8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "classfile/systemDictionary.hpp"
27 #include "classfile/vmSymbols.hpp"
28 #include "gc/serial/defNewGeneration.hpp"
29 #include "gc/shared/space.hpp"
30 #include "memory/metaspace.hpp"
31 #include "oops/oop.inline.hpp"
32 #include "runtime/handles.inline.hpp"
33 #include "runtime/javaCalls.hpp"
34 #include "runtime/orderAccess.inline.hpp"
35 #include "services/lowMemoryDetector.hpp"
36 #include "services/management.hpp"
37 #include "services/memoryManager.hpp"
38 #include "services/memoryPool.hpp"
39 #include "utilities/globalDefinitions.hpp"
40 #include "utilities/macros.hpp"
41 #if INCLUDE_ALL_GCS
42 #include "gc/cms/compactibleFreeListSpace.hpp"
43 #endif
44
45 MemoryPool::MemoryPool(const char* name,
46 PoolType type,
47 size_t init_size,
48 size_t max_size,
49 bool support_usage_threshold,
50 bool support_gc_threshold) {
51 _name = name;
52 _initial_size = init_size;
53 _max_size = max_size;
54 (void)const_cast<instanceOop&>(_memory_pool_obj = instanceOop(NULL));
55 _available_for_allocation = true;
56 _num_managers = 0;
57 _type = type;
58
59 // initialize the max and init size of collection usage
60 _after_gc_usage = MemoryUsage(_initial_size, 0, 0, _max_size);
61
62 _usage_sensor = NULL;
63 _gc_usage_sensor = NULL;
163 sensor->set_sensor(sh());
164 *sensor_ptr = sensor;
165 }
166
167 void MemoryPool::set_usage_sensor_obj(instanceHandle sh) {
168 set_sensor_obj_at(&_usage_sensor, sh);
169 }
170
171 void MemoryPool::set_gc_usage_sensor_obj(instanceHandle sh) {
172 set_sensor_obj_at(&_gc_usage_sensor, sh);
173 }
174
175 void MemoryPool::oops_do(OopClosure* f) {
176 f->do_oop((oop*) &_memory_pool_obj);
177 if (_usage_sensor != NULL) {
178 _usage_sensor->oops_do(f);
179 }
180 if (_gc_usage_sensor != NULL) {
181 _gc_usage_sensor->oops_do(f);
182 }
183 }
184
185 ContiguousSpacePool::ContiguousSpacePool(ContiguousSpace* space,
186 const char* name,
187 PoolType type,
188 size_t max_size,
189 bool support_usage_threshold) :
190 CollectedMemoryPool(name, type, space->capacity(), max_size,
191 support_usage_threshold), _space(space) {
192 }
193
194 size_t ContiguousSpacePool::used_in_bytes() {
195 return space()->used();
196 }
197
198 MemoryUsage ContiguousSpacePool::get_memory_usage() {
199 size_t maxSize = (available_for_allocation() ? max_size() : 0);
200 size_t used = used_in_bytes();
201 size_t committed = _space->capacity();
202
203 return MemoryUsage(initial_size(), used, committed, maxSize);
204 }
205
206 SurvivorContiguousSpacePool::SurvivorContiguousSpacePool(DefNewGeneration* young_gen,
207 const char* name,
208 PoolType type,
209 size_t max_size,
210 bool support_usage_threshold) :
211 CollectedMemoryPool(name, type, young_gen->from()->capacity(), max_size,
212 support_usage_threshold), _young_gen(young_gen) {
213 }
214
215 size_t SurvivorContiguousSpacePool::used_in_bytes() {
216 return _young_gen->from()->used();
217 }
218
219 size_t SurvivorContiguousSpacePool::committed_in_bytes() {
220 return _young_gen->from()->capacity();
221 }
222
223 MemoryUsage SurvivorContiguousSpacePool::get_memory_usage() {
224 size_t maxSize = (available_for_allocation() ? max_size() : 0);
225 size_t used = used_in_bytes();
226 size_t committed = committed_in_bytes();
227
228 return MemoryUsage(initial_size(), used, committed, maxSize);
229 }
230
231 #if INCLUDE_ALL_GCS
232 CompactibleFreeListSpacePool::CompactibleFreeListSpacePool(CompactibleFreeListSpace* space,
233 const char* name,
234 PoolType type,
235 size_t max_size,
236 bool support_usage_threshold) :
237 CollectedMemoryPool(name, type, space->capacity(), max_size,
238 support_usage_threshold), _space(space) {
239 }
240
241 size_t CompactibleFreeListSpacePool::used_in_bytes() {
242 return _space->used();
243 }
244
245 MemoryUsage CompactibleFreeListSpacePool::get_memory_usage() {
246 size_t maxSize = (available_for_allocation() ? max_size() : 0);
247 size_t used = used_in_bytes();
248 size_t committed = _space->capacity();
249
250 return MemoryUsage(initial_size(), used, committed, maxSize);
251 }
252 #endif // INCLUDE_ALL_GCS
253
254 GenerationPool::GenerationPool(Generation* gen,
255 const char* name,
256 PoolType type,
257 bool support_usage_threshold) :
258 CollectedMemoryPool(name, type, gen->capacity(), gen->max_capacity(),
259 support_usage_threshold), _gen(gen) {
260 }
261
262 size_t GenerationPool::used_in_bytes() {
263 return _gen->used();
264 }
265
266 MemoryUsage GenerationPool::get_memory_usage() {
267 size_t used = used_in_bytes();
268 size_t committed = _gen->capacity();
269 size_t maxSize = (available_for_allocation() ? max_size() : 0);
270
271 return MemoryUsage(initial_size(), used, committed, maxSize);
272 }
273
274 CodeHeapPool::CodeHeapPool(CodeHeap* codeHeap, const char* name, bool support_usage_threshold) :
275 MemoryPool(name, NonHeap, codeHeap->capacity(), codeHeap->max_capacity(),
276 support_usage_threshold, false), _codeHeap(codeHeap) {
277 }
278
279 MemoryUsage CodeHeapPool::get_memory_usage() {
280 size_t used = used_in_bytes();
281 size_t committed = _codeHeap->capacity();
282 size_t maxSize = (available_for_allocation() ? max_size() : 0);
283
284 return MemoryUsage(initial_size(), used, committed, maxSize);
285 }
286
287 MetaspacePool::MetaspacePool() :
288 MemoryPool("Metaspace", NonHeap, 0, calculate_max_size(), true, false) { }
289
290 MemoryUsage MetaspacePool::get_memory_usage() {
291 size_t committed = MetaspaceAux::committed_bytes();
|
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "classfile/systemDictionary.hpp"
27 #include "classfile/vmSymbols.hpp"
28 #include "memory/metaspace.hpp"
29 #include "oops/oop.inline.hpp"
30 #include "runtime/handles.inline.hpp"
31 #include "runtime/javaCalls.hpp"
32 #include "runtime/orderAccess.inline.hpp"
33 #include "services/lowMemoryDetector.hpp"
34 #include "services/management.hpp"
35 #include "services/memoryManager.hpp"
36 #include "services/memoryPool.hpp"
37 #include "utilities/globalDefinitions.hpp"
38 #include "utilities/macros.hpp"
39
40 MemoryPool::MemoryPool(const char* name,
41 PoolType type,
42 size_t init_size,
43 size_t max_size,
44 bool support_usage_threshold,
45 bool support_gc_threshold) {
46 _name = name;
47 _initial_size = init_size;
48 _max_size = max_size;
49 (void)const_cast<instanceOop&>(_memory_pool_obj = instanceOop(NULL));
50 _available_for_allocation = true;
51 _num_managers = 0;
52 _type = type;
53
54 // initialize the max and init size of collection usage
55 _after_gc_usage = MemoryUsage(_initial_size, 0, 0, _max_size);
56
57 _usage_sensor = NULL;
58 _gc_usage_sensor = NULL;
158 sensor->set_sensor(sh());
159 *sensor_ptr = sensor;
160 }
161
162 void MemoryPool::set_usage_sensor_obj(instanceHandle sh) {
163 set_sensor_obj_at(&_usage_sensor, sh);
164 }
165
166 void MemoryPool::set_gc_usage_sensor_obj(instanceHandle sh) {
167 set_sensor_obj_at(&_gc_usage_sensor, sh);
168 }
169
170 void MemoryPool::oops_do(OopClosure* f) {
171 f->do_oop((oop*) &_memory_pool_obj);
172 if (_usage_sensor != NULL) {
173 _usage_sensor->oops_do(f);
174 }
175 if (_gc_usage_sensor != NULL) {
176 _gc_usage_sensor->oops_do(f);
177 }
178 }
179
180 CodeHeapPool::CodeHeapPool(CodeHeap* codeHeap, const char* name, bool support_usage_threshold) :
181 MemoryPool(name, NonHeap, codeHeap->capacity(), codeHeap->max_capacity(),
182 support_usage_threshold, false), _codeHeap(codeHeap) {
183 }
184
185 MemoryUsage CodeHeapPool::get_memory_usage() {
186 size_t used = used_in_bytes();
187 size_t committed = _codeHeap->capacity();
188 size_t maxSize = (available_for_allocation() ? max_size() : 0);
189
190 return MemoryUsage(initial_size(), used, committed, maxSize);
191 }
192
193 MetaspacePool::MetaspacePool() :
194 MemoryPool("Metaspace", NonHeap, 0, calculate_max_size(), true, false) { }
195
196 MemoryUsage MetaspacePool::get_memory_usage() {
197 size_t committed = MetaspaceAux::committed_bytes();
|