avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.830      0.000     62.390   3001.020      0.000  10233.600 
avg	     0.021      0.000      0.469     22.564      0.000     76.944 
stddev	     0.050      0.000      0.294      7.403      0.000      7.428 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1860103.000      6.000  14726.000     24.000 7499820.000 135404.020  18721.130 172491.640   1271.830  13300.800 
avg	     0.000  13985.737      0.045    110.722      0.180  56389.624   1018.075    140.760   1296.930      9.563    100.006 
stddev	     0.000   3793.956      0.270     24.181      1.082  12374.145      8.812      6.086    243.997      2.489      0.130