25 #ifndef SHARE_VM_GC_G1_G1REMSETSUMMARY_HPP
26 #define SHARE_VM_GC_G1_G1REMSETSUMMARY_HPP
27
28 #include "utilities/globalDefinitions.hpp"
29 #include "utilities/ostream.hpp"
30
31 class G1RemSet;
32
33 // A G1RemSetSummary manages statistical information about the G1RemSet
34
35 class G1RemSetSummary VALUE_OBJ_CLASS_SPEC {
36 private:
37 friend class GetRSThreadVTimeClosure;
38
39 G1RemSet* _remset;
40
41 G1RemSet* remset() const {
42 return _remset;
43 }
44
45 size_t _num_refined_cards;
46 size_t _num_processed_buf_mutator;
47 size_t _num_processed_buf_rs_threads;
48
49 size_t _num_coarsenings;
50
51 double* _rs_threads_vtimes;
52 size_t _num_vtimes;
53
54 double _sampling_thread_vtime;
55
56 void set_rs_thread_vtime(uint thread, double value);
57 void set_sampling_thread_vtime(double value) {
58 _sampling_thread_vtime = value;
59 }
60
61 // update this summary with current data from various places
62 void update();
63
64 public:
65 G1RemSetSummary();
66 ~G1RemSetSummary();
67
68 // set the counters in this summary to the values of the others
69 void set(G1RemSetSummary* other);
70 // subtract all counters from the other summary, and set them in the current
71 void subtract_from(G1RemSetSummary* other);
72
73 // initialize and get the first sampling
74 void initialize(G1RemSet* remset);
75 bool const initialized() { return _rs_threads_vtimes != NULL; }
76
77 void print_on(outputStream* out);
78
79 double rs_thread_vtime(uint thread) const;
80
81 double sampling_thread_vtime() const {
82 return _sampling_thread_vtime;
83 }
84
85 size_t num_refined_cards() const {
86 return _num_refined_cards;
87 }
88
89 size_t num_processed_buf_mutator() const {
90 return _num_processed_buf_mutator;
91 }
92
93 size_t num_processed_buf_rs_threads() const {
94 return _num_processed_buf_rs_threads;
95 }
96
97 size_t num_processed_buf_total() const {
98 return num_processed_buf_mutator() + num_processed_buf_rs_threads();
99 }
100
101 size_t num_coarsenings() const {
102 return _num_coarsenings;
103 }
104 };
105
106 #endif // SHARE_VM_GC_G1_G1REMSETSUMMARY_HPP
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25 #ifndef SHARE_VM_GC_G1_G1REMSETSUMMARY_HPP
26 #define SHARE_VM_GC_G1_G1REMSETSUMMARY_HPP
27
28 #include "utilities/globalDefinitions.hpp"
29 #include "utilities/ostream.hpp"
30
31 class G1RemSet;
32
33 // A G1RemSetSummary manages statistical information about the G1RemSet
34
35 class G1RemSetSummary VALUE_OBJ_CLASS_SPEC {
36 private:
37 friend class GetRSThreadVTimeClosure;
38
39 G1RemSet* _remset;
40
41 G1RemSet* remset() const {
42 return _remset;
43 }
44
45 size_t _num_conc_refined_cards;
46 size_t _num_processed_buf_mutator;
47 size_t _num_processed_buf_rs_threads;
48
49 size_t _num_coarsenings;
50
51 double* _rs_threads_vtimes;
52 size_t _num_vtimes;
53
54 double _sampling_thread_vtime;
55
56 void set_rs_thread_vtime(uint thread, double value);
57 void set_sampling_thread_vtime(double value) {
58 _sampling_thread_vtime = value;
59 }
60
61 // update this summary with current data from various places
62 void update();
63
64 public:
65 G1RemSetSummary();
66 ~G1RemSetSummary();
67
68 // set the counters in this summary to the values of the others
69 void set(G1RemSetSummary* other);
70 // subtract all counters from the other summary, and set them in the current
71 void subtract_from(G1RemSetSummary* other);
72
73 // initialize and get the first sampling
74 void initialize(G1RemSet* remset);
75 bool const initialized() { return _rs_threads_vtimes != NULL; }
76
77 void print_on(outputStream* out);
78
79 double rs_thread_vtime(uint thread) const;
80
81 double sampling_thread_vtime() const {
82 return _sampling_thread_vtime;
83 }
84
85 size_t num_conc_refined_cards() const {
86 return _num_conc_refined_cards;
87 }
88
89 size_t num_processed_buf_mutator() const {
90 return _num_processed_buf_mutator;
91 }
92
93 size_t num_processed_buf_rs_threads() const {
94 return _num_processed_buf_rs_threads;
95 }
96
97 size_t num_processed_buf_total() const {
98 return num_processed_buf_mutator() + num_processed_buf_rs_threads();
99 }
100
101 size_t num_coarsenings() const {
102 return _num_coarsenings;
103 }
104 };
105
106 #endif // SHARE_VM_GC_G1_G1REMSETSUMMARY_HPP
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