From b40887e10dcacc5e8ae3c1a99dcba20877c4831b Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Sat, 16 Oct 2021 18:02:57 -0400 Subject: SUNRPC: Trace calls to .rpc_call_done Introduce a single tracepoint that can replace simple dprintk call sites in upper layer "rpc_call_done" callbacks. Example: kworker/u24:2-1254 [001] 771.026677: rpc_stats_latency: task:00000001@00000002 xid=0x16a6f3c0 rpcbindv2 GETPORT backlog=446 rtt=101 execute=555 kworker/u24:2-1254 [001] 771.026677: rpc_task_call_done: task:00000001@00000002 flags=ASYNC|DYNAMIC|SOFT|SOFTCONN|SENT runstate=RUNNING|ACTIVE status=0 action=rpcb_getport_done kworker/u24:2-1254 [001] 771.026678: rpcb_setport: task:00000001@00000002 status=0 port=20048 Signed-off-by: Chuck Lever Signed-off-by: Trond Myklebust --- net/sunrpc/sched.c | 1 + 1 file changed, 1 insertion(+) (limited to 'net/sunrpc/sched.c') diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index f4f311ea7a66..e2c835482791 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -837,6 +837,7 @@ void rpc_exit_task(struct rpc_task *task) else if (task->tk_client) rpc_count_iostats(task, task->tk_client->cl_metrics); if (task->tk_ops->rpc_call_done != NULL) { + trace_rpc_task_call_done(task, task->tk_ops->rpc_call_done); task->tk_ops->rpc_call_done(task, task->tk_calldata); if (task->tk_action != NULL) { /* Always release the RPC slot and buffer memory */ -- cgit v1.2.3-59-g8ed1b