Grafana dashboard no data in PD Client -> Start TSO Wait Duration

[tiancaiamao]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

2. What did you expect to see? (Required)

3. What did you see instead (Required)

The data is missing...

4. What is your TiDB version? (Required)

master branch

master planner: Add trace for proj elimination rule (#30275)

[github-actions]

Please check whether the issue should be labeled with 'affects-x.y' or 'fixes-x.y.z', and then remove 'needs-more-info' label.

[tiancaiamao]

It's said 5.1.1 is unaffected while 5.1.2 is buggy...
5.0 and before this bug doesn't exist