[PATCH bpf-next 5/5] bpf: Add cookie in fdinfo for raw_tp

[Tao Chen]

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@xxxxxxxxx>
---
 kernel/bpf/syscall.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index d6eba1339ad..51ba1a7aa43 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -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,
-- 
2.43.0