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comparison src/share/vm/memory/metaspaceCounters.cpp @ 8680:0624b9d81255

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8004172: Update jstat counter names to reflect metaspace changes Reviewed-by: stefank, jmasa
author ehelin
date Mon, 04 Mar 2013 13:01:24 +0100
parents 79f492f184d0
children 868d87ed63c8
comparison
equal deleted inserted replaced
8679:a252e688abcf 8680:0624b9d81255
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"
30 29
31 MetaspaceCounters* MetaspaceCounters::_metaspace_counters = NULL; 30 MetaspaceCounters* MetaspaceCounters::_metaspace_counters = NULL;
32 31
33 MetaspaceCounters::MetaspaceCounters() { 32 MetaspaceCounters::MetaspaceCounters() :
33 _capacity(NULL),
34 _used(NULL),
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 }
44 }
45
46 static PerfVariable* create_ms_variable(const char *ns,
47 const char *name,
48 size_t value,
49 TRAPS) {
50 const char *path = PerfDataManager::counter_name(ns, name);
51 PerfVariable *result =
52 PerfDataManager::create_variable(SUN_GC, path, PerfData::U_Bytes, value,
53 CHECK_NULL);
54 return result;
55 }
56
57 static void create_ms_constant(const char *ns,
58 const char *name,
59 size_t value,
60 TRAPS) {
61 const char *path = PerfDataManager::counter_name(ns, name);
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
55 // tools are fixed.
56 // name to recognize "sun.gc.generation.2.*"
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);
63
64 _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtClass);
65 strcpy(_name_space, cns);
66
67 const char* cname = PerfDataManager::counter_name(_name_space, "name");
68 PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);
69
70 // End of perm gen like name creation
71
72 cname = PerfDataManager::counter_name(_name_space, "spaces");
73 PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_None,
74 spaces, CHECK);
75
76 cname = PerfDataManager::counter_name(_name_space, "minCapacity");
77 PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
78 min_capacity, CHECK);
79
80 cname = PerfDataManager::counter_name(_name_space, "maxCapacity");
81 PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
82 max_capacity, CHECK);
83
84 cname = PerfDataManager::counter_name(_name_space, "capacity");
85 _current_size =
86 PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
87 curr_capacity, CHECK);
88
89 // SpaceCounter like counters
90 // name to recognize "sun.gc.generation.2.space.0.*"
91 {
92 const int space_ordinal = 0;
93 const char* cns = PerfDataManager::name_space(_name_space, "space",
94 space_ordinal);
95
96 char* space_name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtClass);
97 strcpy(space_name_space, cns);
98
99 const char* cname = PerfDataManager::counter_name(space_name_space, "name");
100 PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);
101
102 cname = PerfDataManager::counter_name(space_name_space, "maxCapacity");
103 _max_capacity = PerfDataManager::create_variable(SUN_GC, cname,
104 PerfData::U_Bytes,
105 (jlong)max_capacity, CHECK);
106
107 cname = PerfDataManager::counter_name(space_name_space, "capacity");
108 _capacity = PerfDataManager::create_variable(SUN_GC, cname,
109 PerfData::U_Bytes,
110 curr_capacity, CHECK);
111
112 cname = PerfDataManager::counter_name(space_name_space, "used");
113 _used = PerfDataManager::create_variable(SUN_GC,
114 cname,
115 PerfData::U_Bytes,
116 used,
117 CHECK);
118
119 cname = PerfDataManager::counter_name(space_name_space, "initCapacity");
120 PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
121 min_capacity, CHECK);
122 }
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");
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");
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");
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());
150 } 109 }
151 } 110 }
152 111
153 void MetaspaceCounters::initialize_performance_counters() { 112 void MetaspaceCounters::initialize_performance_counters() {
154 if (UsePerfData) { 113 if (UsePerfData) {
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) {
121 assert(_metaspace_counters != NULL, "Should be initialized");
161 _metaspace_counters->update_all(); 122 _metaspace_counters->update_all();
162 } 123 }
163 } 124 }
164 125