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SubjectRe: [PATCH] net: add ability to clear stats via ethtool - e1000/pcnet32
Date
On Fri, 30 May 2008 21:09:31 -0400
Bill Fink <billfink@mindspring.com> wrote:

> On Fri, 30 May 2008, Rick Jones wrote:
>
> > > Saving stats output and running beforeafter on a number of systems is
> > > a royal pain when troubleshooting.
> >
> > Well, with that ringing endorsement :) I would like to state that
> > Yoshihiro Ishijima has fixed some bugs in beforeafter and it will now
> > deal with /proc/interrupts output better than before.
> >
> > ftp://ftp.cup.hp.com/dist/networking/tools/
>
> Nothing against beforefter. It's a very useful tool, especially
> given Linux's lack of a method to clear interface counters. But
> it still is very cumbersome to use in the scenario I mentioned,
> having to save the stats before and after a test on each of several
> systems, and then having to run beforeafter on each of those systems.
> Then you need to do this all again for every test run. It's just
> not very efficient.
>
> I don't know why the major objection to adding a small amount of
> code to the kernel that would make life a lot easier for hundreds
> (or more) of Linux network adminstrators. And the snapshot/diff
> idea would not be complex to maintain and would also address the
> issue of some hardware not having a clear hw stats capability.
>
> -Bill

ifstat from iproute2 tools also keeps state to compute number
of packets since last update as well. Come on, it isn't that
hard.



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