Re: [PATCH] MI: new timing command

Mark Kettenis
2006-12-31T15:24:57Z

> Date: Sun, 31 Dec 2006 10:15:27 -0500
> From: Daniel Jacobowitz <drow@false.org>
>
> On Sun, Dec 31, 2006 at 08:42:12PM +1300, Nick Roberts wrote:
> > Daniel Jacobowitz writes:
> > > In that case you can copy the necessary guards from that file.
> > > However, it does more than just getrusage - it also supports
> > > platforms with times() but without getrusage, which IIRC includes
> > > Windows, so it might be better to use it.
> >
> > But as a last resort it returns elapsed time which would be wrong.
>
> You keep saying this but I don't see why. Why is it wrong? On every
> platform where we can do it, we'll print usage; on platforms where we
> can't do it, the odds are pretty good that the OS isn't aggressively
> scheduling other tasks in while we're running, so wall time is pretty
> close to right.

I agree completely.