- Support for kernel up to 5.8
- trace.py: support kprobe/uprobe func offset
- support raw perf config for perf_event_open in python
- add BPFQueueStackTable support
- added Ringbuf support support
- libbpf-tools: readahead, biosnoop, bitesize, tcpconnlat, biopattern, biostacks
- bug fixes and some additional arguments for tools