环境: ```sh % sw_vers ProductName: macOS ProductVersion: 12.0.1 BuildVersion: 21A559 ``` 示例: ```sh % nettop -L 1 -P -J bytes_in,bytes_out ,bytes_in,bytes_out, systemstats.503,0,0, configd.504,0,0, apsd.533,11417,23504, locationd.541,0,0, bluetoothd.555,0,0, ```