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SUNRPC: Add tracepoint to rpc_call_rpcerror()

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Add a tracepoint in another common exit point for failing RPCs.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever
2020-05-12 17:13:23 -04:00
committed by Anna Schumaker
parent 82909dc546
commit 0125ecbb52
2 changed files with 29 additions and 0 deletions
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28
include/trace/events/sunrpc.h
View File

@ -365,6 +365,34 @@ DEFINE_RPC_REPLY_EVENT(stale_creds);
DEFINE_RPC_REPLY_EVENT(bad_creds); DEFINE_RPC_REPLY_EVENT(bad_creds);
DEFINE_RPC_REPLY_EVENT(auth_tooweak); DEFINE_RPC_REPLY_EVENT(auth_tooweak);
TRACE_EVENT(rpc_call_rpcerror,
TP_PROTO(
const struct rpc_task *task,
int tk_status,
int rpc_status
),
TP_ARGS(task, tk_status, rpc_status),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(int, tk_status)
__field(int, rpc_status)
),
TP_fast_assign(
__entry->client_id = task->tk_client->cl_clid;
__entry->task_id = task->tk_pid;
__entry->tk_status = tk_status;
__entry->rpc_status = rpc_status;
),
TP_printk("task:%u@%u tk_status=%d rpc_status=%d",
__entry->task_id, __entry->client_id,
__entry->tk_status, __entry->rpc_status)
);
TRACE_EVENT(rpc_stats_latency, TRACE_EVENT(rpc_stats_latency,
TP_PROTO( TP_PROTO(

1
net/sunrpc/clnt.c
View File

@ -1624,6 +1624,7 @@ const char
static void static void
__rpc_call_rpcerror(struct rpc_task *task, int tk_status, int rpc_status) __rpc_call_rpcerror(struct rpc_task *task, int tk_status, int rpc_status)
{ {
trace_rpc_call_rpcerror(task, tk_status, rpc_status);
task->tk_rpc_status = rpc_status; task->tk_rpc_status = rpc_status;
rpc_exit(task, tk_status); rpc_exit(task, tk_status);
} }