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 "gc/serial/defNewGeneration.hpp"
  27 #include "gc/serial/serialHeap.hpp"
  28 #include "gc/shared/genMemoryPools.hpp"
  29 #include "services/memoryManager.hpp"
  30 
  31 SerialHeap::SerialHeap(GenCollectorPolicy* policy) :
  32   GenCollectedHeap(policy), _eden_pool(NULL), _survivor_pool(NULL), _old_pool(NULL) {
  33   _young_manager = new GCMemoryManager("Copy", "end of minor GC");
  34   _old_manager = new GCMemoryManager("MarkSweepCompact", "end of major GC");
  35 }
  36 
  37 jint SerialHeap::initialize() {
  38   jint status = GenCollectedHeap::initialize();
  39   if (status != JNI_OK) return status;
  40 
  41   DefNewGeneration* young = (DefNewGeneration*) young_gen();
  42 
  43   // Add a memory pool for each space and young gen doesn't
  44   // support low memory detection as it is expected to get filled up.
  45   _eden_pool = new ContiguousSpacePool(young->eden(),
  46                                              "Eden Space",
  47                                              young->max_eden_size(),
  48                                              false /* support_usage_threshold */);
  49   _survivor_pool = new SurvivorContiguousSpacePool(young,
  50                                                    "Survivor Space",
  51                                                    young->max_survivor_size(),
  52                                                    false /* support_usage_threshold */);
  53   Generation* old = old_gen();
  54   _old_pool = new GenerationPool(old, "Tenured Gen", true);
  55 
  56   _young_manager->add_pool(_eden_pool);
  57   _young_manager->add_pool(_survivor_pool);
  58   young->set_gc_manager(_young_manager);
  59 
  60   _old_manager->add_pool(_eden_pool);
  61   _old_manager->add_pool(_survivor_pool);
  62   _old_manager->add_pool(_old_pool);
  63   old->set_gc_manager(_old_manager);
  64 
  65   return JNI_OK;
  66 }
  67 
  68 void SerialHeap::check_gen_kinds() {
  69   assert(young_gen()->kind() == Generation::DefNew,
  70          "Wrong youngest generation type");
  71   assert(old_gen()->kind() == Generation::MarkSweepCompact,
  72          "Wrong generation kind");
  73 }
  74 
  75 GrowableArray<GCMemoryManager*> SerialHeap::memory_managers() {
  76   GrowableArray<GCMemoryManager*> memory_managers(2);
  77   memory_managers.append(_young_manager);
  78   memory_managers.append(_old_manager);
  79   return memory_managers;
  80 }
  81 
  82 GrowableArray<MemoryPool*> SerialHeap::memory_pools() {
  83   GrowableArray<MemoryPool*> memory_pools(3);
  84   memory_pools.append(_eden_pool);
  85   memory_pools.append(_survivor_pool);

  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 "gc/serial/defNewGeneration.hpp"
  27 #include "gc/serial/serialHeap.hpp"
  28 #include "gc/shared/genMemoryPools.hpp"
  29 #include "services/memoryManager.hpp"
  30 
  31 SerialHeap::SerialHeap(GenCollectorPolicy* policy) :
  32   GenCollectedHeap(policy), _eden_pool(NULL), _survivor_pool(NULL), _old_pool(NULL) {
  33   _young_manager = new GCMemoryManager("Copy", "end of minor GC");
  34   _old_manager = new GCMemoryManager("MarkSweepCompact", "end of major GC");
  35 }
  36 
  37 void SerialHeap::initialize_serviceability() {


  38 
  39   DefNewGeneration* young = (DefNewGeneration*) young_gen();
  40 
  41   // Add a memory pool for each space and young gen doesn't
  42   // support low memory detection as it is expected to get filled up.
  43   _eden_pool = new ContiguousSpacePool(young->eden(),
  44                                        "Eden Space",
  45                                        young->max_eden_size(),
  46                                        false /* support_usage_threshold */);
  47   _survivor_pool = new SurvivorContiguousSpacePool(young,
  48                                                    "Survivor Space",
  49                                                    young->max_survivor_size(),
  50                                                    false /* support_usage_threshold */);
  51   Generation* old = old_gen();
  52   _old_pool = new GenerationPool(old, "Tenured Gen", true);
  53 
  54   _young_manager->add_pool(_eden_pool);
  55   _young_manager->add_pool(_survivor_pool);
  56   young->set_gc_manager(_young_manager);
  57 
  58   _old_manager->add_pool(_eden_pool);
  59   _old_manager->add_pool(_survivor_pool);
  60   _old_manager->add_pool(_old_pool);
  61   old->set_gc_manager(_old_manager);
  62 

  63 }
  64 
  65 void SerialHeap::check_gen_kinds() {
  66   assert(young_gen()->kind() == Generation::DefNew,
  67          "Wrong youngest generation type");
  68   assert(old_gen()->kind() == Generation::MarkSweepCompact,
  69          "Wrong generation kind");
  70 }
  71 
  72 GrowableArray<GCMemoryManager*> SerialHeap::memory_managers() {
  73   GrowableArray<GCMemoryManager*> memory_managers(2);
  74   memory_managers.append(_young_manager);
  75   memory_managers.append(_old_manager);
  76   return memory_managers;
  77 }
  78 
  79 GrowableArray<MemoryPool*> SerialHeap::memory_pools() {
  80   GrowableArray<MemoryPool*> memory_pools(3);
  81   memory_pools.append(_eden_pool);
  82   memory_pools.append(_survivor_pool);