The story of profiling There is something in Rust Analyzer that I would like to fix. This requires understanding its interaction with Chalk. To find the starting point I ran Rust Analyzer with Linux Perf to get the tree of calls represented in a Flame Graph. The Flame Graph was so big, that it was rendered in the browser for quite a few seconds. The hover events were delayed. Nothing happened when I tried to open a frame of the graph. Reading the text representation of the call trees was h...