avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.550      0.000    463.900   1790.580      0.000   3744.910 
avg	     0.009      0.000      7.732     29.843      0.000     62.415 
stddev	     0.017      0.000      1.210      3.124      0.000      3.073 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 646304.380      1.720   4909.790      6.870 2427371.860  59232.910   7574.110 102684.850    865.070   5999.860 
avg	     0.000  10771.740      0.029     81.830      0.114  40456.198    987.215    126.235   1711.414     14.418     99.998 
stddev	     0.000   9216.627      0.134     26.588      0.538  13330.243     18.715     34.032    745.445      8.131      0.107