Explore the impacts of the Preempt-RT patch on Linux systems in this 31-minute conference talk by Maxime Chevallier from Smile. Delve into the performance improvements and deteriorations expected when using the Preempt-RT patch, based on real-life use cases. Examine the patch's effects on raw computing, network, and I/O performances, and gain insights into maintaining a BSP that utilizes the RT-Patch from a developer's perspective. Learn about simulation platforms, test benches, embedded products, and various tools for measuring system performance such as PerfTati, PIDstat, VMstat, and IPerfStress. Discover the intricacies of building a real-time operating system, including CPU idle states and devfs considerations. Gain valuable knowledge on optimizing and fine-tuning real-time capabilities in Linux systems.