avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     7.390      0.000  12275.090    944.800      0.000     72.610 
avg	     0.056      0.000     92.294      7.104      0.000      0.546 
stddev	     0.069      0.000     11.532     10.666      0.000      1.092 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2797567.620      7.990  22096.470     31.960 11271728.790 134429.950  16246.010 103663.670    898.410  12696.660 
avg	     0.000  21034.343      0.060    166.139      0.240  84749.841   1010.752    122.150    779.426      6.755     95.464 
stddev	     0.000   8754.681      0.267     58.971      1.069  30314.159     88.406     30.486    333.891      3.763     14.907