From: Chuck Lever Date: Wed, 8 Jul 2020 20:09:58 +0000 (-0400) Subject: SUNRPC: Add trace_rpc_timeout_status() X-Git-Tag: v5.10.7~1364^2~41 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=914cdcc78a668a90bc627542f82fc3a92525141c;p=platform%2Fkernel%2Flinux-rpi.git 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 Signed-off-by: Anna Schumaker --- diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h index 0aa15cc..edb41e1 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 48d8681..cabde92 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)) {