avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.190      0.000     92.690   9147.240      0.000   4058.840 
avg	     0.009      0.000      0.697     68.776      0.000     30.518 
stddev	     0.020      0.000      0.284     25.876      0.000     26.121 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000      3.000     28.990   9707.350    115.960 3719371.840 106144.210  19117.190 266322.370   2205.620  13300.210 
avg	     0.000      0.023      0.218     72.988      0.872  27965.202    798.077    143.738   2002.424     16.584    100.002 
stddev	     0.000      0.148      0.413     29.282      1.651  10116.054    174.536      2.322    483.083      8.275      0.144