avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.420      0.000    225.130  19481.440      0.000    289.060 
avg	     0.022      0.000      1.126     97.407      0.000      1.445 
stddev	     0.048      0.000      0.473      4.799      0.000      4.591 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	148462.760 1470820.970   4691.840  20830.130 612602.730 6016529.580 118523.620  28925.050 266820.700   1827.300  19999.950 
avg	   742.314   7354.105     23.459    104.151   3063.014  30082.648    592.618    144.625   1334.103      9.136    100.000 
stddev	  3042.644   3043.655     97.097     35.241  12555.329   8165.452    162.568      3.945    466.545      2.307      0.116