avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    11.890      0.000    418.560   7747.260      0.000  11822.370 
avg	     0.059      0.000      2.093     38.736      0.000     59.112 
stddev	     0.069      0.000      0.792     12.072      0.000     12.288 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	257956.000    224.920   4206.000  21539.690 1048648.000 11001287.560 193920.860  28690.070 233683.900   1645.770  20000.110 
avg	  1289.780      1.125     21.030    107.698   5243.240  55006.438    969.604    143.450   1168.419      8.229    100.001 
stddev	  3639.112      2.788     59.017     31.909  14794.212  16303.567    140.301      1.645    284.980      1.800      0.079