How to debug memory leaks in a Yocto C++ project?

I'm new to yocto and I'm working on a big yocto project with around 3500 recipe files.I wanted to investigate memory leaks in some of the packages that are written in C++ but I don't know how to start it.What are tools I can use to debug memory leaks? I know malloc debug tools is there but I'm not sure how to use it and integrate it with my project.Can someone help in getting started with this.