ps aux|grep php-fpm

2.重启命令----加了服务---root用户

# service php-fpm start
# service php-fpm stop
# service php-fpm restart
# service php-fpm reload

3.非root用户

find / -name php-fpm.pid

 kill -USR2 `cat /usr/local/php/var/run/php-fpm.pid`