At Uber, back-end service efficiency directly influences operational costs and user experience. In March 2024 alone, the top 10 Go services accounted for more than multi-million dollars in compute spend alone —an unsustainable amount that underscored the need for systematic performance tuning. Traditionally, optimizing Go services has required deep expertise and significant manual effort. Profiling, benchmarking, and analyzing code could take days or even weeks. Performance tuning is prohib...