Commit c30f259a authored by Chuck Lever's avatar Chuck Lever Committed by Anna Schumaker
Browse files

rpcrdma: Capture bytes received in Receive completion tracepoints 



Make it easier to spot messages of an unusual size.

Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
Acked-by: default avatarTom Talpey <tom@talpey.com>
Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
parent 2324fbed

include/trace/events/rpcrdma.h

+48 −2
Original line number Diff line number Diff line
@@ -60,6 +60,51 @@ DECLARE_EVENT_CLASS(rpcrdma_completion_class, 
				),					\

				TP_ARGS(wc, cid))



DECLARE_EVENT_CLASS(rpcrdma_receive_completion_class,

	TP_PROTO(

		const struct ib_wc *wc,

		const struct rpc_rdma_cid *cid

	),



	TP_ARGS(wc, cid),



	TP_STRUCT__entry(

		__field(u32, cq_id)

		__field(int, completion_id)

		__field(u32, received)

		__field(unsigned long, status)

		__field(unsigned int, vendor_err)

	),



	TP_fast_assign(

		__entry->cq_id = cid->ci_queue_id;

		__entry->completion_id = cid->ci_completion_id;

		__entry->status = wc->status;

		if (wc->status) {

			__entry->received = 0;

			__entry->vendor_err = wc->vendor_err;

		} else {

			__entry->received = wc->byte_len;

			__entry->vendor_err = 0;

		}

	),



	TP_printk("cq.id=%u cid=%d status=%s (%lu/0x%x) received=%u",

		__entry->cq_id, __entry->completion_id,

		rdma_show_wc_status(__entry->status),

		__entry->status, __entry->vendor_err,

		__entry->received

	)

);



#define DEFINE_RECEIVE_COMPLETION_EVENT(name)				\

		DEFINE_EVENT(rpcrdma_receive_completion_class, name,	\

				TP_PROTO(				\

					const struct ib_wc *wc,		\

					const struct rpc_rdma_cid *cid	\

				),					\

				TP_ARGS(wc, cid))



DECLARE_EVENT_CLASS(xprtrdma_reply_class,

	TP_PROTO(

		const struct rpcrdma_rep *rep
@@ -838,7 +883,8 @@ TRACE_EVENT(xprtrdma_post_linv_err, 
 ** Completion events

 **/



DEFINE_COMPLETION_EVENT(xprtrdma_wc_receive);

DEFINE_RECEIVE_COMPLETION_EVENT(xprtrdma_wc_receive);



DEFINE_COMPLETION_EVENT(xprtrdma_wc_send);

DEFINE_COMPLETION_EVENT(xprtrdma_wc_fastreg);

DEFINE_COMPLETION_EVENT(xprtrdma_wc_li);
@@ -1790,7 +1836,7 @@ TRACE_EVENT(svcrdma_post_recv, 
	)

);



DEFINE_COMPLETION_EVENT(svcrdma_wc_receive);

DEFINE_RECEIVE_COMPLETION_EVENT(svcrdma_wc_receive);



TRACE_EVENT(svcrdma_rq_post_err,

	TP_PROTO(