mcs, tso: add more metrics on the TSO critical path

[JmPotato]

What problem does this PR solve?

Issue Number: ref #7011.

What is changed and how does it work?

Add more metrics on the TSO critical path to monitor some key duration costs.

Check List

Tests

• Unit test
• Integration test

Release note

None.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• lhy1024
• rleungx

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[codecov]

Codecov Report

Merging #7040 (064070e) into master (877f47b) will decrease coverage by 0.07%.
Report is 1 commits behind head on master.
The diff coverage is 95.34%.

@@            Coverage Diff             @@
##           master    #7040      +/-   ##
==========================================
- Coverage   74.46%   74.40%   -0.07%     
==========================================
  Files         435      435              
  Lines       46284    46310      +26     
==========================================
- Hits        34465    34455      -10     
- Misses       8808     8832      +24     
- Partials     3011     3023      +12     

Flag	Coverage Δ
unittests	74.40% <95.34%> (-0.07%)	⬇️

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[JmPotato]

/merge

[ti-chi-bot]

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[ti-chi-bot]

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

Commit hash: 064070e