GC::Profiler.total_time

static VALUE
gc_profile_total_time(VALUE self)
{
    double time = 0;
    rb_objspace_t *objspace = rb_gc_get_objspace();

    if (objspace->profile.run && gc_profile_record_count(objspace) > 0) {
        size_t i;
        size_t count = gc_profile_record_count(objspace);

        for (i = 0; i < count; i++) {
            time += objspace->profile.records[gc_profile_record_index(objspace, i)].gc_time;
        }
    }
    return DBL2NUM(time);
}