Fedora now has frame pointers
Fedora now has frame pointers. I don’t want to dwell on the how of this, it was a somewhat controversial decision and you can read all about it here. But I do want to say a bit about the why, and how it makes performance analysis so much easier.
Recently we’ve been looking at a performance problem in qemu. To try to understand this I’ve been looking at FlameGraphs all day, like this one...