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From: Stanislav Fomichev <sdf@google.com>
To: netdev@vger.kernel.org, bpf@vger.kernel.org
Cc: davem@davemloft.net, ast@kernel.org, daniel@iogearbox.net,
	Stanislav Fomichev <sdf@google.com>,
	YiFei Zhu <zhuyifei1999@gmail.com>
Subject: [PATCH bpf-next v3 7/8] bpftool: mention --metadata in the documentation
Date: Fri, 28 Aug 2020 12:36:02 -0700	[thread overview]
Message-ID: <20200828193603.335512-8-sdf@google.com> (raw)
In-Reply-To: <20200828193603.335512-1-sdf@google.com>

Mention --metadata in the rst documentation and in the prog.c
help.

Cc: YiFei Zhu <zhuyifei1999@gmail.com>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
---
 tools/bpf/bpftool/Documentation/bpftool-prog.rst | 5 ++++-
 tools/bpf/bpftool/prog.c                         | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/tools/bpf/bpftool/Documentation/bpftool-prog.rst b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
index 82e356b664e8..84dc47e18016 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-prog.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
@@ -12,7 +12,7 @@ SYNOPSIS
 
 	**bpftool** [*OPTIONS*] **prog** *COMMAND*
 
-	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-f** | **--bpffs** } }
+	*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-f** | **--bpffs** } | {**--metadata**} }
 
 	*COMMANDS* :=
 	{ **show** | **list** | **dump xlated** | **dump jited** | **pin** | **load**
@@ -80,6 +80,9 @@ DESCRIPTION
 		  programs. On such kernels bpftool will automatically emit this
 		  information as well.
 
+		  You can specify **--metadata** option to pretty-print
+		  read-only data from the associated *.metadata* section.
+
 	**bpftool prog dump xlated** *PROG* [{ **file** *FILE* | **opcodes** | **visual** | **linum** }]
 		  Dump eBPF instructions of the programs from the kernel. By
 		  default, eBPF will be disassembled and printed to standard
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index 5d626c134e7d..4c129d6d2a0c 100644
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -2005,7 +2005,7 @@ static int do_help(int argc, char **argv)
 	}
 
 	fprintf(stderr,
-		"Usage: %1$s %2$s { show | list } [PROG]\n"
+		"Usage: %1$s %2$s { show | list } [PROG] [--metadata]\n"
 		"       %1$s %2$s dump xlated PROG [{ file FILE | opcodes | visual | linum }]\n"
 		"       %1$s %2$s dump jited  PROG [{ file FILE | opcodes | linum }]\n"
 		"       %1$s %2$s pin   PROG FILE\n"
-- 
2.28.0.402.g5ffc5be6b7-goog


  parent reply	other threads:[~2020-08-28 19:36 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-28 19:35 [PATCH bpf-next v3 0/8] Allow storage of flexible metadata information for eBPF programs Stanislav Fomichev
2020-08-28 19:35 ` [PATCH bpf-next v3 1/8] bpf: Mutex protect used_maps array and count Stanislav Fomichev
2020-08-28 19:35 ` [PATCH bpf-next v3 2/8] bpf: Add BPF_PROG_BIND_MAP syscall Stanislav Fomichev
2020-09-03  2:15   ` Andrii Nakryiko
2020-08-28 19:35 ` [PATCH bpf-next v3 3/8] libbpf: Add BPF_PROG_BIND_MAP syscall and use it on .metadata section Stanislav Fomichev
2020-09-03  2:31   ` Andrii Nakryiko
2020-09-04  1:29     ` Alexei Starovoitov
2020-09-04 23:18       ` Andrii Nakryiko
2020-09-07  8:49         ` Toke Høiland-Jørgensen
2020-09-08 15:19           ` Stanislav Fomichev
2020-09-08 18:20             ` Andrii Nakryiko
2020-09-08 18:10           ` Andrii Nakryiko
2020-09-09 10:58             ` Toke Høiland-Jørgensen
2020-09-09 16:34               ` Andrii Nakryiko
2020-09-08 17:44         ` Andrey Ignatov
2020-09-08 18:24           ` Andrii Nakryiko
2020-08-28 19:35 ` [PATCH bpf-next v3 4/8] libbpf: implement bpf_prog_find_metadata Stanislav Fomichev
2020-08-28 21:10   ` Toke Høiland-Jørgensen
2020-08-31 15:40     ` sdf
2020-09-01 22:58       ` Alexei Starovoitov
2020-09-02  9:43         ` Toke Høiland-Jørgensen
2020-09-02 21:08           ` Alexei Starovoitov
2020-09-02 21:33             ` Toke Høiland-Jørgensen
2020-08-28 19:36 ` [PATCH bpf-next v3 5/8] bpftool: support dumping metadata Stanislav Fomichev
2020-09-03  5:00   ` Andrii Nakryiko
2020-09-08 20:53     ` Stanislav Fomichev
2020-09-08 22:35       ` Andrii Nakryiko
2020-09-08 22:49         ` Stanislav Fomichev
2020-08-28 19:36 ` [PATCH bpf-next v3 6/8] bpftool: support metadata internal map in gen skeleton Stanislav Fomichev
2020-08-28 19:36 ` Stanislav Fomichev [this message]
2020-08-28 19:36 ` [PATCH bpf-next v3 8/8] selftests/bpf: Test load and dump metadata with btftool and skel Stanislav Fomichev

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