mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
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54258324b9
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
}
Reviewed-by: Quentin Monnet <quentin@isovalent.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20240119110505.400573-8-jolsa@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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|---|---|---|
| .. | ||
| bash-completion | ||
| Documentation | ||
| skeleton | ||
| .gitignore | ||
| btf_dumper.c | ||
| btf.c | ||
| cfg.c | ||
| cfg.h | ||
| cgroup.c | ||
| common.c | ||
| feature.c | ||
| gen.c | ||
| iter.c | ||
| jit_disasm.c | ||
| json_writer.c | ||
| json_writer.h | ||
| link.c | ||
| main.c | ||
| main.h | ||
| Makefile | ||
| map_perf_ring.c | ||
| map.c | ||
| net.c | ||
| netlink_dumper.c | ||
| netlink_dumper.h | ||
| perf.c | ||
| pids.c | ||
| prog.c | ||
| struct_ops.c | ||
| tracelog.c | ||
| xlated_dumper.c | ||
| xlated_dumper.h | ||