On Linux Qt, Creator integrates with Valgrind's memcheck, which, alas, isn't available on Windows, so we have to look for other tools. Before we jump into dedicated tools, however, let's first have a look at Windows system tools.
Investigating memory usage
Poor man's memory profiling
Unexpectedly, sometimes, much can be done just by using the old and trusty Process Explorer tool we introduced in the Widows system tools section earlier in this chapter. Let's discuss this with a real-life example.
In a project for one of my customers, there was a Qt application that suffered from timeouts when fetching frames from a camera. This is arguably a performance problem, so I started an investigation. As a first...