avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    23.540      0.000    874.260  12763.800      0.000    138.480 
avg	     0.171      0.000      6.335     92.491      0.000      1.003 
stddev	     0.050      0.000      1.519      4.931      0.000      5.009 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1980707.490      6.000  16257.240     24.000 8056998.060 136000.410  19051.870 168822.520   1606.900  13767.010 
avg	     0.000  14352.953      0.043    117.806      0.174  58384.044    985.510    138.057   1223.352     11.644     99.761 
stddev	     0.000   6648.296      0.266     40.286      1.063  20282.581     28.968     23.002    479.367     11.964      2.853