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8008966: NPG: Inefficient Metaspace counter functions cause large young GC regressions

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Reviewed-by: mgerdin, coleenp
This commit is contained in:
Jon Masamitsu 2013-02-12 14:15:45 -08:00
parent eafc00bc25
commit d72b516201
12 changed files with 398 additions and 175 deletions
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3
hotspot/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp
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@ -891,7 +891,7 @@ public:
_heap_used = heap->used();
_young_gen_used = heap->young_gen()->used_in_bytes();
_old_gen_used = heap->old_gen()->used_in_bytes();
_metadata_used = MetaspaceAux::used_in_bytes();
_metadata_used = MetaspaceAux::allocated_used_bytes();
};
size_t heap_used() const { return _heap_used; }
@ -1026,6 +1026,7 @@ void PSParallelCompact::post_compact()
// Delete metaspaces for unloaded class loaders and clean up loader_data graph
ClassLoaderDataGraph::purge();
MetaspaceAux::verify_metrics();
Threads::gc_epilogue();
CodeCache::gc_epilogue();