avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.210      0.000    273.560  13021.650      0.000      3.480 
avg	     0.009      0.000      2.057     97.907      0.000      0.026 
stddev	     0.020      0.000      0.339      0.353      0.000      0.081 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000   1821.930     46.000  16980.220    184.000 5792884.710  95016.420  19057.750 159511.920   1350.310  13299.410 
avg	     0.000     13.699      0.346    127.671      1.383  43555.524    714.409    143.291   1199.338     10.153     99.996 
stddev	     0.000      8.192      0.491     57.700      1.965  22354.356    253.397      1.658    358.190      6.206      0.116