avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    16.500      0.000    694.620  12896.900      0.000    191.920 
avg	     0.120      0.000      5.033     93.456      0.000      1.391 
stddev	     0.045      0.000      1.112      4.852      0.000      5.037 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1744735.960      6.000  14585.310     24.000 7104471.490 132798.280  17813.270 189549.780   1899.050  13788.610 
avg	     0.000  12643.014      0.043    105.691      0.174  51481.677    962.306    129.082   1373.549     13.761     99.917 
stddev	     0.000   8166.880      0.237     51.872      0.947  26207.336     83.321     24.381    692.659     10.045      0.889