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bpf: Add cookie in fdinfo for raw_tp

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Add cookie in fdinfo for raw_tp, the info as follows:

link_type:	raw_tracepoint
link_id:	31
prog_tag:	9dfdf8ef453843bf
prog_id:	32
tp_name:	sys_enter
cookie:	23925373020405760

Signed-off-by: Tao Chen <chen.dylane@linux.dev>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250606165818.3394397-5-chen.dylane@linux.dev
This commit is contained in:
Tao Chen 2025-06-07 00:58:18 +08:00 committed by Andrii Nakryiko
parent 380cb6dfa2
commit 2bc0575fec
1 changed files with 4 additions and 2 deletions
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6
kernel/bpf/syscall.c
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@ -3654,8 +3654,10 @@ static void bpf_raw_tp_link_show_fdinfo(const struct bpf_link *link,
container_of(link, struct bpf_raw_tp_link, link);
seq_printf(seq,
"tp_name:\t%s\n",
raw_tp_link->btp->tp->name);
"tp_name:\t%s\n"
"cookie:\t%llu\n",
raw_tp_link->btp->tp->name,
raw_tp_link->cookie);
}
static int bpf_copy_to_user(char __user *ubuf, const char *buf, u32 ulen,