avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.840      0.000    158.740  19562.080      0.000    275.320 
avg	     0.019      0.000      0.794     97.810      0.000      1.377 
stddev	     0.045      0.000      0.746      3.932      0.000      3.687 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	189767.140 1006120.140   5692.170  24105.790 781837.270 4160926.520  70352.500  25980.590 189833.740   1550.340  20000.600 
avg	   948.836   5030.601     28.461    120.529   3909.186  20804.633    351.763    129.903    949.169      7.752    100.003 
stddev	  3150.772   2158.442     95.148     38.307  12982.820   5437.615     85.235     16.928    333.224      2.522      0.076