On Thu, Feb 25, 2016 at 03:18:06PM +0100, Sebastian Andrzej Siewior wrote: > * Mathias Koehrer | 2016-01-15 12:15:28 [+0100]: > > >However, I noticed that most kernel threads use the affinity mask 0xff. > >I can change this by using ???taskset???. However, I am wondering if > >there is mechanism that forces the kernel to consider the value of > >???isolcpus??? also for kernel threads. > > not that I am aware of. There are a few per-CPU threads which have to > stay the way they are. I would have expected that others like kworker/u* > respect the isol CPUs and stay away. I suppose the higher level question to Mathias is: are you seeing these threads perturb your application? Or, are you just observing they are affinitized to isolcpus? Josh
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