avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.730      0.000   2465.730  16461.620      0.000   1070.960 
avg	     0.009      0.000     12.329     82.308      0.000      5.355 
stddev	     0.021      0.000      0.916      5.045      0.000      5.303 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000   1296.000      5.000  15533.580     20.000 7517980.710 191647.560  17596.440 226355.940   3289.320  19025.110 
avg	     0.000      6.480      0.025     77.668      0.100  37589.904    958.238     87.982   1131.780     16.447     95.126 
stddev	     0.000     15.924      0.211     31.786      0.843  15542.349     76.303     38.669    513.767     16.140     14.110