Comment 18 for bug 1774915

CPU benchmarking

tracy@tracy-hp:~$ sysbench --test=cpu run
WARNING: the --test option is deprecated. You can pass a script name or path on the command line without any options.
sysbench 1.0.11 (using system LuaJIT 2.1.0-beta3)

Running the test with following options:
Number of threads: 1
Initializing random number generator from current time

Prime numbers limit: 10000

Initializing worker threads...

Threads started!

CPU speed:
    events per second: 861.57

General statistics:
    total time: 10.0012s
    total number of events: 8620

Latency (ms):
         min: 1.14
         avg: 1.16
         max: 3.55
         95th percentile: 1.21
         sum: 9999.07

Threads fairness:
    events (avg/stddev): 8620.0000/0.00
    execution time (avg/stddev): 9.9991/0.00

tracy@tracy-hp:~$ sysbench --test=cpu --num-threads=16 run
WARNING: the --test option is deprecated. You can pass a script name or path on the command line without any options.
WARNING: --num-threads is deprecated, use --threads instead
sysbench 1.0.11 (using system LuaJIT 2.1.0-beta3)

Running the test with following options:
Number of threads: 16
Initializing random number generator from current time

Prime numbers limit: 10000

Initializing worker threads...

Threads started!

CPU speed:
    events per second: 4668.70

General statistics:
    total time: 10.0023s
    total number of events: 46707

Latency (ms):
         min: 1.55
         avg: 3.42
         max: 49.71
         95th percentile: 17.63
         sum: 159900.51

Threads fairness:
    events (avg/stddev): 2919.1875/110.55
    execution time (avg/stddev): 9.9938/0.01

tracy@tracy-hp:~$ sysbench --test=cpu --num-threads=16 --cpu-max-prime=100000 run
WARNING: the --test option is deprecated. You can pass a script name or path on the command line without any options.
WARNING: --num-threads is deprecated, use --threads instead
sysbench 1.0.11 (using system LuaJIT 2.1.0-beta3)

Running the test with following options:
Number of threads: 16
Initializing random number generator from current time

Prime numbers limit: 100000

Initializing worker threads...

Threads started!

CPU speed:
    events per second: 199.77

General statistics:
    total time: 10.0494s
    total number of events: 2008

Latency (ms):
         min: 39.76
         avg: 79.86
         max: 156.43
         95th percentile: 92.42
         sum: 160358.07

Threads fairness:
    events (avg/stddev): 125.5000/1.94
    execution time (avg/stddev): 10.0224/0.01

tracy@tracy-hp:~$