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sunrpc: Add rpc_request static trace point

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Display information about the RPC procedure being requested in the
trace log. This sometimes critical information cannot always be
derived from other RPC trace entries.

Signed-off-by: Chuck Lever <[email protected]>
Signed-off-by: Anna Schumaker <[email protected]>
This commit is contained in:
Chuck Lever 2017-11-03 13:46:14 -04:00 • committed by Anna Schumaker
commit c435da68b6
2 changed files with 31 additions and 2 deletions
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3
net/sunrpc/clnt.c
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@ -1491,7 +1491,6 @@ rpc_restart_call(struct rpc_task *task)
}
EXPORT_SYMBOL_GPL(rpc_restart_call);
#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
const char
*rpc_proc_name(const struct rpc_task *task)
{
@ -1505,7 +1504,6 @@ const char
} else
return "no proc";
}
#endif
/*
* 0. Initial state
@ -1519,6 +1517,7 @@ call_start(struct rpc_task *task)
struct rpc_clnt *clnt = task->tk_client;
int idx = task->tk_msg.rpc_proc->p_statidx;
trace_rpc_request(task);
dprintk("RPC: %5u call_start %s%d proc %s (%s)\n", task->tk_pid,
clnt->cl_program->name, clnt->cl_vers,
rpc_proc_name(task),