add new meter for l3 cache usage statistics

Registered by Ren Qiaowei on 2016-04-29

Some Intel processor families (e.g. the Intel Xeon processor E5 v3 family) introduced CMT (Cache Monitoring Technology) to measure the usage of l3 cache by applications running on the platform. This spec introduces one new meter to get l3 cache usage statistics based on Intel CMT feature.

Blueprint information

Status:
Complete
Approver:
gordon chung
Priority:
Undefined
Drafter:
Ren Qiaowei
Direction:
Approved
Assignee:
Ren Qiaowei
Definition:
Approved
Series goal:
None
Implementation:
Implemented
Milestone target:
None
Started by
gordon chung on 2017-12-07
Completed by
gordon chung on 2017-12-07

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Please mark this as depending on the nova supports-perf-event blueprint. -- mriedem

Gerrit topic: https://review.openstack.org/#q,topic:bp/l3-cache-meter,n,z

Addressed by: https://review.openstack.org/325638
    add l3 cache usage meter

(?)

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