avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.820      0.000    162.590  14055.200      0.000   5779.450 
avg	     0.014      0.000      0.813     70.276      0.000     28.897 
stddev	     0.042      0.000      0.417     17.896      0.000     17.989 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	253713.000 1733953.620   8243.000  19033.840 1047824.000 7020546.220 141659.180  26491.880 241648.450   1864.740  20000.010 
avg	  1268.565   8669.768     41.215     95.169   5239.120  35102.731    708.296    132.459   1208.242      9.324    100.000 
stddev	  4087.897   3818.659    132.641     31.466  16885.699  10781.912    182.774      9.319    522.120      2.920      0.078