I am too lazy now a days to re-post the blog post with all its assets and animations here. So until I get to it, I have put a link to it here. Enjoy :)
Originally published on polarsignals.com/blog on 28.03.2023
https://www.polarsignals.com/blog/posts/2023/03/28/how-to-read-icicle-and-flame-graphs