- cleanup task management
- ARM compatibility check
- improve argument display (with DWARF?)
- source file and line number display
- more trigger action
- trigger filtering (ignore, count, at return, ...)
- documentation
- perf-like callgraph view
- report w/ multi-thread
- config file support
- filter by argument value
- SDT argument support
- symbol file compression
- reading external data (global variable, system stat, perf counter, ...)
- show kernel function argument and return value
- different clock support (TSC on x86, ...)
