Re: INFO: rcu_sched self-detected stall on CPU

[Steven Rostedt]

On Wed, 4 Jan 2017 05:46:08 -0800
"Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx> wrote:

> I suggest enabling tracing for timers with a goal of working out why
> the rcu_sched task is not being awakened regularly -- during a grace
> period, it should be awakened every three jiffies or so (depending on
> the value of HZ).

Perhaps enable events for rcu, sched and irqs as well?

-- Steve