avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     9.950      0.000    402.060   6408.060      0.000  13179.950 
avg	     0.050      0.000      2.010     32.040      0.000     65.900 
stddev	     0.070      0.000      0.610      9.875      0.000     10.224 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	257587.000    158.910   4575.000  21858.580 1048648.000 11173952.830 193752.880  28659.120 229980.920   1616.890  19999.520 
avg	  1287.935      0.795     22.875    109.293   5243.240  55869.764    968.764    143.296   1149.905      8.084     99.998 
stddev	  3629.251      2.531     67.689     32.093  14779.178  16421.873    150.199      1.953    282.241      1.776      0.106