Previously, I wrote about how to use Valgrind for debugging memory issues – and today, I’d like to go into how to use the tool for profiling. As I wrote before, Valgrind is an instrumentation framework that provides a collection of tools. For profiling, we’ll look at the Callgrind tool together a GUI application called KCachegrind. As a quick historical note, the predecessor to Callgrind is called Cachegrind, and was mostly for examining CPU cache usage – but Callgrind was developed o...
