avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.810      0.000   1970.070   6414.080      0.000  11611.920 
avg	     0.019      0.000      9.850     32.070      0.000     58.060 
stddev	     0.032      0.000      1.976      5.103      0.000      5.065 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1613448.440      5.000  16466.550     20.000 6462157.160 156398.750  24911.110 329887.590   3470.240  19993.620 
avg	     0.000   8067.242      0.025     82.333      0.100  32310.786    781.994    124.556   1649.438     17.351     99.968 
stddev	     0.000   7526.447      0.185     35.045      0.742  14541.352     96.775     46.104    828.691     14.782      0.251