linuxdebug/Documentation/ABI/testing/sysfs-kernel-btf

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What: /sys/kernel/btf
Date: Aug 2019
KernelVersion: 5.5
Contact: bpf@vger.kernel.org
Description:
Contains BTF type information and related data for kernel and
kernel modules.
What: /sys/kernel/btf/vmlinux
Date: Aug 2019
KernelVersion: 5.5
Contact: bpf@vger.kernel.org
Description:
Read-only binary attribute exposing kernel's own BTF type
information with description of all internal kernel types. See
Documentation/bpf/btf.rst for detailed description of format
itself.
What: /sys/kernel/btf/<module-name>
Date: Nov 2020
KernelVersion: 5.11
Contact: bpf@vger.kernel.org
Description:
Read-only binary attribute exposing kernel module's BTF type
information as an add-on to the kernel's BTF (/sys/kernel/btf/vmlinux).