控制节点：
ceilometer-api:
/etc/init.d/openstack-ceilometer-api status
ceilometer-collector
/etc/init.d/openstack-ceilometer-collector status
ceilometer-alarm-notifier
/etc/init.d/openstack-ceilometer-alarm-notifier status
ceilometer-notification
/etc/init.d/openstack-ceilometer-notification status
计算节点：
ceilometer-compute：
/etc/init.d/openstack-ceilometer-compute status
重启服务
/etc/init.d/openstack-ceilometer-compute restart