Re: [PATCH 4/5] sched/isolation: Residual 1Hz scheduler tick offload

From: Christopher Lameter
Date: Tue Dec 19 2017 - 12:23:11 EST

On Tue, 19 Dec 2017, Frederic Weisbecker wrote:

> > The vmstat processing required per cpu area access. How does that work if
> > the code is running on a remote processor?
> It seems that current::sched_class::task_tick() is ok with this, as it
> uses per runqueues or per task datas. And both are passed as
> arguments.

So I guess no vmstat processing is required? vmstat does not use per task
data but per cpu data.