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rcu: make rcutorture version numbers available through debugfs

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It is not possible to accurately correlate rcutorture output with that
of debugfs.  This patch therefore adds a debugfs file that prints out
the rcutorture version number, permitting easy correlation.

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>
This commit is contained in:
Paul E. McKenney
2011-04-03 21:33:51 -07:00
committed by Paul E. McKenney
parent d71df90ead
commit 4a29865689
5 changed files with 85 additions and 4 deletions
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3
include/linux/rcutree.h
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@ -58,9 +58,12 @@ static inline void synchronize_rcu_bh_expedited(void)
extern void rcu_barrier(void);
extern unsigned long rcutorture_testseq;
extern unsigned long rcutorture_vernum;
extern long rcu_batches_completed(void);
extern long rcu_batches_completed_bh(void);
extern long rcu_batches_completed_sched(void);
extern void rcu_force_quiescent_state(void);
extern void rcu_bh_force_quiescent_state(void);
extern void rcu_sched_force_quiescent_state(void);