+
+ _total_to_diff["khatus_sensor_net_addr_io", "bytes_read" ] = 1
+ _total_to_diff["khatus_sensor_net_addr_io", "bytes_written" ] = 1
+ _total_to_diff["khatus_sensor_disk_io" , "sectors_read" ] = 1
+ _total_to_diff["khatus_sensor_disk_io" , "sectors_written"] = 1
+
+ # (x * y) / z = x * w
+ # ==> w = y / z
+ # (x * bytes_per_sector) / bytes_per_mb = x * scaling_factor
+ # ==> scaling_factor = bytes_per_sector / bytes_per_mb
+ _bytes_per_sector = 512
+ _bytes_per_mb = 1024 * 1024
+ _scale["khatus_sensor_disk_io", "sectors_written"] = _bytes_per_sector / _bytes_per_mb
+ _scale["khatus_sensor_disk_io", "sectors_read" ] = _bytes_per_sector / _bytes_per_mb
+ # (x / y) = x * z
+ # ==> z = 1 / y
+ # x / bytes_per_mb = x * scaling_factor
+ # ==> scaling_factor = 1 / bytes_per_mb
+ _scale["khatus_sensor_net_addr_io", "bytes_written"] = 1 / _bytes_per_mb
+ _scale["khatus_sensor_net_addr_io", "bytes_read" ] = 1 / _bytes_per_mb