Re: RT sched: cpupri_vec lock contention with def_root_domain and no load balance

Dimitri Sivanich
2008-11-19T19:55:28Z

On Wed, Nov 19, 2008 at 11:49:36AM -0800, Max Krasnyansky wrote:
> I think the idea is that we want to make balancer a noop on those processors.

Ultimately, making the balancer a noop on processors with load balancing turned off would be the best solution.

> We could change cpusets code to create a root sched domain for each cpu I
> guess. But can we maybe scale cpupri some other way ?

It doesn't make sense to me that they'd have a root domain attached that spans more of the the system than that cpu.

>
> Max