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comparison src/share/vm/services/virtualMemoryTracker.hpp @ 20553:417e3b8d04c5

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8059100: SIGSEGV VirtualMemoryTracker::remove_released_region Summary: Disallow increasing native memory tracking level Reviewed-by: hseigel, ctornqvi, gtriantafill
author coleenp
date Fri, 10 Oct 2014 19:36:12 +0000
parents c6211b707068
children
comparison
equal deleted inserted replaced
20547:fffbcc20bf61 20553:417e3b8d04c5
60 inline void uncommit_memory(size_t sz) { 60 inline void uncommit_memory(size_t sz) {
61 assert(_committed >= sz, "Negative amount"); 61 assert(_committed >= sz, "Negative amount");
62 _committed -= sz; 62 _committed -= sz;
63 } 63 }
64 64
65 void reset() {
66 _reserved = 0;
67 _committed = 0;
68 }
69
70 inline size_t reserved() const { return _reserved; } 65 inline size_t reserved() const { return _reserved; }
71 inline size_t committed() const { return _committed; } 66 inline size_t committed() const { return _committed; }
72 }; 67 };
73 68
74 // Virtual memory allocation site, keeps track where the virtual memory is reserved. 69 // Virtual memory allocation site, keeps track where the virtual memory is reserved.
119 size_t amount = 0; 114 size_t amount = 0;
120 for (int index = 0; index < mt_number_of_types; index ++) { 115 for (int index = 0; index < mt_number_of_types; index ++) {
121 amount += _virtual_memory[index].committed(); 116 amount += _virtual_memory[index].committed();
122 } 117 }
123 return amount; 118 return amount;
124 }
125
126 inline void reset() {
127 for (int index = 0; index < mt_number_of_types; index ++) {
128 _virtual_memory[index].reset();
129 }
130 } 119 }
131 120
132 void copy_to(VirtualMemorySnapshot* s) { 121 void copy_to(VirtualMemorySnapshot* s) {
133 for (int index = 0; index < mt_number_of_types; index ++) { 122 for (int index = 0; index < mt_number_of_types; index ++) {
134 s->_virtual_memory[index] = _virtual_memory[index]; 123 s->_virtual_memory[index] = _virtual_memory[index];
170 as_snapshot()->by_type(to)->commit_memory(size); 159 as_snapshot()->by_type(to)->commit_memory(size);
171 } 160 }
172 161
173 static inline void snapshot(VirtualMemorySnapshot* s) { 162 static inline void snapshot(VirtualMemorySnapshot* s) {
174 as_snapshot()->copy_to(s); 163 as_snapshot()->copy_to(s);
175 }
176
177 static inline void reset() {
178 as_snapshot()->reset();
179 } 164 }
180 165
181 static VirtualMemorySnapshot* as_snapshot() { 166 static VirtualMemorySnapshot* as_snapshot() {
182 return (VirtualMemorySnapshot*)_snapshot; 167 return (VirtualMemorySnapshot*)_snapshot;
183 } 168 }