avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     5.100      0.000    213.040  14903.530      0.000   4878.350 
avg	     0.025      0.000      1.065     74.518      0.000     24.392 
stddev	     0.052      0.000      0.355     17.910      0.000     18.060 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	240446.000 1748717.660   7702.990  19082.030 992597.960 7067716.040 143087.240  28697.680 265520.950   1842.750  19999.960 
avg	  1202.230   8743.588     38.515     95.410   4962.990  35338.580    715.436    143.488   1327.605      9.214    100.000 
stddev	  3866.609   3134.221    123.978     31.056  15962.059  10077.985    180.165      3.159    479.105      2.478      0.077