Re: [RFC PATCH 2/5] sched: Add NOHZ_STATS_KICK

[Vincent Guittot]

On 22 December 2017 at 08:59, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> On Thu, Dec 21, 2017 at 05:56:32PM +0100, Vincent Guittot wrote:
>> In fact, we can't only rely on the tick and newly_idle load balance to
>> ensure a period update of the blocked load because they can never
>> happen.
>
> I'm confused, why would the ilb not happen?

the ilb will be kick only if tick fires which might not be the case
for task that runs less than a tick