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A library for creating heatmaps over time.
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Stormwind b30355b50f Add support for ascii output with various symbol amount 
The support for different chars in the output array was former
restricted to 10. But this is not necessary in the code. So I changed
that.
As example I've added the alphabet.
 		2015-12-08 11:49:08 +01:00
lib Add support for ascii output with various symbol amount 2015-12-08 11:49:08 +01:00
spec Fix some whitespaces and return at EOF 2015-10-22 12:11:16 +02:00
Gemfile Use new writing of "rmagick" 2015-10-22 12:28:12 +02:00
LICENSE Add license 2015-05-05 22:05:27 +02:00
README.md Add new readme file 2015-02-12 17:01:10 +01:00
Rakefile Create test infrastructure 2015-05-01 08:09:40 +02:00
rubella.gemspec Add gemspec 2015-05-05 22:40:48 +02:00

README.md

Rubella heatmap library

Rubella is a library to generate heatmaps to monitor visualize measured values easier. Like the load of multiple CPU cores over time.

Therefore every CPU core gets its own JSON array over the measured time. So the array gets it's own row in the headmap. The more the color itensity the higher is the load. (The values are in percent. So they must be beween 0 and 100.)

During the time you can see, if an unusual behavior occurs, because the image shows a different load distribution.

see also: http://dtrace.org/blogs/brendan/2011/12/18/visualizing-device-utilization/

Usage

Coming soon.