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SubjectRe: [RFC 0/5] sched: Add CPU rate caps
On Friday 26 May 2006 14:20, Peter Williams wrote:
> These patches implement CPU usage rate limits for tasks.

Nice :)

> Although the rlimit mechanism already has a CPU usage limit (RLIMIT_CPU)
> it is a total usage limit and therefore (to my mind) not very useful.
> These patches provide an alternative whereby the (recent) average CPU
> usage rate of a task can be limited to a (per task) specified proportion
> of a single CPU's capacity. The limits are specified in parts per
> thousand and come in two varieties -- hard and soft.

Why 1000? I doubt that degree of accuracy is possible in cpu accounting and
accuracy or even required. To me it would seem to make more sense to just be
a percentage.

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