avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    13.060      0.000   9820.590   1265.920      0.000   2200.260 
avg	     0.098      0.000     73.839      9.518      0.000     16.543 
stddev	     0.149      0.000     15.294     19.386      0.000     11.632 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000   8269.370      0.000  35281.070      0.000 2782040.700  20943.050    119.070    495.720    148.270   3874.220 
avg	     0.000     62.176      0.000    265.271      0.000  20917.599    157.467      0.895      3.727      1.115     29.129 
stddev	     0.000     60.450      0.000    112.015      0.000   9966.897     35.191      1.100      6.967      0.295     10.811