avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.000      0.000     75.150  13151.970      0.000     72.890 
avg	     0.000      0.000      0.565     98.887      0.000      0.548 
stddev	     0.000      0.000      0.271      2.867      0.000      2.677 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1420478.620      4.000  11909.110     16.000 5730284.550 127971.210  18343.380 205155.920   1487.620  13299.810 
avg	     0.000  10680.290      0.030     89.542      0.120  43084.846    962.190    137.920   1542.526     11.185     99.999 
stddev	     0.000   3404.057      0.210      3.877      0.841   1940.490     21.916     16.659    193.945      0.490      0.110