avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.970      0.000    196.350   6033.410      0.000  13766.290 
avg	     0.020      0.000      0.982     30.167      0.000     68.831 
stddev	     0.049      0.000      0.575     11.984      0.000     11.977 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	258042.000    675.990   4122.000  21463.800 1048656.000 10773767.680 191168.320  23237.290 188910.110   1667.620  19999.710 
avg	  1290.210      3.380     20.610    107.319   5243.280  53868.838    955.842    116.186    944.551      8.338     99.999 
stddev	  3649.208     15.771     58.089     32.008  14829.990  16160.392    133.170     24.216    286.703      2.001      0.082