avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.250      0.000    272.630   8451.700      0.000  11271.450 
avg	     0.021      0.000      1.363     42.258      0.000     56.357 
stddev	     0.052      0.000      0.844     14.330      0.000     14.612 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	257651.000    267.000   4514.000  21148.010 1048660.000 10796845.070 193834.490  28184.390 234925.270   1690.790  20000.010 
avg	  1288.255      1.335     22.570    105.740   5243.300  53984.225    969.172    140.922   1174.626      8.454    100.000 
stddev	  3691.387      3.584     68.481     32.258  15027.686  16466.067    146.524     11.780    299.750      2.123      0.076