Yes, I got the same results.
Hoang
-----Original Message-----
From: Jon Maloy <[email protected]>
Sent: Friday, March 27, 2020 8:43 PM
To: Tuong Tong Lien <[email protected]>; [email protected];
[email protected]; [email protected]
Cc: [email protected]
Subject: Re: [tipc-discussion] [PATCH RFC 2/4] tipc: add back link trace events
I received [2/4], 3/4] and [4/4] of thi series but no [0/4] and [1/4].
This is the case both for my redhat account and my private account, so I
assume the problem is at your end.
Please re-post.
///jon
On 3/27/20 7:56 AM, Tuong Lien wrote:
> In the previous commit ("tipc: add Gap ACK blocks support for broadcast
> link"), we have removed the following link trace events due to the code
> changes:
>
> - tipc_link_bc_ack
> - tipc_link_retrans
>
> This commit adds them back along with some minor changes to adapt to
> the new code.
>
> Signed-off-by: Tuong Lien <[email protected]>
> ---
> net/tipc/link.c | 3 +++
> net/tipc/trace.h | 13 ++++++++-----
> 2 files changed, 11 insertions(+), 5 deletions(-)
>
> diff --git a/net/tipc/link.c b/net/tipc/link.c
> index 1b60ba665504..405ccf597e59 100644
> --- a/net/tipc/link.c
> +++ b/net/tipc/link.c
> @@ -1517,6 +1517,8 @@ static int tipc_link_advance_transmq(struct tipc_link
> *l, struct tipc_link *r,
> bool is_uc = !link_is_bc_sndlink(l);
> bool bc_has_acked = false;
>
> + trace_tipc_link_retrans(r, acked + 1, acked + gap, &l->transmq);
> +
> /* Determine Gap ACK blocks if any for the particular link */
> if (ga && is_uc) {
> /* Get the Gap ACKs, uc part */
> @@ -2423,6 +2425,7 @@ int tipc_link_bc_ack_rcv(struct tipc_link *r, u16
> acked, u16 gap,
> if (less(acked, r->acked) || (acked == r->acked && !gap && !ga))
> return 0;
>
> + trace_tipc_link_bc_ack(r, acked, gap, &l->transmq);
> tipc_link_advance_transmq(l, r, acked, gap, ga, xmitq, &unused, &rc);
>
> tipc_link_advance_backlog(l, xmitq);
> diff --git a/net/tipc/trace.h b/net/tipc/trace.h
> index 4d8e00483afc..e7535ab75255 100644
> --- a/net/tipc/trace.h
> +++ b/net/tipc/trace.h
> @@ -299,8 +299,10 @@ DECLARE_EVENT_CLASS(tipc_link_transmq_class,
> __entry->from = f;
> __entry->to = t;
> __entry->len = skb_queue_len(tq);
> - __entry->fseqno = msg_seqno(buf_msg(skb_peek(tq)));
> - __entry->lseqno = msg_seqno(buf_msg(skb_peek_tail(tq)));
> + __entry->fseqno = __entry->len ?
> + msg_seqno(buf_msg(skb_peek(tq))) : 0;
> + __entry->lseqno = __entry->len ?
> + msg_seqno(buf_msg(skb_peek_tail(tq))) : 0;
> ),
>
> TP_printk("<%s> retrans req: [%u-%u] transmq: %u [%u-%u]\n",
> @@ -308,15 +310,16 @@ DECLARE_EVENT_CLASS(tipc_link_transmq_class,
> __entry->len, __entry->fseqno, __entry->lseqno)
> );
>
> -DEFINE_EVENT(tipc_link_transmq_class, tipc_link_retrans,
> +DEFINE_EVENT_CONDITION(tipc_link_transmq_class, tipc_link_retrans,
> TP_PROTO(struct tipc_link *r, u16 f, u16 t, struct sk_buff_head *tq),
> - TP_ARGS(r, f, t, tq)
> + TP_ARGS(r, f, t, tq),
> + TP_CONDITION(less_eq(f, t))
> );
>
> DEFINE_EVENT_PRINT(tipc_link_transmq_class, tipc_link_bc_ack,
> TP_PROTO(struct tipc_link *r, u16 f, u16 t, struct sk_buff_head *tq),
> TP_ARGS(r, f, t, tq),
> - TP_printk("<%s> acked: [%u-%u] transmq: %u [%u-%u]\n",
> + TP_printk("<%s> acked: %u gap: %u transmq: %u [%u-%u]\n",
> __entry->name, __entry->from, __entry->to,
> __entry->len, __entry->fseqno, __entry->lseqno)
> );
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