1What: /sys/kernel/btf 2Date: Aug 2019 3KernelVersion: 5.5 4Contact: bpf@vger.kernel.org 5Description: 6 Contains BTF type information and related data for kernel and 7 kernel modules. 8 9What: /sys/kernel/btf/vmlinux 10Date: Aug 2019 11KernelVersion: 5.5 12Contact: bpf@vger.kernel.org 13Description: 14 Read-only binary attribute exposing kernel's own BTF type 15 information with description of all internal kernel types. See 16 Documentation/bpf/btf.rst for detailed description of format 17 itself. 18 19What: /sys/kernel/btf/<module-name> 20Date: Nov 2020 21KernelVersion: 5.11 22Contact: bpf@vger.kernel.org 23Description: 24 Read-only binary attribute exposing kernel module's BTF type 25 information as an add-on to the kernel's BTF (/sys/kernel/btf/vmlinux). 26