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SUNRPC: Trace calls to .rpc_call_done

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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>
This commit is contained in:
Chuck Lever
2021-10-16 18:02:57 -04:00
committed by Trond Myklebust
parent d9f877433e
commit b40887e10d
9 changed files with 2 additions and 17 deletions
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3
fs/lockd/clntproc.c
View File

@@ -794,9 +794,6 @@ static void nlmclnt_cancel_callback(struct rpc_task *task, void *data)
goto retry_cancel;
}
dprintk("lockd: cancel status %u (task %u)\n",
status, task->tk_pid);
switch (status) {
case NLM_LCK_GRANTED:
case NLM_LCK_DENIED_GRACE_PERIOD:

2
fs/lockd/svc4proc.c
View File

@@ -269,8 +269,6 @@ nlm4svc_proc_granted(struct svc_rqst *rqstp)
*/
static void nlm4svc_callback_exit(struct rpc_task *task, void *data)
{
dprintk("lockd: %5u callback returned %d\n", task->tk_pid,
-task->tk_status);
}
static void nlm4svc_callback_release(void *data)

2
fs/lockd/svcproc.c
View File

@@ -301,8 +301,6 @@ nlmsvc_proc_granted(struct svc_rqst *rqstp)
*/
static void nlmsvc_callback_exit(struct rpc_task *task, void *data)
{
dprintk("lockd: %5u callback returned %d\n", task->tk_pid,
-task->tk_status);
}
void nlmsvc_release_call(struct nlm_rqst *call)