[PATCH tip/core/rcu 4/7] rcu: RCU_TRACE enables event tracing as well as debugfs

From: Paul E. McKenney
Date: Mon Nov 14 2016 - 11:58:24 EST


From: Nikolay Borisov <kernel@xxxxxxxx>

The commit brings the RCU_TRACE Kconfig option's help text up to date
by noting that it enables additional event tracing as well as debugfs.

Signed-off-by: Nikolay Borisov <kernel@xxxxxxxx>
[ paulmck: Do some wordsmithing. ]
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
lib/Kconfig.debug | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 33bc56cf60d7..4a431f18f218 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1430,7 +1430,8 @@ config RCU_TRACE
select TRACE_CLOCK
help
This option provides tracing in RCU which presents stats
- in debugfs for debugging RCU implementation.
+ in debugfs for debugging RCU implementation. It also enables
+ additional tracepoints for ftrace-style event tracing.

Say Y here if you want to enable RCU tracing
Say N if you are unsure.
--
2.5.2