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| author | Chuck Lever <chuck.lever@oracle.com> | 2020-04-30 21:25:01 +0200 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2020-05-18 16:21:22 +0200 |
| commit | e979a173a0b8dc1a41bc3194e34b92d79c049ad3 (patch) | |
| tree | 61609debcd87ce949c12266f692affb59bf19f1f /include/trace | |
| parent | svcrdma: Displayed remote IP address should match stored address (diff) | |
| download | linux-e979a173a0b8dc1a41bc3194e34b92d79c049ad3.tar.xz linux-e979a173a0b8dc1a41bc3194e34b92d79c049ad3.zip | |
svcrdma: Add tracepoints to report ->xpo_accept failures
Failure to accept a connection is typically due to a problem
specific to a transport type. Also, ->xpo_accept returns NULL
on error rather than reporting a specific problem.
So, add failure-specific tracepoints in svc_rdma_accept().
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/rpcrdma.h | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h index 53b24c8c7860..79ef2ab7743c 100644 --- a/include/trace/events/rpcrdma.h +++ b/include/trace/events/rpcrdma.h @@ -1309,9 +1309,45 @@ DECLARE_EVENT_CLASS(svcrdma_xprt_event, TP_ARGS(xprt)) DEFINE_XPRT_EVENT(accept); -DEFINE_XPRT_EVENT(fail); DEFINE_XPRT_EVENT(free); +DECLARE_EVENT_CLASS(svcrdma_accept_class, + TP_PROTO( + const struct svcxprt_rdma *rdma, + long status + ), + + TP_ARGS(rdma, status), + + TP_STRUCT__entry( + __field(long, status) + __string(addr, rdma->sc_xprt.xpt_remotebuf) + ), + + TP_fast_assign( + __entry->status = status; + __assign_str(addr, rdma->sc_xprt.xpt_remotebuf); + ), + + TP_printk("addr=%s status=%ld", + __get_str(addr), __entry->status + ) +); + +#define DEFINE_ACCEPT_EVENT(name) \ + DEFINE_EVENT(svcrdma_accept_class, svcrdma_##name##_err, \ + TP_PROTO( \ + const struct svcxprt_rdma *rdma, \ + long status \ + ), \ + TP_ARGS(rdma, status)) + +DEFINE_ACCEPT_EVENT(pd); +DEFINE_ACCEPT_EVENT(qp); +DEFINE_ACCEPT_EVENT(fabric); +DEFINE_ACCEPT_EVENT(initdepth); +DEFINE_ACCEPT_EVENT(accept); + TRACE_DEFINE_ENUM(RDMA_MSG); TRACE_DEFINE_ENUM(RDMA_NOMSG); TRACE_DEFINE_ENUM(RDMA_MSGP); |