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src/hotspot/share/gc/shared/referenceProcessorPhaseTimes.hpp

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rev 49836 : [mq]: 8202017-reference-processor-remove-enqueue


  29 #include "gc/shared/workerDataArray.hpp"
  30 #include "memory/referenceType.hpp"
  31 #include "utilities/ticks.hpp"
  32 
  33 class DiscoveredList;
  34 class GCTimer;
  35 
  36 class ReferenceProcessorPhaseTimes : public CHeapObj<mtGC> {
  37 public:
  38   // Detailed phases that has parallel work.
  39   enum RefProcParPhases {
  40     SoftRefPhase1,
  41     SoftRefPhase2,
  42     SoftRefPhase3,
  43     WeakRefPhase2,
  44     WeakRefPhase3,
  45     FinalRefPhase2,
  46     FinalRefPhase3,
  47     PhantomRefPhase2,
  48     PhantomRefPhase3,
  49     RefEnqueue,
  50     RefParPhaseMax
  51   };
  52 
  53   // Sub-phases that are used when processing each j.l.Reference types.
  54   // Only SoftReference has RefPhase1.
  55   enum RefProcPhaseNumbers {
  56     RefPhase1,
  57     RefPhase2,
  58     RefPhase3,
  59     RefPhaseMax
  60   };
  61 
  62 private:
  63   static const int number_of_subclasses_of_ref = REF_PHANTOM - REF_OTHER; // 5 - 1 = 4
  64 
  65   // Records per thread information of each phase.
  66   WorkerDataArray<double>* _worker_time_sec[RefParPhaseMax];
  67   // Records elapsed time of each phase.
  68   double                   _par_phase_time_ms[RefParPhaseMax];
  69 


 116   void set_ref_cleared(ReferenceType ref_type, size_t count);
 117   size_t ref_discovered(ReferenceType ref_type) const;
 118   void set_ref_discovered(ReferenceType ref_type, size_t count);
 119   void set_ref_enqueued(ReferenceType ref_type, size_t count);
 120 
 121   void set_balance_queues_time_ms(ReferenceType ref_type, double time_ms);
 122 
 123   void set_processing_is_mt(bool processing_is_mt) { _processing_is_mt = processing_is_mt; }
 124 
 125   ReferenceType processing_ref_type() const { return _processing_ref_type; }
 126   void set_processing_ref_type(ReferenceType processing_ref_type) { _processing_ref_type = processing_ref_type; }
 127 
 128   // Returns RefProcParPhases calculated from phase_number and _processing_ref_type.
 129   RefProcParPhases par_phase(RefProcPhaseNumbers phase_number) const;
 130 
 131   GCTimer* gc_timer() const { return _gc_timer; }
 132 
 133   // Reset all fields. If not reset at next cycle, an assertion will fail.
 134   void reset();
 135 
 136   void print_enqueue_phase(uint base_indent = 0, bool print_total = true) const;
 137   void print_all_references(uint base_indent = 0, bool print_total = true) const;
 138 };
 139 
 140 // Updates working time of each worker thread.
 141 class RefProcWorkerTimeTracker : public StackObj {
 142 protected:
 143   WorkerDataArray<double>* _worker_time;
 144   double                   _start_time;
 145   uint                     _worker_id;
 146 
 147 public:
 148   RefProcWorkerTimeTracker(ReferenceProcessorPhaseTimes::RefProcPhaseNumbers number,
 149                            ReferenceProcessorPhaseTimes* phase_times,
 150                            uint worker_id);
 151   RefProcWorkerTimeTracker(ReferenceProcessorPhaseTimes::RefProcParPhases phase,
 152                            ReferenceProcessorPhaseTimes* phase_times,
 153                            uint worker_id);
 154   ~RefProcWorkerTimeTracker();
 155 };
 156 


 184 // Updates phase time at ReferenceProcessorPhaseTimes and save it into GCTimer.
 185 class RefProcParPhaseTimeTracker : public RefProcPhaseTimeBaseTracker {
 186   ReferenceProcessorPhaseTimes::RefProcPhaseNumbers _phase_number;
 187 
 188 public:
 189   RefProcParPhaseTimeTracker(ReferenceProcessorPhaseTimes::RefProcPhaseNumbers phase_number,
 190                              ReferenceProcessorPhaseTimes* phase_times);
 191   ~RefProcParPhaseTimeTracker();
 192 };
 193 
 194 // Updates phase time related information.
 195 // - Each phase processing time, cleared/discovered reference counts and stats for each working threads if MT processed.
 196 class RefProcPhaseTimesTracker : public RefProcPhaseTimeBaseTracker {
 197   ReferenceProcessor* _rp;
 198 
 199 public:
 200   RefProcPhaseTimesTracker(ReferenceType ref_type,
 201                            ReferenceProcessorPhaseTimes* phase_times,
 202                            ReferenceProcessor* rp);
 203   ~RefProcPhaseTimesTracker();
 204 };
 205 
 206 // Updates enqueue time related information.
 207 // - Enqueueing time, enqueued reference count and stats for each working thread if MT processed.
 208 class RefProcEnqueueTimeTracker : public RefProcPhaseTimeBaseTracker {
 209 public:
 210   RefProcEnqueueTimeTracker(ReferenceProcessorPhaseTimes* phase_times,
 211                             ReferenceProcessorStats& stats);
 212   ~RefProcEnqueueTimeTracker();
 213 };
 214 
 215 #endif // SHARE_VM_GC_SHARED_REFERENCEPROCESSORPHASETIMES_HPP


  29 #include "gc/shared/workerDataArray.hpp"
  30 #include "memory/referenceType.hpp"
  31 #include "utilities/ticks.hpp"
  32 
  33 class DiscoveredList;
  34 class GCTimer;
  35 
  36 class ReferenceProcessorPhaseTimes : public CHeapObj<mtGC> {
  37 public:
  38   // Detailed phases that has parallel work.
  39   enum RefProcParPhases {
  40     SoftRefPhase1,
  41     SoftRefPhase2,
  42     SoftRefPhase3,
  43     WeakRefPhase2,
  44     WeakRefPhase3,
  45     FinalRefPhase2,
  46     FinalRefPhase3,
  47     PhantomRefPhase2,
  48     PhantomRefPhase3,

  49     RefParPhaseMax
  50   };
  51 
  52   // Sub-phases that are used when processing each j.l.Reference types.
  53   // Only SoftReference has RefPhase1.
  54   enum RefProcPhaseNumbers {
  55     RefPhase1,
  56     RefPhase2,
  57     RefPhase3,
  58     RefPhaseMax
  59   };
  60 
  61 private:
  62   static const int number_of_subclasses_of_ref = REF_PHANTOM - REF_OTHER; // 5 - 1 = 4
  63 
  64   // Records per thread information of each phase.
  65   WorkerDataArray<double>* _worker_time_sec[RefParPhaseMax];
  66   // Records elapsed time of each phase.
  67   double                   _par_phase_time_ms[RefParPhaseMax];
  68 


 115   void set_ref_cleared(ReferenceType ref_type, size_t count);
 116   size_t ref_discovered(ReferenceType ref_type) const;
 117   void set_ref_discovered(ReferenceType ref_type, size_t count);
 118   void set_ref_enqueued(ReferenceType ref_type, size_t count);
 119 
 120   void set_balance_queues_time_ms(ReferenceType ref_type, double time_ms);
 121 
 122   void set_processing_is_mt(bool processing_is_mt) { _processing_is_mt = processing_is_mt; }
 123 
 124   ReferenceType processing_ref_type() const { return _processing_ref_type; }
 125   void set_processing_ref_type(ReferenceType processing_ref_type) { _processing_ref_type = processing_ref_type; }
 126 
 127   // Returns RefProcParPhases calculated from phase_number and _processing_ref_type.
 128   RefProcParPhases par_phase(RefProcPhaseNumbers phase_number) const;
 129 
 130   GCTimer* gc_timer() const { return _gc_timer; }
 131 
 132   // Reset all fields. If not reset at next cycle, an assertion will fail.
 133   void reset();
 134 

 135   void print_all_references(uint base_indent = 0, bool print_total = true) const;
 136 };
 137 
 138 // Updates working time of each worker thread.
 139 class RefProcWorkerTimeTracker : public StackObj {
 140 protected:
 141   WorkerDataArray<double>* _worker_time;
 142   double                   _start_time;
 143   uint                     _worker_id;
 144 
 145 public:
 146   RefProcWorkerTimeTracker(ReferenceProcessorPhaseTimes::RefProcPhaseNumbers number,
 147                            ReferenceProcessorPhaseTimes* phase_times,
 148                            uint worker_id);
 149   RefProcWorkerTimeTracker(ReferenceProcessorPhaseTimes::RefProcParPhases phase,
 150                            ReferenceProcessorPhaseTimes* phase_times,
 151                            uint worker_id);
 152   ~RefProcWorkerTimeTracker();
 153 };
 154 


 182 // Updates phase time at ReferenceProcessorPhaseTimes and save it into GCTimer.
 183 class RefProcParPhaseTimeTracker : public RefProcPhaseTimeBaseTracker {
 184   ReferenceProcessorPhaseTimes::RefProcPhaseNumbers _phase_number;
 185 
 186 public:
 187   RefProcParPhaseTimeTracker(ReferenceProcessorPhaseTimes::RefProcPhaseNumbers phase_number,
 188                              ReferenceProcessorPhaseTimes* phase_times);
 189   ~RefProcParPhaseTimeTracker();
 190 };
 191 
 192 // Updates phase time related information.
 193 // - Each phase processing time, cleared/discovered reference counts and stats for each working threads if MT processed.
 194 class RefProcPhaseTimesTracker : public RefProcPhaseTimeBaseTracker {
 195   ReferenceProcessor* _rp;
 196 
 197 public:
 198   RefProcPhaseTimesTracker(ReferenceType ref_type,
 199                            ReferenceProcessorPhaseTimes* phase_times,
 200                            ReferenceProcessor* rp);
 201   ~RefProcPhaseTimesTracker();









 202 };
 203 
 204 #endif // SHARE_VM_GC_SHARED_REFERENCEPROCESSORPHASETIMES_HPP
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