avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.140      0.000    203.190   4873.930      0.000   8222.720 
avg	     0.001      0.000      1.528     36.646      0.000     61.825 
stddev	     0.012      0.000      0.683     13.164      0.000     13.504 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1560086.000      4.000  12321.000     16.000 6290644.000 135760.250  18899.060 203912.250   1435.580  13300.400 
avg	     0.000  11729.970      0.030     92.639      0.120  47298.075   1020.754    142.098   1533.175     10.794    100.003 
stddev	     0.000   1918.569      0.210      1.400      0.841    895.718      7.898      7.074    119.794      0.160      0.060