Gather performance metrics in Pulp

We need to figure out from the list below which is more suitable for us to find the slowest parts in our system
- https://pulpproject.org/pulpcore/docs/admin/reference/settings/#task_diagnostics
- https://pulpproject.org/pulpcore/docs/admin/guides/troubleshooting/#troubleshoot
- https://pulpproject.org/pulpcore/docs/admin/guides/integrate-sentry-glitchtip/#integrate-with-sentry-or-glitchtip