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
next prev 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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