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8073146: G1 merges thread local age tables too early with global age table

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Move merging of age and survivor table to the end of GC.

Reviewed-by: mgerdin, david
This commit is contained in:
Thomas Schatzl 2015-08-20 15:17:43 +02:00
parent 6cca258181
commit 041c76d48b
3 changed files with 9 additions and 14 deletions
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6
hotspot/src/share/vm/gc/g1/g1ParScanThreadState.cpp
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@ -72,8 +72,12 @@ G1ParScanThreadState::G1ParScanThreadState(G1CollectedHeap* g1h, uint worker_id)
}
G1ParScanThreadState::~G1ParScanThreadState() {
// Update allocation statistics.
_plab_allocator->flush_and_retire_stats();
delete _plab_allocator;
_g1h->g1_policy()->record_thread_age_table(&_age_table);
// Update heap statistics.
_g1h->update_surviving_young_words(_surviving_young_words);
FREE_C_HEAP_ARRAY(size_t, _surviving_young_words_base);
}
@ -252,7 +256,7 @@ oop G1ParScanThreadState::copy_to_survivor_space(InCSetState const state,
} else {
obj->set_mark(old_mark->set_age(age));
}
age_table()->add(age, word_sz);
_age_table.add(age, word_sz);
} else {
obj->set_mark(old_mark);
}