From 21e7a6087480451804124cee27c0a7d0a7de1564 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" <paul.mckenney@linaro.org> Date: Sat, 9 Feb 2013 17:42:16 -0800 Subject: [PATCH] rcu: Add event tracing for no-CBs CPUs' callback registration Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> --- kernel/rcutree_plugin.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h index 90a1914525501..7225a5a14cef5 100644 --- a/kernel/rcutree_plugin.h +++ b/kernel/rcutree_plugin.h @@ -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; } -- GitLab