avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    43.270      0.000    326.080   6041.180      0.000   6889.500 
avg	     0.325      0.000      2.452     45.422      0.000     51.801 
stddev	     0.105      0.000      0.786     12.156      0.000     12.446 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1869941.050      6.000  14771.710     24.000 7541390.970 135757.670  18978.560 173490.630   1269.210  13299.810 
avg	     0.000  14059.707      0.045    111.065      0.180  56702.188   1020.734    142.696   1304.441      9.543     99.999 
stddev	     0.000   3365.415      0.270     24.150      1.082  12323.293      6.225      1.712    231.583      2.535      0.099