2024-01-18 09:55 UTC+0000 ~ Jiri Olsa <jolsa@xxxxxxxxxx>
> Displaying cookie for perf event link probes, in plain mode:
>
> # bpftool link
> 17: perf_event prog 90
> kprobe ffffffff82b1c2b0 bpf_fentry_test1 cookie 3735928559
> 18: perf_event prog 90
> kretprobe ffffffff82b1c2b0 bpf_fentry_test1 cookie 3735928559
> 20: perf_event prog 92
> tracepoint sched_switch cookie 3735928559
> 21: perf_event prog 93
> event software:page-faults cookie 3735928559
> 22: perf_event prog 91
> uprobe /proc/self/exe+0xd703c cookie 3735928559
>
> And in json mode:
>
> # bpftool link -j | jq
>
> {
> "id": 30,
> "type": "perf_event",
> "prog_id": 160,
> "retprobe": false,
> "addr": 18446744071607272112,
> "func": "bpf_fentry_test1",
> "offset": 0,
> "missed": 0,
> "cookie": 3735928559
> }
>
> {
> "id": 33,
> "type": "perf_event",
> "prog_id": 162,
> "tracepoint": "sched_switch",
> "cookie": 3735928559
> }
>
> {
> "id": 34,
> "type": "perf_event",
> "prog_id": 163,
> "event_type": "software",
> "event_config": "page-faults",
> "cookie": 3735928559
> }
>
> {
> "id": 35,
> "type": "perf_event",
> "prog_id": 161,
> "retprobe": false,
> "file": "/proc/self/exe",
> "offset": 880700,
> "cookie": 3735928559
> }
>
> Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Reviewed-by: Quentin Monnet <quentin@xxxxxxxxxxxxx>
Thanks!
