tldr/pages/linux/bpftool.md

bpftool

Tool for inspection and simple manipulation of eBPF programs and maps. 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}}