avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.610      0.000    304.260   1204.430      0.000   2790.710 
avg	     0.014      0.000      7.076     28.010      0.000     64.900 
stddev	     0.017      0.000      0.835      3.530      0.000      3.200 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 435701.280      2.190   3508.610      8.780 1743429.410  42648.260   6555.600  81480.020    566.590   4238.910 
avg	     0.000  10132.588      0.051     81.596      0.204  40544.870    991.820    152.456   1894.884     13.177     98.579 
stddev	     0.000   3105.006      0.175     21.832      0.701  10893.359     17.246     29.649    455.590      4.778      8.937