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Add memsize support for the call cache table

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Each class/module/iclass can potentially have their own cc table.
Count their malloc usage.
This commit is contained in:
Alan Wu 2020-07-20 15:38:07 -04:00
parent ac3dbbd4db
commit 73ee1295a3
Notes: git 2020-07-21 09:20:37 +09:00 
Merged: https://github.com/ruby/ruby/pull/3336
1 changed files with 24 additions and 0 deletions
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24
gc.c
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@ -3898,6 +3898,24 @@ rb_obj_id(VALUE obj)
return rb_find_object_id(obj, cached_object_id);
}
static enum rb_id_table_iterator_result
cc_table_memsize_i(VALUE ccs_ptr, void *data_ptr)
{
size_t *total_size = data_ptr;
struct rb_class_cc_entries *ccs = (struct rb_class_cc_entries *)ccs_ptr;
*total_size += sizeof(*ccs);
*total_size += sizeof(ccs->entries[0]) * ccs->capa;
return ID_TABLE_CONTINUE;
}
static size_t
cc_table_memsize(struct rb_id_table *cc_table)
{
size_t total = rb_id_table_memsize(cc_table);
rb_id_table_foreach_values(cc_table, cc_table_memsize_i, &total);
return total;
}
static size_t
obj_memsize_of(VALUE obj, int use_all_types)
{
@ -3936,6 +3954,9 @@ obj_memsize_of(VALUE obj, int use_all_types)
if (RCLASS(obj)->ptr->const_tbl) {
size += rb_id_table_memsize(RCLASS(obj)->ptr->const_tbl);
}
if (RCLASS_CC_TBL(obj)) {
size += cc_table_memsize(RCLASS_CC_TBL(obj));
}
size += sizeof(rb_classext_t);
}
break;
@ -3946,6 +3967,9 @@ obj_memsize_of(VALUE obj, int use_all_types)
size += rb_id_table_memsize(RCLASS_M_TBL(obj));
}
}
if (RCLASS_EXT(obj) && RCLASS_CC_TBL(obj)) {
size += cc_table_memsize(RCLASS_CC_TBL(obj));
}
break;
case T_STRING:
size += rb_str_memsize(obj);