avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	   141.000      0.000    540.670  18497.300      0.000    821.080 
avg	     0.705      0.000      2.703     92.486      0.000      4.105 
stddev	     0.149      0.000      0.575     10.055      0.000      9.691 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 924658.350     58.960  21111.980    235.840 3783457.390  74976.810  28785.260 278328.520   1964.640  20000.210 
avg	     0.000   4623.292      0.295    105.560      1.179  18917.287    374.884    143.926   1391.643      9.823    100.001 
stddev	     0.000   1390.360      0.554     28.056      2.215   3083.289     76.166      1.902    239.315      1.535      0.085