refine(qrm): calculate pool size with much accuracy

[csfldf]

refine(qrm): calculate pool size with much accuracy

[codecov]

Codecov Report

Attention: Patch coverage is 59.57447% with 38 lines in your changes are missing coverage. Please review.

Project coverage is 55.01%. Comparing base (d0d9365) to head (8f597e3).
Report is 1 commits behind head on main.

Files	Patch %	Lines
...ns/cpu/dynamicpolicy/policy_allocation_handlers.go	40.47%	25 Missing ⚠️
pkg/agent/qrm-plugins/cpu/dynamicpolicy/util.go	50.00%	1 Missing and 2 partials ⚠️
pkg/agent/qrm-plugins/cpu/nativepolicy/policy.go	40.00%	3 Missing ⚠️
pkg/agent/qrm-plugins/cpu/dynamicpolicy/policy.go	77.77%	2 Missing ⚠️
...ins/cpu/nativepolicy/policy_allocation_handlers.go	50.00%	2 Missing ⚠️
pkg/agent/qrm-plugins/util/util.go	71.42%	2 Missing ⚠️
.../agent/qrm-plugins/cpu/dynamicpolicy/state/util.go	90.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #445      +/-   ##
==========================================
+ Coverage   54.91%   55.01%   +0.10%     
==========================================
  Files         503      503              
  Lines       54842    54878      +36     
==========================================
+ Hits        30116    30192      +76     
+ Misses      21485    21440      -45     
- Partials     3241     3246       +5     

Flag	Coverage Δ
unittest	55.01% <59.57%> (+0.10%)	⬆️

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