diff options
| author |   Chuck Lever <chuck.lever@oracle.com> | 2021-08-02 14:44:30 -0400 |
|---|---|---|
| committer |   Anna Schumaker <Anna.Schumaker@Netapp.com> | 2021-08-09 16:42:10 -0400 |
| commit | 683f31c3ab2e60b323b9b88c0ac389ff9cacec1a (patch) | |
| tree | 0643ad8bb83715c4be416f292937280fbb92350d /include | |
| parent | xprtrdma: Put rpcrdma_reps before waking the tear-down completion (diff) | |
| download | linux-dev-683f31c3ab2e60b323b9b88c0ac389ff9cacec1a.tar.xz linux-dev-683f31c3ab2e60b323b9b88c0ac389ff9cacec1a.zip | |
xprtrdma: Add xprtrdma_post_recvs_err() tracepoint
In the vast majority of cases, rc=0. Don't record that in the
post_recvs tracepoint. Instead, add a separate tracepoint that can
be left enabled all the time to capture the very rare immediate
errors returned by ib_post_recv().
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/trace/events/rpcrdma.h | 41 |
1 files changed, 34 insertions, 7 deletions
diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h index bd55908c1bef..d65a84bd040c 100644 --- a/include/trace/events/rpcrdma.h +++ b/include/trace/events/rpcrdma.h @@ -818,16 +818,14 @@ TRACE_EVENT(xprtrdma_post_recv, TRACE_EVENT(xprtrdma_post_recvs, TP_PROTO( const struct rpcrdma_xprt *r_xprt, - unsigned int count, - int status + unsigned int count ), - TP_ARGS(r_xprt, count, status), + TP_ARGS(r_xprt, count), TP_STRUCT__entry( __field(u32, cq_id) __field(unsigned int, count) - __field(int, status) __field(int, posted) __string(addr, rpcrdma_addrstr(r_xprt)) __string(port, rpcrdma_portstr(r_xprt)) @@ -838,15 +836,44 @@ TRACE_EVENT(xprtrdma_post_recvs, __entry->cq_id = ep->re_attr.recv_cq->res.id; __entry->count = count; - __entry->status = status; __entry->posted = ep->re_receive_count; __assign_str(addr, rpcrdma_addrstr(r_xprt)); __assign_str(port, rpcrdma_portstr(r_xprt)); ), - TP_printk("peer=[%s]:%s cq.id=%d %u new recvs, %d active (rc %d)", + TP_printk("peer=[%s]:%s cq.id=%d %u new recvs, %d active", + __get_str(addr), __get_str(port), __entry->cq_id, + __entry->count, __entry->posted + ) +); + +TRACE_EVENT(xprtrdma_post_recvs_err, + TP_PROTO( + const struct rpcrdma_xprt *r_xprt, + int status + ), + + TP_ARGS(r_xprt, status), + + TP_STRUCT__entry( + __field(u32, cq_id) + __field(int, status) + __string(addr, rpcrdma_addrstr(r_xprt)) + __string(port, rpcrdma_portstr(r_xprt)) + ), + + TP_fast_assign( + const struct rpcrdma_ep *ep = r_xprt->rx_ep; + + __entry->cq_id = ep->re_attr.recv_cq->res.id; + __entry->status = status; + __assign_str(addr, rpcrdma_addrstr(r_xprt)); + __assign_str(port, rpcrdma_portstr(r_xprt)); + ), + + TP_printk("peer=[%s]:%s cq.id=%d rc=%d", __get_str(addr), __get_str(port), __entry->cq_id, - __entry->count, __entry->posted, __entry->status + __entry->status ) ); |