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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/psMarkSweep.cpp
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@ -177,7 +177,7 @@ bool PSMarkSweep::invoke_no_policy(bool clear_all_softrefs) {
size_t prev_used = heap->used();
// Capture metadata size before collection for sizing.
size_t metadata_prev_used = MetaspaceAux::used_in_bytes();
size_t metadata_prev_used = MetaspaceAux::allocated_used_bytes();
// For PrintGCDetails
size_t old_gen_prev_used = old_gen->used_in_bytes();
@ -238,6 +238,7 @@ bool PSMarkSweep::invoke_no_policy(bool clear_all_softrefs) {
// Delete metaspaces for unloaded class loaders and clean up loader_data graph
ClassLoaderDataGraph::purge();
MetaspaceAux::verify_metrics();
BiasedLocking::restore_marks();
Threads::gc_epilogue();