[DNM] : add log to diagnose hb collect

[HuSharp]

What problem does this PR solve?

Issue Number: Close #xxx

What is changed and how does it work?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Code changes

• Has the configuration change
• Has HTTP API interfaces changed (Don't forget to add the declarative for the new API)
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• PR to update pingcap/docs/pingcap/docs-cn:
• PR to update pingcap/tiup:
• Need to cherry-pick to the release branch

Release note

None.

[ti-chi-bot]

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[ti-chi-bot]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[ti-chi-bot]

This cherry pick PR is for a release branch and has not yet been approved by release team.
Adding the do-not-merge/cherry-pick-not-approved label.

To merge this cherry pick, it must first be approved by the collaborators.

AFTER it has been approved by collaborators, please ping the release team in a comment to request a cherry pick review.

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[codecov]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (cd4eb78) 75.60% compared to head (6199ac3) 75.63%.
Report is 22 commits behind head on release-6.5.

❗ Current head 6199ac3 differs from pull request most recent head b9713fd. Consider uploading reports for the commit b9713fd to get more accurate results

Files	Patch %	Lines
server/cluster/prepare_checker.go	75.00%	2 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##           release-6.5    #6930      +/-   ##
===============================================
+ Coverage        75.60%   75.63%   +0.02%     
===============================================
  Files              329      329              
  Lines            33602    33623      +21     
===============================================
+ Hits             25406    25430      +24     
- Misses            6020     6022       +2     
+ Partials          2176     2171       -5     

Flag	Coverage Δ
unittests	75.63% <90.90%> (+0.02%)	⬆️

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[ti-chi-bot]

PR needs rebase.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.