Capture the innodb_thread_concurrency metrics in a chart on PMM - SHOW ENGINE INNODB STATUS has this data under "ROW OPERATIONS" section
Attached is screenshot from New Relic MySQL plugin which has this metrics, this metrics is quite useful to understand if there were a lot of threads waiting inside InnoDB when innodb_thread_concurrency is set to a non zero value.
- Create Graph item on InnoDB Metrics dashboard
- Expose -collect.engine_innodb_status as a pmm-admin add mysql:metrics option such as --enable-engine-innodb-status
- Update documentation to highlight usage of --enable-engine-innodb-status