Ivan Voras wrote:

quoted text
> Kris Kennaway wrote:

>> Erik Cederstrand wrote:

>>> Ivan Voras wrote:

>>>> I have a suggestion to make the graphs more readable: if a long

>>>> period was chosen by the user (e.g. > 100 days / plot points), don't

>>>> plot points and error bars, plot a simple line through the points.

>>>> Also, set all date strings on the X-axis to empty strings except for

>>>> the dates on 1/10ths of the interval.

>>> Noted. Thanks.

>> Actually the error bars are quite important to see what is going on.

>> Some of the metrics are very (too) noisy and if you only look at the

>> data points they sometimes appear to have a signal when they don't.

>> Ultimately that just means more data points should be taken per run for

>> those metrics, but the error bars are the signal for this.

>

> Of course they are useful, but do we really need to see them when there

> are hundreds of samples plotted 1 pixel apart? (As I've said: keep them

> when when the user "zooms in" on an appropriate small number of

> samples). But this is an aesthetics-oriented idea, functionality won't

> be impaired either way so feel free to ignore it.

I think so, yeah.  Otherwise I'd waste time zooming in only to find the

trends are measurement noise.
Kris
_______________________________________________

freebsd-performance@freebsd.org mailing list

http://lists.freebsd.org/mailman/listinfo/freebsd-performance

To unsubscribe, send any mail to "freebsd-performance-unsubscribe@freebsd.org"