Re: [RFC PATCH 12/12] rcu: Nocb (de)activate through sysfs
From: Frederic Weisbecker
Date: Wed Sep 23 2020 - 11:27:51 EST
On Mon, Sep 21, 2020 at 05:26:29PM -0700, Paul E. McKenney wrote:
> On Mon, Sep 21, 2020 at 02:43:51PM +0200, Frederic Weisbecker wrote:
> > Not for merge.
> > Make nocb toggable for a given CPU using:
> > /sys/devices/system/cpu/cpu*/hotplug/nocb
> > This is only intended for those who want to test this patchset. The real
> > interfaces will be cpuset/isolation and rcutorture.
> Excellent choice for testing in the near term!
> How does rcutorture fare with this series if an additional kthread toggles
> offloading on and off continually?
So yeah that would be the plan: having something that randomly toggles
offloading from the RCU tests themselves. I'm not quite familiar with
rcutorture internals yet though.
> All questions and concerns aside, excellent progress and nice work!!!
Thanks! We are slowly making progress :)