avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.100      0.000    199.970  11167.210      0.000   8528.690 
avg	     0.021      0.000      1.005     56.117      0.000     42.858 
stddev	     0.050      0.000      0.754     17.630      0.000     17.706 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	2080504.000    705.020  16397.000  18745.210 1048696.000 8453346.830 166526.120  28415.020 269695.140   1835.490  19899.830 
avg	 10454.794      3.543     82.397     94.197   5269.829  42479.130    836.815    142.789   1355.252      9.224     99.999 
stddev	 34778.523      4.508    274.063     29.267  17528.612  13368.071    218.834      2.817    751.131      2.847      0.122