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author | Jiri Olsa <jolsa@kernel.org> | 2024-01-19 14:05:05 +0300 |
---|---|---|
committer | Alexei Starovoitov <ast@kernel.org> | 2024-01-24 03:05:28 +0300 |
commit | b0dc037399b19a777d569dbd9e2e9bbd62f3b3b1 (patch) | |
tree | 0d0caf63683de1d45c4c3aba0aa399fe2dee65c6 /fs/Kconfig | |
parent | 54258324b934aa8552c239c443272ec7aea55285 (diff) | |
download | linux-b0dc037399b19a777d569dbd9e2e9bbd62f3b3b1.tar.xz |
bpftool: Display cookie for kprobe multi link
Displaying cookies for kprobe multi link, in plain mode:
# bpftool link
...
1397: kprobe_multi prog 47532
kretprobe.multi func_cnt 3
addr cookie func [module]
ffffffff82b370c0 3 bpf_fentry_test1
ffffffff82b39780 1 bpf_fentry_test2
ffffffff82b397a0 2 bpf_fentry_test3
And in json mode:
# bpftool link -j | jq
...
{
"id": 1397,
"type": "kprobe_multi",
"prog_id": 47532,
"retprobe": true,
"func_cnt": 3,
"missed": 0,
"funcs": [
{
"addr": 18446744071607382208,
"func": "bpf_fentry_test1",
"module": null,
"cookie": 3
},
{
"addr": 18446744071607392128,
"func": "bpf_fentry_test2",
"module": null,
"cookie": 1
},
{
"addr": 18446744071607392160,
"func": "bpf_fentry_test3",
"module": null,
"cookie": 2
}
]
}
Cookie is attached to specific address, and because we sort addresses
before printing, we need to sort cookies the same way, hence adding
the struct addr_cookie to keep and sort them together.
Also adding missing dd.sym_count check to show_kprobe_multi_json.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20240119110505.400573-9-jolsa@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'fs/Kconfig')
0 files changed, 0 insertions, 0 deletions