Re: [RFC][PATCH 13/22] sched: add resource limits for -deadlinetasks

From: Peter Zijlstra
Date: Thu Nov 11 2010 - 14:58:04 EST


On Fri, 2010-10-29 at 08:37 +0200, Raistlin wrote:
> Add resource limits for non-root tasks in using the SCHED_DEADLINE
> policy, very similarly to what already exists for RT policies.
>
> In fact, this patch:
> - adds the resource limit RLIMIT_DLDLINE, which is the minimum value
> a user task can use as its own deadline;
> - adds the resource limit RLIMIT_DLRTIME, which is the maximum value
> a user task can use as it own runtime.
>
> Notice that to exploit these, a modified version of the ulimit
> utility and a modified resource.h header file are needed. They
> both will be available on the website of the project.

We might also want to add an additional !SYS_CAP_ADMIN global bandwidth
cap much like the existing sysctl bandwidth cap.


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