Messages in this thread | | | From | Stephen Hemminger <> | Subject | Re: [PATCH] net: add ability to clear stats via ethtool - e1000/pcnet32 | Date | Fri, 30 May 2008 19:41:13 -0700 |
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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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