[DGD] alternate swapout pressure system

[Jared Maddox]

> Date: Mon, 23 Jul 2012 16:29:20 -0700
> From: Shentino <shentino at gmail.com>
> To: All about DGD and Hydra <dgd at dworkin.nl>
> Subject: Re: [DGD] alternate swapout pressure system
> Message-ID:
> 	<CAGDaZ_rezBC_YmnYth0DPnD80mTOC_8=McYm7-TzFHJWLwdmjg at mail.gmail.com>
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> I've persnally put thought into moving all the tests into dgd's main
> loop so that it could be the "boss" and decide what to do.
>
> For example, deferring swap rebuild and swapout to times when user I/O
> and/or callouts are not consuming CPU time.
>

A priority system could be used, but the priority weighting would
presumably require changes to the .dgd file.

Maybe physically locate the tests within a single function, but pass
that function a constant value to select which test to run? That could
be used to segregate all of the tests into a single location, while
easily controlling which one gets run with some carefully named
preprocessor defines.