resource_control: add duration buffer for calibrate time window (#48172)

[ti-chi-bot]

This is an automated cherry-pick of #48172

What problem does this PR solve?

Issue Number: close #48162

Problem Summary:

What is changed and how it works?

Check List

Tests

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

  • I checked and no code files have been changed.

Side effects

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

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: glorv, nolouch

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-11-07 08:08:47.956485545 +0000 UTC m=+3545325.543595675: ☑️ agreed by nolouch.
• 2023-11-08 03:08:17.260280449 +0000 UTC m=+3613694.847390579: ☑️ agreed by glorv.

[CabinfeverB]

/test unit-test

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@CabinfeverB: The specified target(s) for /test were not found.
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@CabinfeverB: No presubmit jobs available for pingcap/tidb@release-7.5

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[CabinfeverB]

/test unit-test

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@CabinfeverB: No presubmit jobs available for pingcap/tidb@release-7.5

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/test unit-test

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[CabinfeverB]

/test unit-test

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@CabinfeverB: No presubmit jobs available for pingcap/tidb@release-7.5

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/test unit-test

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