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rcutorture: Dump trace buffer for callback pipe drain failures

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Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
This commit is contained in:
Paul E. McKenney 2019-05-16 16:15:16 -07:00
parent b93c765fda
commit 34aa34b818
1 changed files with 3 additions and 1 deletions
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4
kernel/rcu/rcutorture.c
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@ -1060,8 +1060,10 @@ rcu_torture_writer(void *arg)
for (i = 0; i < ARRAY_SIZE(rcu_tortures); i++)
if (list_empty(&rcu_tortures[i].rtort_free) &&
rcu_access_pointer(rcu_torture_current) !=
&rcu_tortures[i])
&rcu_tortures[i]) {
rcu_ftrace_dump(DUMP_ALL);
WARN(1, "%s: rtort_pipe_count: %d\n", __func__, rcu_tortures[i].rtort_pipe_count);
}
} while (!torture_must_stop());
/* Reset expediting back to unexpedited. */
if (expediting > 0)