tldr/pages/linux/bpftool.md

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# bpftool
> Inspect and manipulate eBPF programs and maps in a simple way.
> Some subcommands such as `bpftool prog` have their own usage documentation.
> More information: <https://manned.org/bpftool>.
- List information about loaded `eBPF` programs:
`bpftool prog list`
- List `eBPF` program attachments in the kernel networking subsystem:
`bpftool net list`
- List all active links:
`bpftool link list`
- List all `raw_tracepoint`, `tracepoint`, `kprobe` attachments in the system:
`bpftool perf list`
- List `BPF Type Format (BTF)` data:
`bpftool btf list`
- List information about loaded maps:
`bpftool map list`
- Probe a network device "eth0" for supported `eBPF` features:
`bpftool feature probe dev {{eth0}}`
- Run commands in batch mode from a file:
`bpftool batch file {{myfile}}`