avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.360      0.000    233.900  13024.570      0.000     41.040 
avg	     0.003      0.000      1.759     97.929      0.000      0.309 
stddev	     0.012      0.000      0.159      0.478      0.000      0.462 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000     31.000      0.000  11399.000      0.000 5491261.000 128160.990   7817.100  90855.490   1564.450  13300.400 
avg	     0.000      0.233      0.000     85.707      0.000  41287.677    963.616     58.775    683.124     11.763    100.003 
stddev	     0.000      1.123      0.000      6.998      0.000   3350.221     13.265     23.729    266.523      1.201      0.060