avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    31.460      0.000   4604.830   1587.590      0.000  13776.040 
avg	     0.157      0.000     23.024      7.938      0.000     68.880 
stddev	     0.152      0.000     13.907     11.480      0.000     11.416 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	257824.000   2863.000   4351.000  11273.190 1048700.000 5316939.640 120268.770  11078.210  97839.710   1000.960  10727.410 
avg	  1289.120     14.315     21.755     56.366   5243.500  26584.698    601.344     55.391    489.199      5.005     53.637 
stddev	  3500.955     72.755     60.117     48.578  14236.751  22725.568    427.806     62.484    559.529      4.031     43.755