add stability status of region

[sun-yuliang]

What type of PR is this?

Enhancements

What this PR does / why we need it:

add stability status of region

Which issue(s) this PR fixes:

Special notes for your reviewer:

[codecov]

Codecov Report

Patch coverage: 83.51% and project coverage change: +0.20% 🎉

Comparison is base (472c39e) 51.32% compared to head (dae78bc) 51.53%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #180      +/-   ##
==========================================
+ Coverage   51.32%   51.53%   +0.20%     
==========================================
  Files         421      422       +1     
  Lines       40672    40741      +69     
==========================================
+ Hits        20876    20994     +118     
+ Misses      17515    17454      -61     
- Partials     2281     2293      +12     

Flag	Coverage Δ
unittest	51.53% <83.51%> (+0.20%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
...urce/cpu/assembler/provisionassembler/assembler.go	100.00% <ø> (ø)
...esource/cpu/assembler/provisionassembler/helper.go	94.73% <50.00%> (-5.27%)	⬇️
...u/assembler/provisionassembler/assembler_common.go	96.66% <75.00%> (ø)
...sor/plugin/qosaware/resource/cpu/advisor_helper.go	77.83% <80.00%> (+0.30%)	⬆️
...sysadvisor/plugin/qosaware/resource/cpu/advisor.go	71.31% <85.71%> (+0.34%)	⬆️
...urce/cpu/region/region_dedicated_numa_exclusive.go	83.95% <85.71%> (+0.40%)	⬆️
...plugin/qosaware/resource/cpu/region/region_base.go	74.55% <87.50%> (+0.99%)	⬆️
...isor/plugin/qosaware/resource/cpu/region/region.go	100.00% <100.00%> (ø)
...lugin/qosaware/resource/cpu/region/region_share.go	73.52% <100.00%> (+0.80%)	⬆️

... and 17 files with indirect coverage changes

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