set a processess CPU affinity

taskset taskset [options] [mask |list] [pid |command [args] ] taskset is used to retrieve or set the processor affinity mask of either an existing process, given its PID, or to run a new a process, given its command name, with a specified affinity mask. The Linux scheduler will then honor the given affinity mask, ensuring that the process in question runs only on allowed processors. Options -c, --cpu-list The affinity mask will be provided in list form, for example, "0,2,5-6," not as a bitmask. -p, --pid Set or retrieve the mask of the given PID. Do not start a new process. -h, --help Display usage information and then exit. -V, --version Display version information and then exit.

How to Set Which Process Runing on Which Cpu Core              #taskset -c 1 1253                         Find Which Porcess running in Which Cpu core               #ps o pid,psr,cmd -p PID