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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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12
include/trace/events/rpcrdma.h
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@@ -521,12 +521,18 @@ TRACE_EVENT(xprtrdma_post_send,
TP_STRUCT__entry(
__field(const void *, req)
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(int, num_sge)
__field(int, signaled)
__field(int, status)
),
TP_fast_assign(
const struct rpc_rqst *rqst = &req->rl_slot;
__entry->task_id = rqst->rq_task->tk_pid;
__entry->client_id = rqst->rq_task->tk_client->cl_clid;
__entry->req = req;
__entry->num_sge = req->rl_sendctx->sc_wr.num_sge;
__entry->signaled = req->rl_sendctx->sc_wr.send_flags &
@@ -534,9 +540,11 @@ TRACE_EVENT(xprtrdma_post_send,
__entry->status = status;
),
TP_printk("req=%p, %d SGEs%s, status=%d",
TP_printk("task:%u@%u req=%p (%d SGE%s) %sstatus=%d",
__entry->task_id, __entry->client_id,
__entry->req, __entry->num_sge,
(__entry->signaled ? ", signaled" : ""),
(__entry->num_sge == 1 ? "" : "s"),
(__entry->signaled ? "signaled " : ""),
__entry->status
)
);