Re: Question about sched_setaffinity()
From: Paul E. McKenney
Date: Sat May 11 2019 - 20:40:57 EST
On Sat, May 11, 2019 at 11:45:20PM +0200, Andrea Parri wrote:
> > > The below trace explain the issue. Some Paul person did it, see below.
> > > It's broken per construction :-)
> > *facepalm* Hence the very strange ->cpus_allowed mask. I really
> > should have figured that one out.
> > The fix is straightforward. I just added "rcutorture.shuffle_interval=0"
> > to the TRIVIAL.boot file, which stops rcutorture from shuffling its
> > kthreads around.
> I added the option to the file and I didn't reproduce the issue.
Thank you! May I add your Tested-by?
> > Please accept my apologies for the hassle, and thank you for tracking
> > this down!!!
> Peter (echoing Paul): Thank you for pointing that shuffler out!