avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.980      0.000    325.830   3007.650      0.000   9964.480 
avg	     0.015      0.000      2.450     22.614      0.000     74.921 
stddev	     0.045      0.000      1.674     12.296      0.000     13.432 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2448723.140      7.000  19281.970     28.000 9871059.730 135889.820  19015.400 135690.680   1386.560  13299.620 
avg	     0.000  18411.452      0.053    144.977      0.211  74218.494   1021.728    142.973   1020.231     10.425     99.997 
stddev	     0.000   4231.221      0.283     33.821      1.131  17321.018     12.588      3.015    306.342     16.783      0.191