metrics: Add Thread CPU panel for building vector index

[JaySon-Huang]

What problem does this PR solve?

Issue Number: ref #9032

Problem Summary:

What is changed and how it works?

• Set the thread name when the thread is executing task of building vector index
• Add thread CPU panel in the TiFlash-Summary Grafana

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

Documentation

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

Release note

Add Grafana panel about CPU usage on building vector index

[JaySon-Huang]

/test pull-integration-test

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JinheLin, Lloyd-Pottiger

The full list of commands accepted by this bot can be found here.

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Needs approval from an approver in each of these files:

• OWNERS [JinheLin,Lloyd-Pottiger]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-10-14 10:27:23.131791591 +0000 UTC m=+266840.280701415: ☑️ agreed by JinheLin.
• 2024-10-14 12:18:33.567619351 +0000 UTC m=+273510.716529183: ☑️ agreed by Lloyd-Pottiger.

[Lloyd-Pottiger]

/retest