avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    55.520      0.000    282.570   2111.650      0.000  10850.310 
avg	     0.417      0.000      2.125     15.877      0.000     81.581 
stddev	     0.117      0.000      1.039      4.848      0.000      4.581 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1778625.550      6.000  14200.680     24.000 7179946.770 134391.500  23776.360 226009.600   1317.380  13300.210 
avg	     0.000  13373.124      0.045    106.772      0.180  53984.562   1010.462    178.770   1699.320      9.905    100.002 
stddev	     0.000   5383.608      0.270     23.134      1.082  11786.533     19.620     25.345    312.787      2.554      0.144