Unify the timestamp of samples generated by polling agents

Registered by Wenzhi Yu

Many of the pollsters define the timestamp individually for each generated
sample, which should really be timestamping based on when the data was polled
and not when each sample is generated. We need to set the timestamp of the
polled data to the timestamp when the polling starts for unity.

Blueprint information

Status:
Complete
Approver:
ZhiQiang Fan
Priority:
Low
Drafter:
Wenzhi Yu
Direction:
Approved
Assignee:
Wenzhi Yu
Definition:
Approved
Series goal:
Accepted for newton
Implementation:
Implemented
Milestone target:
None
Started by
gordon chung
Completed by
gordon chung

Related branches

Sprints

Whiteboard

Gerrit topic: https://review.openstack.org/#q,topic:bp/unify-timestamp-of-polled-data,n,z

Addressed by: https://review.openstack.org/283969
    Unify the timestamp of samples generated by polling agents

Gerrit topic: https://review.openstack.org/#q,topic:bug/1491509,n,z

Addressed by: https://review.openstack.org/232976
    Set the time point polling starts as timestamp of samples

Addressed by: https://review.openstack.org/310983
    Drop timestamping in pollsters

(?)

Work Items

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