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| author | Chuck Lever <chuck.lever@oracle.com> | 2021-08-02 14:44:36 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2021-08-09 16:42:18 -0400 |
| commit | d9ae8134f253e8d0e15b1f0127af3b8b5552b90c (patch) | |
| tree | 224f67198d0d862be0ab01ec75b70f558c30c0e3 /include/trace | |
| parent | 683f31c3ab2e60b323b9b88c0ac389ff9cacec1a (diff) | |
| download | lwn-d9ae8134f253e8d0e15b1f0127af3b8b5552b90c.tar.gz lwn-d9ae8134f253e8d0e15b1f0127af3b8b5552b90c.zip | |
xprtrdma: Add an xprtrdma_post_send_err tracepoint
Unlike xprtrdma_post_send(), this one can be left enabled all the
time, and should almost never fire. But we do want to know about
immediate errors when they happen.
Note that there is already a similar post_linv_err tracepoint.
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 | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h index d65a84bd040c..de4195499592 100644 --- a/include/trace/events/rpcrdma.h +++ b/include/trace/events/rpcrdma.h @@ -793,6 +793,39 @@ TRACE_EVENT(xprtrdma_post_send, ) ); +TRACE_EVENT(xprtrdma_post_send_err, + TP_PROTO( + const struct rpcrdma_xprt *r_xprt, + const struct rpcrdma_req *req, + int rc + ), + + TP_ARGS(r_xprt, req, rc), + + TP_STRUCT__entry( + __field(u32, cq_id) + __field(unsigned int, task_id) + __field(unsigned int, client_id) + __field(int, rc) + ), + + TP_fast_assign( + const struct rpc_rqst *rqst = &req->rl_slot; + const struct rpcrdma_ep *ep = r_xprt->rx_ep; + + __entry->cq_id = ep ? ep->re_attr.recv_cq->res.id : 0; + __entry->task_id = rqst->rq_task->tk_pid; + __entry->client_id = rqst->rq_task->tk_client ? + rqst->rq_task->tk_client->cl_clid : -1; + __entry->rc = rc; + ), + + TP_printk("task:%u@%u cq.id=%u rc=%d", + __entry->task_id, __entry->client_id, + __entry->cq_id, __entry->rc + ) +); + TRACE_EVENT(xprtrdma_post_recv, TP_PROTO( const struct rpcrdma_rep *rep |