avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    72.600      0.000   1004.820   2277.840      0.000  15644.890 
avg	     0.382      0.000      5.289     11.989      0.000     82.342 
stddev	     0.111      0.000      4.028      2.320      0.000      3.739 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    419.860      0.000  23582.620      0.000 10995255.780 177301.610  27300.240 223700.820   1602.370  18999.590 
avg	     0.000      2.210      0.000    124.119      0.000  57869.767    933.166    143.685   1177.373      8.434     99.998 
stddev	     0.000     10.994      0.000     24.183      0.000  11150.807     24.317      1.136    195.175      1.968      0.137