Re: Byte counters reset at ~4GB
From: Kris Kennaway (kris_at_obsecurity.org)
Date: 03/16/04
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Date: Mon, 15 Mar 2004 19:45:58 -0800 To: Marcel Moolenaar <marcel@xcllnt.net>
On Mon, Mar 15, 2004 at 06:23:37PM -0800, Marcel Moolenaar wrote:
> On Mon, Mar 15, 2004 at 04:05:44PM -0800, Kris Kennaway wrote:
> > >
> > > It seems that the byte counters (derived from netstat -nbi) reset at
> > > around 4 GB. Is there no way around this? It would be nice to be able to
> > > see an accurate display of totals. It just seems pointless to even have
> > > this, as 4 GB is just not that much anymore. I know this is a 32bit
> > > limitation of the variable, but that's just bad coding in my opinion (no
> > > offence intended), I mean there must be some way around this.
> >
> > I think in the past it's been pointed out changing to a 64-bit
> > variable would slow down the code on non-64-bit architectures like the
> > venerable i386.
>
> Is there a particular reason I don't know about as to why we cannot
> introduce a MD typedef for counters like this (or even just "long")?
> I mean, if people make the statement that widening counters is not an
> option because it slows down some platforms, I must be missing the
> reason for it to be an all or none kind of issue.
Brooks already mentioned that the counters are already longs, so this
is only an issue for 32-bit platforms (i.e. i386).
Kris
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