avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.900      0.000    204.480   3533.600      0.000   9560.990 
avg	     0.007      0.000      1.537     26.568      0.000     71.887 
stddev	     0.035      0.000      0.824     11.456      0.000     11.883 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000      3.000      3.000  12458.100     12.000 6273898.250 133929.940  19058.180 203273.550   1420.450  13299.410 
avg	     0.000      0.023      0.023     93.670      0.090  47172.167   1006.992    143.295   1528.373     10.680     99.996 
stddev	     0.000      0.148      0.259      2.185      1.037   1095.529      7.805      0.939    166.173      0.252      0.105