--- a/hotspot/src/share/vm/gc/parallel/psMarkSweep.cpp Thu Mar 17 21:00:51 2016 +0100
+++ b/hotspot/src/share/vm/gc/parallel/psMarkSweep.cpp Thu Mar 17 21:01:59 2016 +0100
@@ -533,20 +533,31 @@
// This is the point where the entire marking should have completed.
assert(_marking_stack.is_empty(), "Marking should have completed");
- // Unload classes and purge the SystemDictionary.
- bool purged_class = SystemDictionary::do_unloading(is_alive_closure());
+ {
+ GCTraceTime(Debug, gc) t("Class Unloading", _gc_timer);
+
+ // Unload classes and purge the SystemDictionary.
+ bool purged_class = SystemDictionary::do_unloading(is_alive_closure());
- // Unload nmethods.
- CodeCache::do_unloading(is_alive_closure(), purged_class);
+ // Unload nmethods.
+ CodeCache::do_unloading(is_alive_closure(), purged_class);
+
+ // Prune dead klasses from subklass/sibling/implementor lists.
+ Klass::clean_weak_klass_links(is_alive_closure());
+ }
- // Prune dead klasses from subklass/sibling/implementor lists.
- Klass::clean_weak_klass_links(is_alive_closure());
+ {
+ GCTraceTime(Debug, gc) t("Scrub String Table", _gc_timer);
+ // Delete entries for dead interned strings.
+ StringTable::unlink(is_alive_closure());
+ }
- // Delete entries for dead interned strings.
- StringTable::unlink(is_alive_closure());
+ {
+ GCTraceTime(Debug, gc) t("Scrub Symbol Table", _gc_timer);
+ // Clean up unreferenced symbols in symbol table.
+ SymbolTable::unlink();
+ }
- // Clean up unreferenced symbols in symbol table.
- SymbolTable::unlink();
_gc_tracer->report_object_count_after_gc(is_alive_closure());
}