pick mem-profile on patch-on-release-7.5-20250520-v7.5.6

[CalvinNeo]

What is changed and how it works?

Issue Number: Close #xxx

What's Changed:

Related changes

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

Check List

Tests

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

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Release note

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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Details

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• HACKED_OWNERS

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[JaySon-Huang]

/hold
for creating hotfix