--- old/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp 2013-06-05 15:18:31.471702458 -0400 +++ new/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp 2013-06-05 15:18:30.075365478 -0400 @@ -3057,26 +3057,6 @@ ALL_SINCE_SAVE_MARKS_CLOSURES(CMS_SINCE_SAVE_MARKS_DEFN) void -ConcurrentMarkSweepGeneration::object_iterate_since_last_GC(ObjectClosure* blk) -{ - // Not currently implemented; need to do the following. -- ysr. - // dld -- I think that is used for some sort of allocation profiler. So it - // really means the objects allocated by the mutator since the last - // GC. We could potentially implement this cheaply by recording only - // the direct allocations in a side data structure. - // - // I think we probably ought not to be required to support these - // iterations at any arbitrary point; I think there ought to be some - // call to enable/disable allocation profiling in a generation/space, - // and the iterator ought to return the objects allocated in the - // gen/space since the enable call, or the last iterator call (which - // will probably be at a GC.) That way, for gens like CM&S that would - // require some extra data structure to support this, we only pay the - // cost when it's in use... - cmsSpace()->object_iterate_since_last_GC(blk); -} - -void ConcurrentMarkSweepGeneration::younger_refs_iterate(OopsInGenClosure* cl) { cl->set_generation(this); younger_refs_in_space_iterate(_cmsSpace, cl);