--- a/hotspot/src/share/vm/gc/g1/g1CollectorPolicy.hpp	Wed Feb 17 18:02:03 2016 -0500
+++ b/hotspot/src/share/vm/gc/g1/g1CollectorPolicy.hpp	Thu Feb 04 08:22:26 2016 +0100
@@ -45,52 +45,6 @@
 class G1IHOPControl;
 class G1YoungGenSizer;
 
-// TraceYoungGenTime collects data on _both_ young and mixed evacuation pauses
-// (the latter may contain non-young regions - i.e. regions that are
-// technically in old) while TraceOldGenTime collects data about full GCs.
-class TraceYoungGenTimeData : public CHeapObj<mtGC> {
- private:
-  unsigned  _young_pause_num;
-  unsigned  _mixed_pause_num;
-
-  NumberSeq _all_stop_world_times_ms;
-  NumberSeq _all_yield_times_ms;
-
-  NumberSeq _total;
-  NumberSeq _other;
-  NumberSeq _root_region_scan_wait;
-  NumberSeq _parallel;
-  NumberSeq _ext_root_scan;
-  NumberSeq _satb_filtering;
-  NumberSeq _update_rs;
-  NumberSeq _scan_rs;
-  NumberSeq _obj_copy;
-  NumberSeq _termination;
-  NumberSeq _parallel_other;
-  NumberSeq _clear_ct;
-
-  void print_summary(const char* str, const NumberSeq* seq) const;
-  void print_summary_sd(const char* str, const NumberSeq* seq) const;
-
-public:
-   TraceYoungGenTimeData() : _young_pause_num(0), _mixed_pause_num(0) {};
-  void record_start_collection(double time_to_stop_the_world_ms);
-  void record_yield_time(double yield_time_ms);
-  void record_end_collection(double pause_time_ms, G1GCPhaseTimes* phase_times);
-  void increment_young_collection_count();
-  void increment_mixed_collection_count();
-  void print() const;
-};
-
-class TraceOldGenTimeData : public CHeapObj<mtGC> {
- private:
-  NumberSeq _all_full_gc_times;
-
- public:
-  void record_full_collection(double full_gc_time_ms);
-  void print() const;
-};
-
 class G1CollectorPolicy: public CollectorPolicy {
  private:
   G1IHOPControl* _ihop_control;
@@ -107,13 +61,6 @@
   double get_new_prediction(TruncatedSeq const* seq) const;
   size_t get_new_size_prediction(TruncatedSeq const* seq) const;
 
-  // either equal to the number of parallel threads, if ParallelGCThreads
-  // has been set, or 1 otherwise
-  int _parallel_gc_threads;
-
-  // The number of GC threads currently active.
-  uintx _no_of_gc_threads;
-
   G1MMUTracker* _mmu_tracker;
 
   void initialize_alignments();
@@ -134,11 +81,6 @@
   double _ratio_over_threshold_sum;
   uint _pauses_since_start;
 
-  TraceYoungGenTimeData _trace_young_gen_time_data;
-  TraceOldGenTimeData   _trace_old_gen_time_data;
-
-  double _stop_world_start;
-
   uint _young_list_target_length;
   uint _young_list_fixed_length;
 
@@ -212,9 +154,6 @@
                                     double update_rs_processed_buffers,
                                     double goal_ms);
 
-  uintx no_of_gc_threads() { return _no_of_gc_threads; }
-  void set_no_of_gc_threads(uintx v) { _no_of_gc_threads = v; }
-
   double _pause_time_target_ms;
 
   size_t _pending_cards;
@@ -389,9 +328,6 @@
   // an evacuation pause.
   size_t _inc_cset_bytes_used_before;
 
-  // Used to record the highest end of heap region in collection set
-  HeapWord* _inc_cset_max_finger;
-
   // The RSet lengths recorded for regions in the CSet. It is updated
   // by the thread that adds a new region to the CSet. We assume that
   // only one thread can be allocating a new CSet region (currently,
@@ -573,9 +509,6 @@
 
   virtual void print_phases();
 
-  void record_stop_world_start();
-  void record_concurrent_pause();
-
   // Record how much space we copied during a GC. This is typically
   // called when a GC alloc region is being retired.
   void record_bytes_copied_during_gc(size_t bytes) {
@@ -685,9 +618,6 @@
   // Clear ratio tracking data used by expansion_amount().
   void clear_ratio_check_data();
 
-  // Print tracing information.
-  void print_tracing_info() const;
-
   // Print stats on young survival ratio
   void print_yg_surv_rate_info() const;