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Date: Sun, 31 Dec 2006 15:24:00 -0000
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From: Mark Kettenis <mark.kettenis@xs4all.nl>
To: drow@false.org
CC: nickrob@snap.net.nz, eliz@gnu.org, gdb-patches@sourceware.org
In-reply-to: <20061231151527.GC16449@nevyn.them.org> (message from Daniel 	Jacobowitz on Sun, 31 Dec 2006 10:15:27 -0500)
Subject: Re: [PATCH] MI: new timing command
References: <17814.10139.269708.848818@kahikatea.snap.net.nz> <u8xgp2wnm.fsf@gnu.org> <17814.58031.865155.682869@kahikatea.snap.net.nz> <umz541yqg.fsf@gnu.org> <20061231042547.GA3236@nevyn.them.org> <17815.18190.987950.612053@kahikatea.snap.net.nz> <20061231054946.GA4873@nevyn.them.org> <17815.27092.497145.908734@kahikatea.snap.net.nz> <20061231151527.GC16449@nevyn.them.org>
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> 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.