avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	   144.870      0.000    522.700  19173.480      0.000    159.040 
avg	     0.724      0.000      2.614     95.867      0.000      0.795 
stddev	     0.165      0.000      0.609      2.859      0.000      2.545 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000   8301.760      3.000  18768.130     12.000 3810517.140  81939.040  27794.590 299377.790   2164.790  19999.440 
avg	     0.000     41.509      0.015     93.841      0.060  19052.586    409.695    138.973   1496.889     10.824     99.997 
stddev	     0.000     71.747      0.157     11.700      0.630   2313.528     54.314     11.788    308.972      1.407      0.112