avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.260      0.000    578.010   7436.180      0.000   5285.460 
avg	     0.002      0.000      4.346     55.911      0.000     39.740 
stddev	     0.016      0.000      1.879     11.373      0.000     11.009 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000     22.000      0.000   6993.000      0.000 832992.000  31415.260  19189.290 362125.000   2827.740  13300.800 
avg	     0.000      0.165      0.000     52.579      0.000   6263.098    236.205    144.280   2722.744     21.261    100.006 
stddev	     0.000      0.951      0.000     10.146      0.000   1289.116     12.757      3.336    497.357     12.287      0.120