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Itch output load on the CPU and memory. I wanted to detail, so to speak. Looking at pie charts noticed that most of the time they are 10-15%. And the most interesting things happen in a very small scale and the indistinguishable. Realizing that the need to cut off the picture is not informative part and zoom in, proceeded to ... first adapted, and then to a complete rewrite of lua scripts conky.

After several days of mooing with trigonometry and affine transformations, the first prototype made comprehensible picture:

Half of the left - this pie chart on the CPU, and the right - from memory.
The meaning of all this can be seen below:

All together it was like this:

For the most attentive:

Text - the output of top, top_mem, top_io. Diagrams - subj, and the graph in the middle - the HDD IO.
And at the very bottom, a very different conky with another goal.

And this picture in a summary:

.conkyrc.rings.example, lua script.