avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     7.600      0.000    319.740   6077.210      0.000  13595.490 
avg	     0.038      0.000      1.599     30.386      0.000     67.977 
stddev	     0.066      0.000      0.600     10.260      0.000     10.600 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	253956.000 1817000.710   8040.000  21259.940 1047984.000 7373134.300 135737.810  28716.590 242065.170   1710.850  20000.010 
avg	  1269.780   9085.004     40.200    106.300   5239.920  36865.671    678.689    143.583   1210.326      8.554    100.000 
stddev	  4150.433   3983.859    131.712     39.024  17126.783  11488.302    186.994      3.422    476.796      2.884      0.080