avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.230      0.000    136.070   2610.940      0.000  10552.790 
avg	     0.002      0.000      1.023     19.631      0.000     79.344 
stddev	     0.014      0.000      0.642      9.256      0.000      9.526 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1581911.760     52.990  14153.400    211.960 6398654.220 123028.370  18723.160 178710.260   1344.070  13299.810 
avg	     0.000  11894.073      0.398    106.417      1.594  48110.182    925.025    140.776   1343.686     10.106     99.999 
stddev	     0.000   4315.166      0.519     28.941      2.077  10151.304    138.071      6.443    267.380      2.871      0.130