avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.170      0.000   1860.740   5295.190      0.000  12840.870 
avg	     0.016      0.000      9.304     26.476      0.000     64.204 
stddev	     0.028      0.000      2.103      6.073      0.000      5.780 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1345231.150      6.000  15167.060     24.000 5519502.300 139530.800  25333.140 321544.990   3910.340  18813.280 
avg	     0.000   6726.156      0.030     75.835      0.120  27597.512    697.654    126.666   1607.725     19.552     94.066 
stddev	     0.000   4379.547      0.222     36.667      0.886  13737.468    182.081     49.358    710.377     35.350     21.107