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8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse

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Reviewed-by: mgerdin, coleenp, bdelsart
This commit is contained in:
Stefan Karlsson 2014-10-02 10:55:36 +02:00
parent 1055ae0436
commit d410f19961
19 changed files with 506 additions and 68 deletions
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5
hotspot/src/share/vm/classfile/classLoaderData.hpp
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@ -71,6 +71,7 @@ class ClassLoaderDataGraph : public AllStatic {
static ClassLoaderData* add(Handle class_loader, bool anonymous, TRAPS);
static void post_class_unload_events(void);
static void clean_metaspaces();
public:
static ClassLoaderData* find_or_create(Handle class_loader, TRAPS);
static void purge();
@ -90,7 +91,7 @@ class ClassLoaderDataGraph : public AllStatic {
static void methods_do(void f(Method*));
static void loaded_classes_do(KlassClosure* klass_closure);
static void classes_unloading_do(void f(Klass* const));
static bool do_unloading(BoolObjectClosure* is_alive);
static bool do_unloading(BoolObjectClosure* is_alive, bool clean_alive);
// CMS support.
static void remember_new_clds(bool remember) { _saved_head = (remember ? _head : NULL); }
@ -106,6 +107,8 @@ class ClassLoaderDataGraph : public AllStatic {
}
}
static void free_deallocate_lists();
static void dump_on(outputStream * const out) PRODUCT_RETURN;
static void dump() { dump_on(tty); }
static void verify();