.. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

================
BPFTOOL
================
-------------------------------------------------------------------------------
tool for inspection and simple manipulation of eBPF programs and maps
-------------------------------------------------------------------------------

:Manual section: 8

.. include:: substitutions.rst

SYNOPSIS
========

**bpftool** [*OPTIONS*] *OBJECT* { *COMMAND* | **help** }

**bpftool** **batch file** *FILE*

**bpftool** **version**

*OBJECT* := { **map** | **prog** | **link** | **cgroup** | **perf** | **net** | **feature** |
**btf** | **gen** | **struct_ops** | **iter** }

*OPTIONS* := { { **-V** | **--version** } | |COMMON_OPTIONS| }

*MAP-COMMANDS* :=
{ **show** | **list** | **create** | **dump** | **update** | **lookup** | **getnext** |
**delete** | **pin** | **event_pipe** | **help** }

*PROG-COMMANDS* := { **show** | **list** | **dump jited** | **dump xlated** | **pin** |
**load** | **attach** | **detach** | **help** }

*LINK-COMMANDS* := { **show** | **list** | **pin** | **detach** | **help** }

*CGROUP-COMMANDS* := { **show** | **list** | **attach** | **detach** | **help** }

*PERF-COMMANDS* := { **show** | **list** | **help** }

*NET-COMMANDS* := { **show** | **list** | **help** }

*FEATURE-COMMANDS* := { **probe** | **help** }

*BTF-COMMANDS* := { **show** | **list** | **dump** | **help** }

*GEN-COMMANDS* := { **object** | **skeleton** | **min_core_btf** | **help** }

*STRUCT-OPS-COMMANDS* := { **show** | **list** | **dump** | **register** | **unregister** | **help** }

*ITER-COMMANDS* := { **pin** | **help** }

DESCRIPTION
===========
*bpftool* allows for inspection and simple modification of BPF objects on the
system.

Note that format of the output of all tools is not guaranteed to be stable and
should not be depended upon.

OPTIONS
=======
.. include:: common_options.rst

-m, --mapcompat
    Allow loading maps with unknown map definitions.

-n, --nomount
    Do not automatically attempt to mount any virtual file system (such as
    tracefs or BPF virtual file system) when necessary.