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| author |   Paul E. McKenney <paulmck@linux.ibm.com> | 2018-10-03 11:02:05 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.ibm.com> | 2018-12-01 12:45:38 -0800 |
| commit | 8dd3b54689d9a2103c0817f2b7adc51760a45551 (patch) | |
| tree | f7b84f55663754e582999cf06175116e741d5ef5 | |
| parent | rcu: Print per-CPU callback counts for forward-progress failures (diff) | |
| download | wireguard-linux-8dd3b54689d9a2103c0817f2b7adc51760a45551.tar.xz wireguard-linux-8dd3b54689d9a2103c0817f2b7adc51760a45551.zip | |
rcutorture: Print GP age upon forward-progress failure
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Diffstat (limited to '')
| -rw-r--r-- | kernel/rcu/tree.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 90a67c75a447..f91631541965 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -2682,6 +2682,8 @@ void rcu_fwd_progress_check(unsigned long j) struct rcu_data *rdp; if (rcu_gp_in_progress()) { + pr_info("%s: GP age %lu jiffies\n", + __func__, jiffies - rcu_state.gp_start); show_rcu_gp_kthreads(); } else { preempt_disable(); |