avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.140      0.000   1602.600   5777.770      0.000  12215.460 
avg	     0.021      0.000      8.177     29.478      0.000     62.324 
stddev	     0.031      0.000      1.357      4.791      0.000      4.729 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1747475.300      6.000  14392.470     24.000 7104083.810 184746.310  22511.730 320017.450   4110.570  18695.800 
avg	     0.000   8915.690      0.031     73.431      0.122  36245.326    942.583    114.856   1632.742     20.972     95.387 
stddev	     0.000  10000.362      0.224     37.881      0.895  18953.336    196.178     48.876    835.275     32.866     19.024