43 NMT_off = 0x00,
44 NMT_minimal = 0x01,
45 NMT_summary = 0x02,
46 NMT_detail = 0x03
47 };
48
49 // Number of stack frames to capture. This is a
50 // build time decision.
51 const int NMT_TrackingStackDepth = 4;
52
53 // A few common utilities for native memory tracking
54 class NMTUtil : AllStatic {
55 public:
56 // Map memory type to index
57 static inline int flag_to_index(MEMFLAGS flag) {
58 return (flag & 0xff);
59 }
60
61 // Map memory type to human readable name
62 static const char* flag_to_name(MEMFLAGS flag) {
63 return _memory_type_names[flag_to_index(flag)];
64 }
65
66 // Map an index to memory type
67 static MEMFLAGS index_to_flag(int index) {
68 return (MEMFLAGS)index;
69 }
70
71 // Memory size scale
72 static const char* scale_name(size_t scale);
73 static size_t scale_from_name(const char* scale);
74
75 // Translate memory size in specified scale
76 static size_t amount_in_scale(size_t amount, size_t scale) {
77 return (amount + scale / 2) / scale;
78 }
79 private:
80 static const char* _memory_type_names[mt_number_of_types];
81 };
82
83
84 #endif
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43 NMT_off = 0x00,
44 NMT_minimal = 0x01,
45 NMT_summary = 0x02,
46 NMT_detail = 0x03
47 };
48
49 // Number of stack frames to capture. This is a
50 // build time decision.
51 const int NMT_TrackingStackDepth = 4;
52
53 // A few common utilities for native memory tracking
54 class NMTUtil : AllStatic {
55 public:
56 // Map memory type to index
57 static inline int flag_to_index(MEMFLAGS flag) {
58 return (flag & 0xff);
59 }
60
61 // Map memory type to human readable name
62 static const char* flag_to_name(MEMFLAGS flag) {
63 int index = flag_to_index(flag);
64 assert(index >= 0 && index < mt_number_of_types, "Index out of bound.");
65 return _memory_type_names[index];
66 }
67
68 // Map an index to memory type
69 static MEMFLAGS index_to_flag(int index) {
70 assert(index >= 0 && index < mt_number_of_types, "Index out of bound.");
71 return (MEMFLAGS)index;
72 }
73
74 // Memory size scale
75 static const char* scale_name(size_t scale);
76 static size_t scale_from_name(const char* scale);
77
78 // Translate memory size in specified scale
79 static size_t amount_in_scale(size_t amount, size_t scale) {
80 return (amount + scale / 2) / scale;
81 }
82 private:
83 static const char* _memory_type_names[mt_number_of_types];
84 };
85
86
87 #endif
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