139 void dump(outputStream* const out) const;
140
141 void print_on(outputStream* st) const;
142 // Debugging support
143 void verify();
144 };
145
146 class MetaspaceAux : AllStatic {
147
148 // Statistics for class space and data space in metaspace.
149 static size_t used_in_bytes(Metaspace::MetadataType mdtype);
150 static size_t free_in_bytes(Metaspace::MetadataType mdtype);
151 static size_t capacity_in_bytes(Metaspace::MetadataType mdtype);
152 static size_t reserved_in_bytes(Metaspace::MetadataType mdtype);
153
154 static size_t free_chunks_total(Metaspace::MetadataType mdtype);
155 static size_t free_chunks_total_in_bytes(Metaspace::MetadataType mdtype);
156
157 public:
158 // Total of space allocated to metadata in all Metaspaces
159 static size_t used_in_bytes();
160
161 // Total of available space in all Metaspaces
162 // Total of capacity allocated to all Metaspaces. This includes
163 // space in Metachunks not yet allocated and in the Metachunk
164 // freelist.
165 static size_t capacity_in_bytes();
166
167 // Total space reserved in all Metaspaces
168 static size_t reserved_in_bytes();
169
170 static size_t min_chunk_size();
171
172 // Print change in used metadata.
173 static void print_metaspace_change(size_t prev_metadata_used);
174 static void print_on(outputStream * out);
175 static void print_on(outputStream * out, Metaspace::MetadataType mdtype);
176
177 static void print_waste(outputStream* out);
178 static void dump(outputStream* out);
179 static void verify_free_chunks();
180 };
181
182 // Metaspace are deallocated when their class loader are GC'ed.
183 // This class implements a policy for inducing GC's to recover
184 // Metaspaces.
185
186 class MetaspaceGC : AllStatic {
187
188 // The current high-water-mark for inducing a GC. When
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139 void dump(outputStream* const out) const;
140
141 void print_on(outputStream* st) const;
142 // Debugging support
143 void verify();
144 };
145
146 class MetaspaceAux : AllStatic {
147
148 // Statistics for class space and data space in metaspace.
149 static size_t used_in_bytes(Metaspace::MetadataType mdtype);
150 static size_t free_in_bytes(Metaspace::MetadataType mdtype);
151 static size_t capacity_in_bytes(Metaspace::MetadataType mdtype);
152 static size_t reserved_in_bytes(Metaspace::MetadataType mdtype);
153
154 static size_t free_chunks_total(Metaspace::MetadataType mdtype);
155 static size_t free_chunks_total_in_bytes(Metaspace::MetadataType mdtype);
156
157 public:
158 // Total of space allocated to metadata in all Metaspaces
159 static size_t used_in_bytes() {
160 return used_in_bytes(Metaspace::ClassType) +
161 used_in_bytes(Metaspace::NonClassType);
162 }
163
164 // Total of available space in all Metaspaces
165 // Total of capacity allocated to all Metaspaces. This includes
166 // space in Metachunks not yet allocated and in the Metachunk
167 // freelist.
168 static size_t capacity_in_bytes() {
169 return capacity_in_bytes(Metaspace::ClassType) +
170 capacity_in_bytes(Metaspace::NonClassType);
171 }
172
173 // Total space reserved in all Metaspaces
174 static size_t reserved_in_bytes() {
175 return reserved_in_bytes(Metaspace::ClassType) +
176 reserved_in_bytes(Metaspace::NonClassType);
177 }
178
179 static size_t min_chunk_size();
180
181 // Print change in used metadata.
182 static void print_metaspace_change(size_t prev_metadata_used);
183 static void print_on(outputStream * out);
184 static void print_on(outputStream * out, Metaspace::MetadataType mdtype);
185
186 static void print_waste(outputStream* out);
187 static void dump(outputStream* out);
188 static void verify_free_chunks();
189 };
190
191 // Metaspace are deallocated when their class loader are GC'ed.
192 // This class implements a policy for inducing GC's to recover
193 // Metaspaces.
194
195 class MetaspaceGC : AllStatic {
196
197 // The current high-water-mark for inducing a GC. When
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