[Feature Request]: mo_ctl function that print out memory usage

[fengttt]

Is there an existing issue for the same feature request?

• [X] I have checked the existing issues.

Is your feature request related to a problem?

No response

Describe the feature you'd like

A molt function that prints out memory usage. Print out all info related, including all malloc stats, and go runtime stats -- most important ones like gc target/goal, gc in use, alive etc.

The target is that all the printed out, adds up, match OS memory usage.

Describe implementation you've considered

No response

Documentation, Adoption, Use Case, Migration Strategy

No response

Additional information

No response