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Explore uprobe optimization techniques and override mechanisms in this 25-minute conference talk from the Linux Plumbers Conference. Examine the current state of uprobe optimizations, including what has been pushed and accepted into the kernel, and analyze remaining challenges related to backward compatibility with older kernels. Investigate the feasibility of continuing with further optimization efforts. Delve into uprobe override functionality, focusing on requests for eBPF to enable user space function override capabilities similar to kprobe override mechanisms. Review specific use cases driving these requests and evaluate various implementation options to determine the most effective approach for achieving user space function override through eBPF programs.
