Retracing

Retracing is the process of determining unknown function names and associated source file name and line number to each stack frame. The process differs for every problem type (coredump requires the appropriate binaries and debuginfos, kerneloops requires the unstripped kernel modules, python does not require anything as it already outputs all the information within the stacktrace, ...), therefore it is managed by the problem plugin.

FAF's generic retracing algorithm consists of 3 steps:

1. Get the symbols that need retracing - get_ssources_for_retrace method
2. Find the associated packages (debuginfos, binaries, sources) - find_packages_for_ssource method
3. Execute the retrace when everything is ready - retrace method

The retrace process itself is controlled by a single action retrace.