Gives detailed information about the execution of any request
The Symfony Web Profiler Bundle is a powerful debugging and profiling tool that provides detailed insights into the internals of a Symfony application. It adds a web-based debug toolbar and an in-depth profiler that tracks HTTP requests, database queries, logs, events, and more. It is essential for performance tuning, debugging, and understanding application behavior during development.
Firebird 2.5 is required at least
Monitor and trace Firebird activity on Windows and Linux.
Let DBA to get the traces and send them to you when you can't access to production server.
Watch query duration and plan.