Messages in this thread Patch in this message | | | From | "Paul E. McKenney" <> | Subject | [PATCH tip/core/rcu 12/12] rcutorture: Add more diagnostics in rcu_barrier() test failure case | Date | Wed, 7 Jan 2015 10:19:38 -0800 |
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From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> --- kernel/rcu/rcutorture.c | 3 +++ 1 file changed, 3 insertions(+)
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++; -- 1.8.1.5
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