Checklist

• 1. If the issue you raised is not a feature but a question, please raise a discussion at https://github.com/sgl-project/sglang/discussions/new/choose Otherwise, it will be closed.
• 2. Please use English, otherwise it will be closed.

Motivation

we should make prometheus metrics and grafana dashboard ready to use out of the box to avoid requiring any user manual set up. this will streamline the accessibility of observability and reduce efforts required to support users.

Related resources

task check list

• in the metrics doc, remind user to run sglang server with --enable-metrics

No response