cbaoth@OpenWrt:~$ iostat -m
Linux 2.4.30 (OpenWrt)  12/10/07

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
          10.14    0.01    5.74    0.00    0.00   84.11

Device:            tps    MB_read/s    MB_wrtn/s    MB_read    MB_wrtn
dev8-0            7.45         0.26         0.01      65473       2046
dev8-1            2.29         0.00         0.14        423      36921

cbaoth@OpenWrt:~$ iostat -xm
Linux 2.4.30 (OpenWrt)  12/10/07

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
          10.15    0.01    5.75    0.00    0.00   84.08

Device:         rrqm/s   wrqm/s   r/s   w/s    rMB/s    wMB/s avgrq-sz avgqu-sz   await  svctm  %util