Commit 82476d9f authored Jan 03, 2018 by Chuck Lever Committed by Anna Schumaker Jan 23, 2018

SUNRPC: Trace xprt_timer events



Track RPC timeouts: report the XID and the server address to match
the content of network capture.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

parent 9ab6d89e

include/trace/events/sunrpc.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -390,6 +390,10 @@ DECLARE_EVENT_CLASS(rpc_xprt_event,
		__entry->status)
		);

		DEFINE_EVENT(rpc_xprt_event, xprt_timer,
		TP_PROTO(struct rpc_xprt *xprt, __be32 xid, int status),
		TP_ARGS(xprt, xid, status));

		DEFINE_EVENT(rpc_xprt_event, xprt_lookup_rqst,
		TP_PROTO(struct rpc_xprt *xprt, __be32 xid, int status),
		TP_ARGS(xprt, xid, status));

net/sunrpc/xprt.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -940,8 +940,8 @@ static void xprt_timer(struct rpc_task *task)

		if (task->tk_status != -ETIMEDOUT)
		return;
		dprintk("RPC: %5u xprt_timer\n", task->tk_pid);

		trace_xprt_timer(xprt, req->rq_xid, task->tk_status);
		if (!req->rq_reply_bytes_recvd) {
		if (xprt->ops->timer)
		xprt->ops->timer(xprt, task);

net/sunrpc/xprtrdma/transport.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -516,8 +516,6 @@ xprt_rdma_set_port(struct rpc_xprt *xprt, u16 port)
		static void
		xprt_rdma_timer(struct rpc_xprt xprt, struct rpc_task task)
		{
		dprintk("RPC: %5u %s: xprt = %p\n", task->tk_pid, __func__, xprt);

		xprt_force_disconnect(xprt);
		}