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| author | Paul E. McKenney <paul.mckenney@linaro.org> | 2011-04-04 06:33:51 +0200 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2011-05-06 08:16:56 +0200 |
| commit | 4a29865689dbb87a02e3b0fff4a4ae5041273173 (patch) | |
| tree | 72c9f1641a9fb05e3ae4d8cc068f62f9c566bae9 /include | |
| parent | rcu: add tracing for RCU's kthread run states. (diff) | |
| download | linux-4a29865689dbb87a02e3b0fff4a4ae5041273173.tar.xz linux-4a29865689dbb87a02e3b0fff4a4ae5041273173.zip | |
rcu: make rcutorture version numbers available through debugfs
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/rcupdate.h | 13 | ||||
| -rw-r--r-- | include/linux/rcutree.h | 3 |
2 files changed, 15 insertions, 1 deletions
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index ff422d2b7f90..9e169c2ba91f 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -47,6 +47,18 @@ extern int rcutorture_runnable; /* for sysctl */ #endif /* #ifdef CONFIG_RCU_TORTURE_TEST */ +#if defined(CONFIG_TREE_RCU) || defined(CONFIG_TREE_PREEMPT_RCU) +extern void rcutorture_record_test_transition(void); +extern void rcutorture_record_progress(unsigned long vernum); +#else +static inline void rcutorture_record_test_transition(void) +{ +} +static inline void rcutorture_record_progress(unsigned long vernum) +{ +} +#endif + #define UINT_CMP_GE(a, b) (UINT_MAX / 2 >= (a) - (b)) #define UINT_CMP_LT(a, b) (UINT_MAX / 2 < (a) - (b)) #define ULONG_CMP_GE(a, b) (ULONG_MAX / 2 >= (a) - (b)) @@ -68,7 +80,6 @@ extern void call_rcu_sched(struct rcu_head *head, extern void synchronize_sched(void); extern void rcu_barrier_bh(void); extern void rcu_barrier_sched(void); -extern int sched_expedited_torture_stats(char *page); static inline void __rcu_read_lock_bh(void) { diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h index 3a933482734a..284dad10c55b 100644 --- a/include/linux/rcutree.h +++ b/include/linux/rcutree.h @@ -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); |