[Flent-users] [tohojo/flent] packet loss stats (#106)

Pete Heist notifications at github.com
Mon Nov 20 15:51:15 EET 2017


> On Nov 20, 2017, at 2:21 PM, Toke Høiland-Jørgensen <notifications at github.com> wrote:
> 
> Pete Heist <notifications at github.com> writes:
> 
> >> On Nov 20, 2017, at 1:11 PM, Toke Høiland-Jørgensen <notifications at github.com> wrote:
> 
> > I wondered if/when this would come up… Why not plot the latency every
> > 20ms, too dense?
> 
> For the current plot type (where data points are connected by lines),
> certainly. It would probably be possible to plot denser data sets by a
> point cloud type plot, but that would make denser data series harder to
> read.

Yeah, thought of the same, or some area fill between min and max, or 98th percentile values, or something.

> Hmm, seeing as we probably want to keep all the data points in the Flent
> data file anyway, I think we might as well do the sub-sampling in Flent.
> Just thinning the plots is a few lines of numpy code; just need to
> figure out a good place to apply it.

Didn’t think of that (keeping all data points anyway), but it really makes more sense. At first I thought numpy was a new street-talkin’ adjective (as in, that’s some really numpy code). I see: NumPy. :)

> Handling loss is another matter, but one that I need to deal with
> anyway. Right now I'm just throwing away lost data points entirely,
> which loses the lost_{up,down} information. Will fix that and also
> figure out the right way to indicate losses.

Really looking forward to it!

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