avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    18.400      0.000    525.700  13163.390      0.000     92.610 
avg	     0.133      0.000      3.809     95.387      0.000      0.671 
stddev	     0.041      0.000      0.569      2.858      0.000      2.998 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    106.000      9.000  17320.000     40.000 8084359.500 128385.810  18982.170 164000.450   1438.860  13732.800 
avg	     0.000      0.768      0.065    125.507      0.290  58582.315    930.332    137.552   1188.409     10.427     99.513 
stddev	     0.000      1.038      0.403     49.138      1.712  23571.902     59.330     22.696    451.789      7.257      5.768