Re: [RFC 4/4] Documentation/scheduler/sched-deadline.txt: add some references

From: Henrik Austad
Date: Thu Apr 09 2015 - 06:14:11 EST


On Thu, Apr 09, 2015 at 12:11:25PM +0200, Peter Zijlstra wrote:
> On Thu, Apr 09, 2015 at 12:08:36PM +0200, Luca Abeni wrote:
> > On 04/09/2015 11:44 AM, Peter Zijlstra wrote:
> > >On Thu, Apr 09, 2015 at 11:39:08AM +0200, Henrik Austad wrote:
> > >>>+ CPUs, with the first M - 1 tasks having a small worst case execution time
> > >>>+ WCET_i=e and period equal to relative deadline P_i=D_i=P-1. The last task
> > >>
> > >>Normally, 'e' is used to denote an _arbitrarily_ small value, and I suspect
> > >>that this is indeed the case here as well (you're going to describe
> > >>Dhall's effect, right?). Perhaps make that point explicit?
> > >>
> > >> T_i = {P_i, e, P_i}
> > >
> > >We're talking about \epsilon here, right?
> > Right. I used "e" to make the thing more readable in a simple text document.
> >
> > >Is it customary to use a regular 'e' in CS literature for that?
> > I do not know... I just wanted to use one single character, and to avoid the "\"
> > (which only makes sense to people using latex :)
> >
> > But if you want I can use "epsilon" or "\epsilon"... Let me know
>
> I'm fine either way, its just my math/physics brain piping up.

I'd vote for 'e' then (just to mess with peterz' brain and avoid some
confusing \'s).

--
Henrik Austad
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