avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    17.810      0.000   8283.070   4992.950      0.000      5.960 
avg	     0.134      0.000     62.279     37.541      0.000      0.045 
stddev	     0.132      0.000     12.805     12.765      0.000      0.151 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1739186.810      9.250  20794.180     37.000 6997252.820  89088.110    732.540   3989.810    519.140   8241.560 
avg	     0.000  13076.593      0.070    156.347      0.278  52610.923    669.835      5.508     29.999      3.903     61.967 
stddev	     0.000   3631.179      0.243     36.789      0.973  11827.278    115.791     12.275     64.734      0.607     15.449