diff options
| author | Tao Chen <chen.dylane@linux.dev> | 2025-06-03 23:43:09 +0800 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2025-06-05 11:44:52 -0700 |
| commit | 9c8827d773bf49e173d15ec131ba576204e16104 (patch) | |
| tree | ce133be117b3a5c2944fa55b182b6e039ca53ab6 | |
| parent | 25a0d04d3883888ccd59918aede44b109abdb099 (diff) | |
bpftool: Display cookie for raw_tp link probe
Display cookie for raw_tp link probe, in plain mode:
#bpftool link
22: raw_tracepoint prog 14
tp 'sys_enter' cookie 23925373020405760
pids test_progs(176)
And in json mode:
#bpftool link -j | jq
[
{
"id": 47,
"type": "raw_tracepoint",
"prog_id": 79,
"tp_name": "sys_enter",
"cookie": 23925373020405760,
"pids": [
{
"pid": 274,
"comm": "test_progs"
}
]
}
]
Signed-off-by: Tao Chen <chen.dylane@linux.dev>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Quentin Monnet <qmo@kernel.org>
Link: https://lore.kernel.org/bpf/20250603154309.3063644-3-chen.dylane@linux.dev
| -rw-r--r-- | tools/bpf/bpftool/link.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/bpf/bpftool/link.c b/tools/bpf/bpftool/link.c index 3535afc80a49..cb67ce4eba24 100644 --- a/tools/bpf/bpftool/link.c +++ b/tools/bpf/bpftool/link.c @@ -485,6 +485,7 @@ static int show_link_close_json(int fd, struct bpf_link_info *info) case BPF_LINK_TYPE_RAW_TRACEPOINT: jsonw_string_field(json_wtr, "tp_name", u64_to_ptr(info->raw_tracepoint.tp_name)); + jsonw_uint_field(json_wtr, "cookie", info->raw_tracepoint.cookie); break; case BPF_LINK_TYPE_TRACING: err = get_prog_info(info->prog_id, &prog_info); @@ -879,6 +880,8 @@ static int show_link_close_plain(int fd, struct bpf_link_info *info) case BPF_LINK_TYPE_RAW_TRACEPOINT: printf("\n\ttp '%s' ", (const char *)u64_to_ptr(info->raw_tracepoint.tp_name)); + if (info->raw_tracepoint.cookie) + printf("cookie %llu ", info->raw_tracepoint.cookie); break; case BPF_LINK_TYPE_TRACING: err = get_prog_info(info->prog_id, &prog_info); |