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-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-prog.rst11
1 files changed, 7 insertions, 4 deletions
diff --git a/tools/bpf/bpftool/Documentation/bpftool-prog.rst b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
index 57fc4b9924ea..04d12f768f06 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-prog.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
@@ -11,7 +11,7 @@ SYNOPSIS
========
| **bpftool** prog show [*PROG*]
-| **bpftool** prog dump xlated *PROG* file *FILE*
+| **bpftool** prog dump xlated *PROG* [file *FILE*] [opcodes]
| **bpftool** prog dump jited *PROG* [file *FILE*] [opcodes]
| **bpftool** prog pin *PROG* *FILE*
| **bpftool** prog help
@@ -28,9 +28,12 @@ DESCRIPTION
Output will start with program ID followed by program type and
zero or more named attributes (depending on kernel version).
- **bpftool prog dump xlated** *PROG* **file** *FILE*
- Dump eBPF instructions of the program from the kernel to a
- file.
+ **bpftool prog dump xlated** *PROG* [**file** *FILE*] [**opcodes**]
+ Dump eBPF instructions of the program from the kernel.
+ If *FILE* is specified image will be written to a file,
+ otherwise it will be disassembled and printed to stdout.
+
+ **opcodes** controls if raw opcodes will be printed.
**bpftool prog dump jited** *PROG* [**file** *FILE*] [**opcodes**]
Dump jited image (host machine code) of the program.