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Commit 7d31a0a1 authored by Roman Gushchin's avatar Roman Gushchin Committed by Daniel Borkmann
Browse files

bpftool: document cgroup tree command 



Describe cgroup tree command in the corresponding bpftool man page.

Signed-off-by: default avatarRoman Gushchin <guro@fb.com>
Acked-by: default avatarJakub Kicinski <jakub.kicinski@netronome.com>
Cc: Quentin Monnet <quentin.monnet@netronome.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
parent 2058b383

tools/bpf/bpftool/Documentation/bpftool-cgroup.rst

+11 −1
Original line number Diff line number Diff line
@@ -15,12 +15,13 @@ SYNOPSIS 
	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-f** | **--bpffs** } }



	*COMMANDS* :=

	{ **show** | **list** | **attach** | **detach** | **help** }

	{ **show** | **list** | **tree** | **attach** | **detach** | **help** }



MAP COMMANDS

=============



|	**bpftool** **cgroup { show | list }** *CGROUP*

|	**bpftool** **cgroup tree** [*CGROUP_ROOT*]

|	**bpftool** **cgroup attach** *CGROUP* *ATTACH_TYPE* *PROG* [*ATTACH_FLAGS*]

|	**bpftool** **cgroup detach** *CGROUP* *ATTACH_TYPE* *PROG*

|	**bpftool** **cgroup help**
@@ -39,6 +40,15 @@ DESCRIPTION 
		  Output will start with program ID followed by attach type,

		  attach flags and program name.



	**bpftool cgroup tree** [*CGROUP_ROOT*]

		  Iterate over all cgroups in *CGROUP_ROOT* and list all

		  attached programs. If *CGROUP_ROOT* is not specified,

		  bpftool uses cgroup v2 mountpoint.



		  The output is similar to the output of cgroup show/list

		  commands: it starts with absolute cgroup path, followed by

		  program ID, attach type, attach flags and program name.



	**bpftool cgroup attach** *CGROUP* *ATTACH_TYPE* *PROG* [*ATTACH_FLAGS*]

		  Attach program *PROG* to the cgroup *CGROUP* with attach type

		  *ATTACH_TYPE* and optional *ATTACH_FLAGS*.