tree 7f3686eb64c9ee3a239e5920df588c70837c5637
parent 045fb9315a2129023d70a0eecf0942e18fca4fcd
author Paul E. McKenney <paul.mckenney@linaro.org> 1322002683 -0800
committer Paul E. McKenney <paulmck@linux.vnet.ibm.com> 1323628320 -0800

rcu: Add tracing for RCU_FAST_NO_HZ

This commit adds trace_rcu_prep_idle(), which is invoked from
rcu_prepare_for_idle() and rcu_wake_cpu() to trace attempts on
the part of RCU to force CPUs into dyntick-idle mode.

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>