avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.670      0.000    512.280   7681.070      0.000   5105.030 
avg	     0.013      0.000      3.852     57.752      0.000     38.384 
stddev	     0.017      0.000      1.693     22.727      0.000     23.958 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2107985.100     66.990  21512.610    267.960 8517921.670 116596.220  19011.300 130875.170    926.860  13299.220 
avg	     0.000  15849.512      0.504    161.749      2.015  64044.524    876.663    142.942    984.024      6.969     99.994 
stddev	     0.000   4093.688      0.529    122.384      2.117   9350.423    123.023      1.003    181.644      1.413      0.174