avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     8.140      0.000    368.920   6320.960      0.000  13302.100 
avg	     0.041      0.000      1.845     31.605      0.000     66.511 
stddev	     0.062      0.000      0.426     10.961      0.000     11.217 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2182903.550     69.990  21795.190    279.960 8839857.780 165980.330  28568.720 266368.880   1931.160  19999.720 
avg	     0.000  10914.518      0.350    108.976      1.400  44199.289    829.902    142.844   1331.844      9.656     99.999 
stddev	     0.000   3463.048      0.477     25.251      1.908   8804.128    151.550      2.605    229.825      2.365      0.106