diff options
| author | Quentin Monnet <quentin.monnet@netronome.com> | 2018-12-14 13:55:58 +0000 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2018-12-15 01:31:48 +0100 |
| commit | 32870ba4078c3b4deac7ccb35b078c9ab69488a3 (patch) | |
| tree | 5d878cd24f1916ca1585b44a1b1fe16a988433d9 /tools/bpf | |
| parent | bc6cd664609b92aa437ed3f384e332faab5949c8 (diff) | |
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.rst | 98 |
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 ======== |