8277825: Remove unused ReferenceProcessorPhaseTimes::_sub_phases_tota…

…l_time_ms

Reviewed-by: tschatzl

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

@@ -200,7 +200,6 @@ void ReferenceProcessorPhaseTimes::set_phase_time_ms(ReferenceProcessor::RefProc
 void ReferenceProcessorPhaseTimes::reset() {
   for (int i = 0; i < ReferenceProcessor::RefSubPhaseMax; i++) {
     _sub_phases_worker_time_sec[i]->reset();
-    _sub_phases_total_time_ms[i] = uninitialized();
   }
 
   for (int i = 0; i < ReferenceProcessor::RefPhaseMax; i++) {
@@ -227,17 +226,6 @@ ReferenceProcessorPhaseTimes::~ReferenceProcessorPhaseTimes() {
   delete _soft_weak_final_refs_phase_worker_time_sec;
 }
 
-double ReferenceProcessorPhaseTimes::sub_phase_total_time_ms(ReferenceProcessor::RefProcSubPhases sub_phase) const {
-  ASSERT_SUB_PHASE(sub_phase);
-  return _sub_phases_total_time_ms[sub_phase];
-}
-
-void ReferenceProcessorPhaseTimes::set_sub_phase_total_phase_time_ms(ReferenceProcessor::RefProcSubPhases sub_phase,
-                                                                     double time_ms) {
-  ASSERT_SUB_PHASE(sub_phase);
-  _sub_phases_total_time_ms[sub_phase] = time_ms;
-}
-
 void ReferenceProcessorPhaseTimes::add_ref_cleared(ReferenceType ref_type, size_t count) {
   ASSERT_REF_TYPE(ref_type);
   Atomic::add(&_ref_cleared[ref_type_2_index(ref_type)], count, memory_order_relaxed);

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

@@ -41,8 +41,6 @@ class ReferenceProcessorPhaseTimes : public CHeapObj<mtGC> {
 
   // Records per thread time information of each sub phase.
   WorkerDataArray<double>* _sub_phases_worker_time_sec[ReferenceProcessor::RefSubPhaseMax];
-  // Total time of each sub phase.
-  double                   _sub_phases_total_time_ms[ReferenceProcessor::RefSubPhaseMax];
 
   // Records total elapsed time for each phase.
   double                   _phases_time_ms[ReferenceProcessor::RefPhaseMax];
@@ -62,7 +60,6 @@ class ReferenceProcessorPhaseTimes : public CHeapObj<mtGC> {
   GCTimer*                 _gc_timer;
 
   double phase_time_ms(ReferenceProcessor::RefProcPhases phase) const;
-  double sub_phase_total_time_ms(ReferenceProcessor::RefProcSubPhases sub_phase) const;
 
   double total_time_ms() const { return _total_time_ms; }
 
@@ -84,8 +81,6 @@ class ReferenceProcessorPhaseTimes : public CHeapObj<mtGC> {
   WorkerDataArray<double>* sub_phase_worker_time_sec(ReferenceProcessor::RefProcSubPhases phase) const;
   void set_phase_time_ms(ReferenceProcessor::RefProcPhases phase, double par_phase_time_ms);
 
-  void set_sub_phase_total_phase_time_ms(ReferenceProcessor::RefProcSubPhases sub_phase, double ref_proc_time_ms);
-
   void set_total_time_ms(double total_time_ms) { _total_time_ms = total_time_ms; }
 
   void add_ref_cleared(ReferenceType ref_type, size_t count);