psutil获取命令_ps -aux

import psutil

def show_process():
    '''列出所有当前正在运行的进程pid-name信息'''
    for proc in psutil.process_iter():
        try:
            pinfo = proc.as_dict(attrs=['pid', 'cmdline'])
        except psutil.NoSuchProcess:
            pass
        else:
            print(pinfo)

if __name__ == '__main__':
    show_process()