rcu: Add boosting to TREE_PREEMPT_RCU tracing
authorPaul E. McKenney <paul.mckenney@linaro.org>
Tue, 22 Feb 2011 21:42:43 +0000 (13:42 -0800)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Fri, 6 May 2011 06:16:55 +0000 (23:16 -0700)
commit0ea1f2ebeb217d38770aebf91c4ecaa8e01b3305
treeef558d2eb804ca033a5166d24f5b4be7cf87727f
parent67b98dba474f293c389fc2b7254dcf7c0492e3bd
rcu: Add boosting to TREE_PREEMPT_RCU tracing

Includes total number of tasks boosted, number boosted on behalf of each
of normal and expedited grace periods, and statistics on attempts to
initiate boosting that failed for various reasons.

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.h
kernel/rcutree_plugin.h
kernel/rcutree_trace.c