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Commit 21e7a608 authored by Paul E. McKenney's avatar Paul E. McKenney Committed by Paul E. McKenney
Browse files

rcu: Add event tracing for no-CBs CPUs' callback registration 



Signed-off-by: default avatarPaul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent dae6e64d

kernel/rcutree_plugin.h

+7 −0
Original line number Diff line number Diff line
@@ -2285,6 +2285,13 @@ static bool __call_rcu_nocb(struct rcu_data *rdp, struct rcu_head *rhp, 
	if (!is_nocb_cpu(rdp->cpu))

		return 0;

	__call_rcu_nocb_enqueue(rdp, rhp, &rhp->next, 1, lazy);

	if (__is_kfree_rcu_offset((unsigned long)rhp->func))

		trace_rcu_kfree_callback(rdp->rsp->name, rhp,

					 (unsigned long)rhp->func,

					 rdp->qlen_lazy, rdp->qlen);

	else

		trace_rcu_callback(rdp->rsp->name, rhp,

				   rdp->qlen_lazy, rdp->qlen);

	return 1;

}