rcutorture: Add more diagnostics in rcu_barrier() test failure case
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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@ -1427,6 +1427,9 @@ static int rcu_torture_barrier(void *arg)
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cur_ops->cb_barrier(); /* Implies smp_mb() for wait_event(). */
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if (atomic_read(&barrier_cbs_invoked) != n_barrier_cbs) {
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n_rcu_torture_barrier_error++;
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pr_err("barrier_cbs_invoked = %d, n_barrier_cbs = %d\n",
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atomic_read(&barrier_cbs_invoked),
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n_barrier_cbs);
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WARN_ON_ONCE(1);
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}
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n_barrier_successes++;
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