Messages in this thread | | | Date | Sat, 31 May 2008 00:47:03 -0400 | From | Bill Fink <> | Subject | Re: [PATCH] net: add ability to clear stats via ethtool - e1000/pcnet32 |
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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
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