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8135154: Move cards scanned and surviving young words aggregation to G1ParScanThreadStateSet

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Reviewed-by: tschatzl, ehelin
This commit is contained in:
Mikael Gerdin 2015-09-09 14:22:45 +02:00
parent 2dbd4dd578
commit 6f11efbbb4
9 changed files with 84 additions and 109 deletions
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24
hotspot/src/share/vm/gc/g1/g1ParScanThreadState.hpp
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@ -82,7 +82,7 @@ class G1ParScanThreadState : public CHeapObj<mtGC> {
}
public:
G1ParScanThreadState(G1CollectedHeap* g1h, uint worker_id);
G1ParScanThreadState(G1CollectedHeap* g1h, uint worker_id, size_t young_cset_length);
~G1ParScanThreadState();
void set_ref_processor(ReferenceProcessor* rp) { _scanner.set_ref_processor(rp); }
@ -121,7 +121,7 @@ class G1ParScanThreadState : public CHeapObj<mtGC> {
return _surviving_young_words + 1;
}
void flush();
void flush(size_t* surviving_young_words);
private:
#define G1_PARTIAL_ARRAY_MASK 0x2
@ -194,31 +194,45 @@ class G1ParScanThreadState : public CHeapObj<mtGC> {
class G1ParScanThreadStateSet : public StackObj {
G1CollectedHeap* _g1h;
G1ParScanThreadState** _states;
size_t* _surviving_young_words_total;
size_t* _cards_scanned;
size_t _total_cards_scanned;
uint _n_workers;
bool _flushed;
public:
G1ParScanThreadStateSet(G1CollectedHeap* g1h, uint n_workers) :
G1ParScanThreadStateSet(G1CollectedHeap* g1h, uint n_workers, size_t young_cset_length) :
_g1h(g1h),
_states(NEW_C_HEAP_ARRAY(G1ParScanThreadState*, n_workers, mtGC)),
_surviving_young_words_total(NEW_C_HEAP_ARRAY(size_t, young_cset_length, mtGC)),
_cards_scanned(NEW_C_HEAP_ARRAY(size_t, n_workers, mtGC)),
_total_cards_scanned(0),
_n_workers(n_workers),
_flushed(false) {
for (uint i = 0; i < n_workers; ++i) {
_states[i] = new_par_scan_state(i);
_states[i] = new_par_scan_state(i, young_cset_length);
}
memset(_surviving_young_words_total, 0, young_cset_length * sizeof(size_t));
memset(_cards_scanned, 0, n_workers * sizeof(size_t));
}
~G1ParScanThreadStateSet() {
assert(_flushed, "thread local state from the per thread states should have been flushed");
FREE_C_HEAP_ARRAY(G1ParScanThreadState*, _states);
FREE_C_HEAP_ARRAY(size_t, _surviving_young_words_total);
FREE_C_HEAP_ARRAY(size_t, _cards_scanned);
}
void flush();
G1ParScanThreadState* state_for_worker(uint worker_id);
void add_cards_scanned(uint worker_id, size_t cards_scanned);
size_t total_cards_scanned() const;
const size_t* surviving_young_words() const;
private:
G1ParScanThreadState* new_par_scan_state(uint worker_id);
G1ParScanThreadState* new_par_scan_state(uint worker_id, size_t young_cset_length);
};
#endif // SHARE_VM_GC_G1_G1PARSCANTHREADSTATE_HPP