session: add benchmark for PointGet, BatchPointGet, prepared PointGet

[tiancaiamao]

What problem does this PR solve?

Issue Number: #25754

Problem Summary:

What is changed and how it works?

What's Changed:

Add bench test cases for point get, batch point get, prepared point get.

How it Works:

The test runs daily, and the result is collected by our QA team.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)

After it's merged, the result will be available soon on our canonical https://perf.pingcap.com/d/MeR8a6jMz/nightly-branch-performance-monitor?orgId=1

Preview here http://www.zenlife.tk:18081/

Side effects

• Performance regression
  • Consumes more CPU
  • Consumes more MEM
• Breaking backward compatibility

Release note

• No release note

[crazycs520]

LGTM

[ti-chi-bot]

[REVIEW NOTIFICATION]

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• crazycs520
• xhebox

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[tiancaiamao]

/merge

[ti-chi-bot]

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

Commit hash: a5cf39b

[ti-chi-bot]

@tiancaiamao: Your PR was out of date, I have automatically updated it for you.

At the same time I will also trigger all tests for you:

/run-all-tests

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[tiancaiamao]

/merge