avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.280      0.000    465.910   6687.220      0.000   6145.650 
avg	     0.010      0.000      3.503     50.280      0.000     46.208 
stddev	     0.047      0.000      2.408     21.836      0.000     22.883 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1556615.290      5.000  12322.070     20.000 6267631.490 135278.430  18521.070 199929.970   1435.720  13299.810 
avg	     0.000  11703.874      0.038     92.647      0.150  47125.049   1017.131    139.256   1503.233     10.795     99.999 
stddev	     0.000   3037.296      0.226      2.208      0.905    943.606     17.974     13.883    156.869      0.235      0.130