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SUNRPC: Introduce trace points in rpc_auth_gss.ko

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Add infrastructure for trace points in the RPC_AUTH_GSS kernel
module, and add a few sample trace points. These report exceptional
or unexpected events, and observe the assignment of GSS sequence
numbers.

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
2019-02-11 11:25:04 -05:00
committed by Anna Schumaker
parent a0584ee9ae
commit 0c77668ddb
7 changed files with 530 additions and 92 deletions
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61
include/trace/events/sunrpc.h
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@@ -655,9 +655,68 @@ DECLARE_EVENT_CLASS(rpc_xprt_event,
DEFINE_RPC_XPRT_EVENT(timer);
DEFINE_RPC_XPRT_EVENT(lookup_rqst);
DEFINE_RPC_XPRT_EVENT(transmit);
DEFINE_RPC_XPRT_EVENT(complete_rqst);
TRACE_EVENT(xprt_transmit,
TP_PROTO(
const struct rpc_rqst *rqst,
int status
),
TP_ARGS(rqst, status),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(u32, xid)
__field(u32, seqno)
__field(int, status)
),
TP_fast_assign(
__entry->task_id = rqst->rq_task->tk_pid;
__entry->client_id = rqst->rq_task->tk_client->cl_clid;
__entry->xid = be32_to_cpu(rqst->rq_xid);
__entry->seqno = rqst->rq_seqno;
__entry->status = status;
),
TP_printk(
"task:%u@%u xid=0x%08x seqno=%u status=%d",
__entry->task_id, __entry->client_id, __entry->xid,
__entry->seqno, __entry->status)
);
TRACE_EVENT(xprt_enq_xmit,
TP_PROTO(
const struct rpc_task *task,
int stage
),
TP_ARGS(task, stage),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(u32, xid)
__field(u32, seqno)
__field(int, stage)
),
TP_fast_assign(
__entry->task_id = task->tk_pid;
__entry->client_id = task->tk_client->cl_clid;
__entry->xid = be32_to_cpu(task->tk_rqstp->rq_xid);
__entry->seqno = task->tk_rqstp->rq_seqno;
__entry->stage = stage;
),
TP_printk(
"task:%u@%u xid=0x%08x seqno=%u stage=%d",
__entry->task_id, __entry->client_id, __entry->xid,
__entry->seqno, __entry->stage)
);
TRACE_EVENT(xprt_ping,
TP_PROTO(const struct rpc_xprt *xprt, int status),