avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	   138.180      0.000    457.390  19404.270      0.000      0.000 
avg	     0.691      0.000      2.287     97.021      0.000      0.000 
stddev	     0.165      0.000      0.330      0.347      0.000      0.000 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000   1543.950      0.000  32070.520      0.000 3071659.700  39991.320  30384.320 190758.590   1302.810  19999.810 
avg	     0.000      7.720      0.000    160.353      0.000  15358.299    199.957    151.922    953.793      6.514     99.999 
stddev	     0.000      7.728      0.000     33.181      0.000   4165.842     66.710     10.670    100.086      1.404      0.090