avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     8.480      0.000    557.720   6701.790      0.000  12131.980 
avg	     0.044      0.000      2.875     34.545      0.000     62.536 
stddev	     0.062      0.000      0.902      8.178      0.000      8.582 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	175166.240 1413618.130   5587.530  26232.710 722968.850 5759171.080  94980.680    700.060   4213.230    467.980   6700.990 
avg	   902.919   7286.691     28.802    135.220   3726.644  29686.449    489.591      3.609     21.718      2.412     34.541 
stddev	  3460.121   1997.351    110.542     62.557  14276.896   7916.193    200.874      4.742     19.045      1.540     22.056