Tweak read performance instrumentation
Tweak read performance instrumentation

Ensure we're really timing everything we're doing for handling a read request.
It seems surprising how fast this is but how slow things can be from the JS
side.

mbookman/api-client-python,mbookman/api-client-python,mbookman/api-client-python,hanv89/api-client-python,hanv89/api-client-python,hanv89/api-client-python