avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    49.420      0.000   5277.650   7741.360      0.000    831.550 
avg	     0.356      0.000     37.969     55.693      0.000      5.982 
stddev	     0.159      0.000     10.256     14.739      0.000     16.488 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    559.000      1.000  16890.500      4.000 8291277.700 120151.260  16454.470 126566.930   1080.370  11789.010 
avg	     0.000      4.022      0.007    121.514      0.029  59649.480    864.398    118.377    910.553      7.772     84.813 
stddev	     0.000     15.307      0.085     53.963      0.338  29692.214    336.849     52.154    607.558      8.554     34.617