Re: gkrellm eth0 chart

It would be a kludge, but how about this, conditionalized somehow on
the NIC type:

    if ticks % HZ == 0
        get sample from driver
        if sample == 0
            sample = lastsample
        lastsample = sample
        sample /= 2
        plot sample

or you could use a simple finite impulse response (moving average)
digital filter, which wouldn't even have to be conditionalized, at the
price of "fuzzing out" very brief spikes:

    if ticks % HZ == 0
        get sample from driver
        plot (sample + lastsample) / 2
        lastsample = sample

A much fancier approach would be to add a general digital filtering
capability to gkrellm.  I think that would be very cool (I kind of
miss the simple infinite impulse response (exponential-decay) filter
in xload) but obviously it's a much bigger effort, and it's not
entirely clear how to make it user-friendly.
-- 
    Geoff Kuenning   [email protected]   http://www.cs.hmc.edu/~geoff/

The most exciting phrase to hear in science, the one that heralds new
discoveries, is not "Eureka!" (I found it!) but "That's funny ..."
                -- Isaac Asimov

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