Kernel Function Tracing in the Face of Compiler Optimization

Explore kernel function tracing challenges posed by compiler optimizations in this 59-minute conference talk from the Linux Plumbers Conference. Delve into the intricacies of maintaining accurate function tracing capabilities while dealing with aggressive compiler optimizations in kernel development. Learn about the strategies and techniques employed to ensure reliable tracing results, even as compilers become increasingly sophisticated in their optimization approaches. Gain insights from speakers SONG Yonghong and MAGUIRE Alan as they discuss the evolving landscape of kernel function tracing and the ongoing efforts to balance performance improvements with debugging capabilities in the Linux kernel.