Mercurial > hg > truffle
annotate src/share/vm/services/memoryPool.cpp @ 20197:ce8f6bb717c9
8042195: Introduce umbrella header orderAccess.inline.hpp.
Reviewed-by: dholmes, kvn, stefank, twisti
| author | goetz |
|---|---|
| date | Tue, 29 Apr 2014 15:17:27 +0200 |
| parents | 270d7cb38f40 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
12316
190899198332
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
12248
diff
changeset
|
2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 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 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/systemDictionary.hpp" | |
| 27 #include "classfile/vmSymbols.hpp" | |
|
11039
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
28 #include "memory/metaspace.hpp" |
| 1972 | 29 #include "oops/oop.inline.hpp" |
| 30 #include "runtime/handles.inline.hpp" | |
| 31 #include "runtime/javaCalls.hpp" | |
|
20197
ce8f6bb717c9
8042195: Introduce umbrella header orderAccess.inline.hpp.
goetz
parents:
17866
diff
changeset
|
32 #include "runtime/orderAccess.inline.hpp" |
| 1972 | 33 #include "services/lowMemoryDetector.hpp" |
| 34 #include "services/management.hpp" | |
| 35 #include "services/memoryManager.hpp" | |
| 36 #include "services/memoryPool.hpp" | |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
6725
diff
changeset
|
37 #include "utilities/macros.hpp" |
|
11039
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
38 #include "utilities/globalDefinitions.hpp" |
| 0 | 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; | |
|
12316
190899198332
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
12248
diff
changeset
|
49 (void)const_cast<instanceOop&>(_memory_pool_obj = NULL); |
| 0 | 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; | |
| 59 // usage threshold supports both high and low threshold | |
| 60 _usage_threshold = new ThresholdSupport(support_usage_threshold, support_usage_threshold); | |
| 61 // gc usage threshold supports only high threshold | |
| 62 _gc_usage_threshold = new ThresholdSupport(support_gc_threshold, support_gc_threshold); | |
| 63 } | |
| 64 | |
| 65 void MemoryPool::add_manager(MemoryManager* mgr) { | |
| 66 assert(_num_managers < MemoryPool::max_num_managers, "_num_managers exceeds the max"); | |
| 67 if (_num_managers < MemoryPool::max_num_managers) { | |
| 68 _managers[_num_managers] = mgr; | |
| 69 _num_managers++; | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 | |
| 74 // Returns an instanceHandle of a MemoryPool object. | |
| 75 // It creates a MemoryPool instance when the first time | |
| 76 // this function is called. | |
| 77 instanceOop MemoryPool::get_memory_pool_instance(TRAPS) { | |
| 78 // Must do an acquire so as to force ordering of subsequent | |
| 79 // loads from anything _memory_pool_obj points to or implies. | |
| 80 instanceOop pool_obj = (instanceOop)OrderAccess::load_ptr_acquire(&_memory_pool_obj); | |
| 81 if (pool_obj == NULL) { | |
| 82 // It's ok for more than one thread to execute the code up to the locked region. | |
| 83 // Extra pool instances will just be gc'ed. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
2426
diff
changeset
|
84 Klass* k = Management::sun_management_ManagementFactory_klass(CHECK_NULL); |
| 0 | 85 instanceKlassHandle ik(THREAD, k); |
| 86 | |
| 87 Handle pool_name = java_lang_String::create_from_str(_name, CHECK_NULL); | |
| 88 jlong usage_threshold_value = (_usage_threshold->is_high_threshold_supported() ? 0 : -1L); | |
| 89 jlong gc_usage_threshold_value = (_gc_usage_threshold->is_high_threshold_supported() ? 0 : -1L); | |
| 90 | |
| 91 JavaValue result(T_OBJECT); | |
| 92 JavaCallArguments args; | |
| 93 args.push_oop(pool_name); // Argument 1 | |
| 94 args.push_int((int) is_heap()); // Argument 2 | |
| 95 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
96 Symbol* method_name = vmSymbols::createMemoryPool_name(); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
97 Symbol* signature = vmSymbols::createMemoryPool_signature(); |
| 0 | 98 |
| 99 args.push_long(usage_threshold_value); // Argument 3 | |
| 100 args.push_long(gc_usage_threshold_value); // Argument 4 | |
| 101 | |
| 102 JavaCalls::call_static(&result, | |
| 103 ik, | |
| 104 method_name, | |
| 105 signature, | |
| 106 &args, | |
| 107 CHECK_NULL); | |
| 108 | |
| 109 instanceOop p = (instanceOop) result.get_jobject(); | |
| 110 instanceHandle pool(THREAD, p); | |
| 111 | |
| 112 { | |
| 113 // Get lock since another thread may have create the instance | |
| 114 MutexLocker ml(Management_lock); | |
| 115 | |
| 116 // Check if another thread has created the pool. We reload | |
| 117 // _memory_pool_obj here because some other thread may have | |
| 118 // initialized it while we were executing the code before the lock. | |
| 119 // | |
| 120 // The lock has done an acquire, so the load can't float above it, | |
| 121 // but we need to do a load_acquire as above. | |
| 122 pool_obj = (instanceOop)OrderAccess::load_ptr_acquire(&_memory_pool_obj); | |
| 123 if (pool_obj != NULL) { | |
| 124 return pool_obj; | |
| 125 } | |
| 126 | |
| 127 // Get the address of the object we created via call_special. | |
| 128 pool_obj = pool(); | |
| 129 | |
| 130 // Use store barrier to make sure the memory accesses associated | |
| 131 // with creating the pool are visible before publishing its address. | |
| 132 // The unlock will publish the store to _memory_pool_obj because | |
| 133 // it does a release first. | |
| 134 OrderAccess::release_store_ptr(&_memory_pool_obj, pool_obj); | |
| 135 } | |
| 136 } | |
| 137 | |
| 138 return pool_obj; | |
| 139 } | |
| 140 | |
| 141 inline static size_t get_max_value(size_t val1, size_t val2) { | |
| 142 return (val1 > val2 ? val1 : val2); | |
| 143 } | |
| 144 | |
| 145 void MemoryPool::record_peak_memory_usage() { | |
| 146 // Caller in JDK is responsible for synchronization - | |
| 147 // acquire the lock for this memory pool before calling VM | |
| 148 MemoryUsage usage = get_memory_usage(); | |
| 149 size_t peak_used = get_max_value(usage.used(), _peak_usage.used()); | |
| 150 size_t peak_committed = get_max_value(usage.committed(), _peak_usage.committed()); | |
| 151 size_t peak_max_size = get_max_value(usage.max_size(), _peak_usage.max_size()); | |
| 152 | |
| 153 _peak_usage = MemoryUsage(initial_size(), peak_used, peak_committed, peak_max_size); | |
| 154 } | |
| 155 | |
| 156 static void set_sensor_obj_at(SensorInfo** sensor_ptr, instanceHandle sh) { | |
| 157 assert(*sensor_ptr == NULL, "Should be called only once"); | |
| 158 SensorInfo* sensor = new SensorInfo(); | |
| 159 sensor->set_sensor(sh()); | |
| 160 *sensor_ptr = sensor; | |
| 161 } | |
| 162 | |
| 163 void MemoryPool::set_usage_sensor_obj(instanceHandle sh) { | |
| 164 set_sensor_obj_at(&_usage_sensor, sh); | |
| 165 } | |
| 166 | |
| 167 void MemoryPool::set_gc_usage_sensor_obj(instanceHandle sh) { | |
| 168 set_sensor_obj_at(&_gc_usage_sensor, sh); | |
| 169 } | |
| 170 | |
| 171 void MemoryPool::oops_do(OopClosure* f) { | |
| 172 f->do_oop((oop*) &_memory_pool_obj); | |
| 173 if (_usage_sensor != NULL) { | |
| 174 _usage_sensor->oops_do(f); | |
| 175 } | |
| 176 if (_gc_usage_sensor != NULL) { | |
| 177 _gc_usage_sensor->oops_do(f); | |
| 178 } | |
| 179 } | |
| 180 | |
| 181 ContiguousSpacePool::ContiguousSpacePool(ContiguousSpace* space, | |
| 182 const char* name, | |
| 183 PoolType type, | |
| 184 size_t max_size, | |
| 185 bool support_usage_threshold) : | |
| 186 CollectedMemoryPool(name, type, space->capacity(), max_size, | |
| 187 support_usage_threshold), _space(space) { | |
| 188 } | |
| 189 | |
| 190 MemoryUsage ContiguousSpacePool::get_memory_usage() { | |
| 191 size_t maxSize = (available_for_allocation() ? max_size() : 0); | |
| 192 size_t used = used_in_bytes(); | |
| 193 size_t committed = _space->capacity(); | |
| 194 | |
| 195 return MemoryUsage(initial_size(), used, committed, maxSize); | |
| 196 } | |
| 197 | |
| 198 SurvivorContiguousSpacePool::SurvivorContiguousSpacePool(DefNewGeneration* gen, | |
| 199 const char* name, | |
| 200 PoolType type, | |
| 201 size_t max_size, | |
| 202 bool support_usage_threshold) : | |
| 203 CollectedMemoryPool(name, type, gen->from()->capacity(), max_size, | |
| 204 support_usage_threshold), _gen(gen) { | |
| 205 } | |
| 206 | |
| 207 MemoryUsage SurvivorContiguousSpacePool::get_memory_usage() { | |
| 208 size_t maxSize = (available_for_allocation() ? max_size() : 0); | |
| 209 size_t used = used_in_bytes(); | |
| 210 size_t committed = committed_in_bytes(); | |
| 211 | |
| 212 return MemoryUsage(initial_size(), used, committed, maxSize); | |
| 213 } | |
| 214 | |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
6725
diff
changeset
|
215 #if INCLUDE_ALL_GCS |
| 0 | 216 CompactibleFreeListSpacePool::CompactibleFreeListSpacePool(CompactibleFreeListSpace* space, |
| 217 const char* name, | |
| 218 PoolType type, | |
| 219 size_t max_size, | |
| 220 bool support_usage_threshold) : | |
| 221 CollectedMemoryPool(name, type, space->capacity(), max_size, | |
| 222 support_usage_threshold), _space(space) { | |
| 223 } | |
| 224 | |
| 225 MemoryUsage CompactibleFreeListSpacePool::get_memory_usage() { | |
| 226 size_t maxSize = (available_for_allocation() ? max_size() : 0); | |
| 227 size_t used = used_in_bytes(); | |
| 228 size_t committed = _space->capacity(); | |
| 229 | |
| 230 return MemoryUsage(initial_size(), used, committed, maxSize); | |
| 231 } | |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
6725
diff
changeset
|
232 #endif // INCLUDE_ALL_GCS |
| 0 | 233 |
| 234 GenerationPool::GenerationPool(Generation* gen, | |
| 235 const char* name, | |
| 236 PoolType type, | |
| 237 bool support_usage_threshold) : | |
| 238 CollectedMemoryPool(name, type, gen->capacity(), gen->max_capacity(), | |
| 239 support_usage_threshold), _gen(gen) { | |
| 240 } | |
| 241 | |
| 242 MemoryUsage GenerationPool::get_memory_usage() { | |
| 243 size_t used = used_in_bytes(); | |
| 244 size_t committed = _gen->capacity(); | |
| 245 size_t maxSize = (available_for_allocation() ? max_size() : 0); | |
| 246 | |
| 247 return MemoryUsage(initial_size(), used, committed, maxSize); | |
| 248 } | |
| 249 | |
| 250 CodeHeapPool::CodeHeapPool(CodeHeap* codeHeap, const char* name, bool support_usage_threshold) : | |
| 251 MemoryPool(name, NonHeap, codeHeap->capacity(), codeHeap->max_capacity(), | |
| 252 support_usage_threshold, false), _codeHeap(codeHeap) { | |
| 253 } | |
| 254 | |
| 255 MemoryUsage CodeHeapPool::get_memory_usage() { | |
| 256 size_t used = used_in_bytes(); | |
| 257 size_t committed = _codeHeap->capacity(); | |
| 258 size_t maxSize = (available_for_allocation() ? max_size() : 0); | |
| 259 | |
| 260 return MemoryUsage(initial_size(), used, committed, maxSize); | |
| 261 } | |
|
11039
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
262 |
|
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
263 MetaspacePool::MetaspacePool() : |
|
12248
73d0d0218068
8024718: Metaspace performance counters and memory pools should report the same data
ehelin
parents:
12226
diff
changeset
|
264 MemoryPool("Metaspace", NonHeap, 0, calculate_max_size(), true, false) { } |
|
11039
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
265 |
|
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
266 MemoryUsage MetaspacePool::get_memory_usage() { |
|
12248
73d0d0218068
8024718: Metaspace performance counters and memory pools should report the same data
ehelin
parents:
12226
diff
changeset
|
267 size_t committed = MetaspaceAux::committed_bytes(); |
|
11039
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
268 return MemoryUsage(initial_size(), used_in_bytes(), committed, max_size()); |
|
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
269 } |
|
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
270 |
|
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
271 size_t MetaspacePool::used_in_bytes() { |
|
17866
270d7cb38f40
8038934: Remove prefix allocated_ from methods and variables in Metaspace
ehelin
parents:
12316
diff
changeset
|
272 return MetaspaceAux::used_bytes(); |
|
11039
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
273 } |
|
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
274 |
|
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
275 size_t MetaspacePool::calculate_max_size() const { |
|
12248
73d0d0218068
8024718: Metaspace performance counters and memory pools should report the same data
ehelin
parents:
12226
diff
changeset
|
276 return FLAG_IS_CMDLINE(MaxMetaspaceSize) ? MaxMetaspaceSize : |
|
73d0d0218068
8024718: Metaspace performance counters and memory pools should report the same data
ehelin
parents:
12226
diff
changeset
|
277 MemoryUsage::undefined_size(); |
|
11039
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
278 } |
|
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
279 |
|
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
280 CompressedKlassSpacePool::CompressedKlassSpacePool() : |
|
12248
73d0d0218068
8024718: Metaspace performance counters and memory pools should report the same data
ehelin
parents:
12226
diff
changeset
|
281 MemoryPool("Compressed Class Space", NonHeap, 0, CompressedClassSpaceSize, true, false) { } |
|
11039
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
282 |
|
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
283 size_t CompressedKlassSpacePool::used_in_bytes() { |
|
17866
270d7cb38f40
8038934: Remove prefix allocated_ from methods and variables in Metaspace
ehelin
parents:
12316
diff
changeset
|
284 return MetaspaceAux::used_bytes(Metaspace::ClassType); |
|
11039
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
285 } |
|
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
286 |
|
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
287 MemoryUsage CompressedKlassSpacePool::get_memory_usage() { |
|
12248
73d0d0218068
8024718: Metaspace performance counters and memory pools should report the same data
ehelin
parents:
12226
diff
changeset
|
288 size_t committed = MetaspaceAux::committed_bytes(Metaspace::ClassType); |
|
11039
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
289 return MemoryUsage(initial_size(), used_in_bytes(), committed, max_size()); |
|
71963b3f802a
8013590: NPG: Add a memory pool MXBean for Metaspace
ehelin
parents:
8827
diff
changeset
|
290 } |