atune: add feature importance function for tunning

Signed-off-by: Nopeneuler-inno-dev <openeulerbjdev@huawei.com>

analysis/optimizer/optimizer.py

@@ -112,6 +112,8 @@ class Optimizer(Process):
             for value in eval_list:
                 num = float(value)
                 x_num = x_num + num
+            options.append(var)
+            performance.append(x_num)
             return x_num
 
         params = {}