Re: [RFC][PATCH 02/22] sched: add extended scheduling interface

[Steven Rostedt]

On Fri, 2010-11-12 at 17:43 +0100, Peter Zijlstra wrote:
> 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.

I'm fine with that, but I would like to know if the ABI would be able to
add such an extension in the future if we find a convincing use-case.

-- Steve


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