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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2014-12-17 18:39:54 -0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2015-01-10 19:08:06 -0800 |
| commit | 7602de4af192b1527767538454557cb7564bae60 (patch) | |
| tree | 5cf90f1583d36360f104b80e8cde92f6cf16494f /kernel/rcu | |
| parent | d2f74b5b488dd2b283977f64844fee3ba91676db (diff) | |
| download | linux-7602de4af192b1527767538454557cb7564bae60.tar.gz linux-7602de4af192b1527767538454557cb7564bae60.tar.bz2 linux-7602de4af192b1527767538454557cb7564bae60.zip | |
rcutorture: Add more diagnostics in rcu_barrier() test failure case
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu')
| -rw-r--r-- | kernel/rcu/rcutorture.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index 24142c200901..30d42aa55d83 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -1427,6 +1427,9 @@ static int rcu_torture_barrier(void *arg) cur_ops->cb_barrier(); /* Implies smp_mb() for wait_event(). */ if (atomic_read(&barrier_cbs_invoked) != n_barrier_cbs) { n_rcu_torture_barrier_error++; + pr_err("barrier_cbs_invoked = %d, n_barrier_cbs = %d\n", + atomic_read(&barrier_cbs_invoked), + n_barrier_cbs); WARN_ON_ONCE(1); } n_barrier_successes++; |