avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.300      0.000    372.540  12631.770      0.000    295.420 
avg	     0.002      0.000      2.801     94.976      0.000      2.221 
stddev	     0.011      0.000      1.350     11.699      0.000     11.265 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1162954.290      6.000   9734.160     24.000 4726199.290 127541.810   8513.520 113650.950   1970.670  11989.410 
avg	     0.000   8744.017      0.045     73.189      0.180  35535.333    958.961     64.011    854.518     14.817     90.146 
stddev	     0.000   6055.122      0.208     21.905      0.830  10800.515     90.978     35.150    542.549     20.166     19.751