TODO

- cleanup task management
- ARM compatibility check
- library tracing
- improve argument display (with DWARF?)
- source file and line number display
- more trigger action
- trigger filtering (ignore, count, at return, ...)
- dynamic instrumentation
- gcc5 -mrecord-mcount support
- gcc5 -mnop-mcount support
- clang xray support
- documentation
- perf-like callgraph view
- timechart support?
- report w/ multi-thread
- config file support
- dlopen() support
- LD_BIND_NOW support?
- filter by argument value
- SDT support
- symbol file compression
- reading external data (global variable, system stat, perf counter, ...)
- show kernel function argument and return value
- show scheduler info (using perf?)
- different clock support (TSC on x86, ...)