To test turn on/off by signal
./run.sh
default turn on when program start (write at run.sh) you can remove it and send signal by yourself sameway to turn off
If profiler started succeddfully, you'll see **Using signal 12 as cpu profiling switch **.
and when you send signal to stop it, message'll be **PROFILE: interrupts/evictions/bytes = 5164/2301/135704 **.
gl hf