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svcrdma: SQ error tracepoints should report completion IDs

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Update the Send Queue's error flow tracepoints to report the
completion ID of the waiting or failing context. This ties the
wait/failure to a particular operation or request, which is a little
more useful than knowing only the transport that is about to close.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever
2023-11-27 11:33:37 -05:00
parent be2acb1048
commit ad3656bd84
3 changed files with 35 additions and 26 deletions
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49
include/trace/events/rpcrdma.h
View File

@@ -2143,65 +2143,74 @@ TRACE_EVENT(svcrdma_qp_error,
)
);
DECLARE_EVENT_CLASS(svcrdma_sendqueue_event,
DECLARE_EVENT_CLASS(svcrdma_sendqueue_class,
TP_PROTO(
const struct svcxprt_rdma *rdma
const struct svcxprt_rdma *rdma,
const struct rpc_rdma_cid *cid
),
TP_ARGS(rdma),
TP_ARGS(rdma, cid),
TP_STRUCT__entry(
__field(u32, cq_id)
__field(int, completion_id)
__field(int, avail)
__field(int, depth)
__string(addr, rdma->sc_xprt.xpt_remotebuf)
),
TP_fast_assign(
__entry->cq_id = cid->ci_queue_id;
__entry->completion_id = cid->ci_completion_id;
__entry->avail = atomic_read(&rdma->sc_sq_avail);
__entry->depth = rdma->sc_sq_depth;
__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);
),
TP_printk("addr=%s sc_sq_avail=%d/%d",
__get_str(addr), __entry->avail, __entry->depth
TP_printk("cq.id=%u cid=%d sc_sq_avail=%d/%d",
__entry->cq_id, __entry->completion_id,
__entry->avail, __entry->depth
)
);
#define DEFINE_SQ_EVENT(name) \
DEFINE_EVENT(svcrdma_sendqueue_event, svcrdma_sq_##name,\
TP_PROTO( \
const struct svcxprt_rdma *rdma \
), \
TP_ARGS(rdma))
DEFINE_EVENT(svcrdma_sendqueue_class, name, \
TP_PROTO( \
const struct svcxprt_rdma *rdma, \
const struct rpc_rdma_cid *cid \
), \
TP_ARGS(rdma, cid) \
)
DEFINE_SQ_EVENT(full);
DEFINE_SQ_EVENT(retry);
DEFINE_SQ_EVENT(svcrdma_sq_full);
DEFINE_SQ_EVENT(svcrdma_sq_retry);
TRACE_EVENT(svcrdma_sq_post_err,
TP_PROTO(
const struct svcxprt_rdma *rdma,
const struct rpc_rdma_cid *cid,
int status
),
TP_ARGS(rdma, status),
TP_ARGS(rdma, cid, status),
TP_STRUCT__entry(
__field(u32, cq_id)
__field(int, completion_id)
__field(int, avail)
__field(int, depth)
__field(int, status)
__string(addr, rdma->sc_xprt.xpt_remotebuf)
),
TP_fast_assign(
__entry->cq_id = cid->ci_queue_id;
__entry->completion_id = cid->ci_completion_id;
__entry->avail = atomic_read(&rdma->sc_sq_avail);
__entry->depth = rdma->sc_sq_depth;
__entry->status = status;
__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);
),
TP_printk("addr=%s sc_sq_avail=%d/%d status=%d",
__get_str(addr), __entry->avail, __entry->depth,
__entry->status
TP_printk("cq.id=%u cid=%d sc_sq_avail=%d/%d status=%d",
__entry->cq_id, __entry->completion_id,
__entry->avail, __entry->depth, __entry->status
)
);