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src/hotspot/share/gc/g1/g1MonitoringSupport.cpp

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rev 53923 : [mq]: 8219747-remove-g1-prefix


 217 GrowableArray<MemoryPool*> G1MonitoringSupport::memory_pools() {
 218   GrowableArray<MemoryPool*> memory_pools(3);
 219   memory_pools.append(_eden_space_pool);
 220   memory_pools.append(_survivor_space_pool);
 221   memory_pools.append(_old_gen_pool);
 222   return memory_pools;
 223 }
 224 
 225 void G1MonitoringSupport::recalculate_sizes() {
 226   assert_heap_locked_or_at_safepoint(true);
 227 
 228   MutexLockerEx x(MonitoringSupport_lock, Mutex::_no_safepoint_check_flag);
 229   // Recalculate all the sizes from scratch.
 230 
 231   uint young_list_length = _g1h->young_regions_count();
 232   uint survivor_list_length = _g1h->survivor_regions_count();
 233   assert(young_list_length >= survivor_list_length, "invariant");
 234   uint eden_list_length = young_list_length - survivor_list_length;
 235   // Max length includes any potential extensions to the young gen
 236   // we'll do when the GC locker is active.
 237   uint young_list_max_length = _g1h->g1_policy()->young_list_max_length();
 238   assert(young_list_max_length >= survivor_list_length, "invariant");
 239   uint eden_list_max_length = young_list_max_length - survivor_list_length;
 240 
 241   _overall_used = _g1h->used_unlocked();
 242   _eden_space_used = (size_t) eden_list_length * HeapRegion::GrainBytes;
 243   _survivor_space_used = (size_t) survivor_list_length * HeapRegion::GrainBytes;
 244   _old_gen_used = subtract_up_to_zero(_overall_used, _eden_space_used + _survivor_space_used);
 245 
 246   // First calculate the committed sizes that can be calculated independently.
 247   _survivor_space_committed = _survivor_space_used;
 248   _old_gen_committed = HeapRegion::align_up_to_region_byte_size(_old_gen_used);
 249 
 250   // Next, start with the overall committed size.
 251   _overall_committed = _g1h->capacity();
 252   size_t committed = _overall_committed;
 253 
 254   // Remove the committed size we have calculated so far (for the
 255   // survivor and old space).
 256   assert(committed >= (_survivor_space_committed + _old_gen_committed), "sanity");
 257   committed -= _survivor_space_committed + _old_gen_committed;




 217 GrowableArray<MemoryPool*> G1MonitoringSupport::memory_pools() {
 218   GrowableArray<MemoryPool*> memory_pools(3);
 219   memory_pools.append(_eden_space_pool);
 220   memory_pools.append(_survivor_space_pool);
 221   memory_pools.append(_old_gen_pool);
 222   return memory_pools;
 223 }
 224 
 225 void G1MonitoringSupport::recalculate_sizes() {
 226   assert_heap_locked_or_at_safepoint(true);
 227 
 228   MutexLockerEx x(MonitoringSupport_lock, Mutex::_no_safepoint_check_flag);
 229   // Recalculate all the sizes from scratch.
 230 
 231   uint young_list_length = _g1h->young_regions_count();
 232   uint survivor_list_length = _g1h->survivor_regions_count();
 233   assert(young_list_length >= survivor_list_length, "invariant");
 234   uint eden_list_length = young_list_length - survivor_list_length;
 235   // Max length includes any potential extensions to the young gen
 236   // we'll do when the GC locker is active.
 237   uint young_list_max_length = _g1h->policy()->young_list_max_length();
 238   assert(young_list_max_length >= survivor_list_length, "invariant");
 239   uint eden_list_max_length = young_list_max_length - survivor_list_length;
 240 
 241   _overall_used = _g1h->used_unlocked();
 242   _eden_space_used = (size_t) eden_list_length * HeapRegion::GrainBytes;
 243   _survivor_space_used = (size_t) survivor_list_length * HeapRegion::GrainBytes;
 244   _old_gen_used = subtract_up_to_zero(_overall_used, _eden_space_used + _survivor_space_used);
 245 
 246   // First calculate the committed sizes that can be calculated independently.
 247   _survivor_space_committed = _survivor_space_used;
 248   _old_gen_committed = HeapRegion::align_up_to_region_byte_size(_old_gen_used);
 249 
 250   // Next, start with the overall committed size.
 251   _overall_committed = _g1h->capacity();
 252   size_t committed = _overall_committed;
 253 
 254   // Remove the committed size we have calculated so far (for the
 255   // survivor and old space).
 256   assert(committed >= (_survivor_space_committed + _old_gen_committed), "sanity");
 257   committed -= _survivor_space_committed + _old_gen_committed;


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