avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.900      0.000    854.880    462.740      0.000  11981.530 
avg	     0.007      0.000      6.428      3.479      0.000     90.087 
stddev	     0.009      0.000      2.189      1.910      0.000      2.865 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000  56535.190      0.000  12164.190      0.000 4361634.690  93028.260   5215.300  59038.530   1642.320  10119.310 
avg	     0.000    425.077      0.000     91.460      0.000  32794.246    699.461     39.213    443.899     12.348     76.085 
stddev	     0.000    255.059      0.000     44.233      0.000  16759.042    219.016     27.683    320.195     27.632     26.919