diff options
| author | Chuck Lever | 2020-07-08 16:09:58 -0400 |
|---|---|---|
| committer | Anna Schumaker | 2020-09-21 10:21:09 -0400 |
| commit | 914cdcc78a668a90bc627542f82fc3a92525141c (patch) | |
| tree | 2966b894704a235654bce54a9b6bf6b44a383dd3 | |
| parent | 6f9f17287e78e5049931af2037b15b26d134a32a (diff) | |
SUNRPC: Add trace_rpc_timeout_status()
For a long while we've wanted a tracepoint that fires when a major
timeout is reported in the system log. Such a tracepoint can be
attached to other actions that can take place when a timeout is
detected (eg, server or connection health assessment).
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
| -rw-r--r-- | include/trace/events/sunrpc.h | 1 | ||||
| -rw-r--r-- | net/sunrpc/clnt.c | 2 |
2 files changed, 2 insertions, 1 deletions
diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h index 0aa15cc3985d..edb41e187cf6 100644 --- a/include/trace/events/sunrpc.h +++ b/include/trace/events/sunrpc.h @@ -261,6 +261,7 @@ DECLARE_EVENT_CLASS(rpc_task_status, DEFINE_RPC_STATUS_EVENT(call); DEFINE_RPC_STATUS_EVENT(bind); DEFINE_RPC_STATUS_EVENT(connect); +DEFINE_RPC_STATUS_EVENT(timeout); TRACE_EVENT(rpc_request, TP_PROTO(const struct rpc_task *task), diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 48d86814b942..cabde92f283d 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -2398,7 +2398,7 @@ rpc_check_timeout(struct rpc_task *task) if (xprt_adjust_timeout(task->tk_rqstp) == 0) return; - dprintk("RPC: %5u call_timeout (major)\n", task->tk_pid); + trace_rpc_timeout_status(task); task->tk_timeouts++; if (RPC_IS_SOFTCONN(task) && !rpc_check_connected(task->tk_rqstp)) { |