Sanchda/add metrics

[sanchda]

I'll fill this stuff out later

What does this PR do?

A brief description of the change being made with this pull request.

Motivation

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Additional Notes

This is the section to put technical guidance/constraints, call out potential regressions, cite sources, and in general offer some exposition on the how of the PR. This section doesn't need to be incredibly detailed, but it makes life easier for reviewers!

How to test the change?

Describe here in detail how the change can be validated. This is a great section to call out specific tests you've added or improved, or to acknowledge code sections which are particularly difficult to test.