(feat)pap: power aware plugin = policy advisor + power eviction plugin + power capping plugin

[h-w-chen]

What type of PR is this?

feature: power aware plugin in sys-advisor

What this PR does / why we need it:

• This PR implements the policy making part(a.k.a. controller) of power aware feature.
• It also implements the eviction plugin to facilitate the eviction manager (typical part of agent), and the power capping plugin to facilitate the power capper (residing in qrm; its implementation is not in this PR).

Which issue(s) this PR fixes:

NA

Special notes for your reviewer:

the power usage data collection part is not included yet. A locl impi reader shall be provided as temporary fillup; the ideal solution if getting power usage data from external data source like malachite.

[codecov]

Codecov Report

Attention: Patch coverage is 52.21239% with 378 lines in your changes missing coverage. Please review.

Project coverage is 55.89%. Comparing base (99996fc) to head (9677555).
Report is 61 commits behind head on main.

Files with missing lines	Patch %	Lines
...advisor/plugin/poweraware/capper/server/service.go	24.60%	92 Missing and 3 partials ⚠️
...lugin/poweraware/evictor/server/evictor_service.go	37.75%	58 Missing and 3 partials ⚠️
...nt/sysadvisor/plugin/poweraware/advisor/advisor.go	41.93%	45 Missing and 9 partials ⚠️
.../agent/sysadvisor/plugin/poweraware/power_aware.go	30.76%	35 Missing and 1 partial ⚠️
...sysadvisor/plugin/poweraware/capper/instruction.go	61.64%	23 Missing and 5 partials ⚠️
...plugin/poweraware/capper/server/fanout_notifier.go	71.42%	13 Missing and 5 partials ⚠️
...kg/agent/sysadvisor/plugin/poweraware/spec/spec.go	78.48%	16 Missing and 1 partial ⚠️
...or/plugin/poweraware/evictor/percentage_evictor.go	58.97%	12 Missing and 4 partials ⚠️
...sadvisor/plugin/poweraware/capper/server/server.go	0.00%	13 Missing ⚠️
...gin/poweraware/advisor/action/strategy/strategy.go	80.95%	5 Missing and 3 partials ⚠️
... and 7 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #696      +/-   ##
==========================================
- Coverage   57.18%   55.89%   -1.30%     
==========================================
  Files         558      593      +35     
  Lines       54146    67813   +13667     
==========================================
+ Hits        30966    37907    +6941     
- Misses      19305    25868    +6563     
- Partials     3875     4038     +163     

Flag	Coverage Δ
unittest	55.89% <52.21%> (-1.30%)	⬇️

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[gary-lgy]

I've jotted down some points for discussion. Please see individual comments for details.