archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-21 11:34:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

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

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

3
hotspot/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp
View file

@ -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();

3
hotspot/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp
View file

@ -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();