From: Bill Fink <billfink@mindspring•com>
To: Stephen Hemminger <shemminger@linux-foundation•org>
Cc: netdev@vger•kernel.org, linux-kernel@vger•kernel.org
Subject: Re: [PATCH] net: add ability to clear stats via ethtool - e1000/pcnet32
Date: Sat, 31 May 2008 00:47:03 -0400 [thread overview]
Message-ID: <20080531004703.a081c18f.billfink@mindspring.com> (raw)
In-Reply-To: <20080530194113.25b77988@extreme>
On Fri, 30 May 2008, Stephen Hemminger wrote:
> 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.
Thanks for the pointer. I wasn't aware of ifstat (it's not installed
by default on any of my systems). I will check out ifstat and see what
it can do.
-Thanks
-Bill
next prev parent reply other threads:[~2008-05-31 4:47 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <482DA5B6.1020606@sngx.net>
2008-05-16 20:00 ` [PATCH updated] net: add ability to clear per-interface network statistics via procfs David Miller
2008-05-16 20:09 ` Rick Jones
2008-05-17 15:06 ` James Cammarata
[not found] ` <482DB46A.8020103@cosmosbay.com>
2008-05-16 20:03 ` David Miller
[not found] ` <482EF192.4070707@sngx.net>
2008-05-17 21:41 ` Eric Dumazet
2008-05-17 22:49 ` James Cammarata
2008-05-18 0:31 ` Ben Hutchings
2008-05-18 1:43 ` Patrick McHardy
2008-05-18 5:09 ` James Cammarata
2008-05-18 11:27 ` Ben Hutchings
2008-05-29 1:45 ` [PATCH] net: add ability to clear stats via ethtool - e1000/pcnet32 James Cammarata
2008-05-29 2:08 ` James Cammarata
2008-05-29 5:11 ` Andrew Morton
2008-05-29 12:34 ` James Cammarata
2008-05-29 14:45 ` Alan Cox
2008-05-29 17:15 ` James Cammarata
2008-05-29 20:50 ` David Miller
2008-05-29 21:18 ` James Cammarata
2008-05-30 19:12 ` Bill Fink
2008-05-30 22:14 ` Rick Jones
2008-05-31 1:09 ` Bill Fink
2008-05-31 2:41 ` Stephen Hemminger
2008-05-31 4:47 ` Bill Fink [this message]
2008-05-31 12:11 ` Alan Cox
2008-05-31 23:57 ` Bill Fink
2008-06-01 1:46 ` Ben Hutchings
2008-06-01 20:46 ` Bill Fink
2008-06-01 22:29 ` Ben Hutchings
2008-06-02 3:55 ` Bill Fink
2008-06-02 5:39 ` David Miller
2008-06-02 15:41 ` Bill Fink
2008-06-02 4:50 ` Glen Turner
2008-06-02 16:10 ` Bill Fink
2008-06-03 12:28 ` James Cammarata
2008-06-03 12:35 ` Ben Hutchings
2008-06-03 14:46 ` Alan Cox
2008-06-04 3:05 ` James Cammarata
2008-05-29 14:48 ` Chris Friesen
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