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rcutorture: Export RCU grace-period kthread wait state to rcutorture

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This commit allows rcutorture to print additional state for the
RCU grace-period kthreads in cases where RCU seems reluctant to
start a new grace period.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This commit is contained in:
Paul E. McKenney 2014-03-12 07:10:41 -07:00
parent 945fa9c631
commit afea227fd4
5 changed files with 30 additions and 1 deletions
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1
include/linux/rcutree.h
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@ -84,6 +84,7 @@ extern unsigned long rcutorture_vernum;
long rcu_batches_completed(void);
long rcu_batches_completed_bh(void);
long rcu_batches_completed_sched(void);
void show_rcu_gp_kthreads(void);
void rcu_force_quiescent_state(void);
void rcu_bh_force_quiescent_state(void);