perf(kcmas): performance optimization

[zzzzhhb]

What type of PR is this?

Enhancements

What this PR does / why we need it:

1. fix kcmas data latency monitor
2. some performance optimization

Which issue(s) this PR fixes:

Special notes for your reviewer:

[codecov]

Codecov Report

Attention: 17 lines in your changes are missing coverage. Please review.

Comparison is base (0652975) 53.48% compared to head (5bb3510) 53.53%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #329      +/-   ##
==========================================
+ Coverage   53.48%   53.53%   +0.05%     
==========================================
  Files         431      431              
  Lines       47265    47320      +55     
==========================================
+ Hits        25278    25334      +56     
- Misses      19125    19127       +2     
+ Partials     2862     2859       -3     

Flag	Coverage Δ
unittest	53.53% <79.26%> (+0.05%)	⬆️

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

Files	Coverage Δ
...t/evictionmanager/plugin/memory/system_pressure.go	73.36% <100.00%> (+0.40%)	⬆️
pkg/custom-metric/provider/provider.go	83.55% <100.00%> (+1.00%)	⬆️
pkg/custom-metric/store/data/cache.go	94.94% <100.00%> (+0.23%)	⬆️
pkg/custom-metric/store/data/internal.go	86.60% <100.00%> (ø)
pkg/custom-metric/store/data/types/series.go	88.00% <100.00%> (+3.00%)	⬆️
pkg/metrics/tag_wrapper_metrics.go	82.50% <100.00%> (+1.94%)	⬆️
pkg/util/general/deepcopy.go	50.00% <50.00%> (ø)
...amic/adminqos/eviction/memory_pressure_eviction.go	50.81% <37.50%> (-2.02%)	⬇️
pkg/custom-metric/store/data/types/aggragated.go	64.28% <0.00%> (-9.49%)	⬇️

... and 15 files with indirect coverage changes

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