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rcutorture: Print GP age upon forward-progress failure

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Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
This commit is contained in:
Paul E. McKenney 2018-10-03 11:02:05 -07:00
parent bfcfcffc5f
commit 8dd3b54689
1 changed files with 2 additions and 0 deletions
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2
kernel/rcu/tree.c
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@ -2682,6 +2682,8 @@ void rcu_fwd_progress_check(unsigned long j)
struct rcu_data *rdp; struct rcu_data *rdp;
if (rcu_gp_in_progress()) { if (rcu_gp_in_progress()) {
pr_info("%s: GP age %lu jiffies\n",
__func__, jiffies - rcu_state.gp_start);
show_rcu_gp_kthreads(); show_rcu_gp_kthreads();
} else { } else {
preempt_disable(); preempt_disable();