avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.640      0.000   1102.670   5905.340      0.000   6289.250 
avg	     0.020      0.000      8.291     44.401      0.000     47.288 
stddev	     0.030      0.000      1.858      7.190      0.000      7.645 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1206555.910     40.000  10757.850    160.000 4845671.960 121451.250  16321.740 204474.580   1990.760  13280.210 
avg	     0.000   9071.849      0.301     80.886      1.203  36433.624    913.167    122.720   1537.403     14.968     99.851 
stddev	     0.000   4338.527      0.475     30.542      1.899  14486.172    192.737     29.983    556.406      8.503      1.137