avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.660      0.000    124.420   5100.920      0.000  14770.040 
avg	     0.023      0.000      0.622     25.505      0.000     73.850 
stddev	     0.052      0.000      0.398      9.446      0.000      9.667 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	236954.000 489580.010   7391.000   9109.060 977380.000 1995304.320  88833.170    101.580    601.830    288.870   2704.080 
avg	  1184.770   2447.900     36.955     45.545   4886.900   9976.522    444.166      0.508      3.009      1.444     13.520 
stddev	  4147.382   1410.356    129.901     29.669  17104.476   5746.000    102.547      1.611      3.478      0.443     24.262