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authorPaul E. McKenney <paul.mckenney@linaro.org>2011-12-07 16:32:40 -0800
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2011-12-11 10:32:22 -0800
commit4968c300e1fa5389fdf1f1ebd8b8e4aec9aa4a9e (patch)
tree3424a8c3d2543096acad7319ec57fa8f62813620 /Documentation
parent101db7b41d8d6c070278bca1f7bce814ecbf781d (diff)
rcu: Augment rcu_batch_end tracing for idle and callback state
The current rcu_batch_end event trace records only the name of the RCU flavor and the total number of callbacks that remain queued on the current CPU. This is insufficient for testing and tuning the new dyntick-idle RCU_FAST_NO_HZ code, so this commit adds idle state along with whether or not any of the callbacks that were ready to invoke at the beginning of rcu_do_batch() are still queued. Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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