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| author | Paul E. McKenney <paulmck@linux.ibm.com> | 2019-05-16 16:15:16 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.ibm.com> | 2019-05-28 09:06:09 -0700 |
| commit | 34aa34b818407bd475786cf160f7838b7a485e87 (patch) | |
| tree | 754d109eb2eb9232989a52c608741ff08856c734 | |
| parent | b93c765fda30cadae6aafb9d32a30f9391dc0b41 (diff) | |
| download | linux-34aa34b818407bd475786cf160f7838b7a485e87.tar.gz linux-34aa34b818407bd475786cf160f7838b7a485e87.tar.bz2 linux-34aa34b818407bd475786cf160f7838b7a485e87.zip | |
rcutorture: Dump trace buffer for callback pipe drain failures
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
| -rw-r--r-- | kernel/rcu/rcutorture.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index 6b803fb2f7ca..89be0f492f78 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -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) |