avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	   108.280      0.000    121.950   3032.590      0.000  16737.140 
avg	     0.541      0.000      0.610     15.163      0.000     83.686 
stddev	     0.094      0.000      0.200      4.431      0.000      4.451 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1899717.020     62.990  18539.060    251.960 7674427.880 167373.630  38206.340 414346.170   2189.450  20000.610 
avg	     0.000   9498.585      0.315     92.695      1.260  38372.139    836.868    191.032   2071.731     10.947    100.003 
stddev	     0.000   2935.398      0.464     12.900      1.858   3496.737    105.182      0.335    208.819      1.432      0.106