summaryrefslogtreecommitdiff
path: root/ext/objspace/objspace.c
diff options
context:
space:
mode:
Diffstat (limited to 'ext/objspace/objspace.c')
-rw-r--r--ext/objspace/objspace.c56
1 files changed, 53 insertions, 3 deletions
diff --git a/ext/objspace/objspace.c b/ext/objspace/objspace.c
index a08f773..02eed03 100644
--- a/ext/objspace/objspace.c
+++ b/ext/objspace/objspace.c
@@ -155,9 +155,9 @@ memsize_of(VALUE obj)
*
* Return consuming memory size of obj.
*
- * Note that this information is incomplete. You need to deal with
+ * Note that the return size is incomplete. You need to deal with
* this information as only a *HINT*. Especaially, the size of
- * T_DATA may not right size.
+ * T_DATA may not be correct.
*
* This method is not expected to work except C Ruby.
*/
@@ -169,6 +169,53 @@ memsize_of_m(VALUE self, VALUE obj)
}
static int
+total_i(void *vstart, void *vend, size_t stride, void *data)
+{
+ size_t *total_storage = (size_t *)data, total = 0;
+ VALUE v;
+
+ for (v = (VALUE)vstart; v != (VALUE)vend; v += stride) {
+ if (RBASIC(v)->flags) {
+ total += memsize_of(v);
+ }
+ }
+ *total_storage += total;
+
+ return 0;
+}
+
+/*
+ * call-seq:
+ * ObjectSpace.total_memsize_of_all_objects() -> Integer
+ *
+ * Return consuming memory size of all living objects.
+ *
+ * Note that the returned size is incomplete. You need to deal with
+ * this information as only a *HINT*. Especaially, the size of
+ * T_DATA may not be correct.
+ *
+ * Note that this method does *NOT* return total malloc'ed memory size.
+ *
+ * This method can be defined by the following Ruby code:
+ *
+ * def total_memsize_of_all_objects
+ * total = 0
+ * ObjectSpace.each_objects{|e| total += ObjectSpace.memsize_of(e)}
+ * total
+ * end
+ *
+ * This method is not expected to work except C Ruby.
+ */
+
+static VALUE
+total_memsize_of_all_objects_m(VALUE self)
+{
+ size_t total;
+ rb_objspace_each_objects(total_i, &total);
+ return SIZET2NUM(total);
+}
+
+static int
set_zero_i(st_data_t key, st_data_t val, st_data_t arg)
{
VALUE k = (VALUE)key;
@@ -544,8 +591,11 @@ Init_objspace(void)
{
VALUE rb_mObjSpace = rb_const_get(rb_cObject, rb_intern("ObjectSpace"));
- rb_define_module_function(rb_mObjSpace, "count_objects_size", count_objects_size, -1);
rb_define_module_function(rb_mObjSpace, "memsize_of", memsize_of_m, 1);
+ rb_define_module_function(rb_mObjSpace, "total_memsize_of_all_objects",
+ total_memsize_of_all_objects_m, 0);
+
+ rb_define_module_function(rb_mObjSpace, "count_objects_size", count_objects_size, -1);
rb_define_module_function(rb_mObjSpace, "count_nodes", count_nodes, -1);
rb_define_module_function(rb_mObjSpace, "count_tdata_objects", count_tdata_objects, -1);
}