avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    24.830      0.000   2154.810  11519.990      0.000    100.440 
avg	     0.180      0.000     15.615     83.478      0.000      0.728 
stddev	     0.056      0.000      1.618      2.572      0.000      2.465 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1756610.000     58.000  17406.000    232.000 7161252.000 119831.920  18052.800 149452.670   1264.590  13800.400 
avg	     0.000  12729.058      0.420    126.130      1.681  51893.130    868.347    130.817   1082.990      9.164    100.003 
stddev	     0.000   5926.577      0.494     49.650      1.974  16651.855    188.637     17.875    327.988      3.576      0.090