DAL+Etherlink: add metrics
What
Add metrics counting:
- the number of DAL slot import signals sent by the sequencer,
- the size of both DAL batcher queues.
Why
To help monitoring and troubleshooting the sequencer EVM node and rollup node when DAL+Etherlink is running.
How
Manually testing the MR
Checklist
-
Document the interface of any function added or modified (see the coding guidelines) -
Document any change to the user interface, including configuration parameters (see node configuration) -
Provide automatic testing (see the testing guide). -
For new features and bug fixes, add an item in the appropriate changelog ( docs/protocols/alpha.rstfor the protocol and the environment,CHANGES.rstat the root of the repository for everything else). -
Select suitable reviewers using the Reviewersfield below. -
Select as Assigneethe next person who should take action on that MR