koordlet: cold memory fix usageWithHotPage and add usageWithPageCache

[BUPT-wxq]

Ⅰ. Describe what this PR does

Ⅱ. Does this pull request fix one issue?

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

V. Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests
• All checks passed in make test

[codecov]

Codecov Report

Attention: 19 lines in your changes are missing coverage. Please review.

Comparison is base (d04f86b) 65.93% compared to head (71bfab7) 65.92%.
Report is 17 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1699      +/-   ##
==========================================
- Coverage   65.93%   65.92%   -0.01%     
==========================================
  Files         384      385       +1     
  Lines       41474    41869     +395     
==========================================
+ Hits        27344    27601     +257     
- Misses      12106    12222     +116     
- Partials     2024     2046      +22     

Flag	Coverage Δ
unittests	65.92% <70.31%> (-0.01%)	⬇️

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

Files	Coverage Δ
pkg/koordlet/metriccache/metric_types.go	58.13% <ø> (ø)
...llectors/coldmemoryresource/cold_page_collector.go	86.95% <100.00%> (+1.24%)	⬆️
.../collectors/coldmemoryresource/cold_page_kidled.go	60.35% <100.00%> (+0.23%)	⬆️
pkg/koordlet/metricsadvisor/framework/config.go	100.00% <100.00%> (ø)
pkg/koordlet/util/cold_page.go	100.00% <100.00%> (ø)
pkg/koordlet/util/meminfo.go	86.00% <100.00%> (+0.43%)	⬆️
pkg/koordlet/util/system/cgroup.go	76.19% <0.00%> (-1.59%)	⬇️
pkg/koordlet/util/system/kidled_util.go	80.86% <75.00%> (-2.77%)	⬇️
.../koordlet/statesinformer/impl/states_nodemetric.go	54.64% <55.55%> (-1.12%)	⬇️

... and 35 files with indirect coverage changes

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[saintube]

/lgtm
PTAL @zwzhang0107 @eahydra @hormes @ZiMengSheng @jasonliu747

[koordinator-bot]

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