avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.830      0.000   1214.170    532.490      0.000  11550.490 
avg	     0.021      0.000      9.129      4.004      0.000     86.846 
stddev	     0.048      0.000      6.017      5.665      0.000      7.485 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 805006.420     51.990   8452.650    207.960 3254354.300  63243.070   1991.130  17897.790    622.240   5451.040 
avg	     0.000   6052.680      0.391     63.554      1.564  24468.829    475.512     14.971    134.570      4.678     40.985 
stddev	     0.000   7401.133      0.488     70.401      1.952  26731.948    429.054     22.253    173.498      7.008     42.202