vm/gc.hpp

   1 namespace factor {
   2
   3 enum gc_op {
   4   collect_nursery_op,
   5   collect_aging_op,
   6   collect_to_tenured_op,
   7   collect_full_op,
   8   collect_compact_op,
   9   collect_growing_heap_op
  10 };
  11
  12 struct gc_event {
  13   gc_op op;
  14   data_heap_room data_heap_before;
  15   code_heap_room code_heap_before;
  16   data_heap_room data_heap_after;
  17   code_heap_room code_heap_after;
  18   cell cards_scanned;
  19   cell decks_scanned;
  20   cell code_blocks_scanned;
  21   u64 start_time;
  22   cell total_time;
  23   cell card_scan_time;
  24   cell code_scan_time;
  25   cell data_sweep_time;
  26   cell code_sweep_time;
  27   cell compaction_time;
  28   u64 temp_time;
  29
  30   gc_event(gc_op op_, factor_vm* parent);
  31   void started_card_scan();
  32   void ended_card_scan(cell cards_scanned_, cell decks_scanned_);
  33   void started_code_scan();
  34   void ended_code_scan(cell code_blocks_scanned_);
  35   void started_data_sweep();
  36   void ended_data_sweep();
  37   void started_code_sweep();
  38   void ended_code_sweep();
  39   void started_compaction();
  40   void ended_compaction();
  41   void ended_gc(factor_vm* parent);
  42 };
  43
  44 struct gc_state {
  45   gc_op op;
  46   u64 start_time;
  47   gc_event* event;
  48
  49   explicit gc_state(gc_op op_, factor_vm* parent);
  50   ~gc_state();
  51   void start_again(gc_op op_, factor_vm* parent);
  52 };
  53
  54 }