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svcrdma: Record send_ctxt completion ID in trace_svcrdma_post_send()

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First, refactor: Dereference the svc_rdma_send_ctxt inside
svc_rdma_send() instead of at every call site.

Then, it can be passed into trace_svcrdma_post_send() to get the
proper completion ID.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever
2020-04-29 11:05:33 -04:00
parent 3ac56c2fb1
commit 17f70f8dd5
4 changed files with 20 additions and 14 deletions
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18
include/trace/events/rpcrdma.h
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@@ -1839,27 +1839,31 @@ DECLARE_EVENT_CLASS(svcrdma_sendcomp_event,
TRACE_EVENT(svcrdma_post_send,
TP_PROTO(
const struct ib_send_wr *wr
const struct svc_rdma_send_ctxt *ctxt
),
TP_ARGS(wr),
TP_ARGS(ctxt),
TP_STRUCT__entry(
__field(const void *, cqe)
__field(u32, cq_id)
__field(int, completion_id)
__field(unsigned int, num_sge)
__field(u32, inv_rkey)
),
TP_fast_assign(
__entry->cqe = wr->wr_cqe;
const struct ib_send_wr *wr = &ctxt->sc_send_wr;
__entry->cq_id = ctxt->sc_cid.ci_queue_id;
__entry->completion_id = ctxt->sc_cid.ci_completion_id;
__entry->num_sge = wr->num_sge;
__entry->inv_rkey = (wr->opcode == IB_WR_SEND_WITH_INV) ?
wr->ex.invalidate_rkey : 0;
),
TP_printk("cqe=%p num_sge=%u inv_rkey=0x%08x",
__entry->cqe, __entry->num_sge,
__entry->inv_rkey
TP_printk("cq_id=%u cid=%d num_sge=%u inv_rkey=0x%08x",
__entry->cq_id, __entry->completion_id,
__entry->num_sge, __entry->inv_rkey
)
);