avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	   101.000      0.000    586.110  18870.020      0.000    442.860 
avg	     0.505      0.000      2.931     94.350      0.000      2.214 
stddev	     0.161      0.000      0.569      5.918      0.000      5.715 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000   2907.000      8.000  18931.000     32.000 9037596.000 190936.290  27631.520 295124.620   2181.570  20000.800 
avg	     0.000     14.535      0.040     94.655      0.160  45187.980    954.681    138.158   1475.623     10.908    100.004 
stddev	     0.000     23.771      0.280     16.114      1.120   7701.110     24.531     12.560    226.532      2.090      0.056