avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.490      0.000    436.360   3839.610      0.000   9023.610 
avg	     0.004      0.000      3.281     28.869      0.000     67.847 
stddev	     0.021      0.000      0.595      4.361      0.000      4.361 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    346.000      0.000  15333.840      0.000 7839166.890 135973.190  18591.870 162909.200   1198.950  13299.810 
avg	     0.000      2.602      0.000    115.292      0.000  58941.104   1022.355    139.788   1224.881      9.015     99.999 
stddev	     0.000     13.880      0.000     20.607      0.000  10583.081      8.430      3.009    181.674      1.940      0.130