avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.850      0.000   1480.840   5634.640      0.000   6183.660 
avg	     0.006      0.000     11.134     42.366      0.000     46.494 
stddev	     0.020      0.000      3.417      8.002      0.000      9.176 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1050122.250     67.000  10754.260    268.000 4247860.040 106145.250  15088.920 187364.780   1830.220  13299.810 
avg	     0.000   7895.656      0.504     80.859      2.015  31938.797    798.085    113.451   1408.758     13.761     99.999 
stddev	     0.000   2118.837      0.515     25.842      2.059   9499.002    130.627     22.157    343.149      5.353      0.167