From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: linux-kernel@vger.kernel.org
Cc: mingo@elte.hu, laijs@cn.fujitsu.com, dipankar@in.ibm.com,
akpm@linux-foundation.org, mathieu.desnoyers@polymtl.ca,
josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de,
peterz@infradead.org, rostedt@goodmis.org,
Valdis.Kletnieks@vt.edu, dhowells@redhat.com,
edumazet@google.com, darren@dvhart.com, fweisbec@gmail.com,
sbw@mit.edu, "Paul E. McKenney" <paul.mckenney@linaro.org>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: [PATCH tip/core/rcu 04/15] rcu: Add event tracing for no-CBs CPUs' callback registration
Date: Mon, 18 Mar 2013 14:36:39 -0700 [thread overview]
Message-ID: <1363642610-21390-4-git-send-email-paulmck@linux.vnet.ibm.com> (raw)
In-Reply-To: <1363642610-21390-1-git-send-email-paulmck@linux.vnet.ibm.com>
From: "Paul E. McKenney" <paul.mckenney@linaro.org>
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 90a1914..7225a5a 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;
}
--
1.8.1.5
next prev parent reply other threads:[~2013-03-18 21:41 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-18 21:36 [PATCH tip/core/rcu 0/15] v3 RCU idle/no-CB changes for 3.10 Paul E. McKenney
2013-03-18 21:36 ` [PATCH tip/core/rcu 01/15] rcu: Remove restrictions on no-CBs CPUs Paul E. McKenney
2013-03-18 21:36 ` [PATCH tip/core/rcu 02/15] rcu: Provide compile-time control for " Paul E. McKenney
2013-03-18 21:36 ` [PATCH tip/core/rcu 03/15] rcu: Introduce proper blocking to no-CBs kthreads GP waits Paul E. McKenney
2013-03-18 21:36 ` Paul E. McKenney [this message]
2013-03-18 21:36 ` [PATCH tip/core/rcu 05/15] rcu: Add event tracing for no-CBs CPUs' grace periods Paul E. McKenney
2013-03-18 21:36 ` [PATCH tip/core/rcu 06/15] rcu: Distinguish "rcuo" kthreads by RCU flavor Paul E. McKenney
2013-03-18 21:36 ` [PATCH tip/core/rcu 07/15] rcu: Export RCU_FAST_NO_HZ parameters to sysfs Paul E. McKenney
2013-03-18 21:36 ` [PATCH tip/core/rcu 08/15] rcu: Accelerate RCU callbacks at grace-period end Paul E. McKenney
2013-03-18 21:36 ` [PATCH tip/core/rcu 09/15] rcu: Make RCU_FAST_NO_HZ take advantage of numbered callbacks Paul E. McKenney
2013-03-18 21:36 ` [PATCH tip/core/rcu 10/15] rcu: Rearrange locking in rcu_start_gp() Paul E. McKenney
2013-03-18 21:36 ` [PATCH tip/core/rcu 11/15] rcu: Repurpose no-CBs event tracing to future-GP events Paul E. McKenney
2013-03-18 21:36 ` [PATCH tip/core/rcu 12/15] rcu: Push lock release to rcu_start_gp()'s callers Paul E. McKenney
2013-03-18 21:36 ` [PATCH tip/core/rcu 13/15] rcu: Rename n_nocb_gp_requests to need_future_gp Paul E. McKenney
2013-03-18 21:36 ` [PATCH tip/core/rcu 14/15] rcu: Abstract rcu_start_future_gp() from rcu_nocb_wait_gp() Paul E. McKenney
2013-03-18 21:36 ` [PATCH tip/core/rcu 15/15] rcu: Make rcu_accelerate_cbs() note need for future grace periods Paul E. McKenney
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