Navigating in callgraph-tree is rather slow and unresponsive
When navigating in larger callgraphs using the keyboard, sysprof is rather slow and sluggish. On my laptop, which is rather ok-ish performance-wise (ryzen 5600u) just holding an up/down-arrow-key pressed is too much for sysprof - it stop's being responsive / repainting until it has processed all the generated keystrokes.
Profiling sysprof with sysprof shows a lot of cycles tickle into updating the tree:
Edited by Clemens Eisserer