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8057536: Refactor G1 to allow context specific allocations

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Splitting out a g1 allocator class to simply specialized allocators which can associate each allocation with a given context.

Reviewed-by: mgerdin, brutisso
This commit is contained in:
Stefan Johansson 2014-09-05 09:49:19 +02:00
parent 100e58569c
commit f8137659f5
19 changed files with 828 additions and 440 deletions
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7
hotspot/src/share/vm/gc_implementation/g1/heapRegion.cpp
View file

@ -218,6 +218,7 @@ void HeapRegion::hr_clear(bool par, bool clear_space, bool locked) {
_in_collection_set = false;
set_allocation_context(AllocationContext::system());
set_young_index_in_cset(-1);
uninstall_surv_rate_group();
set_free();
@ -321,9 +322,9 @@ bool HeapRegion::claimHeapRegion(jint claimValue) {
HeapRegion::HeapRegion(uint hrm_index,
G1BlockOffsetSharedArray* sharedOffsetArray,
MemRegion mr) :
MemRegion mr, AllocationContext_t context) :
G1OffsetTableContigSpace(sharedOffsetArray, mr),
_hrm_index(hrm_index),
_hrm_index(hrm_index), _allocation_context(context),
_humongous_start_region(NULL),
_in_collection_set(false),
_next_in_special_set(NULL),
@ -687,6 +688,8 @@ void HeapRegion::verify_strong_code_roots(VerifyOption vo, bool* failures) const
void HeapRegion::print() const { print_on(gclog_or_tty); }
void HeapRegion::print_on(outputStream* st) const {
st->print("AC%4u", allocation_context());
st->print(" %2s", get_short_type_str());
if (in_collection_set())
st->print(" CS");