Re: v2.6.21.4-rt11

From: Ingo Molnar
Date: Mon Jun 11 2007 - 03:37:20 EST

* Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> wrote:

> boots on 4-CPU Opteron and passes several hours of
> rcutorture. However, if I simply do "modprobe rcutorture", the kernel
> threads do not spread across the CPUs as I would expect them to, even
> given CFS. Instead, the readers all stack up on a single CPU, and I
> have to use the "taskset" command to spread them out manually. Is
> there some config parameter I am missing out on?

hm, what affinity do they start out with? Could they all be pinned to
CPU#0 by default?

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