Re: How to fix the net graphs

In my setups the machines having the issue use the Intel(R) PRO/1000 Gigabit 
Ethernet support driver.

So that will be where i have to edit the source.
Anyone has done this before and can tell me where to look?

On Tuesday 17 February 2009 18:25:03 Bill Wilson wrote:
> On Tue, 17 Feb 2009 14:23:48 +0100
>
> Mathijs Krullaars <[email protected]> wrote:
> > I have multiple gkrellmd running on different servers, some display the
> > net graphs right, others do the twice the amount - 0 thing.
> >
> > I have the idea lots of users have this but no solution can be found when
> > googling intensively.
> >
> > Is it so that the kernel on this machines does update /proc/net only once
> > in 2 seconds?
> > What option in the kernel causes this / can fix this?
> >
> > When someone knows any solution to this problem, please reply.
> > I will post the info on multiple places afterwards
>
> Yes, it's that the kernel driver code for some net interface cards updates
> its internal counters only once per 2 seconds and there is no kernel option
> to fix this.  You would have to edit the kernel source and compile a custom
> kernel to change the update rate to at least once per second.
>
> See:
>     http://article.gmane.org/gmane.comp.gnome.apps.gkrellm/986
>     http://lkml.indiana.edu/hypermail/linux/kernel/0308.0/0329.html
>
> Bill
>
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