avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.950      0.000    111.060  17245.390      0.000   2641.590 
avg	     0.010      0.000      0.555     86.227      0.000     13.208 
stddev	     0.036      0.000      0.476     18.068      0.000     18.164 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	695682.540    426.260   5475.950  18401.900 350450.920 8662539.170 183496.560  28559.050 303568.420   2078.100  20000.020 
avg	  3478.413      2.131     27.380     92.010   1752.255  43312.696    917.483    142.795   1517.842     10.390    100.000 
stddev	 19955.675      1.573    157.092     16.121  10053.543   7790.022    140.555      1.430    622.141      1.905      0.081