avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.160      0.000    228.330   6709.710      0.000  12857.890 
avg	     0.021      0.000      1.153     33.887      0.000     64.939 
stddev	     0.049      0.000      0.684      7.913      0.000      8.302 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	1517930.920  19595.510  11953.590  28377.730 764957.750 8958089.610 132440.200   1784.110  11435.920   1202.820  17291.380 
avg	  7666.318     98.967     60.372    143.322   3863.423  45242.877    668.890      9.011     57.757      6.075     87.330 
stddev	 30694.615    395.158    241.723     89.463  15470.486  12349.579    196.202      3.395     18.315      2.072     13.605