Linux 시스템에서 프로세스 우선순위를 관리하는 방법

ps -eo pid,cmd,nice

renice 10 -p 1234

import subprocess # 获取进程的PID def get_pid(process_name): pid = subprocess.check_output(['pgrep', process_name]).decode().strip() return pid # 获取进程的nice值 def get_nice(pid): nice = subprocess.check_output(['ps', '-o', 'nice', '-p', pid]).decode().split(' ')[1].strip() return nice # 设置进程的nice值 def set_nice(pid, nice_value): subprocess.call(['renice', str(nice_value), '-p', pid]) # 主函数 if __name__ == "__main__": process_name = 'python' pid = get_pid(process_name) if pid: print(f"进程{process_name}的PID为{pid}") nice = get_nice(pid) print(f"进程{process_name}的nice值为{nice}") new_nice = 10 set_nice(pid, new_nice) print(f"将进程{process_name}的nice值设置为{new_nice}") else: print(f"未找到进程{process_name}")