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authorChuck Lever <chuck.lever@oracle.com>2021-10-16 18:02:57 -0400
committerTrond Myklebust <trond.myklebust@hammerspace.com>2021-10-20 18:09:54 -0400
commitb40887e10dcacc5e8ae3c1a99dcba20877c4831b (patch)
tree9295355ca33d41f2b4da0d6f59b041d3fdd905b0 /net/sunrpc/sched.c
parentd9f877433ef8ba2a79d2abd921ddaf2d301e24bb (diff)
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 <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'net/sunrpc/sched.c')
-rw-r--r--net/sunrpc/sched.c1
1 files changed, 1 insertions, 0 deletions
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 */