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* gc.c (RGENGC_OLD_NEWOBJ_CHECK): add check mechanism.

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If RGENGC_OLD_NEWOBJ_CHECK > 0, then create old objects
  (not new objects) periodically.
  Create one old objects per RGENGC_OLD_NEWOBJ_CHECK objects are
  created.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50013 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ko1 2015-03-18 19:54:14 +00:00
parent 9c64155f30
commit 33aaa89a79
2 changed files with 43 additions and 0 deletions
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10
ChangeLog
View file

@ -1,3 +1,13 @@
Thu Mar 19 04:52:26 2015 Koichi Sasada <ko1@atdot.net>
* gc.c (RGENGC_OLD_NEWOBJ_CHECK): add check mechanism.
If RGENGC_OLD_NEWOBJ_CHECK > 0, then create old objects
(not new objects) periodically.
Create one old objects per RGENGC_OLD_NEWOBJ_CHECK objects are
created.
Thu Mar 19 04:46:36 2015 Koichi Sasada <ko1@atdot.net>
* enum.c (enum_sort_by): add WBs.

33
gc.c
View file

@ -220,6 +220,16 @@ static ruby_gc_params_t gc_params = {
#define RGENGC_CHECK_MODE 0
#endif
/* RGENGC_OLD_NEWOBJ_CHECK
* 0: disable all assertions
* >0: make a OLD object when new object creation.
*
* Make one OLD object per RGENGC_OLD_NEWOBJ_CHECK WB protected objects creation.
*/
#ifndef RGENGC_OLD_NEWOBJ_CHECK
#define RGENGC_OLD_NEWOBJ_CHECK 0
#endif
/* RGENGC_PROFILE
* 0: disable RGenGC profiling
* 1: enable profiling for basic information
@ -798,6 +808,7 @@ static int gc_mark_stacked_objects_incremental(rb_objspace_t *, size_t count);
static int gc_mark_stacked_objects_all(rb_objspace_t *);
static void gc_grey(rb_objspace_t *objspace, VALUE ptr);
static inline int gc_mark_set(rb_objspace_t *objspace, VALUE obj);
static inline int is_pointer_to_heap(rb_objspace_t *objspace, void *ptr);
static void push_mark_stack(mark_stack_t *, VALUE);
@ -1732,6 +1743,28 @@ newobj_of(VALUE klass, VALUE flags, VALUE v1, VALUE v2, VALUE v3)
objspace->total_allocated_objects++;
gc_event_hook(objspace, RUBY_INTERNAL_EVENT_NEWOBJ, obj);
gc_report(5, objspace, "newobj: %s\n", obj_info(obj));
#if RGENGC_OLD_NEWOBJ_CHECK > 0
{
static int newobj_cnt = RGENGC_OLD_NEWOBJ_CHECK;
if (flags & FL_WB_PROTECTED && /* do not promote WB unprotected objects */
! RB_TYPE_P(obj, T_ARRAY)) { /* array.c assumes that allocated objects are new */
if (--newobj_cnt == 0) {
newobj_cnt = RGENGC_OLD_NEWOBJ_CHECK;
gc_mark_set(objspace, obj);
RVALUE_AGE_SET_OLD(objspace, obj);
if (is_pointer_to_heap(objspace, (void *)klass)) RB_OBJ_WRITTEN(obj, Qundef, klass);
if (is_pointer_to_heap(objspace, (void *)v1)) RB_OBJ_WRITTEN(obj, Qundef, v1);
if (is_pointer_to_heap(objspace, (void *)v2)) RB_OBJ_WRITTEN(obj, Qundef, v2);
if (is_pointer_to_heap(objspace, (void *)v3)) RB_OBJ_WRITTEN(obj, Qundef, v3);
}
}
}
#endif
check_rvalue_consistency(obj);
return obj;
}