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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2012-11-28 04:55:44 +0400
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2013-01-09 02:15:57 +0400
commit6d4b418c75a74eea1dd3701e106a9da8c335c451 (patch)
tree7ca38828ff65ade20dbe9390ae2749a6bec7a308 /include/trace/events/rcu.h
parentdc35c8934eba959b690921615fcd987e8bc17e4a (diff)
downloadlinux-6d4b418c75a74eea1dd3701e106a9da8c335c451.tar.xz
rcu: Trace callback acceleration
This commit adds event tracing for callback acceleration to allow better tracking of callbacks through the system. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'include/trace/events/rcu.h')
-rw-r--r--include/trace/events/rcu.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h
index d4f559b1ec34..5678114073b5 100644
--- a/include/trace/events/rcu.h
+++ b/include/trace/events/rcu.h
@@ -44,8 +44,10 @@ TRACE_EVENT(rcu_utilization,
* of a new grace period or the end of an old grace period ("cpustart"
* and "cpuend", respectively), a CPU passing through a quiescent
* state ("cpuqs"), a CPU coming online or going offline ("cpuonl"
- * and "cpuofl", respectively), and a CPU being kicked for being too
- * long in dyntick-idle mode ("kick").
+ * and "cpuofl", respectively), a CPU being kicked for being too
+ * long in dyntick-idle mode ("kick"), a CPU accelerating its new
+ * callbacks to RCU_NEXT_READY_TAIL ("AccReadyCB"), and a CPU
+ * accelerating its new callbacks to RCU_WAIT_TAIL ("AccWaitCB").
*/
TRACE_EVENT(rcu_grace_period,