cdc: collect slow table latency metrics

[overvenus]

What problem does this PR solve?

Issue Number: ref #4757

What is changed and how it works?

Collect slow table latency metrics.

Check List

Tests

• Unit test
• Integration test

Questions

Will it cause performance regression or break compatibility?

No.

Do you need to update user documentation, design documentation or monitoring documentation?

No.

Release note

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• 3AceShowHand
• sdojjy

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[codecov-commenter]

Codecov Report

Merging #7323 (5b94b5b) into master (8f81dbb) will decrease coverage by 0.1180%.
The diff coverage is 54.7206%.

Additional details and impacted files

Flag	Coverage Δ
cdc	67.0522% <55.7047%> (-0.2619%)	⬇️
dm	51.9313% <36.6666%> (-0.0228%)	⬇️
engine	61.0887% <57.1428%> (+0.0158%)	⬆️

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

@@               Coverage Diff                @@
##             master      #7323        +/-   ##
================================================
- Coverage   59.7265%   59.6085%   -0.1181%     
================================================
  Files           790        789         -1     
  Lines         91204      91190        -14     
================================================
- Hits          54473      54357       -116     
- Misses        31987      32052        +65     
- Partials       4744       4781        +37     

[sdojjy]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: f643876

[ti-chi-bot]

@overvenus: Your PR was out of date, I have automatically updated it for you.

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[overvenus]

/run-verify

[overvenus]

/verify

[overvenus]

/run-verify