avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.930      0.000    421.250   7455.680      0.000   5422.210 
avg	     0.007      0.000      3.167     56.058      0.000     40.768 
stddev	     0.028      0.000      1.036      8.679      0.000      8.813 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    346.000      0.000  15202.000      0.000 7641064.000 133728.570  18351.020 162535.470   1227.200  13300.800 
avg	     0.000      2.602      0.000    114.301      0.000  57451.609   1005.478    137.978   1222.071      9.227    100.006 
stddev	     0.000     13.946      0.000     24.023      0.000  12055.466     11.334      5.704    193.195      2.307      0.110