Block device sectors read

Number of sectors read from the device. Module data module_begin  module_name Block_dev_rd_sec  module_type generic_data  module_exec sar -d | grep devX | tail -1 | awk '{print $4}' (Average)  module_exec sar -d 1 1 | grep devX | tail -1 | awk '{print $4}' (Last) ...