change cpuacct.stat to cpuacct.usage

[j4ckstraw]

Ⅰ. Describe what this PR does

change cpuacct.stat to cpuacct.usage

Ⅱ. Does this pull request fix one issue?

fixes #221

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

[jasonliu747]

@j4ckstraw thanks for your contribution. Please run make lint and make test before committing code.

[hormes]

@j4ckstraw seems that GetPodCgroupCPUAcctProcStatPath is not completely replaced, please grep the entire project

[j4ckstraw]

@j4ckstraw seems that GetPodCgroupCPUAcctProcStatPath is not completely replaced, please grep the entire project

there are no GetPodCgroupCPUAcctProcStatPath found.

$ grep -i GetPodCgroupCPUAcctProcStatPath -r .
$ git grep GetPodCgroupCPUAcctProcStatPath

[jasonliu747]

@j4ckstraw Please fetch the latest code and rebase. This would solve the problem.

[codecov]

Codecov Report

Merging #248 (3c2f031) into main (d139458) will increase coverage by 0.65%.
The diff coverage is 71.87%.

@@            Coverage Diff             @@
##             main     #248      +/-   ##
==========================================
+ Coverage   58.37%   59.02%   +0.65%     
==========================================
  Files         103      103              
  Lines        9575     9567       -8     
==========================================
+ Hits         5589     5647      +58     
+ Misses       3521     3457      -64     
+ Partials      465      463       -2     

Flag	Coverage Δ
unittests	59.02% <71.87%> (+0.65%)	⬆️

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

Impacted Files	Coverage Δ
pkg/koordlet/metricsadvisor/collector.go	9.69% <0.00%> (ø)
pkg/util/system/cgroup_resource.go	0.00% <ø> (ø)
pkg/util/stat.go	83.33% <93.33%> (+1.19%)	⬆️
pkg/koordlet/metricsadvisor/be_collector.go	68.81% <100.00%> (ø)
pkg/util/container.go	70.62% <100.00%> (+40.00%)	⬆️
pkg/util/pod.go	25.50% <100.00%> (ø)

---

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[jasonliu747]

/cc @stormgbs @saintube @zwzhang0107

[saintube]

/lgtm

[jasonliu747]

/lgtm

[hormes]

/approve

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hormes, jasonliu747

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