- fix timezone handling, just log it (see fibonacci demo)
- configure logging levels per module
- provide an option to filter tracing decorator cruft from tracebacks
- ERROR message shall not be truncated
- consider what to do when logged timestamps are equal
- ttfilter tool to select time range
- improve instant event visualization (move away from legacy catapult to new Perfetto UI?)
- file merge mode
- consider rewriting some parsers in C++ for speed
- ttparse: bugfix CALL/RETURN mixup