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src/hotspot/share/gc/shenandoah/shenandoahCollectorPolicy.hpp

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22  *
23  */
24 
25 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHCOLLECTORPOLICY_HPP
26 #define SHARE_GC_SHENANDOAH_SHENANDOAHCOLLECTORPOLICY_HPP
27 
28 #include "gc/shared/gcTrace.hpp"
29 #include "gc/shenandoah/shenandoahGC.hpp"
30 #include "gc/shenandoah/shenandoahSharedVariables.hpp"
31 #include "memory/allocation.hpp"
32 #include "utilities/ostream.hpp"
33 
34 class ShenandoahTracer : public GCTracer {
35 public:
36   ShenandoahTracer() : GCTracer(Shenandoah) {}
37 };
38 
39 class ShenandoahCollectorPolicy : public CHeapObj<mtGC> {
40 private:
41   size_t _success_concurrent_gcs;




42   size_t _success_degenerated_gcs;
43   size_t _success_full_gcs;
44   size_t _alloc_failure_degenerated;
45   size_t _alloc_failure_degenerated_upgrade_to_full;
46   size_t _alloc_failure_full;
47   size_t _explicit_concurrent;
48   size_t _explicit_full;
49   size_t _implicit_concurrent;
50   size_t _implicit_full;
51   size_t _degen_points[ShenandoahGC::_DEGENERATED_LIMIT];
52 
53   ShenandoahSharedFlag _in_shutdown;
54 
55   ShenandoahTracer* _tracer;
56 
57   size_t _cycle_counter;
58 
59 public:
60   ShenandoahCollectorPolicy();
61 
62   // TODO: This is different from gc_end: that one encompasses one VM operation.
63   // These two encompass the entire cycle.
64   void record_cycle_start();
65 


66   void record_success_concurrent();


67   void record_success_degenerated();
68   void record_success_full();
69   void record_alloc_failure_to_degenerated(ShenandoahGC::ShenandoahDegenPoint point);
70   void record_alloc_failure_to_full();
71   void record_degenerated_upgrade_to_full();
72   void record_explicit_to_concurrent();
73   void record_explicit_to_full();
74   void record_implicit_to_concurrent();
75   void record_implicit_to_full();
76 
77   void record_shutdown();
78   bool is_at_shutdown();
79 
80   ShenandoahTracer* tracer() {return _tracer;}
81 
82   size_t cycle_counter() const;
83 
84   void print_gc_stats(outputStream* out) const;
85 };
86 

22  *
23  */
24 
25 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHCOLLECTORPOLICY_HPP
26 #define SHARE_GC_SHENANDOAH_SHENANDOAHCOLLECTORPOLICY_HPP
27 
28 #include "gc/shared/gcTrace.hpp"
29 #include "gc/shenandoah/shenandoahGC.hpp"
30 #include "gc/shenandoah/shenandoahSharedVariables.hpp"
31 #include "memory/allocation.hpp"
32 #include "utilities/ostream.hpp"
33 
34 class ShenandoahTracer : public GCTracer {
35 public:
36   ShenandoahTracer() : GCTracer(Shenandoah) {}
37 };
38 
39 class ShenandoahCollectorPolicy : public CHeapObj<mtGC> {
40 private:
41   size_t _success_concurrent_gcs;
42   size_t _mixed_gcs;
43   size_t _abbreviated_cycles;
44   size_t _success_old_gcs;
45   size_t _interrupted_old_gcs;
46   size_t _success_degenerated_gcs;
47   size_t _success_full_gcs;
48   size_t _alloc_failure_degenerated;
49   size_t _alloc_failure_degenerated_upgrade_to_full;
50   size_t _alloc_failure_full;
51   size_t _explicit_concurrent;
52   size_t _explicit_full;
53   size_t _implicit_concurrent;
54   size_t _implicit_full;
55   size_t _degen_points[ShenandoahGC::_DEGENERATED_LIMIT];
56 
57   ShenandoahSharedFlag _in_shutdown;
58 
59   ShenandoahTracer* _tracer;
60 
61   size_t _cycle_counter;
62 
63 public:
64   ShenandoahCollectorPolicy();
65 
66   // TODO: This is different from gc_end: that one encompasses one VM operation.
67   // These two encompass the entire cycle.
68   void record_cycle_start();
69 
70   void record_mixed_cycle();
71   void record_abbreviated_cycle();
72   void record_success_concurrent();
73   void record_success_old();
74   void record_interrupted_old();
75   void record_success_degenerated();
76   void record_success_full();
77   void record_alloc_failure_to_degenerated(ShenandoahGC::ShenandoahDegenPoint point);
78   void record_alloc_failure_to_full();
79   void record_degenerated_upgrade_to_full();
80   void record_explicit_to_concurrent();
81   void record_explicit_to_full();
82   void record_implicit_to_concurrent();
83   void record_implicit_to_full();
84 
85   void record_shutdown();
86   bool is_at_shutdown();
87 
88   ShenandoahTracer* tracer() {return _tracer;}
89 
90   size_t cycle_counter() const;
91 
92   void print_gc_stats(outputStream* out) const;
93 };
94 
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