Re: periods and deadlines in SCHED_DEADLINE

From: Peter Zijlstra
Date: Wed Aug 04 2010 - 03:14:34 EST


On Tue, 2010-08-03 at 23:52 -0400, Andrea Bastoni wrote:
> Instead, if you want to use the cpuset + affinity to define possibly _overlapping_ clusters (or
> containers, or servers) to support different budgets on each CPU (something similar to cgroup,
> see [1,3]), forcing only two configuration (single cpu/full cluster) may be restrictive.

cpusets doesn't allow overlapping load-balance domains as it stands
today. In that case it would end up being a single large domain.

With cpu affinity we can of course create whatever we want, hence my
suggestion to limit allowed affinity masks to 1 cpu or the full
load-balance domain.
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