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rpcrdma: Capture bytes received in Receive completion tracepoints 

Make it easier to spot messages of an unusual size.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Acked-by: Tom Talpey <tom@talpey.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2021-02-04 11:59:32 -05:00 committed by Anna Schumaker
parent 2324fbedc2
commit c30f259a21
1 changed files with 48 additions and 2 deletions
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50
include/trace/events/rpcrdma.h
View File

@ -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(