EazyBI App effectively solves the challenge of structuring and calibrating loads of process data for further reporting on it. This would typically require a hefty investment into an MDM systems. Data from 3rd tools can also be brought into EazyBI and be overlayed with Jira-generated data.
Jira issue is endlessly configurable, and serves a perfect "Lego block" for building out solution to match your business' unique requirements. If majority of processes run on Atlassian and the system is setup as self-governing, it should become not another system of records but the single source of truth.
Enterprise and Business Architectures can be implemented with JSM Atlassian Assets CMDB. Similar to Issues, Objects serve as a perfect container for information artifacts and can be directly linked into Jira issues, JSM request types, published in Confluence, and reported on with EazyBI.