root@raspberry-pi:~# sysbench --test=cpu --cpu-max-prime=20000 run
sysbench 0.4.12:  multi-threaded system evaluation benchmark

Running the test with following options:
Number of threads: 1

Doing CPU performance benchmark

Threads started!
Done.

Maximum prime number checked in CPU test: 20000


Test execution summary:
    total time:                          1311.7303s
    total number of events:              10000
    total time taken by event execution: 1311.6864
    per-request statistics:
         min:                                130.69ms
         avg:                                131.17ms
         max:                                271.28ms
         approx.  95 percentile:             131.00ms

Threads fairness:
    events (avg/stddev):           10000.0000/0.00
    execution time (avg/stddev):   1311.6864/0.00