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-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-map.rst4
-rw-r--r--tools/bpf/bpftool/map.c4
2 files changed, 7 insertions, 1 deletions
diff --git a/tools/bpf/bpftool/Documentation/bpftool-map.rst b/tools/bpf/bpftool/Documentation/bpftool-map.rst
index f34cace771bd..b79da683da88 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-map.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-map.rst
@@ -31,6 +31,7 @@ MAP COMMANDS
| **bpftool** **map delete** *MAP* **key** *DATA*
| **bpftool** **map pin** *MAP* *FILE*
| **bpftool** **map event_pipe** *MAP* [**cpu** *N* **index** *M*]
+| **bpftool** **map peek** *MAP*
| **bpftool** **map help**
|
| *MAP* := { **id** *MAP_ID* | **pinned** *FILE* }
@@ -107,6 +108,9 @@ DESCRIPTION
replace any existing ring. Any other application will stop
receiving events if it installed its rings earlier.
+ **bpftool map peek** *MAP*
+ Peek next **value** in the queue or stack.
+
**bpftool map help**
Print short help message.
diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c
index 3f599399913b..d7344fcd2089 100644
--- a/tools/bpf/bpftool/map.c
+++ b/tools/bpf/bpftool/map.c
@@ -1168,6 +1168,7 @@ static int do_help(int argc, char **argv)
" %s %s delete MAP key DATA\n"
" %s %s pin MAP FILE\n"
" %s %s event_pipe MAP [cpu N index M]\n"
+ " %s %s peek MAP\n"
" %s %s help\n"
"\n"
" " HELP_SPEC_MAP "\n"
@@ -1185,7 +1186,7 @@ static int do_help(int argc, char **argv)
bin_name, argv[-2], bin_name, argv[-2], bin_name, argv[-2],
bin_name, argv[-2], bin_name, argv[-2], bin_name, argv[-2],
bin_name, argv[-2], bin_name, argv[-2], bin_name, argv[-2],
- bin_name, argv[-2]);
+ bin_name, argv[-2], bin_name, argv[-2]);
return 0;
}
@@ -1202,6 +1203,7 @@ static const struct cmd cmds[] = {
{ "pin", do_pin },
{ "event_pipe", do_event_pipe },
{ "create", do_create },
+ { "peek", do_lookup },
{ 0 }
};