Re: Real-time scheduling policies and hyper-threading

[Peter Zijlstra]

On Fri, Apr 25, 2014 at 07:02:16PM +0400, Roman Gushchin wrote:
> Hm. What I really want (and try to implement), is 
> "work as if ht is disabled if there are free physical cores, start using ht siblings otherwise".

At which point I have to ask, what about the rest of the topology?

Also, how is a task to know if its the 16th or 17th and thus should
expect worse latency?

> It's a 32-thread processor with 16 physical cores.

No NUMA? I'm not aware of single node systems with 16 cores.
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