xref: /linux/tools/bpf/bpftool/Documentation/bpftool.rst (revision 001821b0e79716c4e17c71d8e053a23599a7a508) 
1.. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2
3================
4BPFTOOL
5================
6-------------------------------------------------------------------------------
7tool for inspection and simple manipulation of eBPF programs and maps
8-------------------------------------------------------------------------------
9
10:Manual section: 8
11
12.. include:: substitutions.rst
13
14SYNOPSIS
15========
16
17**bpftool** [*OPTIONS*] *OBJECT* { *COMMAND* | **help** }
18
19**bpftool** **batch file** *FILE*
20
21**bpftool** **version**
22
23*OBJECT* := { **map** | **prog** | **link** | **cgroup** | **perf** | **net** | **feature** |
24**btf** | **gen** | **struct_ops** | **iter** }
25
26*OPTIONS* := { { **-V** | **--version** } | |COMMON_OPTIONS| }
27
28*MAP-COMMANDS* :=
29{ **show** | **list** | **create** | **dump** | **update** | **lookup** | **getnext** |
30**delete** | **pin** | **event_pipe** | **help** }
31
32*PROG-COMMANDS* := { **show** | **list** | **dump jited** | **dump xlated** | **pin** |
33**load** | **attach** | **detach** | **help** }
34
35*LINK-COMMANDS* := { **show** | **list** | **pin** | **detach** | **help** }
36
37*CGROUP-COMMANDS* := { **show** | **list** | **attach** | **detach** | **help** }
38
39*PERF-COMMANDS* := { **show** | **list** | **help** }
40
41*NET-COMMANDS* := { **show** | **list** | **help** }
42
43*FEATURE-COMMANDS* := { **probe** | **help** }
44
45*BTF-COMMANDS* := { **show** | **list** | **dump** | **help** }
46
47*GEN-COMMANDS* := { **object** | **skeleton** | **min_core_btf** | **help** }
48
49*STRUCT-OPS-COMMANDS* := { **show** | **list** | **dump** | **register** | **unregister** | **help** }
50
51*ITER-COMMANDS* := { **pin** | **help** }
52
53DESCRIPTION
54===========
55*bpftool* allows for inspection and simple modification of BPF objects on the
56system.
57
58Note that format of the output of all tools is not guaranteed to be stable and
59should not be depended upon.
60
61OPTIONS
62=======
63.. include:: common_options.rst
64
65-m, --mapcompat
66    Allow loading maps with unknown map definitions.
67
68-n, --nomount
69    Do not automatically attempt to mount any virtual file system (such as
70    tracefs or BPF virtual file system) when necessary.
71