Hi ,my ceilometer.conf file is:

[DEFAULT]

#
# Options defined in ceilometer.middleware
#

# Exchanges name to listen for notifications (multi valued)
#http_control_exchanges=nova
#http_control_exchanges=glance
#http_control_exchanges=neutron
#http_control_exchanges=cinder


#
# Options defined in ceilometer.pipeline
#

# Configuration file for pipeline definition (string value)
#pipeline_cfg_file=pipeline.yaml


#
# Options defined in ceilometer.sample
#

# Source for samples emited on this instance (string value)
#sample_source=openstack


#
# Options defined in ceilometer.api.app
#

# The strategy to use for auth: noauth or keystone. (string
# value)
#auth_strategy=keystone

# Deploy the deprecated v1 API. (boolean value)
#enable_v1_api=true


#
# Options defined in ceilometer.compute.notifications
#

# Exchange name for Nova notifications (string value)
#nova_control_exchange=nova


#
# Options defined in ceilometer.compute.pollsters.util
#

# list of metadata prefixes reserved for metering use (list
# value)
#reserved_metadata_namespace=metering.

# limit on length of reserved metadata values (integer value)
#reserved_metadata_length=256


#
# Options defined in ceilometer.compute.virt.inspector
#

# Inspector to use for inspecting the hypervisor layer (string
# value)
#hypervisor_inspector=libvirt


#
# Options defined in ceilometer.compute.virt.libvirt.inspector
#

# Libvirt domain type (valid options are: kvm, lxc, qemu, uml,
# xen) (string value)
#libvirt_type=kvm

# Override the default libvirt URI (which is dependent on
# libvirt_type) (string value)
#libvirt_uri=


#
# Options defined in ceilometer.image.notifications
#

# Exchange name for Glance notifications (string value)
#glance_control_exchange=glance


#
# Options defined in ceilometer.network.notifications
#

# Exchange name for Neutron notifications (string value)
#neutron_control_exchange=neutron


#
# Options defined in ceilometer.objectstore.swift
#

# Swift reseller prefix. Must be on par with reseller_prefix
# in proxy-server.conf. (string value)
#reseller_prefix=AUTH_


#
# Options defined in ceilometer.openstack.common.db.sqlalchemy.session
#

# the filename to use with sqlite (string value)
#sqlite_db=ceilometer.sqlite

# If true, use synchronous mode for sqlite (boolean value)
#sqlite_synchronous=true


#
# Options defined in ceilometer.openstack.common.eventlet_backdoor
#

# Enable eventlet backdoor.  Acceptable values are 0, <port>,
# and <start>:<end>, where 0 results in listening on a random
# tcp port number; <port> results in listening on the
# specified port number (and not enabling backdoor if that
# port is in use); and <start>:<end> results in listening on
# the smallest unused port number within the specified range
# of port numbers.  The chosen port is displayed in the
# service's log file. (string value)
#backdoor_port=<None>


#
# Options defined in ceilometer.openstack.common.lockutils
#

# Whether to disable inter-process locks (boolean value)
#disable_process_locking=false

# Directory to use for lock files. (string value)
#lock_path=<None>


#
# Options defined in ceilometer.openstack.common.log
#

# Print debugging output (set logging level to DEBUG instead
# of default WARNING level). (boolean value)
#debug=false

# Print more verbose output (set logging level to INFO instead
# of default WARNING level). (boolean value)
#verbose=false

# Log output to standard error (boolean value)
#use_stderr=true

# format string to use for log messages with context (string
# value)
#logging_context_format_string=%(asctime)s.%(msecs)03d %(process)d %(levelname)s %(name)s [%(request_id)s %(user)s %(tenant)s] %(instance)s%(message)s

# format string to use for log messages without context
# (string value)
#logging_default_format_string=%(asctime)s.%(msecs)03d %(process)d %(levelname)s %(name)s [-] %(instance)s%(message)s

# data to append to log format when level is DEBUG (string
# value)
#logging_debug_format_suffix ...