archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-28 15:24:43 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

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

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

7
hotspot/src/share/vm/code/nmethod.hpp
View file

@ -615,9 +615,16 @@ public:
// The parallel versions are used by G1.
bool do_unloading_parallel(BoolObjectClosure* is_alive, bool unloading_occurred);
void do_unloading_parallel_postponed(BoolObjectClosure* is_alive, bool unloading_occurred);
private:
// Unload a nmethod if the *root object is dead.
bool can_unload(BoolObjectClosure* is_alive, oop* root, bool unloading_occurred);
bool unload_if_dead_at(RelocIterator *iter_at_oop, BoolObjectClosure* is_alive, bool unloading_occurred);
void mark_metadata_on_stack_at(RelocIterator* iter_at_metadata);
void mark_metadata_on_stack_non_relocs();
public:
void preserve_callee_argument_oops(frame fr, const RegisterMap *reg_map,
OopClosure* f);
void oops_do(OopClosure* f) { oops_do(f, false); }