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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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35
hotspot/src/share/vm/gc/g1/g1RemSet.cpp
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@ -76,7 +76,6 @@ G1RemSet::G1RemSet(G1CollectedHeap* g1, CardTableModRefBS* ct_bs)
_ct_bs(ct_bs), _g1p(_g1->g1_policy()),
_cg1r(g1->concurrent_g1_refine()),
_cset_rs_update_cl(NULL),
_cards_scanned(NULL), _total_cards_scanned(0),
_prev_period_summary()
{
_cset_rs_update_cl = NEW_C_HEAP_ARRAY(G1ParPushHeapRSClosure*, n_workers(), mtGC);
@ -228,9 +227,9 @@ public:
size_t cards_looked_up() { return _cards;}
};
void G1RemSet::scanRS(G1ParPushHeapRSClosure* oc,
OopClosure* non_heap_roots,
uint worker_i) {
size_t G1RemSet::scanRS(G1ParPushHeapRSClosure* oc,
OopClosure* non_heap_roots,
uint worker_i) {
double rs_time_start = os::elapsedTime();
G1CodeBlobClosure code_root_cl(non_heap_roots);
@ -246,11 +245,10 @@ void G1RemSet::scanRS(G1ParPushHeapRSClosure* oc,
double scan_rs_time_sec = (os::elapsedTime() - rs_time_start)
- scanRScl.strong_code_root_scan_time_sec();
assert(_cards_scanned != NULL, "invariant");
_cards_scanned[worker_i] = scanRScl.cards_done();
_g1p->phase_times()->record_time_secs(G1GCPhaseTimes::ScanRS, worker_i, scan_rs_time_sec);
_g1p->phase_times()->record_time_secs(G1GCPhaseTimes::CodeRoots, worker_i, scanRScl.strong_code_root_scan_time_sec());
return scanRScl.cards_done();
}
// Closure used for updating RSets and recording references that
@ -298,9 +296,9 @@ void G1RemSet::cleanupHRRS() {
HeapRegionRemSet::cleanup();
}
void G1RemSet::oops_into_collection_set_do(G1ParPushHeapRSClosure* oc,
OopClosure* non_heap_roots,
uint worker_i) {
size_t G1RemSet::oops_into_collection_set_do(G1ParPushHeapRSClosure* oc,
OopClosure* non_heap_roots,
uint worker_i) {
#if CARD_REPEAT_HISTO
ct_freq_update_histo_and_reset();
#endif
@ -322,10 +320,11 @@ void G1RemSet::oops_into_collection_set_do(G1ParPushHeapRSClosure* oc,
DirtyCardQueue into_cset_dcq(&_g1->into_cset_dirty_card_queue_set());
updateRS(&into_cset_dcq, worker_i);
scanRS(oc, non_heap_roots, worker_i);
size_t cards_scanned = scanRS(oc, non_heap_roots, worker_i);
// We now clear the cached values of _cset_rs_update_cl for this worker
_cset_rs_update_cl[worker_i] = NULL;
return cards_scanned;
}
void G1RemSet::prepare_for_oops_into_collection_set_do() {
@ -333,23 +332,9 @@ void G1RemSet::prepare_for_oops_into_collection_set_do() {
_g1->set_refine_cte_cl_concurrency(false);
DirtyCardQueueSet& dcqs = JavaThread::dirty_card_queue_set();
dcqs.concatenate_logs();
guarantee( _cards_scanned == NULL, "invariant" );
_cards_scanned = NEW_C_HEAP_ARRAY(size_t, n_workers(), mtGC);
for (uint i = 0; i < n_workers(); ++i) {
_cards_scanned[i] = 0;
}
_total_cards_scanned = 0;
}
void G1RemSet::cleanup_after_oops_into_collection_set_do() {
guarantee( _cards_scanned != NULL, "invariant" );
_total_cards_scanned = 0;
for (uint i = 0; i < n_workers(); ++i) {
_total_cards_scanned += _cards_scanned[i];
}
FREE_C_HEAP_ARRAY(size_t, _cards_scanned);
_cards_scanned = NULL;
// Cleanup after copy
_g1->set_refine_cte_cl_concurrency(true);
// Set all cards back to clean.