Finding processor id in which process is running [through command/interface similar to top]

问题

Is there any way i can get the CPU which CPU the process is running?

回答1:

You can use /proc/[id]/stat file and read the 39th value (seperated by spaces). This tells which cpu id the process of [pid] is currently running on:

cat /proc/[id]/stat | awk '{print $39}'

For more info: man proc.

回答2:

If you wanna get it in code, it is the variable current points to.

回答3:

You can use "ps" command as:

You can use "ps" command as:

ps -p <pid> -o pid,comm,psr
Ex:
ps -p 1 -o pid,comm,psr
PID COMMAND         PSR
1   init              10

来源：https://stackoverflow.com/questions/8131320/finding-processor-id-in-which-process-is-running-through-command-interface-simi