On Mon, 7 Nov 2016, Steven Rostedt wrote: > On Mon, 7 Nov 2016 13:30:15 -0600 (CST) > Christoph Lameter <c...@linux.com> wrote: > > > SCHED_RR tasks alternately running on on cpu can cause endless deferral of > > kworker threads. With the global effect of the OS processing reserved > > it may be the case that the processor we are executing never gets any > > time. And if that kworker threads role is releasing a mutex (like the > > cgroup_lock) then deadlocks can result. > > I believe SCHED_RR tasks will still throttle if they use up too much of > the CPU. But I still don't see how this patch helps your situation.
The kworker thread will be able to make progress? Or am I not reading this correctly?
