avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    81.490      0.000    405.590   3121.620      0.000  16391.510 
avg	     0.407      0.000      2.028     15.608      0.000     81.958 
stddev	     0.115      0.000      0.983      4.713      0.000      4.435 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2681080.880      9.000  21366.740     36.000 10810931.560 202311.210  35297.110 332763.240   1977.270  20000.210 
avg	     0.000  13405.404      0.045    106.834      0.180  54054.658   1011.556    176.486   1663.816      9.886    100.001 
stddev	     0.000   6739.116      0.251     23.061      1.004  11679.909     13.176     27.211    361.041      2.503      0.094