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| author |   Chuck Lever <chuck.lever@oracle.com> | 2019-04-24 09:39:48 -0400 |
|---|---|---|
| committer |   Anna Schumaker <Anna.Schumaker@Netapp.com> | 2019-04-25 15:19:56 -0400 |
| commit | 17e4c443c0b433354016df60a7bd3f1c6aac759c (patch) | |
| tree | d001746c4daa8a374b17372dbb4539bd8e735bd2 /include/trace | |
| parent | xprtrdma: Increase maximum number of backchannel requests (diff) | |
| download | linux-dev-17e4c443c0b433354016df60a7bd3f1c6aac759c.tar.xz linux-dev-17e4c443c0b433354016df60a7bd3f1c6aac759c.zip | |
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.h | 27 |
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, |