Re: [RFC] Restrict kernel spawning of threads to a specified set ofcpus.

From: Christoph Lameter
Date: Tue Sep 10 2013 - 17:08:16 EST


On Tue, 10 Sep 2013, Gilad Ben-Yossef wrote:

> as little interference as possible, one needs to pass
> rcu_nocbs, isolcpus, nohz_full parameters and now kthread parameter,
> all pretty much with the same values
>
> I know some people won't like this, but can we perhaps fold all these
> into a single parameter, perhaps even the existing isolcpus?

I have made similar suggestions before. Maybe even autoconfigure the whole
thing? Dedicate the first processor on each numa node to high latency OS
tasksk and keep the rest as noisefree as possible?


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