avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    19.940      0.000    524.830  13116.700      0.000    138.590 
avg	     0.144      0.000      3.803     95.049      0.000      1.004 
stddev	     0.048      0.000      0.483      5.883      0.000      6.012 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000   1359.000     55.000  17818.000    220.000 7248160.000 112704.160  19558.900 154066.480   1197.610  13728.400 
avg	     0.000      9.848      0.399    129.116      1.594  52522.899    816.697    141.731   1116.424      8.678     99.481 
stddev	     0.000      8.955      0.490     41.684      1.958  16733.126    115.390     13.679    231.284      3.310      6.108