Wander Lairson Costa is a Software Engineer at Red Hat, working on the Linux kernel with a focus on real-time systems, tracing, and scheduling. An active upstream contributor, he is passionate about building developer tooling that bridges the gap between complex kernel internals and everyday engineering workflows. Based in Brazil, he believes the best tools are the ones that make hard problems feel approachable.
Discover the design and implementation of the new BPF-based queue_track backend for stalld, which frees it from the fragile dependency on debugfs, making it safe to run on Secure Boot and locked-down systems. Learn how this modern, event-driven architecture built on BPF improves efficiency, reliability, and portability.
