My raspberry pi is currently doing a data logging task so I've written a simple shell script to post some performance data to https://thingspeak.com/channels/10042 (you can get the script at https://gist.github.com/rw950431/8702588).
As you can see the data is mostly ever-increasing counters: what I'm wanting is a way to convert these values into a rate (packets/sec etc) for easy viewing. Does anyone know of a plugin or other method to easily achieve this?
Due to the deafening silence I've gone ahead and made my own. I used the Google Vis 'AnnotationChart' but it should be possible to switch to another chart type fairly easily.
See the result at https://thingspeak.com/channels/10042
Source at https://gist.github.com/rw950431/8815072
Useful docs at https://developers.google.com/chart/interactive/docs/gallery
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