From d5988af53102f3b73e5e0788be024ccfa51869de Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Wed, 15 Jun 2011 23:07:55 -0700 Subject: [PATCH] rcu: Update documentation to flag RCU_BOOST trace information Call out the RCU_TRACE information that is provided only in kernels built with RCU_BOOST. Signed-off-by: Paul E. McKenney Signed-off-by: Paul E. McKenney --- Documentation/RCU/trace.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/RCU/trace.txt b/Documentation/RCU/trace.txt index 8173cec..a67af0a 100644 --- a/Documentation/RCU/trace.txt +++ b/Documentation/RCU/trace.txt @@ -184,10 +184,14 @@ o "kt" is the per-CPU kernel-thread state. The digit preceding The number after the final slash is the CPU that the kthread is actually running on. + This field is displayed only for CONFIG_RCU_BOOST kernels. + o "ktl" is the low-order 16 bits (in hexadecimal) of the count of the number of times that this CPU's per-CPU kthread has gone through its loop servicing invoke_rcu_cpu_kthread() requests. + This field is displayed only for CONFIG_RCU_BOOST kernels. + o "b" is the batch limit for this CPU. If more than this number of RCU callbacks is ready to invoke, then the remainder will be deferred. -- 2.7.4