***vanilla***

localhost# sysbench --test=threads --num-threads=10 run
sysbench v0.4.8:  multi-threaded system evaluation benchmark

Running the test with following options:
Number of threads: 10

Doing thread subsystem performance test
Thread yields per test: 1000 Locks used: 8
Threads started!
Done.


Test execution summary:
    total time:                          27.7371s
    total number of events:              10000
    total time taken by event execution: 277.3034
    per-request statistics:
         min:                            0.0116s
         avg:                            0.0277s
         max:                            4.2506s
         approx.  95 percentile:         0.0232s

Threads fairness:
    events (avg/stddev):           1000.0000/148.69
    execution time (avg/stddev):   27.7303/0.00

localhost# sysbench --test=threads --num-threads=10 run
sysbench v0.4.8:  multi-threaded system evaluation benchmark

Running the test with following options:
Number of threads: 10

Doing thread subsystem performance test
Thread yields per test: 1000 Locks used: 8
Threads started!
Done.


Test execution summary:
    total time:                          20.9996s
    total number of events:              10000
    total time taken by event execution: 209.9365
    per-request statistics:
         min:                            0.0055s
         avg:                            0.0210s
         max:                            7.2007s
         approx.  95 percentile:         0.0177s

Threads fairness:
    events (avg/stddev):           1000.0000/136.99
    execution time (avg/stddev):   20.9936/0.00

localhost# sysbench --test=threads --num-threads=10 run
sysbench v0.4.8:  multi-threaded system evaluation benchmark

Running the test with following options:
Number of threads: 10

Doing thread subsystem performance test
Thread yields per test: 1000 Locks used: 8
Threads started!
Done.


Test execution summary:
    total time:                          24.9576s
    total number of events:              10000
    total time taken by event execution: 249.5127
    per-request statistics:
         min:                            0.0052s
         avg:                            0.0250s
         max:                            7.5511s
         approx.  95 percentile:         0.0209s

Threads fairness:
    events (avg/stddev):           1000.0000/120.20
    execution time (avg/stddev):   24.9513/0.00

localhost# sysbench --test=threads --num-threads=10 run
sysbench v0.4.8:  multi-threaded system evaluation benchmark

Running the test with following options:
Number of threads: 10

Doing thread subsystem performance test
Thread yields per test: 1000 Locks used: 8
Threads started!
Done.


Test execution summary:
    total time:                          21.1337s
    total number of events:              10000
    total time taken by event execution: 211.2755
    per-request statistics:
         min:                            0.0077s
         avg:                            0.0211s
         max:                            8.3675s
         approx.  95 percentile:         0.0176s

Threads fairness:
    events (avg/stddev):           1000.0000/193.87
    execution time (avg/stddev):   21.1275/0.00

localhost# 


***patched***


localhost# sysbench --test=threads --num-threads=10 run
sysbench v0.4.8:  multi-threaded system evaluation benchmark

Running the test with following options:
Number of threads: 10

Doing thread subsystem performance test
Thread yields per test: 1000 Locks used: 8
Threads started!
Done.


Test execution summary:
    total time:                          29.7025s
    total number of events:              10000
    total time taken by event execution: 296.9745
    per-request statistics:
         min:                            0.0191s
         avg:                            0.0297s
         max:                            6.8461s
         approx.  95 percentile:         0.0250s

Threads fairness:
    events (avg/stddev):           1000.0000/152.44
    execution time (avg/stddev):   29.6975/0.00

localhost# sysbench --test=threads --num-threads=10 run
sysbench v0.4.8:  multi-threaded system evaluation benchmark

Running the test with following options:
Number of threads: 10

Doing thread subsystem performance test
Thread yields per test: 1000 Locks used: 8
Threads started!
Done.


Test execution summary:
    total time:                          42.4554s
    total number of events:              10000
    total time taken by event execution: 424.4862
    per-request statistics:
         min:                            0.0173s
         avg:                            0.0424s
         max:                            12.6480s
         approx.  95 percentile:         0.0368s

Threads fairness:
    events (avg/stddev):           1000.0000/164.54
    execution time (avg/stddev):   42.4486/0.00

localhost# sysbench --test=threads --num-threads=10 run
sysbench v0.4.8:  multi-threaded system evaluation benchmark

Running the test with following options:
Number of threads: 10

Doing thread subsystem performance test
Thread yields per test: 1000 Locks used: 8
Threads started!
Done.


Test execution summary:
    total time:                          33.6540s
    total number of events:              10000
    total time taken by event execution: 336.4721
    per-request statistics:
         min:                            0.0111s
         avg:                            0.0336s
         max:                            10.7059s
         approx.  95 percentile:         0.0284s

Threads fairness:
    events (avg/stddev):           1000.0000/171.83
    execution time (avg/stddev):   33.6472/0.00

localhost# sysbench --test=threads --num-threads=10 run
sysbench v0.4.8:  multi-threaded system evaluation benchmark

Running the test with following options:
Number of threads: 10

Doing thread subsystem performance test
Thread yields per test: 1000 Locks used: 8
Threads started!
Done.


Test execution summary:
    total time:                          32.2527s
    total number of events:              10000
    total time taken by event execution: 322.4752
    per-request statistics:
         min:                            0.0196s
         avg:                            0.0322s
         max:                            7.6795s
         approx.  95 percentile:         0.0273s

Threads fairness:
    events (avg/stddev):           1000.0000/134.37
    execution time (avg/stddev):   32.2475/0.00

localhost#