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authorQuentin Monnet <quentin.monnet@netronome.com>2018-12-14 13:55:58 +0000
committerDaniel Borkmann <daniel@iogearbox.net>2018-12-15 01:31:48 +0100
commit32870ba4078c3b4deac7ccb35b078c9ab69488a3 (patch)
tree5d878cd24f1916ca1585b44a1b1fe16a988433d9 /tools/bpf
parentbc6cd664609b92aa437ed3f384e332faab5949c8 (diff)
downloadlinux-32870ba4078c3b4deac7ccb35b078c9ab69488a3.tar.bz2
tools: bpftool: fix examples in documentation for bpftool prog
Bring various fixes to the manual page for "bpftool prog" set of commands: - Fix typos ("dum" -> "dump") - Harmonise indentation and format for command output - Update date format for program load time - Add instruction numbers on program dumps - Fix JSON format for the example program listing Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'tools/bpf')
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-prog.rst98
1 files changed, 53 insertions, 45 deletions
diff --git a/tools/bpf/bpftool/Documentation/bpftool-prog.rst b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
index b41e96ac0dfe..53920ffc48dd 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-prog.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
@@ -164,80 +164,88 @@ OPTIONS
EXAMPLES
========
**# bpftool prog show**
+
::
- 10: xdp name some_prog tag 005a3d2123620c8b gpl
- loaded_at Sep 29/20:11 uid 0
- xlated 528B jited 370B memlock 4096B map_ids 10
+ 10: xdp name some_prog tag 005a3d2123620c8b gpl
+ loaded_at 2017-09-29T20:11:00+0000 uid 0
+ xlated 528B jited 370B memlock 4096B map_ids 10
**# bpftool --json --pretty prog show**
::
- {
- "programs": [{
- "id": 10,
- "type": "xdp",
- "tag": "005a3d2123620c8b",
- "gpl_compatible": true,
- "loaded_at": "Sep 29/20:11",
- "uid": 0,
- "bytes_xlated": 528,
- "jited": true,
- "bytes_jited": 370,
- "bytes_memlock": 4096,
- "map_ids": [10
- ]
- }
- ]
- }
+ [{
+ "id": 10,
+ "type": "xdp",
+ "tag": "005a3d2123620c8b",
+ "gpl_compatible": true,
+ "loaded_at": 1506715860,
+ "uid": 0,
+ "bytes_xlated": 528,
+ "jited": true,
+ "bytes_jited": 370,
+ "bytes_memlock": 4096,
+ "map_ids": [10
+ ]
+ }
+ ]
|
| **# bpftool prog dump xlated id 10 file /tmp/t**
| **# ls -l /tmp/t**
-| -rw------- 1 root root 560 Jul 22 01:42 /tmp/t
-**# bpftool prog dum jited tag 005a3d2123620c8b**
+::
+
+ -rw------- 1 root root 560 Jul 22 01:42 /tmp/t
+
+**# bpftool prog dump jited tag 005a3d2123620c8b**
::
- push %rbp
- mov %rsp,%rbp
- sub $0x228,%rsp
- sub $0x28,%rbp
- mov %rbx,0x0(%rbp)
+ 0: push %rbp
+ 1: mov %rsp,%rbp
+ 2: sub $0x228,%rsp
+ 3: sub $0x28,%rbp
+ 4: mov %rbx,0x0(%rbp)
|
| **# mount -t bpf none /sys/fs/bpf/**
| **# bpftool prog pin id 10 /sys/fs/bpf/prog**
| **# bpftool prog load ./my_prog.o /sys/fs/bpf/prog2**
| **# ls -l /sys/fs/bpf/**
-| -rw------- 1 root root 0 Jul 22 01:43 prog
-| -rw------- 1 root root 0 Jul 22 01:44 prog2
-**# bpftool prog dum jited pinned /sys/fs/bpf/prog opcodes**
+::
+
+ -rw------- 1 root root 0 Jul 22 01:43 prog
+ -rw------- 1 root root 0 Jul 22 01:44 prog2
+
+**# bpftool prog dump jited pinned /sys/fs/bpf/prog opcodes**
::
- push %rbp
- 55
- mov %rsp,%rbp
- 48 89 e5
- sub $0x228,%rsp
- 48 81 ec 28 02 00 00
- sub $0x28,%rbp
- 48 83 ed 28
- mov %rbx,0x0(%rbp)
- 48 89 5d 00
+ 0: push %rbp
+ 55
+ 1: mov %rsp,%rbp
+ 48 89 e5
+ 4: sub $0x228,%rsp
+ 48 81 ec 28 02 00 00
+ b: sub $0x28,%rbp
+ 48 83 ed 28
+ f: mov %rbx,0x0(%rbp)
+ 48 89 5d 00
|
| **# bpftool prog load xdp1_kern.o /sys/fs/bpf/xdp1 type xdp map name rxcnt id 7**
| **# bpftool prog show pinned /sys/fs/bpf/xdp1**
-| 9: xdp name xdp_prog1 tag 539ec6ce11b52f98 gpl
-| loaded_at 2018-06-25T16:17:31-0700 uid 0
-| xlated 488B jited 336B memlock 4096B map_ids 7
-| **# rm /sys/fs/bpf/xdp1**
-|
+
+::
+
+ 9: xdp name xdp_prog1 tag 539ec6ce11b52f98 gpl
+ loaded_at 2018-06-25T16:17:31-0700 uid 0
+ xlated 488B jited 336B memlock 4096B map_ids 7
+
+**# rm /sys/fs/bpf/xdp1**
SEE ALSO
========