the value of cpu is always 0,: causing memory error

http://paste.openstack.org/show/51941/

2013-11-12 08:21:51.101 2548 INFO ceilometer.compute.manager [-] Polling pollster cpu
2013-11-12 08:21:51.101 2548 INFO ceilometer.compute.pollsters.cpu [-] checking instance a7d2b685-cf54-4726-b535-c42870cfc7be
2013-11-12 08:21:51.492 2548 INFO ceilometer.compute.pollsters.cpu [-] CPUTIME USAGE: {'OS-EXT-STS:task_state': None, 'addresses': {u'network1': [{u'OS-EXT-IPS-MAC:mac_addr': u'fa:16:3e:2e:4c:26', u'version': 4, u'addr': u'10.0.1.3', u'OS-EXT-IPS:type': u'fixed'}]}, 'links': [{u'href': u'http://10.1.1.151:8774/v2/0013b7b825174c869afa6a513493044b/servers/a7d2b685-cf54-4726-b535-c42870cfc7be', u'rel': u'self'}, {u'href': u'http://10.1.1.151:8774/0013b7b825174c869afa6a513493044b/servers/a7d2b685-cf54-4726-b535-c42870cfc7be', u'rel': u'bookmark'}], 'image': {u'id': u'fc79cd16-45f3-4f9c-9857-442385b7f955', u'links': [{u'href': u'http://10.1.1.151:8774/0013b7b825174c869afa6a513493044b/images/fc79cd16-45f3-4f9c-9857-442385b7f955', u'rel': u'bookmark'}], 'name': u'hyperv-image'}, 'ramdisk_id': None, 'manager': <novaclient.v1_1.servers.ServerManager object at 0x030DB1B0>, 'OS-EXT-STS:vm_state': u'active', 'OS-EXT-SRV-ATTR:instance_name': u'instance-00000004', 'OS-SRV-USG:launched_at': u'2013-11-12T15:56:26.000000', 'flavor': {'name': u'xj-flavor', u'links': [{u'href': u'http://10.1.1.151:8774/0013b7b825174c869afa6a513493044b/flavors/7', u'rel': u'bookmark'}], 'ram': 1024, 'ephemeral': 0, 'vcpus': 1, 'disk': 10, u'id': u'7'}, 'id': u'a7d2b685-cf54-4726-b535-c42870cfc7be', 'security_groups': [{u'name': u'default'}], 'user_id': u'49774643974642b5898facdea26c92c9', 'OS-DCF:diskConfig': u'MANUAL', 'accessIPv4': u'', 'accessIPv6': u'', 'progress': 0, 'OS-EXT-STS:power_state': 1, 'OS-EXT-AZ:availability_zone': u'nova', 'config_drive': u'', 'status': u'ACTIVE', 'updated': u'2013-11-12T08:56:03Z', 'hostId': u'bb9341a44b83789f578a5d5d87c260f5f7a593d50f0413c09a12a50c', 'OS-EXT-SRV-ATTR:host': u'WIN-RGVGHQAJUUB', 'OS-SRV-USG:terminated_at': None, 'kernel_id': None, 'key_name': None, 'OS-EXT-SRV-ATTR:hypervisor_hostname': u'WIN-RGVGHQAJUUB', 'name': u'hyperv8888', 'created': u'2013-11-12T08:55:53Z', 'tenant_id': u'0013b7b825174c869afa6a513493044b', 'os-extended-volumes:volumes_attached': [], '_info': {u'OS-EXT-STS:task_state': None, u'addresses': {u'network1': [{u'OS-EXT-IPS-MAC:mac_addr': u'fa:16:3e:2e:4c:26', u'version': 4, u'addr': u'10.0.1.3', u'OS-EXT-IPS:type': u'fixed'}]}, u'links': [{u'href': u'http://10.1.1.151:8774/v2/0013b7b825174c869afa6a513493044b/servers/a7d2b685-cf54-4726-b535-c42870cfc7be', u'rel': u'self'}, {u'href': u'http://10.1.1.151:8774/0013b7b825174c869afa6a513493044b/servers/a7d2b685-cf54-4726-b535-c42870cfc7be', u'rel': u'bookmark'}], u'image': {u'id': u'fc79cd16-45f3-4f9c-9857-442385b7f955', u'links': [{u'href': u'http://10.1.1.151:8774/0013b7b825174c869afa6a513493044b/images/fc79cd16-45f3-4f9c-9857-442385b7f955', u'rel': u'bookmark'}], 'name': u'hyperv-image'}, u'OS-EXT-STS:vm_state': u'active', u'OS-EXT-SRV-ATTR:instance_name': u'instance-00000004', u'OS-SRV-USG:launched_at': u'2013-11-12T15:56:26.000000', u'flavor': {'name': u'xj-flavor', u'links': [{u'href': u'http://10.1.1.151:8774/0013b7b825174c869afa6a513493044b/flavors/7', u'rel': u'bookmark'}], 'ram': 1024, 'ephemeral': 0, 'vcpus': 1, 'disk': 10, u'id': u'7'}, u'id': u'a7d2b685-cf54-4726-b535-c42870cfc7be', u'security_groups': [{u'name': u'default'}], u'user_id': u'49774643974642b5898facdea26c92c9', u'OS-DCF:diskConfig': u'MANUAL', u'accessIPv4': u'', u'accessIPv6': u'', u'progress': 0, u'OS-EXT-STS:power_state': 1, u'OS-EXT-AZ:availability_zone': u'nova', u'config_drive': u'', u'status': u'ACTIVE', u'updated': u'2013-11-12T08:56:03Z', u'hostId': u'bb9341a44b83789f578a5d5d87c260f5f7a593d50f0413c09a12a50c', u'OS-EXT-SRV-ATTR:host': u'WIN-RGVGHQAJUUB', u'OS-SRV-USG:terminated_at': None, u'key_name': None, u'OS-EXT-SRV-ATTR:hypervisor_hostname': u'WIN-RGVGHQAJUUB', u'name': u'hyperv8888', u'created': u'2013-11-12T08:55:53Z', u'tenant_id': u'0013b7b825174c869afa6a513493044b', u'os-extended-volumes:volumes_attached': [], u'metadata': {}}, 'metadata': {}, '_loaded': True} 0
2013-11-12 08:21:51.506 2548 DEBUG ceilometer.pipeline [-] Pipeline cpu_pipeline: Transform sample <ceilometer.sample.Sample object at 0x0321E4F0> from 0 transformer _publish_samples C:\Program Files (x86)\IBM\SmartCloud Entry\Hyper-V Agent\Python27\lib\site-packages\ceilometer\pipeline.py:208
2013-11-12 08:21:51.506 2548 DEBUG ceilometer.transformer.conversions [-] handling sample (<ceilometer.sample.Sample object at 0x0321E4F0>,) handle_sample C:\Program Files (x86)\IBM\SmartCloud Entry\Hyper-V Agent\Python27\lib\site-packages\ceilometer\transformer\conversions.py:123
2013-11-12 08:21:51.523 2548 WARNING ceilometer.pipeline [-] Pipeline cpu_pipeline: Exit after error from transformer<ceilometer.transformer.conversions.RateOfChangeTransformer object at 0x0321EDB0> for <ceilometer.sample.Sample object at 0x0321E4F0>
2013-11-12 08:21:51.523 2548 ERROR ceilometer.pipeline [-] 
2013-11-12 08:21:51.523 2548 TRACE ceilometer.pipeline Traceback (most recent call last):
2013-11-12 08:21:51.523 2548 TRACE ceilometer.pipeline   File "C:\Program Files (x86)\IBM\SmartCloud Entry\Hyper-V Agent\Python27\lib\site-packages\ceilometer\pipeline.py", line 182, in _transform_sample
2013-11-12 08:21:51.523 2548 TRACE ceilometer.pipeline     sample = transformer.handle_sample(ctxt, sample)
2013-11-12 08:21:51.523 2548 TRACE ceilometer.pipeline   File "C:\Program Files (x86)\IBM\SmartCloud Entry\Hyper-V Agent\Python27\lib\site-packages\ceilometer\transformer\conversions.py", line 143, in handle_sample
2013-11-12 08:21:51.523 2548 TRACE ceilometer.pipeline     s = self._convert(s, rate_of_change)
2013-11-12 08:21:51.523 2548 TRACE ceilometer.pipeline   File "C:\Program Files (x86)\IBM\SmartCloud Entry\Hyper-V Agent\Python27\lib\site-packages\ceilometer\transformer\conversions.py", line 91, in _convert
2013-11-12 08:21:51.523 2548 TRACE ceilometer.pipeline     volume=self._scale(s, scale) * growth,
2013-11-12 08:21:51.523 2548 TRACE ceilometer.pipeline   File "C:\Program Files (x86)\IBM\SmartCloud Entry\Hyper-V Agent\Python27\lib\site-packages\ceilometer\transformer\conversions.py", line 81, in _scale
2013-11-12 08:21:51.523 2548 TRACE ceilometer.pipeline     else s.volume * scale) if scale else s.volume)
2013-11-12 08:21:51.523 2548 TRACE ceilometer.pipeline   File "<string>", line 1, in <module>
2013-11-12 08:21:51.523 2548 TRACE ceilometer.pipeline MemoryError
2013-11-12 08:21:51.523 2548 TRACE ceilometer.pipeline