$ iostat -m
Linux 3.13.0-24-generic (XXXX-3000-N200)    18/09/14    _x86_64_    (2 CPU)

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
          11.88    2.71    5.84    4.21    0.00   75.36

Device:            tps    MB_read/s    MB_wrtn/s    MB_read    MB_wrtn
sda              41.67         0.55         0.20       1050        383