koordlet: fix psicollector may cause other functions to block when started

[Re-Grh]

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

Patch and project coverage have no change.

Comparison is base (acfeb34) 66.56% compared to head (b29c84b) 66.56%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1173   +/-   ##
=======================================
  Coverage   66.56%   66.56%           
=======================================
  Files         277      277           
  Lines       30057    30060    +3     
=======================================
+ Hits        20007    20010    +3     
- Misses       8618     8620    +2     
+ Partials     1432     1430    -2     

Flag	Coverage Δ
unittests	66.56% <0.00%> (+<0.01%)	⬆️

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

Impacted Files	Coverage Δ
...lectors/performance/performance_collector_linux.go	59.82% <0.00%> (-1.68%)	⬇️

... and 2 files with indirect coverage changes

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[saintube]

/lgtm

[zwzhang0107]

/approve

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: zwzhang0107

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