[Feature] Support specifying an instance to create a profile

[heihaozi]

Search before asking

• I had searched in the issues and found no similar feature requirement.

Description

When creating a profile, not only can all instances of the service be profiled, but an instance can also be specified.

Use case

Related issues

No response

Are you willing to submit a PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct

[wu-sheng]

We don't expect that, from design perspective. Any SRE or Ops team is impossible to identify issue from one specific instance/pod.

[wu-sheng]

Move to discussion.