# DDRC QOS Parameter Debugging Suggestions

- You should refer to *arqos/awqos* to configure *levelX* related parameter values. When transferring data via AXI protocol, you can refer to NOC QOS values for *arqos/awqos* values.

- The priority configuration of *regionX* should follow the following principles:

    * rqos_map_region1 ≥ rqos_map_region0
    * wqos_map_region2 ≥ wqos_map_region1 ≥ wqos_map_region0

