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authorChuck Lever <chuck.lever@oracle.com>2019-04-24 16:39:48 +0300
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2019-04-25 22:19:56 +0300
commit17e4c443c0b433354016df60a7bd3f1c6aac759c (patch)
treed001746c4daa8a374b17372dbb4539bd8e735bd2 /include/trace
parent4ba02e8d0ea5461d0e55e76c91481f1153f63365 (diff)
downloadlinux-17e4c443c0b433354016df60a7bd3f1c6aac759c.tar.xz
xprtrdma: Trace marshaling failures
Record an event when rpcrdma_marshal_req returns a non-zero return value to help track down why an xprt close might have occurred. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/rpcrdma.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h
index 962975b4313f..df9851cb82b2 100644
--- a/include/trace/events/rpcrdma.h
+++ b/include/trace/events/rpcrdma.h
@@ -511,6 +511,33 @@ TRACE_EVENT(xprtrdma_marshal,
)
);
+TRACE_EVENT(xprtrdma_marshal_failed,
+ TP_PROTO(const struct rpc_rqst *rqst,
+ int ret
+ ),
+
+ TP_ARGS(rqst, ret),
+
+ TP_STRUCT__entry(
+ __field(unsigned int, task_id)
+ __field(unsigned int, client_id)
+ __field(u32, xid)
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ __entry->task_id = rqst->rq_task->tk_pid;
+ __entry->client_id = rqst->rq_task->tk_client->cl_clid;
+ __entry->xid = be32_to_cpu(rqst->rq_xid);
+ __entry->ret = ret;
+ ),
+
+ TP_printk("task:%u@%u xid=0x%08x: ret=%d",
+ __entry->task_id, __entry->client_id, __entry->xid,
+ __entry->ret
+ )
+);
+
TRACE_EVENT(xprtrdma_post_send,
TP_PROTO(
const struct rpcrdma_req *req,