How to profile your own function calls in C? (instrument your code!)

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How do you instrument your function calls? Have you ever wondered how tools like gprof instrument code — how they profile your code, figure out how many times each function is called and how much time each function takes? This video will show you how you can instrument your own c programs, and inject code before and after function calls, using the -finstrument-functions compiler flag.

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Welcome! I post videos that help you learn to program and become a more confident software developer. I cover beginner-to-advanced systems topics ranging from network programming, threads, processes, operating systems, embedded systems and others. My goal is to help you get under-the-hood and better understand how computers work and how you can use them to become stronger students and more capable professional developers.
About me: I'm a computer scientist, electrical engineer, researcher, and teacher. I specialize in embedded systems, mobile computing, sensor networks, and the Internet of Things. I teach systems and networking courses at Clemson University, where I also lead the PERSIST research lab.

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Видео How to profile your own function calls in C? (instrument your code!) канала Jacob Sorber