xprtrdma: Add trace points in the client-side backchannel code paths
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h
index 023443d..95c2c0b 100644
--- a/include/trace/events/rpcrdma.h
+++ b/include/trace/events/rpcrdma.h
@@ -267,6 +267,39 @@ DECLARE_EVENT_CLASS(xprtrdma_mr,
), \
TP_ARGS(mr))
+DECLARE_EVENT_CLASS(xprtrdma_cb_event,
+ TP_PROTO(
+ const struct rpc_rqst *rqst
+ ),
+
+ TP_ARGS(rqst),
+
+ TP_STRUCT__entry(
+ __field(const void *, rqst)
+ __field(const void *, rep)
+ __field(const void *, req)
+ __field(u32, xid)
+ ),
+
+ TP_fast_assign(
+ __entry->rqst = rqst;
+ __entry->req = rpcr_to_rdmar(rqst);
+ __entry->rep = rpcr_to_rdmar(rqst)->rl_reply;
+ __entry->xid = be32_to_cpu(rqst->rq_xid);
+ ),
+
+ TP_printk("xid=0x%08x, rqst=%p req=%p rep=%p",
+ __entry->xid, __entry->rqst, __entry->req, __entry->rep
+ )
+);
+
+#define DEFINE_CB_EVENT(name) \
+ DEFINE_EVENT(xprtrdma_cb_event, name, \
+ TP_PROTO( \
+ const struct rpc_rqst *rqst \
+ ), \
+ TP_ARGS(rqst))
+
/**
** Connection events
**/
@@ -719,6 +752,41 @@ TRACE_EVENT(xprtrdma_decode_seg,
)
);
+/**
+ ** Callback events
+ **/
+
+TRACE_EVENT(xprtrdma_cb_setup,
+ TP_PROTO(
+ const struct rpcrdma_xprt *r_xprt,
+ unsigned int reqs
+ ),
+
+ TP_ARGS(r_xprt, reqs),
+
+ TP_STRUCT__entry(
+ __field(const void *, r_xprt)
+ __field(unsigned int, reqs)
+ __string(addr, rpcrdma_addrstr(r_xprt))
+ __string(port, rpcrdma_portstr(r_xprt))
+ ),
+
+ TP_fast_assign(
+ __entry->r_xprt = r_xprt;
+ __entry->reqs = reqs;
+ __assign_str(addr, rpcrdma_addrstr(r_xprt));
+ __assign_str(port, rpcrdma_portstr(r_xprt));
+ ),
+
+ TP_printk("peer=[%s]:%s r_xprt=%p: %u reqs",
+ __get_str(addr), __get_str(port),
+ __entry->r_xprt, __entry->reqs
+ )
+);
+
+DEFINE_CB_EVENT(xprtrdma_cb_call);
+DEFINE_CB_EVENT(xprtrdma_cb_reply);
+
#endif /* _TRACE_RPCRDMA_H */
#include <trace/define_trace.h>
