rcu: add tracing for RCU's kthread run states.
authorPaul E. McKenney <paul.mckenney@linaro.org>
Wed, 30 Mar 2011 00:48:28 +0000 (17:48 -0700)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Fri, 6 May 2011 06:16:56 +0000 (23:16 -0700)
commitd71df90eadfc35aa549ff9a850842673febca71f
treedd275a3f4848784bc6625574341c11befc1b3823
parent0ac3d136b2e3cdf1161178223bc5da14a06241d0
rcu: add tracing for RCU's kthread run states.

Add tracing to help debugging situations when RCU's kthreads are not
running but are supposed to be.

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
kernel/rcutree.c
kernel/rcutree.h
kernel/rcutree_plugin.h
kernel/rcutree_trace.c