avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.900      0.000     39.280   7755.900      0.000   5499.970 
avg	     0.037      0.000      0.295     58.315      0.000     41.353 
stddev	     0.059      0.000      0.165     15.441      0.000     15.433 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1328013.000     44.000  12994.000    176.000 5364420.000 111718.060  19017.470 195765.170   1398.400  13300.400 
avg	     0.000   9985.060      0.331     97.699      1.323  40333.985    839.985    142.988   1471.919     10.514    100.003 
stddev	     0.000   3148.999      0.516     18.020      2.065   6069.449    134.952      1.189    191.846      1.776      0.092