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comparison src/share/vm/gc_implementation/g1/heapRegion.cpp @ 20404:227a9e5e4b4a

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8057536: Refactor G1 to allow context specific allocations Summary: Splitting out a g1 allocator class to simply specialized allocators which can associate each allocation with a given context. Reviewed-by: mgerdin, brutisso
author sjohanss
date Fri, 05 Sep 2014 09:49:19 +0200
parents a8ea2f110d87
children d35872270666
comparison
equal deleted inserted replaced
20403:8ec8971f511a 20404:227a9e5e4b4a
217 assert(_end == _orig_end, 217 assert(_end == _orig_end,
218 "we should have already filtered out humongous regions"); 218 "we should have already filtered out humongous regions");
219 219
220 _in_collection_set = false; 220 _in_collection_set = false;
221 221
222 set_allocation_context(AllocationContext::system());
222 set_young_index_in_cset(-1); 223 set_young_index_in_cset(-1);
223 uninstall_surv_rate_group(); 224 uninstall_surv_rate_group();
224 set_young_type(NotYoung); 225 set_young_type(NotYoung);
225 reset_pre_dummy_top(); 226 reset_pre_dummy_top();
226 227
344 return low; 345 return low;
345 } 346 }
346 347
347 HeapRegion::HeapRegion(uint hrm_index, 348 HeapRegion::HeapRegion(uint hrm_index,
348 G1BlockOffsetSharedArray* sharedOffsetArray, 349 G1BlockOffsetSharedArray* sharedOffsetArray,
349 MemRegion mr) : 350 MemRegion mr, AllocationContext_t context) :
350 G1OffsetTableContigSpace(sharedOffsetArray, mr), 351 G1OffsetTableContigSpace(sharedOffsetArray, mr),
351 _hrm_index(hrm_index), 352 _hrm_index(hrm_index), _allocation_context(context),
352 _humongous_type(NotHumongous), _humongous_start_region(NULL), 353 _humongous_type(NotHumongous), _humongous_start_region(NULL),
353 _in_collection_set(false), 354 _in_collection_set(false),
354 _next_in_special_set(NULL), _orig_end(NULL), 355 _next_in_special_set(NULL), _orig_end(NULL),
355 _claimed(InitialClaimValue), _evacuation_failed(false), 356 _claimed(InitialClaimValue), _evacuation_failed(false),
356 _prev_marked_bytes(0), _next_marked_bytes(0), _gc_efficiency(0.0), 357 _prev_marked_bytes(0), _next_marked_bytes(0), _gc_efficiency(0.0),
713 } 714 }
714 } 715 }
715 716
716 void HeapRegion::print() const { print_on(gclog_or_tty); } 717 void HeapRegion::print() const { print_on(gclog_or_tty); }
717 void HeapRegion::print_on(outputStream* st) const { 718 void HeapRegion::print_on(outputStream* st) const {
719 st->print("AC%4u", allocation_context());
720
718 if (isHumongous()) { 721 if (isHumongous()) {
719 if (startsHumongous()) 722 if (startsHumongous())
720 st->print(" HS"); 723 st->print(" HS");
721 else 724 else
722 st->print(" HC"); 725 st->print(" HC");