes::average_time_ms(GCParPhases phase) {
   return _gc_par_phases[phase]->average(_active_gc_threads) * 1000.0;
 }
 double G1GCPhaseTimes::get_time_ms(GCParPhases phase, uint worker_i) {
   return _gc_par_phases[phase]->get(worker_i) * 1000.0;
 }
 double G1GCPhaseTimes::sum_time_ms(GCParPhases phase) {
   return _gc_par_phases[phase]->sum(_active_gc_threads) * 1000.0;
 }
 double G1GCPhaseTimes::min_time_ms(GCParPhases phase) {
   return _gc_par_phases[phase]->minimum(_active_gc_threads) * 1000.0;
 }
 double G1GCPhaseTimes::max_time_ms(GCParPhases phase) {
   return _gc_par_phases[phase]->maximum(_active_gc_threads) * 1000.0;
 }
 size_t G1GCPhaseTimes::get_thread_work_item(GCParPhases phase, uint worker_i) {
   assert(_gc_par_phases[phase]->thread_work_items() != NULL, "No sub count");
   return _gc_par_phases[phase]->thread_work_items()->get(worker_i);
 }
 size_t G1GCPhaseTimes::sum_thread_work_items(GCParPhases phase) {
   assert(_gc_par_phases[phase]->thread_work_items() != NULL, "No sub count");
   return _gc_par_phases[phase]->thread_work_items()->sum(_active_gc_threads);
 }
 double G1GCPhaseTimes::average_thread_work_items(GCParPhases phase) {
   assert(_gc_par_phases[phase]->thread_work_items() != NULL, "No sub count");
   return _gc_par_phases[phase]->thread_work_items()->average(_active_gc_threads);
 }
 size_t G1GCPhaseTimes::min_thread_work_items(GCParPhases phase) {
   assert(_gc_par_phases[phase]->thread_work_items() != NULL, "No sub count");
   return _gc_par_phases[phase]->thread_work_items()->minimum(_active_gc_threads);
 }
 size_t G1GCPhaseTimes::max_thread_work_items(GCParPhases phase) {
   assert(_gc_par_phases[phase]->thread_work_items() != NULL, "No sub count");
   return _gc_par_phases[phase]->thread_work_items()->maximum(_active_gc_threads);
 }
 class G1GCParPhasePrinter : public StackObj {
   G1GCPhaseTimes* _phase_times;
  public:
   G1GCParPhasePrinter(G1GCPhaseTimes* phase_times) : _phase_times(phase_times) {}
   void print(G1GCPhaseTimes::GCParPhases phase_id) {
     WorkerDataArray<double>* phase = _phase_times->_gc_par_phases[phase_id];
     if (phase->_log_level > G1Log::level() || !phase->_enabled) {
       return;
     }
     if (phase->_length == 1) {
       print_single_length(phase_id, phase);
     } else {
       print_multi_length(phase_id, phase);
     }
   }
  private:
   void print_single_length(G1GCPhaseTimes::GCParPhases phase_id, WorkerDataArray<double>* phase) {
     // No need for min, max, average and sum for only one worker
     LineBuffer buf(phase->_indent_level);
     buf.append_and_print_cr("[%s:  %.1lf]", phase->_title, _phase_times->get_time_ms(phase_id, 0));
     if (phase->_thread_work_items != NULL) {
       LineBuffer buf2(phase->_thread_work_items->_indent_level);
       buf2.append_and_print_cr("[%s:  "SIZE_FORMAT"]", phase->_thread_work_items->_title, _phase_times->sum_thread_work_items(phase_id));
     }
   }
   void print_time_values(LineBuffer& buf, G1GCPhaseTimes::GCParPhases phase_id, WorkerDataArray<double>* phase) {
     uint active_length = _phase_times->_active_gc_threads;
     for (uint i = 0; i < active_length; ++i) {
       buf.append("  %.1lf", _phase_times->get_time_ms(phase_id, i));
     }
     buf.print_cr();
   }
   void print_count_values(LineBuffer& buf, G1GCPhaseTimes::GCParPhases phase_id, WorkerDataArray<size_t>* thread_work_items) {
     uint active_length = _phase_times->_active_gc_threads;
     for (uint i = 0; i < active_length; ++i) {
       buf.append("  " SIZE_FORMAT, _phase_times->get_thread_work_item(phase_id, i));
     }
     buf.print_cr();
   }
   void print_thread_work_items(G1GCPhaseTimes::GCParPhases phase_id, WorkerDataArray<size_t>* thread_work_items) {
     LineBuffer buf(thread_work_items->_indent_level);
     buf.append("[%s:", thread_work_items->_title);
     if (G1Log::finest()) {
       print_count_values(buf, phase_id, thread_work_items);
     }
     assert(thread_work_items->_print_sum, err_msg("%s does not have print sum true even though it is a count", thread_work_items->_title));
     buf.append_and_print_cr(" Min: " SIZE_FORMAT ", Avg: %.1lf, Max: " SIZE_FORMAT ", Diff: " SIZE_FORMAT ", Sum: " SIZE_FORMAT "]",
         _phase_times->min_thread_work_items(phase_id), _phase_times->average_thread_work_items(phase_id), _phase_times->max_thread_work_items(phase_id),
         _phase_times->max_thread_work_items(phase_id) - _phase_times->min_thread_work_items(phase_id), _phase_times->sum_thread_work_items(phase_id));
   }
   void print_multi_length(G1GCPhaseTimes::GCParPhases phase_id, WorkerDataArray<double>* phase) {
     LineBuffer buf(phase->_indent_level);
     buf.append("[%s:", phase->_title);
     if (G1Log::finest()) {
       print_time_values(buf, phase_id, phase);
     }
     buf.append(" Min: %.1lf, Avg: %.1lf, Max: %.1lf, Diff: %.1lf",
         _phase_times->min_time_ms(phase_id), _phase_times->average_time_ms(phase_id), _phase_times->max_time_ms(phase_id),
         _phase_times->max_time_ms(phase_id) - _phase_times->min_time_ms(phase_id));
     if (phase->_print_sum) {
       // for things like the start and end times the sum is not
       // that relevant
       buf.append(", Sum: %.1lf", _phase_times->sum_time_ms(phase_id));
     }
     buf.append_and_print_cr("]");
     if (phase->_thread_work_items != NULL) {
       print_thread_work_items(phase_id, phase->_thread_work_items);
     }
   }
 };
 void G1GCPhaseTimes::print(double pause_time_sec) {
   G1GCParPhasePrinter par_phase_printer(this);
   if (_root_region_scan_wait_time_ms > 0.0) {
     print_stats(1, "Root Region Scan Waiting", _root_region_scan_wait_time_ms);
   }
   print_stats(1, "Parallel Time", _cur_collection_par_time_ms, _active_gc_threads);
   for (int i = 0; i <= GCMainParPhasesLast; i++) {
     par_phase_printer.print((GCParPhases) i);
   }
   print_stats(1, "Code Root Fixup", _cur_collection_code_root_fixup_time_ms);
   print_stats(1, "Code Root Purge", _cur_strong_code_root_purge_time_ms);
   if (G1StringDedup::is_enabled()) {
     print_stats(1, "String Dedup Fixup", _cur_string_dedup_fixup_time_ms, _active_gc_threads);
     for (int i = StringDedupPhasesFirst; i <= StringDedupPhasesLast; i++) {
       par_phase_printer.print((GCParPhases) i);
     }
   }
   print_stats(1, "Clear CT", _cur_clear_ct_time_ms);
   double misc_time_ms = pause_time_sec * MILLIUNITS - accounted_time_ms();
   print_stats(1, "Other", misc_time_ms);
   if (_cur_verify_before_time_ms > 0.0) {
     print_stats(2, "Verify Before", _cur_verify_before_time_ms);
   }
   if (G1CollectedHeap::heap()->evacuation_failed()) {
     double evac_fail_handling = _cur_evac_fail_recalc_used + _cur_evac_fail_remove_self_forwards +
       _cur_evac_fail_restore_remsets;
     print_stats(2, "Evacuation Failure", evac_fail_handling);
     if (G1Log::finest()) {
       print_stats(3, "Recalculate Used", _cur_evac_fail_recalc_used);
       print_stats(3, "Remove Self Forwards", _cur_evac_fail_remove_self_forwards);
       print_stats(3, "Restore RemSet", _cur_evac_fail_restore_remsets);
     }
   }
   print_stats(2, "Choose CSet",
     (_recorded_young_cset_choice_time_ms +
     _recorded_non_young_cset_choice_time_ms));
   print_stats(2, "Ref Proc", _cur_ref_proc_time_ms);
   print_stats(2, "Ref Enq", _cur_ref_enq_time_ms);
   print_stats(2, "Redirty Cards", _recorded_redirty_logged_cards_time_ms);
   par_phase_printer.print(RedirtyCards);
   if (G1EagerReclaimHumongousObjects) {
     print_stats(2, "Humongous Register", _cur_fast_reclaim_humongous_register_time_ms);
     if (G1Log::finest()) {
       print_stats(3, "Humongous Total", _cur_fast_reclaim_humongous_total);
       print_stats(3, "Humongous Candidate", _cur_fast_reclaim_humongous_candidates);
     }
     print_stats(2, "Humongous Reclaim", _cur_fast_reclaim_humongous_time_ms);
     if (G1Log::finest()) {
       print_stats(3, "Humongous Reclaimed", _cur_fast_reclaim_humongous_reclaimed);
     }
   }
   print_stats(2, "Free CSet",
     (_recorded_young_free_cset_time_ms +
     _recorded_non_young_free_cset_time_ms));
   if (G1Log::finest()) {
     print_stats(3, "Young Free CSet", _recorded_young_free_cset_time_ms);
     print_stats(3, "Non-Young Free CSet", _recorded_non_young_free_cset_time_ms);
   }
   if (_cur_verify_after_time_ms > 0.0) {
     print_stats(2, "Verify After", _cur_verify_after_time_ms);
   }
 }
 G1GCParPhaseTimesTracker::G1GCParPhaseTimesTracker(G1GCPhaseTimes* phase_times, G1GCPhaseTimes::GCParPhases phase, uint worker_id) :
     _phase_times(phase_times), _phase(phase), _worker_id(worker_id) {
   if (_phase_times != NULL) {
     _start_time = os::elapsedTime();
   }
 }
 G1GCParPhaseTimesTracker::~G1GCParPhaseTimesTracker() {
   if (_phase_times != NULL) {
     _phase_times->record_time_secs(_phase, _worker_id, os::elapsedTime() - _start_time);
   }
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/gc_implementation/g1/g1GCPhaseTimes.cpp@04d83ba48607 (annotated)

src/share/vm/gc_implementation/g1/g1GCPhaseTimes.cpp