Commit abf8af78 authored by Chuck Lever's avatar Chuck Lever Committed by Anna Schumaker
Browse files

SUNRPC: Capture signalled RPC tasks 



Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
parent 6ed2144a

include/trace/events/sunrpc.h

+1 −0
Original line number Diff line number Diff line
@@ -185,6 +185,7 @@ DECLARE_EVENT_CLASS(rpc_task_running, 
DEFINE_RPC_RUNNING_EVENT(begin);

DEFINE_RPC_RUNNING_EVENT(run_action);

DEFINE_RPC_RUNNING_EVENT(complete);

DEFINE_RPC_RUNNING_EVENT(signalled);

DEFINE_RPC_RUNNING_EVENT(end);



DECLARE_EVENT_CLASS(rpc_task_queued,

net/sunrpc/sched.c

+3 −1
Original line number Diff line number Diff line
@@ -846,6 +846,8 @@ void rpc_signal_task(struct rpc_task *task) 


	if (!RPC_IS_ACTIVATED(task))

		return;



	trace_rpc_task_signalled(task, task->tk_action);

	set_bit(RPC_TASK_SIGNALLED, &task->tk_runstate);

	smp_mb__after_atomic();

	queue = READ_ONCE(task->tk_waitqueue);
@@ -949,7 +951,7 @@ static void __rpc_execute(struct rpc_task *task) 
			 * clean up after sleeping on some queue, we don't

			 * break the loop here, but go around once more.

			 */

			dprintk("RPC: %5u got signal\n", task->tk_pid);

			trace_rpc_task_signalled(task, task->tk_action);

			set_bit(RPC_TASK_SIGNALLED, &task->tk_runstate);

			task->tk_rpc_status = -ERESTARTSYS;

			rpc_exit(task, -ERESTARTSYS);