avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.850      0.000    207.440   7757.230      0.000   5334.330 
avg	     0.006      0.000      1.560     58.325      0.000     40.108 
stddev	     0.015      0.000      0.683     24.265      0.000     24.608 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1393786.660     48.990  12536.110    195.960 5613230.100 118472.390  19016.590 206788.300   1561.700  13300.610 
avg	     0.000  10479.599      0.368     94.256      1.473  42204.738    890.770    142.982   1554.799     11.742    100.005 
stddev	     0.000   3222.120      0.498     26.918      1.990  12084.456     14.269      1.677    347.300      4.693      0.156