Commit 380cb6df authored by Tao Chen's avatar Tao Chen Committed by Andrii Nakryiko
Browse files

bpf: Add cookie in fdinfo for tracing 



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

link_type:	tracing
link_id:	6
prog_tag:	9dfdf8ef453843bf
prog_id:	35
attach_type:	25
target_obj_id:	1
target_btf_id:	60355
cookie:	9007199254740992

Signed-off-by: default avatarTao Chen <chen.dylane@linux.dev>
Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250606165818.3394397-4-chen.dylane@linux.dev
parent ad954cbe

kernel/bpf/syscall.c

+4 −2
Original line number Diff line number Diff line
@@ -3403,10 +3403,12 @@ static void bpf_tracing_link_show_fdinfo(const struct bpf_link *link, 
	seq_printf(seq,

		   "attach_type:\t%d\n"

		   "target_obj_id:\t%u\n"

		   "target_btf_id:\t%u\n",

		   "target_btf_id:\t%u\n"

		   "cookie:\t%llu\n",

		   tr_link->attach_type,

		   target_obj_id,

		   target_btf_id);

		   target_btf_id,

		   tr_link->link.cookie);

}



static int bpf_tracing_link_fill_link_info(const struct bpf_link *link,