23 */ |
23 */ |
24 |
24 |
25 #include "precompiled.hpp" |
25 #include "precompiled.hpp" |
26 #include "memory/metaspaceCounters.hpp" |
26 #include "memory/metaspaceCounters.hpp" |
27 #include "memory/resourceArea.hpp" |
27 #include "memory/resourceArea.hpp" |
28 |
28 #include "utilities/exceptions.hpp" |
29 #define METASPACE_NAME "perm" |
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30 |
29 |
31 MetaspaceCounters* MetaspaceCounters::_metaspace_counters = NULL; |
30 MetaspaceCounters* MetaspaceCounters::_metaspace_counters = NULL; |
32 |
31 |
33 MetaspaceCounters::MetaspaceCounters() { |
32 MetaspaceCounters::MetaspaceCounters() : |
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33 _capacity(NULL), |
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34 _used(NULL), |
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35 _max_capacity(NULL) { |
34 if (UsePerfData) { |
36 if (UsePerfData) { |
35 size_t min_capacity = MetaspaceAux::min_chunk_size(); |
37 size_t min_capacity = MetaspaceAux::min_chunk_size(); |
36 size_t max_capacity = MetaspaceAux::reserved_in_bytes(); |
38 size_t max_capacity = MetaspaceAux::reserved_in_bytes(); |
37 size_t curr_capacity = MetaspaceAux::capacity_in_bytes(); |
39 size_t curr_capacity = MetaspaceAux::capacity_in_bytes(); |
38 size_t used = MetaspaceAux::used_in_bytes(); |
40 size_t used = MetaspaceAux::used_in_bytes(); |
39 |
41 |
40 initialize(min_capacity, max_capacity, curr_capacity, used); |
42 initialize(min_capacity, max_capacity, curr_capacity, used); |
41 } |
43 } |
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44 } |
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45 |
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46 static PerfVariable* create_ms_variable(const char *ns, |
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47 const char *name, |
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48 size_t value, |
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49 TRAPS) { |
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50 const char *path = PerfDataManager::counter_name(ns, name); |
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51 PerfVariable *result = |
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52 PerfDataManager::create_variable(SUN_GC, path, PerfData::U_Bytes, value, |
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53 CHECK_NULL); |
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54 return result; |
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55 } |
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56 |
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57 static void create_ms_constant(const char *ns, |
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58 const char *name, |
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59 size_t value, |
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60 TRAPS) { |
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61 const char *path = PerfDataManager::counter_name(ns, name); |
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62 PerfDataManager::create_constant(SUN_GC, path, PerfData::U_Bytes, value, CHECK); |
42 } |
63 } |
43 |
64 |
44 void MetaspaceCounters::initialize(size_t min_capacity, |
65 void MetaspaceCounters::initialize(size_t min_capacity, |
45 size_t max_capacity, |
66 size_t max_capacity, |
46 size_t curr_capacity, |
67 size_t curr_capacity, |
48 |
69 |
49 if (UsePerfData) { |
70 if (UsePerfData) { |
50 EXCEPTION_MARK; |
71 EXCEPTION_MARK; |
51 ResourceMark rm; |
72 ResourceMark rm; |
52 |
73 |
53 // Create a name that will be recognized by jstat tools as |
74 const char *ms = "metaspace"; |
54 // the perm gen. Change this to a Metaspace name when the |
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55 // tools are fixed. |
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56 // name to recognize "sun.gc.generation.2.*" |
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57 |
75 |
58 const char* name = METASPACE_NAME; |
76 create_ms_constant(ms, "minCapacity", min_capacity, CHECK); |
59 const int ordinal = 2; |
77 _max_capacity = create_ms_variable(ms, "maxCapacity", max_capacity, CHECK); |
60 const int spaces = 1; |
78 _capacity = create_ms_variable(ms, "capacity", curr_capacity, CHECK); |
61 |
79 _used = create_ms_variable(ms, "used", used, CHECK); |
62 const char* cns = PerfDataManager::name_space("generation", ordinal); |
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63 |
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64 _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtClass); |
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65 strcpy(_name_space, cns); |
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66 |
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67 const char* cname = PerfDataManager::counter_name(_name_space, "name"); |
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68 PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK); |
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69 |
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70 // End of perm gen like name creation |
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71 |
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72 cname = PerfDataManager::counter_name(_name_space, "spaces"); |
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73 PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_None, |
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74 spaces, CHECK); |
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75 |
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76 cname = PerfDataManager::counter_name(_name_space, "minCapacity"); |
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77 PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes, |
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78 min_capacity, CHECK); |
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79 |
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80 cname = PerfDataManager::counter_name(_name_space, "maxCapacity"); |
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81 PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes, |
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82 max_capacity, CHECK); |
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83 |
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84 cname = PerfDataManager::counter_name(_name_space, "capacity"); |
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85 _current_size = |
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86 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes, |
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87 curr_capacity, CHECK); |
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88 |
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89 // SpaceCounter like counters |
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90 // name to recognize "sun.gc.generation.2.space.0.*" |
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91 { |
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92 const int space_ordinal = 0; |
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93 const char* cns = PerfDataManager::name_space(_name_space, "space", |
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94 space_ordinal); |
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95 |
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96 char* space_name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtClass); |
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97 strcpy(space_name_space, cns); |
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98 |
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99 const char* cname = PerfDataManager::counter_name(space_name_space, "name"); |
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100 PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK); |
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101 |
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102 cname = PerfDataManager::counter_name(space_name_space, "maxCapacity"); |
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103 _max_capacity = PerfDataManager::create_variable(SUN_GC, cname, |
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104 PerfData::U_Bytes, |
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105 (jlong)max_capacity, CHECK); |
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106 |
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107 cname = PerfDataManager::counter_name(space_name_space, "capacity"); |
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108 _capacity = PerfDataManager::create_variable(SUN_GC, cname, |
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109 PerfData::U_Bytes, |
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110 curr_capacity, CHECK); |
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111 |
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112 cname = PerfDataManager::counter_name(space_name_space, "used"); |
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113 _used = PerfDataManager::create_variable(SUN_GC, |
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114 cname, |
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115 PerfData::U_Bytes, |
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116 used, |
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117 CHECK); |
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118 |
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119 cname = PerfDataManager::counter_name(space_name_space, "initCapacity"); |
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120 PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes, |
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121 min_capacity, CHECK); |
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122 } |
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123 } |
80 } |
124 } |
81 } |
125 |
82 |
126 void MetaspaceCounters::update_capacity() { |
83 void MetaspaceCounters::update_capacity() { |
127 assert(UsePerfData, "Should not be called unless being used"); |
84 assert(UsePerfData, "Should not be called unless being used"); |
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85 assert(_capacity != NULL, "Should be initialized"); |
128 size_t capacity_in_bytes = MetaspaceAux::capacity_in_bytes(); |
86 size_t capacity_in_bytes = MetaspaceAux::capacity_in_bytes(); |
129 _capacity->set_value(capacity_in_bytes); |
87 _capacity->set_value(capacity_in_bytes); |
130 } |
88 } |
131 |
89 |
132 void MetaspaceCounters::update_used() { |
90 void MetaspaceCounters::update_used() { |
133 assert(UsePerfData, "Should not be called unless being used"); |
91 assert(UsePerfData, "Should not be called unless being used"); |
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92 assert(_used != NULL, "Should be initialized"); |
134 size_t used_in_bytes = MetaspaceAux::used_in_bytes(); |
93 size_t used_in_bytes = MetaspaceAux::used_in_bytes(); |
135 _used->set_value(used_in_bytes); |
94 _used->set_value(used_in_bytes); |
136 } |
95 } |
137 |
96 |
138 void MetaspaceCounters::update_max_capacity() { |
97 void MetaspaceCounters::update_max_capacity() { |
139 assert(UsePerfData, "Should not be called unless being used"); |
98 assert(UsePerfData, "Should not be called unless being used"); |
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99 assert(_max_capacity != NULL, "Should be initialized"); |
140 size_t reserved_in_bytes = MetaspaceAux::reserved_in_bytes(); |
100 size_t reserved_in_bytes = MetaspaceAux::reserved_in_bytes(); |
141 _max_capacity->set_value(reserved_in_bytes); |
101 _max_capacity->set_value(reserved_in_bytes); |
142 } |
102 } |
143 |
103 |
144 void MetaspaceCounters::update_all() { |
104 void MetaspaceCounters::update_all() { |
145 if (UsePerfData) { |
105 if (UsePerfData) { |
146 update_used(); |
106 update_used(); |
147 update_capacity(); |
107 update_capacity(); |
148 update_max_capacity(); |
108 update_max_capacity(); |
149 _current_size->set_value(MetaspaceAux::reserved_in_bytes()); |
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150 } |
109 } |
151 } |
110 } |
152 |
111 |
153 void MetaspaceCounters::initialize_performance_counters() { |
112 void MetaspaceCounters::initialize_performance_counters() { |
154 if (UsePerfData) { |
113 if (UsePerfData) { |
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114 assert(_metaspace_counters == NULL, "Should only be initialized once"); |
155 _metaspace_counters = new MetaspaceCounters(); |
115 _metaspace_counters = new MetaspaceCounters(); |
156 } |
116 } |
157 } |
117 } |
158 |
118 |
159 void MetaspaceCounters::update_performance_counters() { |
119 void MetaspaceCounters::update_performance_counters() { |
160 if (UsePerfData) { |
120 if (UsePerfData) { |
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121 assert(_metaspace_counters != NULL, "Should be initialized"); |
161 _metaspace_counters->update_all(); |
122 _metaspace_counters->update_all(); |
162 } |
123 } |
163 } |
124 } |
164 |
125 |