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Subject: Re: [RFC][PATCH 02/22] sched: add extended scheduling interface
From: Peter Zijlstra <peterz@infradead.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Raistlin <raistlin@linux.it>, Ingo Molnar <mingo@elte.hu>,
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Date: Fri, 12 Nov 2010 17:43:42 +0100
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On Fri, 2010-11-12 at 11:38 -0500, Steven Rostedt wrote:
> A while ago I implemented an EDF scheduler for a client (before working
> with Red Hat), and one thing they asked about was having a "soft group",
> which was basically: This group is guaranteed X runtime in Y period, but
> if the system is idle, let the group run, even if it has exhausted its X
> runtime.
> 
> Is this supported? 

No, some of the bits in 18/22 come near, but I'd prefer not to add such
things until we've got a convincing use-case.